WO2017119443A1 - ポリカルボジイミド組成物、ポリカルボジイミド組成物の製造方法、水分散組成物、溶液組成物、樹脂組成物および樹脂硬化物 - Google Patents
ポリカルボジイミド組成物、ポリカルボジイミド組成物の製造方法、水分散組成物、溶液組成物、樹脂組成物および樹脂硬化物 Download PDFInfo
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- WO2017119443A1 WO2017119443A1 PCT/JP2017/000121 JP2017000121W WO2017119443A1 WO 2017119443 A1 WO2017119443 A1 WO 2017119443A1 JP 2017000121 W JP2017000121 W JP 2017000121W WO 2017119443 A1 WO2017119443 A1 WO 2017119443A1
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- composition
- polycarbodiimide composition
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- polycarbodiimide
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- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
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- REQGZFHZCGWAQN-UHFFFAOYSA-N non-7-ene-1,6-diol Chemical compound CC=CC(CCCCCO)O REQGZFHZCGWAQN-UHFFFAOYSA-N 0.000 description 1
- VJQGGZWPOMJLTP-UHFFFAOYSA-N octadecane-1,1-diol Chemical compound CCCCCCCCCCCCCCCCCC(O)O VJQGGZWPOMJLTP-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 229940055577 oleyl alcohol Drugs 0.000 description 1
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 125000005702 oxyalkylene group Chemical group 0.000 description 1
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- 238000004806 packaging method and process Methods 0.000 description 1
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- 239000002245 particle Substances 0.000 description 1
- OXQKEKGBFMQTML-BIVRFLNRSA-N perseitol Chemical compound OC[C@H](O)[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO OXQKEKGBFMQTML-BIVRFLNRSA-N 0.000 description 1
- DLRJIFUOBPOJNS-UHFFFAOYSA-N phenetole Chemical compound CCOC1=CC=CC=C1 DLRJIFUOBPOJNS-UHFFFAOYSA-N 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 229920003009 polyurethane dispersion Polymers 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- RLEFZEWKMQQZOA-UHFFFAOYSA-M potassium;octanoate Chemical compound [K+].CCCCCCCC([O-])=O RLEFZEWKMQQZOA-UHFFFAOYSA-M 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 238000001028 reflection method Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- CDAISMWEOUEBRE-UHFFFAOYSA-N scyllo-inosotol Natural products OC1C(O)C(O)C(O)C(O)C1O CDAISMWEOUEBRE-UHFFFAOYSA-N 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- LMYRWZFENFIFIT-UHFFFAOYSA-N toluene-4-sulfonamide Chemical compound CC1=CC=C(S(N)(=O)=O)C=C1 LMYRWZFENFIFIT-UHFFFAOYSA-N 0.000 description 1
- YJGJRYWNNHUESM-UHFFFAOYSA-J triacetyloxystannyl acetate Chemical compound [Sn+4].CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O YJGJRYWNNHUESM-UHFFFAOYSA-J 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- FIQMHBFVRAXMOP-UHFFFAOYSA-N triphenylphosphane oxide Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)(=O)C1=CC=CC=C1 FIQMHBFVRAXMOP-UHFFFAOYSA-N 0.000 description 1
- PEXOFOFLXOCMDX-UHFFFAOYSA-N tritridecyl phosphite Chemical compound CCCCCCCCCCCCCOP(OCCCCCCCCCCCCC)OCCCCCCCCCCCCC PEXOFOFLXOCMDX-UHFFFAOYSA-N 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
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- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 1
- 235000010447 xylitol Nutrition 0.000 description 1
- 229960002675 xylitol Drugs 0.000 description 1
Images
Classifications
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/09—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture
- C08G18/095—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture oligomerisation to carbodiimide or uretone-imine groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/09—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C267/00—Carbodiimides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/166—Catalysts not provided for in the groups C08G18/18 - C08G18/26
- C08G18/168—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/2815—Monohydroxy compounds
- C08G18/282—Alkanols, cycloalkanols or arylalkanols including terpenealcohols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/2815—Monohydroxy compounds
- C08G18/283—Compounds containing ether groups, e.g. oxyalkylated monohydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4862—Polyethers containing at least a part of the ether groups in a side chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/73—Polyisocyanates or polyisothiocyanates acyclic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/83—Chemically modified polymers
- C08G18/833—Chemically modified polymers by nitrogen containing compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B61/00—Other general methods
Definitions
- the present invention relates to a polycarbodiimide composition, a method for producing a polycarbodiimide composition, an aqueous dispersion composition, a solution composition, a resin composition, and a cured resin product.
- resin compositions containing a main agent and a curing agent are known.
- carbodiimide curing agents are known as curing agents.
- carbodiimide-based curing agent for example, 673 g of hexamethylene diisocyanate (HDI) and 800 g of polyethylene glycol monomethyl ether having an average molecular weight of 400 are reacted at 120 ° C. for 1 hour, and a carbodiimidization catalyst (3 A polycarbodiimide composition in which 13.5 g of -methyl-1-phenyl-2-phospholene-1-oxide) is added and further reacted at 185 ° C. for 5 hours has been proposed (for example, Patent Document 1 (Synthesis Example) 82).).
- a resin cured product such as a coating film can be obtained by drying and curing a resin composition comprising such a polycarbodiimide composition (curing agent) and a main agent.
- the resin composition is cured in a relatively short time (for example, 10 minutes or less) at a relatively low temperature (for example, 80 ° C. or less) from the viewpoint of improvement in production efficiency, workability, and the like ( That is, low temperature rapid curability) is required.
- the resin composition does not have sufficient low-temperature rapid curability, and the resin cured product obtained can be obtained under relatively low temperature and relatively short time conditions. There is a problem that physical properties (for example, water resistance and chemical resistance) are not sufficient.
- An object of the present invention is to provide a polycarbodiimide composition excellent in low-temperature rapid curability, a method for producing the polycarbodiimide composition, an aqueous dispersion composition and a solution composition containing the polycarbodiimide composition, and a polycarbodiimide composition It is in providing the resin composition containing this, and also the resin cured material which hardened the resin composition.
- the present invention [1] is a reaction product of a polyisocyanate having a primary isocyanate group and an alcohol, which contains a carbodiimide group and a uretonimine group, and is 2120 cm derived from stretching vibration of a carbodiimide group in an infrared absorption spectrum.
- the intensity ratio (IR CI / IR UI + U ) of the absorbance IR CI near ⁇ 1 to the absorbance IR UI + U near 1720 cm ⁇ 1 derived from the stretching vibration of the uretonimine group and the urethane group is 1.5 or more and 4.5 or less.
- a polycarbodiimide composition is included.
- the ratio of the uretonimine group to the total moles of the carbodiimide group and the uretonimine group is 1.5 mol% or more and 15 mol% or less.
- a polycarbodiimide composition is included.
- the present invention [3] is the above [1] or [2], wherein the equivalent ratio (NCO / OH) of the isocyanate group of the polyisocyanate to the hydroxyl group of the alcohol is more than 2 and 16 or less.
- a polycarbodiimide composition is included.
- the alcohol contains an alcohol containing three or more continuous oxyethylene groups, and the content ratio of three or more continuous oxyethylene groups is based on the polycarbodiimide composition.
- the polycarbodiimide composition according to any one of [1] to [3], which is 10% by mass or more and 40% by mass or less.
- the alcohol contains an alcohol containing three or more consecutive oxyethylene groups, and the content ratio of the alcohol containing three or more consecutive oxyethylene groups is that of the alcohols.
- the present invention includes the polycarbodiimide composition according to any one of [1] to [5] above, wherein the polyisocyanate is an aliphatic polyisocyanate.
- the present invention includes the polycarbodiimide composition according to the above [6], wherein the aliphatic polyisocyanate is pentamethylene diisocyanate.
- the present invention [8] is a method for producing the polycarbodiimide composition according to any one of the above [1] to [7], wherein the polyisocyanate and the alcohol are urethanated.
- a method for producing a polycarbodiimide composition comprising a step and a carbodiimidization step in which a reaction product in the urethanization step is heated in the presence of a carbodiimidization catalyst to cause a carbodiimidization reaction.
- the present invention includes the method for producing a polycarbodiimide composition according to the above [8], wherein a reaction temperature in the carbodiimidization reaction is 125 ° C. or higher and 160 ° C. or lower.
- the present invention [10] includes the method for producing a polycarbodiimide composition according to the above [8] or [9], wherein the carbodiimidization reaction is performed under reflux.
- the present invention [11] is a water dispersion wherein the polycarbodiimide composition according to any one of the above [1] to [7] is dispersed in water at a solid content concentration of 5% by mass to 90% by mass It contains an aqueous dispersion composition that is a liquid.
- the present invention [12] is a solution in which the polycarbodiimide composition according to any one of the above [1] to [7] is dissolved in an organic solvent at a solid content concentration of 5% by mass or more and 90% by mass or less.
- a solution composition is a solution in which the polycarbodiimide composition according to any one of the above [1] to [7] is dissolved in an organic solvent at a solid content concentration of 5% by mass or more and 90% by mass or less.
- the present invention includes a resin composition comprising a main component having a carboxyl group and a curing agent including the polycarbodiimide composition according to any one of the above [1] to [7]. .
- the present invention [14] includes a cured resin, which is a cured product of the resin composition described in [13] above.
- the intensity ratio of the absorbance IR CI in the vicinity of 2120 cm ⁇ 1 derived from the stretching vibration of the carbodiimide group to the absorbance IR UI + U in the vicinity of 1720 cm ⁇ 1 derived from the stretching vibration of the uretonimine group and the urethane group is in a specific range.
- the polycarbodiimide composition of the present invention the aqueous dispersion composition of the present invention containing the polycarbodiimide composition and the solution composition of the present invention, and the resin composition of the present invention containing the polycarbodiimide composition are Excellent curability.
- the polycarbodiimide composition of the present invention can be efficiently produced.
- the resin cured product of the present invention is a cured product of a resin composition that is excellent in low-temperature rapid curability. Therefore, the cured resin of the present invention can be obtained at a relatively low temperature and in a relatively short time, and is excellent in various physical properties (for example, water resistance and chemical resistance).
- FIG. 1 shows an infrared absorption spectrum of the polycarbodiimide composition obtained in Example 6.
- FIG. 2 shows the 13 C-NMR spectrum of the polycarbodiimide composition obtained in Example 20.
- the polycarbodiimide composition of the present invention is a reaction product of a polyisocyanate having a primary isocyanate group (hereinafter sometimes simply referred to as polyisocyanate) and an alcohol.
- a primary isocyanate group is defined as a monovalent functional group (—CH 2 NCO) in which two hydrogen atoms (H) are bonded to a carbon atom (C) to which an isocyanate group (—NCO) is bonded.
- the polyisocyanate having a primary isocyanate group only needs to have at least one primary isocyanate group, and may have, for example, a secondary isocyanate group or a tertiary isocyanate group.
- the secondary isocyanate group is a divalent functional group (—CHR—NCO (R is substituted), wherein one hydrogen atom (H) is bonded to the carbon atom (C) to which the isocyanate group (—NCO) is bonded. Group))).
- the tertiary isocyanate group is a trivalent functional group (—CR 1 R 2 —NCO () in which a hydrogen atom (H) is not bonded to a carbon atom (C) to which an isocyanate group (—NCO) is bonded.
- R 1 and R 2 represent the same or different substituents.)
- polyisocyanates having primary isocyanate groups examples include aliphatic polyisocyanates having primary isocyanate groups, alicyclic polyisocyanates having primary isocyanate groups, and araliphatic polyisocyanates having primary isocyanate groups. It is done.
- the aliphatic polyisocyanate having a primary isocyanate group is a linear (straight chain or branched chain: acyclic) aliphatic polyisocyanate having a primary isocyanate group, such as ethylene diisocyanate, trimethylene diisocyanate, 1,2-propylene diisocyanate, butylene diisocyanate (tetramethylene diisocyanate, 1,2-butylene diisocyanate, 2,3-butylene diisocyanate, 1,3-butylene diisocyanate), 1,5-pentamethylene diisocyanate (PDI), 1,6 Hexamethylene diisocyanate (HDI), 2,4,4- or 2,2,4-trimethylhexamethylene diisocyanate, 2,6-diisocyanate methyl capate, heptamethylene diisocyanate, o Data diisocyanate, and aliphatic diisocyanates such as dodecamethylene diisocyanate.
- Examples of the alicyclic polyisocyanate having a primary isocyanate group include 3-isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate (isophorone diisocyanate; IPDI), 1,3- or 1,4-bis (isocyanate). Natomethyl) cyclohexane or a mixture thereof (hydrogenated XDI), and alicyclic diisocyanates such as norbornane diisocyanate (NBDI).
- IPDI isophorone diisocyanate
- NBDI norbornane diisocyanate
- araliphatic polyisocyanate having a primary isocyanate group examples include araliphatic diisocyanates such as 1,3- or 1,4-xylylene diisocyanate or a mixture thereof (XDI).
- polyisocyanates having primary isocyanate groups can be used alone or in combination of two or more.
- the polyisocyanate having a primary isocyanate group is preferably an aliphatic polyisocyanate having a primary isocyanate group or an alicyclic polyisocyanate having a primary isocyanate group from the viewpoint of light resistance, fluidity and water dispersibility. More preferably, an aliphatic polyisocyanate having a primary isocyanate group is used.
- the aliphatic polyisocyanate having a primary isocyanate group is preferably 1,5-pentamethylene diisocyanate (PDI) or 1,6-hexamethylene diisocyanate (HDI), more preferably. 1,5-pentamethylene diisocyanate (PDI).
- PDI 1,5-pentamethylene diisocyanate
- HDI 1,6-hexamethylene diisocyanate
- 1,5-pentamethylene diisocyanate has a smaller number of carbon atoms and a smaller molecular weight than 1,6-hexamethylene diisocyanate. Therefore, when producing a polycarbodiimide composition having the same molecular weight, the use of 1,5-pentamethylene diisocyanate increases the concentration of carbodiimide groups in the polycarbodiimide composition compared to the use of 1,6-hexamethylene diisocyanate. be able to. As a result, it is possible to obtain a polycarbodiimide composition excellent in low-temperature rapid curability, and further to obtain a cured resin (described later) excellent in various physical properties (water resistance, chemical resistance, etc.).
- 1,5-pentamethylene diisocyanate having an odd number of carbon atoms is less crystalline than the 1,6-pentamethylene diisocyanate having an even number of carbon atoms due to the amorphous structure derived from the odd number of carbon atoms. It is considered that the properties of the resulting cured resin (described later) are improved with excellent properties and dispersibility.
- polyisocyanate which has primary isocyanate group when using together 2 or more types of polyisocyanate which has primary isocyanate group, Preferably, aliphatic polyisocyanate which has primary isocyanate group, and alicyclic polyisocyanate which has primary isocyanate group are used together. .
- the storage stability and pot life are derived from the low reactivity of the alicyclic polyisocyanate.
- the fast curability can be improved due to the high reactivity of the aliphatic polyisocyanate. That is, it is possible to achieve a balance between storage stability and pot life and fast curability.
- the combined use ratio when the aliphatic polyisocyanate having a primary isocyanate group and the alicyclic polyisocyanate having a primary isocyanate group are used in combination is 100 parts by mass of the aliphatic polyisocyanate having a primary isocyanate group.
- the aliphatic polyisocyanate having a primary isocyanate group is, for example, 20 parts by mass or more, preferably 30 parts by mass or more, for example, 90 parts by mass or less, preferably 50 parts by mass or less.
- two or more kinds of polyisocyanates can be mixed and used.
- first urethanization step (described later)
- carbodiimidization step (described later)
- two or more types of urethanized polyisocyanates are mixed. Can be used.
- first urethanization step (described later)
- carbodiimidization step (carbodiimidization step (described later)
- second urethanization step two or more kinds of polyisocyanates that have been urethanized and carbodiimidized can be mixed and used.
- the urethanized polyisocyanate and two or more types of polyisocyanates can be mixed and subjected to a carbodiimidization step (described later).
- the above method is not limited to the case where two or more kinds of polyisocyanates are used in combination, and can also be adopted when polyisocyanate is used alone.
- first urethanization step (described later)
- urethanized polyisocyanate and the remainder of the single type of polyisocyanate non-urethane polyisocyanate
- carbodiimidization step (described later).
- alcohols examples include alcohols containing three or more consecutive oxyethylene groups, and other alcohols (that is, alcohols not containing three or more consecutive oxyethylene groups).
- Examples of the alcohol containing 3 or more consecutive oxyethylene groups include a polyol containing 3 or more consecutive oxyethylene groups and a monool containing 3 or more consecutive oxyethylene groups.
- a polyol containing three or more consecutive oxyethylene groups is an organic compound having both three or more consecutive oxyethylene groups and two or more hydroxyl groups in one molecule, such as polyoxyethylene polyol Is mentioned.
- Polyoxyethylene polyol can be obtained, for example, by addition reaction of ethylene oxide using a low molecular weight polyol or the like as an initiator so that the number of repeating units of the oxyethylene group is 3 or more.
- the low molecular weight polyol is a compound having two or more hydroxyl groups and a molecular weight of 60 or more and less than 500, for example, ethylene glycol, propylene glycol, 1,3-propanediol, 1,4-butylene glycol, 1,3-butylene glycol.
- 1,2-butylene glycol 1,5-pentanediol, 1,6-hexanediol, neopentyl glycol, 3-methyl-1,5-pentanediol, 2,2,2-trimethylpentanediol, 3,3 Dimethylol heptane, alkane (C7-20) diol, 1,3- or 1,4-cyclohexanedimethanol and mixtures thereof, 1,3- or 1,4-cyclohexanediol and mixtures thereof, hydrogenated bisphenol A 1,4-dihydroxy-2-butene, 2,6- Dihydric alcohols such as methyl-1-octene-3,8-diol, bisphenol A, diethylene glycol, triethylene glycol and dipropylene glycol, for example, trihydric alcohols such as glycerin, trimethylolpropane and triisopropanolamine, such as tetra Tetrahydric alcohols such as methylolmethan
- Preferred examples of the low molecular weight polyol include dihydric alcohols.
- the number of functional groups (number of hydroxyl groups) of polyoxyethylene polyol is the same as the number of functional groups (number of hydroxyl groups) of the initiator (such as low molecular weight polyol).
- the initiator such as low molecular weight polyol.
- Polyoxyethylene glycol is obtained as the polyoxyethylene polyol.
- polyols containing three or more consecutive oxyethylene groups can be used alone or in combination of two or more.
- polyoxyethylene glycol is preferable.
- a monool containing three or more continuous oxyethylene groups is an organic compound having both three or more continuous oxyethylene groups and one hydroxyl group in one molecule, for example, one-end-capped polyoxy Ethylene glycol is mentioned.
- One-end-capped polyoxyethylene glycol is a polyethylene glycol monoalkyl ether in which one terminal hydroxyl group of polyoxyethylene glycol is substituted with an oxyalkylene group.
- the alkyl group has 1 or more carbon atoms, for example, 20 or less, preferably 8 or less, more preferably 6 or less, still more preferably 4 or less, and particularly preferably 2 or less. It is. That is, examples of the alkyl group for sealing one end include a methyl group and an ethyl group. Specific examples of such polyethylene glycol monoalkyl ether include polyethylene glycol monomethyl ether and polyethylene glycol monoethyl ether.
- These monools containing three or more consecutive oxyethylene groups can be used alone or in combination of two or more.
- These alcohols containing three or more consecutive oxyethylene groups can be used alone or in combination of two or more.
- the alcohol containing three or more consecutive oxyethylene groups is preferably a monool containing three or more consecutive oxyethylene groups, more preferably a polyethylene glycol monoalkyl ether, and even more preferably a polyethylene glycol monomethyl ether. Can be mentioned.
- the number of repeating units of the oxyethylene group is 3 or more, preferably 5 or more, more preferably 10 or more, for example, 60 or less, preferably , 50 or less.
- the stability during synthesis and the water dispersibility of the polycarbodiimide composition can be improved.
- the molecular weight (number average molecular weight) of the alcohol containing three or more consecutive oxyethylene groups is, for example, 100 or more, preferably 200 or more, more preferably 300 or more, and still more preferably 400 or more, For example, it is 5000 or less, preferably 3000 or less, more preferably 2000 or less, and still more preferably 1000 or less.
- the molecular weight (number average molecular weight) of the alcohol containing three or more consecutive oxyethylene groups is in the above range, the stability during synthesis and the water dispersibility of the polycarbodiimide composition can be improved.
- the other alcohol is an alcohol excluding the alcohol containing three or more consecutive oxyethylene groups, and specifically, an alcohol having no three or more consecutive oxyethylene groups in the molecule. .
- other alcohols do not contain oxyethylene groups, or are not more than three consecutive oxyethylene groups (eg, two consecutive oxyethylene groups, a single oxyethylene group, etc.). It contains alcohol.
- polyols (hereinafter referred to as other polyols) excluding the above-mentioned polyols containing three or more continuous oxyethylene groups, mono-containing containing three or more continuous oxyethylene groups. And monools other than all (hereinafter referred to as other monools).
- polyols are alcohols that do not have three or more continuous oxyethylene groups in one molecule and have two or more hydroxyl groups in one molecule, such as decanediol (carbon number 10 ), Dodecanediol (carbon number 12), tetradecandiol (carbon number 14), hexadecane diol (carbon number 16), octadecane diol (carbon number 18), eicosanediol (carbon number 20) and the like.
- Non-aliphatic polyols such as ether polyols having 1 to 2 oxyethylene groups such as diethylene glycol. These other polyols can be used alone or in combination of two or more.
- Other monools are alcohols that do not have three or more consecutive oxyethylene groups in one molecule and one hydroxyl group in one molecule, such as methanol, ethanol, propanol, isopropanol.
- Other alcohols preferably include other monools, more preferably aliphatic monools having no oxyethylene groups, and ether monools having 1 to 2 oxyethylene groups, which improve water dispersibility. From the viewpoint of achieving the above, more preferred are ether monools having 1 to 2 oxyethylene groups, and particularly preferred is 1-methoxy-2-propanol.
- These alcohols can be used alone or in combination of two or more.
- the alcohol preferably contains an alcohol containing three or more continuous oxyethylene groups, and more preferably from the viewpoint of compatibility between water dispersibility and water resistance. It contains alcohol containing three or more consecutive oxyethylene groups and other alcohols.
- the hydrophilicity can be improved, so that the water dispersibility of the polycarbodiimide composition can be improved. And an aqueous dispersion composition (described later) can be obtained efficiently.
- the content rate of the 3 or more continuous oxyethylene groups is 5 with respect to a polycarbodiimide composition, for example.
- % By mass or more, preferably 10% by mass or more, more preferably 15% by mass or more, for example, 50% by mass or less, preferably 40% by mass or less, more preferably 35% by mass or less.
- the content ratio of the oxyethylene group is within the above range, the low-temperature fast curability and water dispersibility of the polycarbodiimide composition can be improved, and a resin cured product (described later) having excellent water resistance can be obtained. Can do.
- the content rate of the said oxyethylene group is a content rate of the oxyethylene group which the alcohol containing 3 or more continuous oxyethylene groups has, Comprising:
- the oxyethylene group (for example, oxyethylene group) which other polyols contain Are not included in the ether monool having 1 to 2 carbon atoms.
- the content ratio of three or more consecutive oxyethylene groups can be calculated from the charged amount.
- the alcohol contains an alcohol containing three or more consecutive oxyethylene groups and another alcohol
- the alcohol containing three or more consecutive oxyethylene groups with respect to the total moles of the alcohols Is, for example, 5 mol% or more, preferably 12 mol% or more, for example, 50 mol% or less, preferably 48 mol% or less.
- the content rate of other alcohol is 50 mol% or more, for example, Preferably, it is 52 mol% or more, for example, 95 mol% or less, Preferably, it is 88 mol% or less.
- the content ratio of the alcohol containing three or more consecutive oxyethylene groups and the other alcohol is within the above range, the low-temperature fast curability and water dispersibility of the polycarbodiimide composition can be improved, and A cured resin (described later) having excellent water resistance can be obtained.
- alcohols do not contain alcohol containing three or more consecutive oxyethylene groups, and can contain only other alcohols.
- the polycarbodiimide composition can be obtained by reacting the above polyisocyanate with the above alcohol under predetermined conditions, and further allowing a carbodiimidization reaction.
- urethanization step first, the polyisocyanate and the alcohols are subjected to a urethanization reaction (urethanization step).
- the reaction ratio between the polyisocyanate and the alcohol is such that the equivalent ratio (NCO / OH) of the isocyanate group of the polyisocyanate to the hydroxyl group of the alcohol exceeds 2, for example, preferably 3 or more. More preferably, it is 4 or more, for example, 16 or less, preferably 14 or less, more preferably 10 or less. That is, in the urethanization step, the reaction is preferably carried out at a ratio where the isocyanate group becomes excessive with respect to the hydroxyl group.
- reaction ratio between the polyisocyanate and the alcohol is within the above range, the water dispersibility and the low temperature fast curability of the polycarbodiimide composition can be achieved.
- a known urethanization catalyst such as amines or organometallic compounds may be added as necessary.
- amines include tertiary amines such as triethylamine, triethylenediamine, bis- (2-dimethylaminoethyl) ether, N-methylmorpholine, and quaternary ammonium salts such as tetraethylhydroxylammonium, such as imidazole, And imidazoles such as 2-ethyl-4-methylimidazole.
- tertiary amines such as triethylamine, triethylenediamine, bis- (2-dimethylaminoethyl) ether, N-methylmorpholine
- quaternary ammonium salts such as tetraethylhydroxylammonium, such as imidazole, And imidazoles such as 2-ethyl-4-methylimidazole.
- organic metal compound examples include tin acetate, tin octylate, tin oleate, tin laurate, dibutyltin diacetate, dimethyltin dilaurate, dibutyltin dilaurate, dibutyltin dimercaptide, dibutyltin maleate, dibutyltin dilaurate (dilauric acid) Dibutyltin (IV)), dibutyltin dineodecanoate, dioctyltin dimercaptide, dioctyltin dilaurate, dibutyltin dichloride and the like, for example, organic lead compounds such as lead octoate and lead naphthenate, Organic nickel compounds such as nickel naphthenate, for example, organic cobalt compounds such as cobalt naphthenate, for example, organic copper compounds such as copper octenoate, for example, organic bismuth compounds such as bis
- examples of the urethanization catalyst include potassium salts such as potassium carbonate, potassium acetate, and potassium octylate.
- urethanization catalysts can be used alone or in combination of two or more.
- the mixing ratio of the urethanization catalyst is not particularly limited, and is appropriately set according to the purpose and application.
- the reaction conditions in the urethanization step are, for example, a reaction temperature of, for example, 30 ° C. or higher, preferably 60 ° C. or higher under normal pressure and an inert gas (eg, nitrogen gas) atmosphere. ° C or lower, preferably 180 ° C or lower.
- the reaction time is, for example, 1 hour or more, preferably 3 hours or more, for example, 50 hours or less, preferably 40 hours or less.
- urethane-modified product (alcohol-modified product) of polyisocyanate
- the urethane modified body (alcohol modified body) of polyisocyanate has an isocyanate group at the molecular terminal.
- the reaction solution containing the reaction product in the urethanization step is heated in the presence of a carbodiimidization catalyst to cause a carbodiimidization reaction (carbodiimidization step).
- the carbodiimidization catalyst is not particularly limited, and examples thereof include trialkyl phosphate compounds, phospholene oxide compounds, phospholene sulfide compounds, phosphine oxide compounds, and phosphine compounds.
- trialkyl phosphate ester examples include trialkyl phosphate ester compounds having 3 to 24 carbon atoms such as trimethyl phosphate, triethyl phosphate, and trioctyl phosphate.
- Examples of the phospholene compound include 3-methyl-1-phenyl-2-phospholene-1-oxide (MPPO), 1-ethyl-3-methyl-2-phospholene-1-oxide (EMPO), 1 , 3-dimethyl-2-phospholene-1-oxide, 1-phenyl-2-phospholene-1-oxide, 1-methyl-2-phospholene-1-oxide, 1-ethyl-2-phospholene-1-oxide and the like
- Examples thereof include phospholene oxide compounds having 4 to 18 carbon atoms, such as double bond isomers.
- Examples of the phospholene sulfide compound include phospholene sulfide compounds having 4 to 18 carbon atoms such as 1-phenyl-2-phospholene-1-sulfide.
- phosphine oxide compound examples include phosphine oxide compounds having 3 to 21 carbon atoms such as triphenylphosphine oxide and tolylphosphine oxide.
- phosphine compound examples include phosphine compounds having 3 to 30 carbon atoms such as bis (oxadiphenylphosphino) ethane.
- These carbodiimidization catalysts can be used alone or in combination of two or more.
- Preferred examples of the carbodiimidization catalyst include phospholene oxide compounds, more preferably 3-methyl-1-phenyl-2-phospholene-1-oxide, 1-ethyl-3-methyl-2-phospholene- 1-oxide is mentioned.
- the activity of carbodiimidization can be improved, the reaction temperature can be lowered, and side reactions such as uretonimination can be suppressed to obtain a polycarbodiimide composition with high yield.
- the content of the carbodiimide group can be improved.
- 3-methyl-1-phenyl-2-phospholene-1-oxide is particularly preferred from the viewpoint of obtaining a cured resin (explained later) excellent in water resistance.
- the blending ratio of the carbodiimidization catalyst is, for example, 0.01 parts by mass or more, preferably 0.05 parts by mass or more with respect to 100 parts by mass of polyisocyanate (polyisocyanate used in the urethanization step). 20 parts by mass or less, preferably 10 parts by mass or less.
- the reaction conditions in the carbodiimidization step are set so that the content ratio of the carbodiimide group of the obtained polycarbodiimide composition falls within a specific range described later.
- the reaction temperature is, for example, 125 ° C. or higher, under atmospheric pressure and an inert gas (such as nitrogen gas) atmosphere, 130 degreeC or more, More preferably, it is 135 degreeC or more, for example, 160 degrees C or less, Preferably, it is 155 degrees C or less, More preferably, it is less than 155 degreeC.
- the reaction time is, for example, 1 hour or more, preferably 3 hours or more, for example, 50 hours or less, preferably 40 hours or less.
- reaction product (urethane modified polyisocyanate) obtained in the urethanization step can be decarboxylated and condensed through an isocyanate group, and a carbodiimide group can be efficiently generated. .
- the reaction temperature is equal to or higher than the lower limit
- the carbodiimidization reaction can proceed while promoting the reaction of the generated uretonimine to decompose into carbodiimide and isocyanate groups.
- the temperature is lower than the lower limit, this thermal decomposition reaction hardly occurs, the content of uretonimine increases, and the content of carbodiimide groups decreases.
- the molecular weight increases due to the increase in uretonimine, and the reaction solution may solidify.
- the reaction temperature is not more than the above upper limit, the polymerization loss can be reduced.
- the reaction solution is preferably refluxed in the presence of an organic solvent from the viewpoint of smoothly causing a carbodiimidization reaction and promoting decarboxylation condensation. That is, a carbodiimidization reaction is performed under reflux.
- organic solvent examples include ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone, and cyclohexanone, nitriles such as acetonitrile, alkyl esters such as methyl acetate, ethyl acetate, butyl acetate, and isobutyl acetate, such as n- Aliphatic hydrocarbons such as hexane, n-heptane and octane, for example, alicyclic hydrocarbons such as cyclohexane and methylcyclohexane, for example, aromatic hydrocarbons such as toluene, xylene and ethylbenzene, such as methyl cellosolve acetate , Ethyl cellosolve acetate, methyl carbitol acetate, ethyl carbitol acetate, ethylene glycol methyl ether acetate, ethylene glycol methyl
- the organic solvent is preferably an organic solvent having a reflux temperature within the above reaction temperature range.
- organic solvent examples include xylene, ethylene glycol methyl ether acetate, and propylene glycol methyl ether acetate.
- the blending ratio of the organic solvent is not particularly limited, but is, for example, 50 parts by mass or more, preferably 100 parts by mass or more with respect to 100 parts by mass of polyisocyanate (polyisocyanate used in the urethanization step). , 2000 parts by mass or less, preferably 500 parts by mass or less.
- the uretonimine decomposition reaction By refluxing the reaction solution in the presence of an organic solvent, the uretonimine decomposition reaction can be promoted and the carbodiimidization reaction can be carried out smoothly, and the carbon dioxide gas generated by the carbodiimidization of the isocyanate group can be eliminated. Therefore, carbodiimidization can be promoted.
- the polycarbodiimide composition containing a urethane group, a carbodiimide group, and a uretonimine group is obtained.
- a urethane group derived from an isocyanate group of a polyisocyanate is generated in the urethanization step.
- reaction product (urethane modified polyisocyanate) obtained in the urethanization step is heated in the carbodiimidization step, a carbodiimide group derived from the isocyanate group at the molecular end is generated, and the generated carbodiimide group A part reacts with the isocyanate group at the molecular end to produce a uretonimine group.
- a part of the uretonimine group is thermally decomposed by continuing the heating in the carbodiimidization step, and the carbodiimide group and the isocyanate group at the molecular end are regenerated, and further, the carbodiimide group derived from the isocyanate group at the molecular end.
- the isocyanate group of the polyisocyanate is converted into a urethane group, a carbodiimide group, and a uretonimine group.
- a polycarbodiimide composition containing a urethane group, a carbodiimide group and a uretonimine group is obtained.
- the ratio in which an isocyanate group is converted into a carbodiimide group is relatively larger than the ratio in which an isocyanate group is converted into a urethane group and a uretonimine group.
- the absorbance IR CI near 2120 cm ⁇ 1 derived from the stretching vibration of the carbodiimide group, and the absorbance near 1720 cm ⁇ 1 derived from the stretching vibration of the uretonimine group and the urethane group is 1.5 or more, preferably 1.8 or more, more preferably 2.4 or more, 4.5 or less, preferably 4.2 or less. More preferably, it is 3.6 or less.
- the strength ratio (IR CI / IR UI + U ) in the polycarbodiimide composition is below the above lower limit, the carbodiimide groups are relatively few, so the low-temperature rapid curability is not sufficient, and the resin composition When cured (described later) at a relatively low temperature and in a relatively short time, the obtained resin cured product (described later) is inferior in various physical properties, particularly chemical resistance.
- IR CI / IR UI + U the intensity ratio (IR CI / IR UI + U ) is within the specific range, the molecular weight is adjusted, and an aqueous dispersion composition (described later) and a solution composition (described later) can be easily obtained.
- a resin composition (described later) excellent in low-temperature fast curability can be obtained by relatively increasing the number of carbodiimide groups, and further by curing the resin composition, a cured resin product excellent in various physical properties. (Described later) can be obtained at a relatively low temperature and in a relatively short time.
- the infrared absorption spectrum of a polycarbodiimide composition can be measured based on the Example mentioned later.
- the ratio of uretonimine groups to the total moles of carbodiimide groups and uretonimine groups is, for example, 1 mol% or more, preferably more than 1 mol%, more preferably 1.5 mol%. Or more, more preferably 2 mol% or more, particularly preferably 4 mol% or more, for example, 20 mol% or less, preferably 15 mol% or less, more preferably 10 mol% or less, still more preferably, It is 8 mol% or less.
- the polycarbodiimide composition if the ratio of the uretonimine group to the total moles of the carbodiimide group and the uretonimine group is within the above specific range, it is possible to improve the low temperature fast curability, and the resin curing is excellent in various physical properties. A thing (after-mentioned) can be obtained. Furthermore, in the water dispersion composition (described later), the water dispersibility can be improved.
- the ratio of the uretonimine group to the total moles of the carbodiimide group and the uretonimine group can be determined from a 13 C-NMR spectrum according to the examples described later.
- the polycarbodiimide composition obtained in the above-described carbodiimidization step can be further reacted with an alcohol as necessary.
- the urethanization step before the carbodiimidization step may be referred to as a first urethanization step
- the urethanization step after the carbodiimidization step may be referred to as a second urethanization step.
- the polycarbodiimide composition obtained in the carbodiimidization process further has an isocyanate group at the molecular end
- the polycarbodiimide composition is reacted with an alcohol to thereby react the isocyanate at the molecular end.
- the group can be urethanized.
- examples of alcohols include other alcohols described above (that is, alcohols that do not contain three or more consecutive oxyethylene groups).
- the blending ratio of the alcohols in the second urethanization step is the polyisocyanate used in the first urethanization step, where the total amount of alcohols used in the first urethanization step and alcohols used in the second urethanization step is Is adjusted to a predetermined ratio.
- Exceeds 2 for example, preferably 3 or more, more preferably 4 or more, for example, 16 or less, preferably 14 or less, more preferably 10 or less.
- the above urethanization catalyst may be added as necessary.
- the compounding ratio of a urethanization catalyst is not restrict
- reaction conditions in the second urethanization step are set so that the content ratio of the urethane group, carbodiimide group and uretonimine group in the resulting polycarbodiimide composition falls within the above-mentioned predetermined range.
- the reaction temperature is preferably in the same range as the reaction temperature in the carbodiimidization step under normal pressure and an inert gas (for example, nitrogen gas) atmosphere.
- reaction time is 15 minutes or more, for example, Preferably, it is 30 minutes or more, for example, is 5 hours or less, Preferably, it is 1 hour or less.
- the polycarbodiimide composition obtained in this way contains a urethane group, a carbodiimide group, and a uretonimine group in the above-mentioned predetermined ratio. That is, the intensity ratio (IR CI / IR UI + U ) is in the specific range. Therefore, the molecular weight is adjusted, an aqueous dispersion composition (described later) and a solution composition (described later) can be easily obtained, and a resin composition having a relatively high carbodiimide group and excellent in low-temperature rapid curability. (Described later) can be obtained, and further, by curing the resin composition, a cured resin (described later) excellent in various physical properties can be obtained at a relatively low temperature and in a relatively short time.
- the second urethanization step when the second urethanization step is carried out, the amount of by-products derived from alcohol increases, the molecular weight increases rapidly, the fluidity decreases, and the water dispersibility and the low temperature rapid curability may decrease. is there. Therefore, preferably, the second urethanization step is not performed, and only the first urethanization step and the carbodiimidization step are performed.
- polycarbodiimide composition is not limited to the above,
- polyisocyanate, a carbodiimidization catalyst, and alcohol can be mix
- polycarbodiimide composition for example, unreacted polyisocyanate, unreacted alcohols, low molecular weight compounds (by-products), organic solvents, carbodiimidization catalysts, urethanization catalysts, etc. are distilled. It can also be removed by known methods such as extraction and filtration.
- the polycarbodiimide composition may further contain known additives, for example, storage stabilizers (eg, o-toluenesulfonamide, p-toluenesulfonamide), plasticizers, antiblocking agents, heat-resistant stability, if necessary.
- storage stabilizers eg, o-toluenesulfonamide, p-toluenesulfonamide
- plasticizers eg., o-toluenesulfonamide, p-toluenesulfonamide
- antiblocking agents heat-resistant stability
- heat-resistant stability if necessary.
- An agent, a light resistance stabilizer, an antioxidant, a release agent, a catalyst, a pigment, a dye, a lubricant, a filler, a hydrolysis inhibitor, and the like can be added at an appropriate timing.
- the addition ratio of the additive is not particularly limited, and is appropriately set according to the purpose and application.
- polycarbodiimide composition can be used alone or in combination of two or more.
- the intensity ratio of the absorbance IR CI near 2120 cm ⁇ 1 derived from the stretching vibration of the carbodiimide group to the absorbance IR UI + U around 1720 cm ⁇ 1 derived from the stretching vibration of the uretonimine group and the urethane group ( IR CI / IR UI + U ) is in a specific range. Therefore, such a polycarbodiimide composition is excellent in low temperature rapid curability.
- the polycarbodiimide composition can be produced efficiently.
- a polycarbodiimide composition is excellent in low temperature rapid curability, it is used suitably as a hardening
- the resin composition contains a curing agent including a polycarbodiimide composition and a main component having a carboxyl group.
- the curing agent is not particularly limited as long as it contains a polycarbodiimide composition.
- a polycarbodiimide composition for example, an aqueous dispersion in which the polycarbodiimide composition is dispersed in water (hereinafter referred to as an aqueous dispersion composition) or a polycarbodiimide composition. It is prepared as a solution in which the product is dissolved in an organic solvent (hereinafter referred to as a solution composition).
- the water dispersion composition contains a polycarbodiimide composition and water.
- polycarbodiimide composition in an aqueous dispersion composition preferably a polycarbodiimide composition obtained by a carbodiimidization reaction of a reaction product of an alcohol containing three or more continuous oxyethylene group-containing alcohols and a polyisocyanate Things.
- the polycarbodiimide composition when an alcohol containing three or more continuous oxyethylene groups is used, the polycarbodiimide composition contains three or more continuous oxyethylene groups. Since such a polycarbodiimide composition is hydrophilic, it is easily dispersed in water.
- the method for dispersing the polycarbodiimide composition in water is not particularly limited, and examples thereof include a method of adding water to the polycarbodiimide composition and stirring, a method of adding the polycarbodiimide composition to water, and a method of stirring. .
- water is added to the polycarbodiimide composition.
- the ratio of the polycarbodiimide composition and water is not particularly limited, but the concentration of the polycarbodiimide composition (resin component) in the aqueous dispersion composition (that is, the solid content concentration) is, for example, 5% by mass or more, preferably It is 10 mass% or more, for example, 90 mass% or less, Preferably, it is 80 mass% or less.
- the curing agent is an aqueous dispersion composition
- the compatibility with the aqueous resin (main agent) can be improved, and a cured product excellent in water resistance and solvent resistance can be obtained.
- a solution composition contains the said polycarbodiimide composition, it is excellent in low temperature rapid curability.
- the solution composition contains a polycarbodiimide composition and an organic solvent.
- the polycarbodiimide composition in the solution composition is preferably a polycarbodiimide composition obtained by a carbodiimidization reaction of a reaction product of other polyol and polyisocyanate.
- the polycarbodiimide composition when an alcohol containing three or more continuous oxyethylene groups is not used, the polycarbodiimide composition does not contain three or more continuous oxyethylene groups. Since such a polycarbodiimide composition is hydrophobic, it is easily dissolved in an organic solvent.
- the polycarbodiimide composition in the production of the polycarbodiimide composition, an alcohol containing three or more continuous oxyethylene groups is used, and the polycarbodiimide composition also contains three or more continuous oxyethylene groups. It can be dissolved.
- organic solvent examples include the organic solvents described above, and preferably methyl ethyl ketone, methyl isobutyl ketone, ethyl acetate, butyl acetate, toluene, and xylene.
- the method for dissolving the polycarbodiimide composition in the organic solvent is not particularly limited, and a method of adding and stirring the organic solvent to the polycarbodiimide composition, a method of adding and stirring the polycarbodiimide composition to the organic solvent, etc. Is mentioned.
- an organic solvent is added to the polycarbodiimide composition.
- the ratio between the polycarbodiimide composition and the organic solvent is not particularly limited, but the concentration of the polycarbodiimide composition (resin component) in the solution composition (that is, the solid content concentration) is, for example, 5% by mass or more, preferably It is 10 mass% or more, for example, 90 mass% or less, Preferably, it is 80 mass% or less.
- the curing agent is a solution composition
- compatibility with the oil-based resin (main agent) can be improved, and a cured product having excellent water resistance and solvent resistance can be obtained.
- a solution composition contains the said polycarbodiimide composition, it is excellent in low temperature rapid curability.
- Examples of the main agent having a carboxyl group include a water-based resin having a carboxyl group and an oil-based resin having a carboxyl group.
- water-based resin having a carboxyl group examples include a hydrophilic polymer having a carboxyl group, and specifically, a hydrophilic polyester resin having a carboxyl group, a hydrophilic polyamide resin having a carboxyl group, and a carboxyl group.
- These aqueous resins having a carboxyl group can be used alone or in combination of two or more.
- aqueous resin having a carboxyl group examples include a hydrophilic polyurethane resin having a carboxyl group and a hydrophilic acrylic resin having a carboxyl group.
- oil-based resin having a carboxyl group examples include a hydrophobic polymer having a carboxyl group, and specifically, a hydrophobic polyester resin having a carboxyl group, a hydrophobic polyamide resin having a carboxyl group, and a carboxyl group.
- the above polyolefin) resin etc. are mentioned.
- These oil-based resins having a carboxyl group can be used alone or in combination of two or more.
- oil-based resin having a carboxyl group examples include a hydrophobic polyurethane resin having a carboxyl group and a hydrophobic acrylic resin having a carboxyl group.
- the main agent and the curing agent a combination in which the main agent is an aqueous resin and the curing agent is an aqueous dispersion composition is preferable.
- a combination in which the main agent is an oil-based resin and the curing agent is a solution composition is also preferable.
- the resin composition is preferably a combination of an aqueous main component and an aqueous dispersion composition.
- the resin composition is not particularly limited as long as it contains the above-described main agent and the above-described curing agent, and the two-component type in which the main agent and the curing agent are separately prepared and mixed at the time of use.
- it may be a one-component type in which a main agent and a curing agent are premixed.
- the resin composition is preferably a two-component resin composition.
- the main agent is, for example, 10 parts by mass or more, preferably 30 parts by mass or more, for example, 99.5 parts by mass or less, preferably 100 parts by mass of the total amount thereof. 95.0 parts by mass or less.
- curing agent is 0.5 mass part or more, for example, Preferably, it is 5 mass parts or more, for example, is 90 mass parts or less, Preferably, it is 70 mass parts or less.
- the molar ratio of the carbodiimide group in the curing agent to the carboxyl group in the main agent is, for example, 0.1 or more, preferably 0.2 or more, for example, 2.0 or less, preferably 1.5. It is as follows.
- the main agent and the curing agent if necessary, either or both of them, for example, epoxy resin, catalyst, coating improver, leveling agent, antifoaming agent, antioxidant, ultraviolet absorber, etc.
- Additives such as stabilizers, plasticizers, surfactants, pigments, fillers, organic or inorganic fine particles, antifungal agents, and silane coupling agents may be added. The amount of these additives is appropriately determined depending on the purpose and application.
- the above-described aqueous resin having a carboxyl group, and / or the above-described oil-based resin having a carboxyl group, and other resins can be used in combination.
- a hydroxyl group-containing polyurethane resin, a hydroxyl group-containing acrylic resin, a hydroxyl group-containing polyester resin, Melamine resin etc. can be used in combination.
- the curing agent the above-described polycarbodiimide composition and other curing agents (for example, polyisocyanate resin, epoxy resin, etc.) can be used in combination.
- the method for producing the cured resin product is not particularly limited.
- the resin composition is a one-component type
- the resin composition is directly applied to an object to be coated or an adherend.
- the main agent and the curing agent are mixed, and the obtained mixture is applied to an object to be coated or an adherend.
- a resin hardened material is obtained by carrying out heat hardening of a resin composition.
- the curing temperature is relatively low, and specifically, for example, 100 ° C. or lower, preferably 80 ° C. or lower.
- it is 20 degreeC or more, Preferably, it is 30 degreeC or more.
- the curing time is relatively short, specifically, for example, 1 hour or less, preferably 30 minutes or less. For example, it is 1 minute or more, preferably 5 minutes or more.
- the cured resin cured by heating can be further dried.
- the drying temperature may be room temperature, for example, 10 ° C. or higher, preferably 15 ° C. or higher, for example, 40 ° C. or lower, preferably 30 ° C. or lower.
- drying time is, for example, 1 minute or more, preferably 5 minutes or more, for example, 2 hours or less, preferably 1 hour or less.
- the obtained resin cured product is a cured product of a resin composition excellent in low temperature fast curing properties, it can be obtained at a relatively low temperature and in a relatively short time, and various physical properties (for example, water resistance, chemical resistance) Excellent).
- the cured resin obtained using the polycarbodiimide composition is also excellent in light resistance (weather resistance).
- the resin composition and the cured resin are made of a coating material, an adhesive material (adhesive), an adhesive material (adhesive material), an ink, a sealant, a molding material, a foam and an optical material, polyester, polylactic acid, polyamide, It is preferably used in various fields such as a resin modifier for modifying a resin such as polyimide.
- coating material for example, plastic coatings, automotive exterior coatings, automotive interior coatings, electrical and electronic material coatings, optical material (lens, etc.) coatings, building material coatings, glass coat coatings, woodworking Examples thereof include paints, film coating paints, ink paints, artificial and synthetic leather paints (coat agents), can paints (coat agents), and paper coat paints.
- plastic paint examples include paints for molded articles in which plastic materials (for example, various polymer materials such as polyolefins, ABS, polycarbonates, polyamides, polyesters, and composites thereof) are used.
- plastic materials for example, various polymer materials such as polyolefins, ABS, polycarbonates, polyamides, polyesters, and composites thereof
- Paints for casings (cell phones, smartphones, computers, tablets, etc.), paints for automobile parts (automobile interior materials, headlamps, etc.), paints for household appliances, paints for robot materials, paints for furniture, paints for stationery , Paints for flexible materials such as rubber, elastomers and gels, paints for eyewear materials (lenses, etc.), paints for optical lenses of electronic devices (surface coating agents), and the like.
- examples of the above-mentioned automotive exterior paint include paints for new cars (intermediate coating, base, top, etc.), automotive repairs (intermediate coating, base, top, etc.), and paints for exterior parts (aluminum wheels, bumpers, etc.). Etc.
- the above-mentioned water-based resin having a carboxyl group and the above-described oil-based resin having a carboxyl group can be used as the main agent.
- an aqueous resin having a carboxyl group is used.
- the water-based resin having a carboxyl group examples include a hydrophilic acrylic resin having a carboxyl group, a hydrophilic polyurethane resin having a carboxyl group, and a hydrophilic polyester resin having a carboxyl group, and more preferably, a hydrophilic resin having a carboxyl group. And a hydrophilic acrylic resin having a carboxyl group.
- two or more types of aqueous resins having a carboxyl group as described above can be used in combination.
- the above-described aqueous resin having a carboxyl group, and / or the above-described oil-based resin having a carboxyl group, and other resins can be used in combination.
- a hydroxyl group-containing polyurethane resin, a hydroxyl group-containing acrylic resin, a hydroxyl group-containing polyester resin, Melamine resin etc. can be used in combination.
- the solid content concentration of the main agent is usually 5% by mass or more, preferably 20% by mass or more, more preferably 30% by mass or more. 80% by mass or less, preferably 70% by mass or less, and more preferably 60% by mass or less.
- the acid value in terms of solid content of the main agent is, for example, 5 mgKOH / g or more, preferably 10 mgKOH / g or more, for example, 200 mgKOH / g or less, preferably 100 mgKOH / g or less.
- curing agent examples include the polycarbodiimide composition described above, and the polycarbodiimide composition and other curing agents (for example, polyisocyanate resin, epoxy resin, etc.) can be used in combination.
- film coating paint examples include, for example, paints for optical members (optical films, optical sheets, etc.), optical coating materials, textile paints, electronic electrical material paints, food packaging paints, medical film paints, Examples include cosmetic package paints, decorative film paints, and release film paints.
- adhesives examples include adhesives for packaging materials, adhesives for electrical equipment, adhesives for liquid crystal displays (LCD), adhesives for organic EL displays, adhesives for organic EL lighting, and display devices (electronic paper and plasma displays) Etc.), adhesives for LEDs, adhesives for interior and exterior for automobiles, adhesives for home appliances, adhesives for solar battery back sheets, adhesives for various batteries (such as lithium ion batteries) and the like.
- LCD liquid crystal displays
- organic EL displays adhesives for organic EL lighting
- display devices electro paper and plasma displays
- LEDs adhesives for LEDs
- adhesives for interior and exterior for automobiles adhesives for home appliances
- adhesives for solar battery back sheets adhesives for various batteries (such as lithium ion batteries) and the like.
- examples of the resin for ink include vehicles of various inks (plate ink, screen ink, flexo ink, gravure ink, jet ink, etc.).
- polycarbodiimide composition is not limited to the above.
- a hydrolysis-resistant inhibitor such as polyester polyol, acid modification, for example, Compounding with maleic acid-modified polyolefin, or polyolefin emulsion in which acid-modified polyolefin is dispersed in water, compounding with acrylic emulsion containing acid sites, curing agent, converging material for various fibers such as carbon fiber and glass fiber, CFRP, It can be suitably used as a reinforcing material for fiber reinforced plastic such as FRP, a sizing agent or a curing agent.
- the intensity ratio of the absorbance IR CI in the vicinity of 2120 cm ⁇ 1 derived from the stretching vibration of the carbodiimide group to the absorbance IR UI + U in the vicinity of 1720 cm ⁇ 1 derived from the C ⁇ O stretching vibration of the uretonimine group and the urethane group (IR CI / IR UI + U ) was calculated.
- IR measuring device Frontier FT-IR manufactured by Perkin Elmer Measurement method: ATR (reflection method) Wave number range: 4000-400cm -1 Resolution 4cm -1
- ATR reflection method
- Production Example 1 (Production of pentamethylene diisocyanate) 99.9% by mass of 1,5-pentamethylene diisocyanate (hereinafter sometimes abbreviated as PDI) was obtained by the same operation as in Example 1 in the specification of International Publication Pamphlet WO2012 / 121291.
- PDI 1,5-pentamethylene diisocyanate
- o-dichlorobenzene 2000 mass Prepared the department. Subsequently, 2300 mass parts of phosgene was added from the phosgene introduction line, and stirring was started. Cold water was passed through the reactor jacket to maintain the internal temperature at about 10 ° C. A solution obtained by dissolving 400 parts by mass of pentamethylenediamine (a) in 2600 parts by mass of o-dichlorobenzene was fed with a feed pump over 60 minutes, and cold phosgenation was started at 30 ° C. or lower and normal pressure. . After the feed was completed, the inside of the pressurized reactor became a pale brown white slurry.
- the pentamethylene diisocyanate (a 1 ) after the heat treatment was charged into a glass flask, and a distillation (packed with Sumitomo Heavy Industries, Ltd., trade name: Sumitomo / Sulzer Lab Packing EX type) was packed with 4 elements.
- a rectifier equipped with a tube a distillation column equipped with a reflux ratio adjusting timer (manufactured by Shibata Kagaku Co., Ltd., trade name: distillation head K type), and a condenser, conditions of 127 to 132 ° C. and 2.7 KPa
- rectification was performed while further refluxing, and a fraction having a distillation rate of 20 to 80% was collected to obtain pentamethylene diisocyanate (a).
- Example 1 Provide of polycarbodiimide composition
- 100.0 parts by mass of the pentamethylene diisocyanate obtained in Production Example 1 at room temperature 100.0 parts by mass of the pentamethylene diisocyanate obtained in Production Example 1 at room temperature, 40.0 parts by mass of UNIOX M550 (manufactured by NOF Corporation, polyethylene glycol monomethyl ether, molecular weight 550) and 6.0 parts by mass of 1-methoxy-2-propanol were charged. While introducing nitrogen, the mixture was heated to 80 ° C. under normal pressure and stirred for 6 hours (first urethanization step).
- the mixture was cooled to 80 ° C., and xylene was distilled off under reduced pressure to obtain a polycarbodiimide composition.
- the IR intensity ratio (IR CI / IR UI + U ) was 2.83.
- the ratio of the uretonimine group to the total moles of the carbodiimide group and the uretonimine group was 6.9 mol%.
- aqueous dispersion composition aqueous dispersion composition
- the polycarbodiimide composition was placed in a flask, heated to 80 ° C, and distilled water was gradually added so that the resin solid content was 40%. . After stirring for 5 minutes, it was cooled to room temperature. This obtained the water dispersion of the polycarbodiimide composition. Thereafter, water dispersibility was evaluated by the method described later.
- Example 2 In a four-necked flask equipped with a stirrer, a thermometer, a reflux tube, and a nitrogen introduction tube, 100.0 parts by mass of pentamethylene diisocyanate obtained in Production Example 1 and 40.0 of UNIOX M550 were obtained at room temperature. 12.8 parts by mass of 1 part by weight of 1-methoxy-2-propanol was charged. While introducing nitrogen, the mixture was heated to 80 ° C. under normal pressure and stirred for 6 hours (urethanization step).
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 3 Instead of UNIOX M550, 39.0 parts by weight of UNIOX M400 (polyethylene glycol monomethyl ether molecular weight 400 manufactured by NOF Corporation), 10.7 parts by weight of 1-methoxy-2-propanol and 314.1 parts by weight of xylene are used.
- a polycarbodiimide composition was obtained in the same manner as in Example 2 except that the mixture was stirred for 8.5 hours under reflux (141 ° C.).
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 4 Example except that 51.0 parts by mass of UNIOX M550, 30.6 parts by mass of 1-methoxy-2-propanol and 380.2 parts by mass of xylene were used and stirred at reflux (141 ° C.) for 8 hours. 2 was used to obtain a polycarbodiimide composition.
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 5 Example except that 47.4 parts by weight of UNIOX M550, 21.5 parts by weight of 1-methoxy-2-propanol and 353.9 parts by weight of xylene were used and stirred at reflux (141 ° C.) for 8 hours. 2 was used to obtain a polycarbodiimide composition.
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 6 Except using 43.0 parts by mass of UNIOX M550, 9.7 parts by mass of 1-methoxy-2-propanol, and 320.2 parts by mass of xylene and stirring at reflux (141 ° C.) for 8.5 hours, A polycarbodiimide composition was obtained in the same manner as in Example 2.
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 7 Example except that 35.7 parts by weight of UNIOX M550, 5.8 parts by weight of 1-methoxy-2-propanol, and 297.2 parts by weight of xylene were used and stirred at reflux (141 ° C.) for 9 hours. 2 was used to obtain a polycarbodiimide composition.
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 8 Polycarbodiimide was prepared in the same manner as in Example 2 except that 43.0 parts by weight of UNIOX M550, 10.7 parts by weight of cyclohexanol and 322.5 parts by weight of xylene were used instead of 1-methoxy-2-propanol. A composition was obtained.
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 9 Except for using 11.7 parts by weight of UNIOX M550, 14.8 parts by weight of 1-methoxy-2-propanol and 263.8 parts by weight of xylene and stirring at reflux (141 ° C.) for 8.5 hours.
- a polycarbodiimide composition was obtained in the same manner as in Example 2.
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 10 (polyethylene glycol monomethyl ether, molecular weight 1000, manufactured by NOF Corporation) was used in an amount of 89.2 parts by mass, 2.1 parts by mass of 1-methoxy-2-propanol and 400.2 parts by mass of xylene under reflux (141 The polycarbodiimide composition was obtained by the same method as Example 2 except having stirred at 8.5 degreeC for 8.5 hours.
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 11 A polycarbodiimide composition was obtained in the same manner as in Example 6 except that 320.2 parts by mass of butyl acetate was used instead of xylene and the mixture was stirred at 128 ° C. for 12 hours.
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 12 A polycarbodiimide composition was obtained in the same manner as in Example 6 except that 320.2 parts by mass of propylene glycol monomethyl ether acetate (PMA) was used instead of xylene and the mixture was stirred at 128 ° C. for 4 hours.
- PMA propylene glycol monomethyl ether acetate
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 13 instead of 3-methyl-1-phenyl-2-phosphorin-1-oxide (MPPO), 2.00 parts by mass of 1-ethyl-3-methyl-3-phosphorin-1-oxide (EMPO) was used and refluxed.
- EMPO 1-ethyl-3-methyl-3-phosphorin-1-oxide
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 14 23.8 parts by weight of UNIOX M550, 3.9 parts by weight of 1-methoxy-2-propanol, and 518.7 parts by weight of propylene glycol monomethyl ether acetate (PMA) instead of xylene were used under reflux (150 ° C. ) To obtain a polycarbodiimide composition in the same manner as in Example 2, except that the mixture was stirred for 10 hours.
- PMA propylene glycol monomethyl ether acetate
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 15 Instead of xylene, 22.3 parts by mass of UNIOX M550, 3.7 parts by mass of 1-methoxy-2-propanol, ethylene glycol diethyl ether 1,2-diethoxyethane (trade name: ethyl glyme, Sankyo Chemical Co., Ltd.) A polycarbodiimide composition was obtained in the same manner as in Example 2 except that 511.8 parts by mass of the product was used and stirred at reflux (125 ° C.) for 16 hours.
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 16 In a four-necked flask equipped with a stirrer, a thermometer, a reflux tube, and a nitrogen introduction tube, 100.0 parts by mass of hexamethylene diisocyanate instead of pentamethylene diisocyanate and 39.4 masses of UNIOX M550 at room temperature 8.9 parts by mass of 1-methoxy-2-propanol was charged. While introducing nitrogen, the mixture was heated to 80 ° C. under normal pressure and stirred for 6 hours (urethanization step).
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 17 To a four-necked flask equipped with a stirrer, a thermometer, a reflux tube, and a nitrogen introduction tube, 100.0 parts by mass of 1,3-xylylene diisocyanate and 36.8 parts by mass of UNIOX M550 at room temperature, 7.7 parts by mass of 1-methoxy-2-propanol was charged. While introducing nitrogen, the mixture was heated to 80 ° C. under normal pressure and stirred for 2 hours (urethanization step).
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 18 In a four-necked flask equipped with a stirrer, thermometer, reflux tube, and nitrogen introduction tube, 100.0 parts by mass of 1,3-bis (isocyanatomethyl) cyclohexane and 35. UNIOX M550 at room temperature. 6 parts by mass and 7.4 parts by mass of 1-methoxy-2-propanol were charged. While introducing nitrogen, the mixture was heated to 80 ° C. under normal pressure and stirred for 8 hours (urethanization step).
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 19 A four-necked flask equipped with a stirrer, thermometer, reflux tube, and nitrogen inlet tube was charged with 100.0 parts by mass of isophorone diisocyanate, 31.1 parts by mass of UNIOX M550, 1-methoxy-2 at room temperature. -6.5 parts by weight of propanol was charged. While introducing nitrogen, the mixture was heated to 80 ° C. under normal pressure and stirred for 10 hours (urethanization step).
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 20 Provide of polycarbodiimide composition
- 100.0 parts by mass of pentamethylene diisocyanate, 1-methoxy-2-propanol at room temperature was charged at 16.7 parts by mass. While introducing nitrogen, the mixture was heated to 80 ° C. under normal pressure and stirred for 8.5 hours (urethanization step).
- the obtained polycarbodiimide composition was taken out and analyzed in the same manner as in Example 1.
- the IR intensity ratio (IR CI / IR UI + U ) was 2.3.
- the ratio of the uretonimine group to the total moles of the carbodiimide group and the uretonimine group was 7.1 mol%.
- polycarbodiimide composition solution solution composition
- the polycarbodiimide composition was placed in a flask, heated to 80 ° C, and butyl acetate was gradually added so that the resin solid content was 40%. After stirring for 5 minutes, it was cooled to room temperature. This obtained the solution of the polycarbodiimide composition.
- Example 21 In a four-necked flask equipped with a stirrer, thermometer, reflux tube, and nitrogen introduction tube, 42.0 parts by mass of 1,3-bis (isocyanatomethyl) cyclohexane, 52.9 parts by mass of UNIOX M550, 10.8 parts by mass of 1-methoxy-2-propanol was charged. While introducing nitrogen, the mixture was heated to 80 ° C. under normal pressure and stirred for 7 hours (urethanization step).
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 22 A four-necked flask equipped with a stirrer, a thermometer, a reflux tube, and a nitrogen introduction tube was charged with 100 parts by mass of pentamethylene diisocyanate and 10.8 parts by mass of 1-methoxy-2-propanol. While introducing nitrogen, the mixture was heated to 80 ° C. under normal pressure and stirred for 6 hours. In addition, 42.0 parts by mass of 1,3-bis (isocyanatomethyl) cyclohexane and 52.9 parts by mass of UNIOX M550 were added to a four-necked flask equipped with a stirrer, a thermometer, a reflux tube, and a nitrogen introduction tube. The part was charged. While introducing nitrogen, the mixture was heated to 80 ° C. under normal pressure and stirred for 7 hours. (Urethaneization process).
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Comparative Example 1 Example except that 118.9 parts by weight of UNIOX M550, 39.0 parts by weight of 1-methoxy-2-propanol and 538.2 parts by weight of xylene were used and stirred at reflux (141 ° C.) for 7 hours. 2 was used to obtain a polycarbodiimide composition.
- an aqueous dispersion of the polycarbodiimide composition was prepared in the same manner as in Example 1, and a resin composition was prepared.
- Example 6 Comparative Example 3 Example 6 was repeated except that 320.2 parts by mass of toluene was used instead of xylene and the mixture was stirred at 115 ° C., but the reaction solution solidified after 20 hours at 115 ° C.
- Table 4 shows the results of analyzing the obtained polycarbodiimide composition.
- Example 6 Comparative Example 4 Example 6 was repeated except that 320.2 parts by mass of tetralin was used in place of xylene and the mixture was stirred at 195 ° C., but the reaction solution was solidified after 4 hours at 195 ° C.
- Table 4 shows the results of analyzing the obtained polycarbodiimide composition.
- Comparative Example 5 A polycarbodiimide composition was synthesized with reference to the method described in Synthesis Example 83 of Japanese Patent No. 3630527.
- Table 4 shows the results of analyzing the obtained polycarbodiimide composition.
- Table 4 shows the results of analyzing the obtained polycarbodiimide composition.
- Example and comparative example whose water dispersibility evaluation was 1 since it was difficult to evaluate a coating film correctly (after-mentioned), the coating film was not evaluated.
- the resin composition was applied to a standard test plate (JIS-G-3303 SPTE), dried at 80 ° C. for 10 minutes and 30 minutes, and further at room temperature for 1 hour. It dried and the coating film which consists of resin hardened
- ⁇ Solvent resistance (chemical resistance)> Gauze impregnated with methyl ethyl ketone (50% ethanol aqueous solution in Example 20) in the top coating (80 ° C. for 10 minutes and 30 minutes) was rubbed while pressing with a load of 50 g, and the number of times until the coating cracked was measured. did.
- the criteria for evaluation are as follows. 4 The coating film cracked after 300 times or more 3 The coating film cracked after 250 times or more and less than 300 times. 2 The coating film was cracked 100 times or more and less than 250 times. 1 The coating film was cracked in less than 100 times.
- the resin composition of Comparative Example 2 having a high IR intensity ratio contains UNIOX M550 (that is, an alcohol containing three or more consecutive oxyethylene groups) and has sufficient hydrophilic groups. In spite of being contained in, it was inferior in water dispersibility and could not be used.
- the polycarbodiimide composition of the present invention the method for producing the polycarbodiimide composition, the water dispersion composition, the solution composition, the resin composition and the cured resin are a coating material, an adhesive material (adhesive), and an adhesive material (adhesive material). , Inks, sealants, molding materials, foams and optical materials, and also in various fields such as resin modifiers for modifying resins such as polyester, polylactic acid, polyamide and polyimide.
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Abstract
Description
反応に使用した有機溶媒を留去したポリカルボジイミド組成物(以下、「脱溶媒品」と称する。)を常法に従って、下記の装置および条件にてIRスペクトルを測定した。
測定法: ATR(反射法)
波数範囲: 4000~400cm-1
分解能 4cm-1
なお、後述する実施例6のポリカルボジイミド組成物について、上記分析において得られた赤外吸光スペクトルを図1に示す。
脱溶媒品を用い、下記の装置および条件にて13C-NMRを測定し、カルボジイミド基とウレトンイミン基との合計1モルに対する、ウレトンイミン基の含有割合を、以下の式により算出した。なお、化学シフトppmの基準として、CDCL3溶媒中のテトラメチルシラン(0ppm)を用いた。
装置; ECA-500型(日本電子製)
条件; 測定周波数:125MHz、溶媒:CDCL3、溶質濃度:50質量%
測定温度:室温、スキャン回数8500回
繰返し時間:3.0秒、パルス幅:30°(3.70μ秒)
カルボジイミド基(カルボジイミド基内のN=C=N基)の炭素の帰属ピーク:139ppm
ウレトンイミン基(ウレトンイミン基内のC=O基)の炭素の帰属ピーク(3H):155ppm
ウレトンイミン基/(ウレトンイミン基+カルボジイミド基)のモル%=(ウレトンイミン基の炭素の帰属ピークの積分値)/(ウレトンイミン基の炭素の帰属ピークの積分値+カルボジイミド基の帰属ピークの積分値)×100
なお、後述する実施例20のポリカルボジイミド組成物について、上記分析において得られた13C-NMRスペクトルを図2に示す。
ポリカルボジイミド組成物に対するオキシエチレン基の含有割合は、仕込み量および化学構造式から算出した。
アルコール類の総モルに対する3つ以上連続するオキシエチレン基を含有するアルコールの含有割合は、仕込み量および化学構造式から算出した。
国際公開パンフレットWO2012/121291号の明細書における実施例1と同じ操作にて、99.9質量%の1,5-ペンタメチレンジイソシアネート(以後PDIと略する場合がある。)を得た。
・ポリカルボジイミド組成物の製造
撹拌器、温度計、還流管、および窒素導入管を備えた四つ口フラスコに、室温下で、製造例1で得られたペンタメチレンジイソシアネートを100.0質量部、ユニオックスM550(日本油脂社製 ポリエチレングリコールモノメチルエーテル 分子量550)を40.0質量部、1-メトキシ-2-プロパノールを6.0質量部装入した。窒素を導入しながら、常圧下で80℃に加温し、6時間撹拌した(第1ウレタン化工程)。
ポリカルボジイミド組成物をフラスコに入れ、80℃に加温し、樹脂固形分が40%になるように蒸留水を徐々に加えた。5分間撹拌した後に、室温まで冷却した。これにより、ポリカルボジイミド組成物の水分散体を得た。その後、後述の方法で水分散性を評価した。
得られたポリカルボジイミド組成物の水分散体を硬化剤とした。そして、硬化剤1.5質量部と、主剤としてのポリウレタンディスパージョン(固形分30質量%、カルボキシル基当量3100g/mol)98.5質量部とを混合し、樹脂組成物を調製した。
撹拌器、温度計、還流管、および窒素導入管を備えた四つ口フラスコに、室温下で、製造例1で得られたペンタメチレンジイソシアネートを100.0質量部、ユニオックスM550を40.0質量部、1-メトキシ-2-プロパノールを12.8質量部装入した。窒素を導入しながら、常圧下で80℃に加温し、6時間撹拌した(ウレタン化工程)。
ユニオックスM550の代わりにユニオックスM400(日本油脂社製 ポリエチレングリコールモノメチルエーテル 分子量400)を39.0質量部、1-メトキシ-2-プロパノールを10.7質量部、キシレンを314.1質量部使用し、還流下(141℃)で8.5時間撹拌した以外は、実施例2と同じ方法でポリカルボジイミド組成物を得た。
ユニオックスM550を51.0質量部、1-メトキシ-2-プロパノールを30.6質量部、キシレンを380.2質量部使用し、還流下(141℃)で8時間撹拌した以外は、実施例2と同じ方法でポリカルボジイミド組成物を得た。
ユニオックスM550を47.4質量部、1-メトキシ-2-プロパノールを21.5質量部、キシレンを353.9質量部使用し、還流下(141℃)で8時間撹拌した以外は、実施例2と同じ方法でポリカルボジイミド組成物を得た。
ユニオックスM550を43.0質量部、1-メトキシ-2-プロパノールを9.7質量部、キシレンを320.2質量部使用し、還流下(141℃)で8.5時間撹拌した以外は、実施例2と同じ方法でポリカルボジイミド組成物を得た。
ユニオックスM550を35.7質量部、1-メトキシ-2-プロパノールを5.8質量部、キシレンを297.2質量部使用し、還流下(141℃)で9時間撹拌した以外は、実施例2と同じ方法でポリカルボジイミド組成物を得た。
ユニオックスM550を43.0質量部、1-メトキシ-2-プロパノールの代わりにシクロヘキサノールを10.7質量部、キシレンを322.5質量部使用した以外は、実施例2と同じ方法でポリカルボジイミド組成物を得た。
ユニオックスM550を11.7質量部、1-メトキシ-2-プロパノールを14.8質量部、キシレンを263.8質量部使用し、還流下(141℃)で8.5時間撹拌した以外は、実施例2と同じ方法でポリカルボジイミド組成物を得た。
ユニオックスM1000(日本油脂社製 ポリエチレングリコールモノメチルエーテル 分子量1000)を89.2質量部、1-メトキシ-2-プロパノールを2.1質量部、キシレンを400.2質量部使用し、還流下(141℃)で8.5時間撹拌した以外は、実施例2と同じ方法でポリカルボジイミド組成物を得た。
キシレンに代えて、酢酸ブチルを320.2質量部使用し、128℃で12時間撹拌した以外は、実施例6と同じ方法でポリカルボジイミド組成物を得た。
キシレンに代えて、プロピレングリコールモノメチルエーテルアセテート(PMA)を320.2質量部使用し、128℃で4時間撹拌した以外は、実施例6と同じ方法でポリカルボジイミド組成物を得た。
3-メチル-1-フェニル-2-ホスホリン-1-オキシド(MPPO)に代えて、1-エチル-3-メチル-3-ホスホリン-1-オキシド(EMPO)を2.00質量部使用し、還流下(141℃)で5時間撹拌した以外は、実施例6と同じ方法でポリカルボジイミド組成物を得た。
ユニオックスM550を23.8質量部、1-メトキシ-2-プロパノールを3.9質量部、キシレンの代わりにプロピレングリコールモノメチルエーテルアセテート(PMA)を518.7質量部使用し、還流下(150℃)で10時間撹拌した以外は、実施例2と同じ方法でポリカルボジイミド組成物を得た。
ユニオックスM550を22.3質量部、1-メトキシ-2-プロパノールを3.7質量部、キシレンに代えて、エチレングリコールジエチルエーテル1,2-ジエトキシエタン(商品名エチルグライム、三協化学社製)を511.8質量部使用し、還流下(125℃)で16時間撹拌した以外は、実施例2と同じ方法でポリカルボジイミド組成物を得た。
撹拌器、温度計、還流管、および窒素導入管を備えた四つ口フラスコに、室温下で、ペンタメチレンジイソシアネートに代えてヘキサメチレンジイソシアネートを100.0質量部、ユニオックスM550を39.4質量部、1-メトキシ-2-プロパノールを8.9質量部装入した。窒素を導入しながら、常圧下で80℃に加温し、6時間撹拌した(ウレタン化工程)。
撹拌器、温度計、還流管、および窒素導入管を備えた四つ口フラスコに、室温下で、1,3-キシリレンジイソシアネートを100.0質量部、ユニオックスM550を36.8質量部、1-メトキシ-2-プロパノールを7.7質量部装入した。窒素を導入しながら、常圧下で80℃に加温し、2時間撹拌した(ウレタン化工程)。
撹拌器、温度計、還流管、および窒素導入管を備えた四つ口フラスコに、室温下で、1,3-ビス(イソシアナトメチル)シクロヘキサンを100.0質量部、ユニオックスM550を35.6質量部、1-メトキシ-2-プロパノールを7.4質量部装入した。窒素を導入しながら、常圧下で80℃に加温し、8時間撹拌した(ウレタン化工程)。
撹拌器、温度計、還流管、および窒素導入管を備えた四つ口フラスコに、室温下で、イソホロンジイソシアネートを100.0質量部、ユニオックスM550を31.1質量部、1-メトキシ-2-プロパノールを6.5質量部装入した。窒素を導入しながら、常圧下で80℃に加温し、10時間撹拌した(ウレタン化工程)。
・ポリカルボジイミド組成物の製造
撹拌器、温度計、還流管、および窒素導入管を備えた四つ口フラスコに、室温下で、ペンタメチレンジイソシアネートを100.0質量部、1-メトキシ-2-プロパノールを16.7質量部装入した。窒素を導入しながら、常圧下で80℃に加温し、8.5時間撹拌した(ウレタン化工程)。
ポリカルボジイミド組成物をフラスコに入れ、80℃に加温し、樹脂固形分が40%になるように酢酸ブチルを徐々に加えた。5分間撹拌した後に、室温まで冷却した。これにより、ポリカルボジイミド組成物の溶液を得た。
得られたポリカルボジイミド組成物の溶液を硬化剤とした。そして、硬化剤1.0質量部と、主剤としてのアクリル樹脂(固形分50質量%、固形分のカルボキシル基当量2004g/mol)39.2質量部と、溶剤としての酢酸ブチル59.8質量部とを混合し、樹脂組成物を調製した。
撹拌器、温度計、還流管、および窒素導入管を備えた四つ口フラスコに、1,3-ビス(イソシアナトメチル)シクロヘキサンを42.0質量部、ユニオックスM550を52.9質量部、1-メトキシ-2-プロパノールを10.8質量部装入した。窒素を導入しながら、常圧下で80℃に加温し、7時間撹拌した(ウレタン化工程)。
撹拌器、温度計、還流管、および窒素導入管を備えた四つ口フラスコに、ペンタメチレンジイソシアネートを100質量部、1-メトキシ-2-プロパノールを10.8質量部装入した。窒素を導入しながら、常圧下で80℃に加温し、6時間撹拌した。また、撹拌器、温度計、還流管、および窒素導入管を備えた四つ口フラスコに、1,3-ビス(イソシアナトメチル)シクロヘキサンを42.0質量部、ユニオックスM550を52.9質量部装入した。窒素を導入しながら、常圧下で80℃に加温し、7時間撹拌した。(ウレタン化工程)。
ユニオックスM550を118.9質量部、1-メトキシ-2-プロパノールを39.0質量部、キシレンを538.2質量部使用し、還流下(141℃)で7時間撹拌した以外は、実施例2と同じ方法でポリカルボジイミド組成物を得た。
ユニオックスM550を17.8質量部、1-メトキシ-2-プロパノールを2.92質量部、キシレンに代えてPMAを491.1質量部使用し、還流下(150℃)で11時間撹拌した以外は、実施例2と同じ方法でポリカルボジイミド組成物を得た。
キシレンに代えてトルエンを320.2質量部使用し、115℃で撹拌した以外は、実施例6を繰り返したが、115℃で20時間が経過したところで、反応液が固化してしまった。
キシレンに代えてテトラリンを320.2質量部使用し、195℃で撹拌した以外は、実施例6を繰り返したが、195℃で4時間が経過したところで、反応液が固化してしまった。
特許第3630527号の合成例83に記載されている方法を参考にポリカルボジイミド組成物を合成した。
米国特許US2853473Aの実施例8に記載されている方法を参考にポリカルボジイミド組成物を合成した。
・流動性の評価
反応に使用した有機溶媒を留去したポリカルボジイミド組成物の流動性を目視により評価した。評価の基準を下記する。
3 良好な流動性を保っていた。
2 流動しにくかったが、固化はしていなかった。
1 固化してしまい、流動性を完全に失っていた。
ポリカルボジイミド組成物(実施例20を除く。)の水分散体の調製において、ポリカルボジイミド組成物の水分散性を目視により評価した。評価の基準を下記する。
4 ブツが確認されず、良好に分散していた。
3 わずかにブツが確認されたが、分散はしていた。
2 ブツが確認されたが、一部は分散していた。
1 まったく分散せず、沈降してしまった。
250ミルのドクターブレードを用いて、樹脂組成物を標準試験板(JIS-G-3303 SPTE)に塗布した後、80℃で10分間および30分間乾燥させ、さらに室温で1時間乾燥させ、樹脂硬化物からなる塗膜を得た。得られた塗膜を下記の方法で評価した。
塗膜(80℃10分間)の外観を目視で評価した。評価の基準を下記する。
4 クリアで平滑な塗膜が確認された。
3 わずかにブツが確認された。
2 ブツが確認された。
1 多くのブツが確認された。
塗膜(80℃10分間)上に、蒸留水をスポットして、23℃24時間後の塗膜外観の変化を目視で確認した。評価の基準を下記する。
4 変化が確認されなかった。
3 わずかに白化が確認された。
2 やや白化が確認された。
1 白化が確認された。
上塗膜(80℃10分間及び30分間)に、メチルエチルケトン(実施例20では50%エタノール水溶液)を浸透させたガーゼを、50gの荷重で押し当てながら擦り、塗膜が割れるまでの回数を測定した。評価の基準を下記する。
4 300回以上で塗膜が割れた
3 250回以上300回未満で塗膜が割れた。
2 100回以上250回未満で塗膜が割れた。
1 100回未満で塗膜が割れた。
IR強度比(IRCI/IRUI+U)が低い比較例1の樹脂組成物は、水分散性および成膜性には優れるものの、塗膜の耐水性および耐薬品性に劣っていた。
Claims (14)
- 1級イソシアネート基を有するポリイソシアネートと、アルコール類との反応生成物であり、
カルボジイミド基とウレトンイミン基とを含み、
赤外吸光スペクトルにおいて、
カルボジイミド基の伸縮振動由来の2120cm-1付近の吸光度IRCIの、
ウレトンイミン基およびウレタン基の伸縮振動由来の1720cm-1付近の吸光度IRUI+Uに対する強度比(IRCI/IRUI+U)が、1.5以上4.5以下である
ことを特徴とする、ポリカルボジイミド組成物。 - 前記ポリカルボジイミド組成物において、カルボジイミド基とウレトンイミン基との総モルに対するウレトンイミン基の割合が、1.5モル%以上15モル%以下である
ことを特徴とする、請求項1に記載のポリカルボジイミド組成物。 - 前記アルコール類の水酸基に対する、前記ポリイソシアネートのイソシアネート基の当量比(NCO/OH)が、2を超過し16以下であることを特徴とする、
請求項1に記載のポリカルボジイミド組成物。 - 前記アルコール類が、3つ以上連続するオキシエチレン基を含有するアルコールを含有し、
3つ以上連続するオキシエチレン基の含有割合が、前記ポリカルボジイミド組成物に対して、10質量%以上40質量%以下である
ことを特徴とする、請求項1に記載のポリカルボジイミド組成物。 - 前記アルコール類が、3つ以上連続するオキシエチレン基を含有するアルコールを含有し、
3つ以上連続するオキシエチレン基を含有する前記アルコールの含有割合が、前記アルコール類の総モルに対して、5モル%以上50モル%以下である
ことを特徴とする、請求項1に記載のポリカルボジイミド組成物。 - 前記ポリイソシアネートが脂肪族ポリイソシアネートである
ことを特徴とする、請求項1に記載のポリカルボジイミド組成物。 - 前記脂肪族ポリイソシアネートがペンタメチレンジイソシアネートである
ことを特徴とする、請求項6に記載のポリカルボジイミド組成物。 - 請求項1に記載のポリカルボジイミド組成物を製造する方法であって、
前記ポリイソシアネートと前記アルコール類とをウレタン化反応させるウレタン化工程と、
前記ウレタン化工程における反応生成物を、カルボジイミド化触媒の存在下において加熱し、カルボジイミド化反応させるカルボジイミド化工程と
を備えることを特徴とする、ポリカルボジイミド組成物の製造方法。 - 前記カルボジイミド化反応における反応温度が、125℃以上160℃以下である
ことを特徴とする、請求項8に記載のポリカルボジイミド組成物の製造方法。 - 還流下において前記カルボジイミド化反応させることを特徴とする、請求項8に記載のポリカルボジイミド組成物の製造方法。
- 請求項1に記載のポリカルボジイミド組成物が、
固形分濃度5質量%以上90質量%以下の割合で水に分散された水分散液である
ことを特徴とする、水分散組成物。 - 請求項1に記載のポリカルボジイミド組成物が、
固形分濃度5質量%以上90質量%以下の割合で有機溶媒に溶解された溶液である
ことを特徴とする、溶液組成物。 - カルボキシル基を有する主剤と、
請求項1に記載のポリカルボジイミド組成物を含む硬化剤と
を含有することを特徴とする、樹脂組成物。 - 請求項13に記載の樹脂組成物の硬化物であることを特徴とする、樹脂硬化物。
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WO2020031951A1 (ja) | 2018-08-10 | 2020-02-13 | 三井化学株式会社 | ポリカルボジイミド組成物、ポリカルボジイミド組成物の製造方法、水分散組成物、溶液組成物、樹脂組成物、樹脂硬化物および繊維処理用カルボジイミド架橋剤 |
JP2020183477A (ja) * | 2019-05-08 | 2020-11-12 | 三井化学株式会社 | ポリカルボジイミド組成物およびポリカルボジイミド組成物の製造方法 |
KR20210027421A (ko) | 2018-08-10 | 2021-03-10 | 미쓰이 가가쿠 가부시키가이샤 | 폴리카보다이이미드 조성물, 폴리카보다이이미드 조성물의 제조 방법, 수분산 조성물, 용액 조성물, 수지 조성물, 수지 경화물 및 섬유 처리용 카보다이이미드 가교제 |
US11390751B2 (en) | 2017-02-16 | 2022-07-19 | Mitsui Chemicals, Inc. | Polycarbodiimide composition, method for producing a polycarbodiimide composition, water-dispersed composition, solution composition, resin composition, and cured resin |
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DE102019106021A1 (de) | 2019-03-08 | 2020-09-10 | HÜTTENES-ALBERTUS Chemische Werke Gesellschaft mit beschränkter Haftung | Formaldehyd-Fänger für Bindemittelsysteme |
WO2022128055A1 (en) | 2020-12-14 | 2022-06-23 | Toyota Motor Europe | Method for producing a carbon fibre reinforced plastic |
CN112920412B (zh) * | 2021-04-15 | 2022-12-27 | 上海朗亿功能材料有限公司 | 一种含聚碳化二亚胺的聚乳酸树脂及其制备方法 |
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- 2017-01-05 MX MX2018005270A patent/MX2018005270A/es unknown
- 2017-01-05 TW TW106100553A patent/TWI719106B/zh active
- 2017-01-05 US US15/576,204 patent/US10011677B2/en active Active
- 2017-01-05 EP EP17735980.9A patent/EP3296338B1/en active Active
- 2017-01-05 CN CN201780001684.9A patent/CN107614557B/zh active Active
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Publication number | Priority date | Publication date | Assignee | Title |
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US11390751B2 (en) | 2017-02-16 | 2022-07-19 | Mitsui Chemicals, Inc. | Polycarbodiimide composition, method for producing a polycarbodiimide composition, water-dispersed composition, solution composition, resin composition, and cured resin |
WO2020031951A1 (ja) | 2018-08-10 | 2020-02-13 | 三井化学株式会社 | ポリカルボジイミド組成物、ポリカルボジイミド組成物の製造方法、水分散組成物、溶液組成物、樹脂組成物、樹脂硬化物および繊維処理用カルボジイミド架橋剤 |
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JP2020183477A (ja) * | 2019-05-08 | 2020-11-12 | 三井化学株式会社 | ポリカルボジイミド組成物およびポリカルボジイミド組成物の製造方法 |
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Also Published As
Publication number | Publication date |
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EP3296338B1 (en) | 2020-04-01 |
EP3296338A4 (en) | 2018-10-31 |
CN107614557B (zh) | 2018-10-12 |
CN107614557A (zh) | 2018-01-19 |
MX2018005270A (es) | 2018-08-01 |
TWI719106B (zh) | 2021-02-21 |
EP3296338A1 (en) | 2018-03-21 |
TW201736508A (zh) | 2017-10-16 |
US10011677B2 (en) | 2018-07-03 |
JPWO2017119443A1 (ja) | 2018-01-11 |
KR102056551B1 (ko) | 2019-12-16 |
JP6170272B1 (ja) | 2017-07-26 |
US20180148533A1 (en) | 2018-05-31 |
BR112018013676A2 (pt) | 2019-01-22 |
KR20180050705A (ko) | 2018-05-15 |
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