WO2022210112A1 - 硬化性ポリウレタン樹脂組成物、硬化物および積層体 - Google Patents
硬化性ポリウレタン樹脂組成物、硬化物および積層体 Download PDFInfo
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- WO2022210112A1 WO2022210112A1 PCT/JP2022/013214 JP2022013214W WO2022210112A1 WO 2022210112 A1 WO2022210112 A1 WO 2022210112A1 JP 2022013214 W JP2022013214 W JP 2022013214W WO 2022210112 A1 WO2022210112 A1 WO 2022210112A1
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- WO
- WIPO (PCT)
- Prior art keywords
- meth
- resin composition
- curable polyurethane
- acrylate
- polyurethane resin
- Prior art date
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- 239000011342 resin composition Substances 0.000 title claims abstract description 73
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- 229920005862 polyol Polymers 0.000 claims abstract description 78
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 72
- 150000001875 compounds Chemical class 0.000 claims abstract description 54
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- 229920001228 polyisocyanate Polymers 0.000 claims abstract description 45
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 82
- 125000000623 heterocyclic group Chemical group 0.000 claims description 39
- 239000000047 product Substances 0.000 claims description 37
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- ROORDVPLFPIABK-UHFFFAOYSA-N diphenyl carbonate Chemical compound C=1C=CC=CC=1OC(=O)OC1=CC=CC=C1 ROORDVPLFPIABK-UHFFFAOYSA-N 0.000 description 1
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Natural products C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 1
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- LHGVFZTZFXWLCP-UHFFFAOYSA-N guaiacol Chemical compound COC1=CC=CC=C1O LHGVFZTZFXWLCP-UHFFFAOYSA-N 0.000 description 1
- SXCBDZAEHILGLM-UHFFFAOYSA-N heptane-1,7-diol Chemical compound OCCCCCCCO SXCBDZAEHILGLM-UHFFFAOYSA-N 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
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- OTLDLKLSNZMTTA-UHFFFAOYSA-N octahydro-1h-4,7-methanoindene-1,5-diyldimethanol Chemical compound C1C2C3C(CO)CCC3C1C(CO)C2 OTLDLKLSNZMTTA-UHFFFAOYSA-N 0.000 description 1
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 1
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- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
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- 229920001610 polycaprolactone Polymers 0.000 description 1
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- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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- 238000010248 power generation Methods 0.000 description 1
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- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
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- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 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
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/10—Esters
- C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
- C08F290/067—Polyurethanes; Polyureas
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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
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/24—Catalysts containing metal compounds of tin
- C08G18/242—Catalysts containing metal compounds of tin organometallic compounds containing tin-carbon bonds
-
- 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
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/343—Polycarboxylic acids having at least three carboxylic acid groups
-
- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
-
- 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
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/671—Unsaturated compounds having only one group containing active hydrogen
- C08G18/672—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
-
- 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
- C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
- C08G18/725—Combination of polyisocyanates of C08G18/78 with other polyisocyanates
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
- C08G18/791—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups
- C08G18/792—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups formed by oligomerisation of aliphatic and/or cycloaliphatic isocyanates or isothiocyanates
-
- 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
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
- C09D175/16—Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
Definitions
- the present invention provides a curable polyurethane resin composition, a cured product and a laminate, more specifically, a curable polyurethane resin composition that is cured by irradiation with active energy rays, a cured product thereof, and a laminate comprising a cured film comprising the cured product. Regarding.
- Urethane acrylate is used in a wide range of fields, such as coating materials for various industrial products, inks, adhesives, and adhesives.
- a urethane resin obtained by reacting a plant-derived polyisocyanate containing pentamethylene diisocyanate and/or a derivative thereof, a polyol, and an ethylenically unsaturated group and a hydroxyl group-containing unsaturated compound containing a hydroxyl group.
- a curable polyurethane resin composition containing has been proposed (see, for example, Patent Document 1).
- a cured product is obtained by adding a polyfunctional (meth)acrylate to a curable polyurethane resin composition and then irradiating it with active energy rays to crosslink the urethane resin.
- the present invention is a curable polyurethane resin composition capable of suppressing turbidity, a cured product thereof, and a laminate comprising a cured film made of the cured product.
- the present invention [1] comprises a polyisocyanate component containing an aliphatic diisocyanate and / or a derivative thereof, a plant-derived heterocyclic ring-containing plant-derived polyol containing a heterocyclic structure, and an ethylenically unsaturated group and a hydroxyl group.
- a curable polyurethane resin composition comprising a reaction product with a hydroxyl component comprising a hydroxyl group-containing unsaturated compound.
- the present invention [2] includes the curable polyurethane resin composition according to [1] above, wherein the aliphatic diisocyanate contains plant-derived 1,5-pentamethylene diisocyanate.
- the present invention includes the curable polyurethane resin composition according to [1] or [2] above, wherein the heterocycle-containing plant-derived polyol is an isosorbide-modified polycarbonate polyol.
- the present invention [4] further includes a polyfunctional (meth)acrylate having three or more ethylenically unsaturated groups, wherein the polyfunctional (meth)acrylate is 30 per 100 parts by mass of the reaction product. It contains the curable polyurethane resin composition according to any one of [1] to [3], which is contained in an amount of 1 part by mass or more.
- the present invention [5] includes a cured product of the curable polyurethane resin composition according to any one of [1] to [4] above.
- the present invention [6] includes the cured product according to [5] above, which has a haze of less than 0.5%.
- the present invention [7] includes a laminate comprising an object to be coated and a cured film made of the cured product described in [5] or [6] above in the thickness direction.
- the curable polyurethane resin composition of the present invention contains a plant-derived heterocyclic ring-containing plant-derived polyol containing a heterocyclic structure as a polyol. Therefore, the turbidity of the cured product obtained by curing the curable polyurethane resin composition can be suppressed while reducing the environmental load. As a result, the laminate of the present invention comprising the cured product of the present invention and the cured film made of the cured product can suppress turbidity of the cured film while reducing the environmental load.
- FIG. 1 is a schematic diagram showing one embodiment of the method for manufacturing a laminate of the present invention.
- FIG. 1A shows the first step of preparing an object to be coated.
- FIG. 1B shows the second step of arranging a cured film on one side in the thickness direction of the object to be coated.
- the curable polyurethane resin composition of the present invention contains a reaction product of a polyisocyanate component and a hydroxyl component.
- the reaction product is a urethane resin.
- the hydroxyl component contains a hydroxyl group-containing unsaturated compound, the reaction product is an active energy ray-curable urethane resin.
- the polyisocyanate component contains aliphatic diisocyanates and/or derivatives thereof.
- Aliphatic diisocyanates include, for example, hexamethylene diisocyanate (hexane diisocyanate) (HDI), pentamethylene diisocyanate (pentane diisocyanate) (PDI), tetramethylene diisocyanate, trimethylene diisocyanate, 1,2-, 2,3- or 1, 3-butylene diisocyanate and 2,4,4- or 2,2,4-trimethylhexamethylene diisocyanate.
- HDI hexamethylene diisocyanate
- PDI pentamethylene diisocyanate
- trimethylene diisocyanate 1,2-, 2,3- or 1, 3-butylene diisocyanate
- 2,4,4- or 2,2,4-trimethylhexamethylene diisocyanate 2,4,4- or 2,2,4-trimethylhexamethylene diisocyanate.
- hexamethylene diisocyanate examples include 1,2-hexamethylene diisocyanate, 1,3-hexamethylene diisocyanate, 1,4-hexamethylene diisocyanate, 1,5-hexamethylene diisocyanate, 1,6-hexamethylene diisocyanate, and 2,5-hexamethylene diisocyanate, preferably 1,6-hexamethylene diisocyanate.
- pentamethylene diisocyanate examples include 1,5-pentamethylene diisocyanate, 1,4-pentamethylene diisocyanate, and 1,3-pentamethylene diisocyanate, preferably 1,5-pentamethylene diisocyanate.
- the aliphatic diisocyanates preferably include hexamethylene diisocyanate and pentamethylene diisocyanate, more preferably pentamethylene diisocyanate, and still more preferably 1,5-pentamethylene diisocyanate.
- 1,5-pentamethylene diisocyanate is particularly preferably derived from plants.
- Plant-derived 1,5-pentamethylene diisocyanate can be obtained by enzymatic decarboxylation of lysine.
- a method for producing such plant-derived 1,5-pentamethylene diisocyanate is described in the specification of International Publication WO2012/121291.
- biomass degree of such 1,5-pentamethylene diisocyanate is, for example, 10% or higher, preferably 50% or higher, more preferably 60% or higher, and still more preferably 65% or higher. 80% or less.
- the aliphatic diisocyanate can be used alone or in combination of two or more.
- Derivatives of aliphatic diisocyanates include, for example, oligomers (e.g., dimers, trimers (e.g., isocyanurate derivatives, iminooxadiazinedione derivatives), pentamers, and heptamers of the above-described aliphatic diisocyanates. etc.), allophanate derivatives (e.g., the above-mentioned aliphatic diisocyanates and allophanate derivatives produced by reaction with monohydric alcohols or dihydric alcohols), polyol derivatives (e.g., the above-mentioned aliphatic diisocyanates and trihydric alcohols (e.g., trihydric alcohols).
- oligomers e.g., dimers, trimers (e.g., isocyanurate derivatives, iminooxadiazinedione derivatives), pentamers, and heptamers of the above-described aliphatic
- polyol derivatives (alcohol adducts) produced by reaction with methylolpropane), biuret derivatives (for example, biuret derivatives produced by reaction of the above-mentioned aliphatic diisocyanates with water or amines), urea derivatives (for example, , urea derivatives produced by the reaction of the above-described aliphatic diisocyanate and diamine, etc.), oxadiazinetrione derivatives (for example, the above-mentioned oxadiazinetrione produced by the reaction of the above-described aliphatic diisocyanate and carbon dioxide), carbodiimide derivatives (such as carbodiimide derivatives produced by the decarboxylation condensation reaction of the above-described aliphatic diisocyanate), uretdione derivatives, and uretonimine derivatives, preferably isocyanurate derivatives, more preferably isocyanurate derivatives of pentamethylene diisocyanate
- the biomass degree of the isocyanurate derivative of plant-derived 1,5-pentamethylene diisocyanate is, for example, 10% or more, preferably 50% or more, more preferably 60% or more, still more preferably 65% or more, and For example, 80% or less.
- the derivatives of aliphatic diisocyanates can be used singly or in combination of two or more.
- the polyisocyanate component can also contain other polyisocyanates and/or derivatives thereof.
- polyisocyanates include, for example, aromatic diisocyanates, araliphatic diisocyanates, and alicyclic diisocyanates.
- Aromatic diisocyanates include, for example, 4,4'-, 2,4'- or 2,2'-diphenylmethane diisocyanate or mixtures thereof (MDI), 2,4- or 2,6-tolylene diisocyanate or mixtures thereof (TDI), o-tolidine diisocyanate, 1,5-naphthalene diisocyanate (NDI), m- or p-phenylene diisocyanate or mixtures thereof, 4,4'-diphenyl diisocyanate, and 4,4'-diphenyl ether diisocyanate.
- MDI 4,4'-, 2,4'- or 2,2'-diphenylmethane diisocyanate or mixtures thereof
- TDI 2,4- or 2,6-tolylene diisocyanate or mixtures thereof
- NDI 1,5-naphthalene diisocyanate
- m- or p-phenylene diisocyanate or mixtures thereof 4,4'-diphenyl diis
- xylylene diisocyanate (1,2-, 1,3- or 1,4-xylylene diisocyanate or mixtures thereof) (XDI), 1,3- or 1,4-tetramethylxylylene diisocyanate or mixtures thereof (TMXDI), and ⁇ , ⁇ '-diisocyanate-1,4-diethylbenzene.
- Alicyclic diisocyanates include, for example, 3-isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate (isophorone diisocyanate, IPDI), 4,4′-, 2,4′- or 2,2′-methylenebis ( cyclohexyl isocyanate) or mixtures thereof (H 12 MDI), 1,3- or 1,4-bis(isocyanatomethyl)cyclohexane or mixtures thereof (H 6 XDI), bis(isocyanatomethyl)norbornane (NBDI), 1, 3-cyclopentene diisocyanate, 1,4-cyclohexane diisocyanate, 1,3-cyclohexane diisocyanate, methyl-2,4-cyclohexane diisocyanate, and methyl-2,6-cyclohexane diisocyanate.
- IPDI isophorone diisocyanate
- IPDI isophorone diisocyanate
- Derivatives of other polyisocyanates include the above-mentioned derivatives of aliphatic diisocyanates.
- the mixing ratio of the other polyisocyanate and its derivative is, for example, 1 part by mass or more, preferably 5 parts by mass or more, and, for example, 20 parts by mass or less with respect to 100 parts by mass of the polyisocyanate component.
- polyisocyanates and derivatives thereof can be used alone or in combination of two or more.
- the polyisocyanate component preferably comprises aliphatic diisocyanates and/or derivatives thereof and no other polyisocyanates and derivatives thereof, more preferably no derivatives of aliphatic diisocyanates, comprises aliphatic diisocyanates, or Alternatively, it includes aliphatic diisocyanates and derivatives of aliphatic diisocyanates.
- the content of the aliphatic diisocyanate is, for example, 60 mass parts with respect to the total amount of 100 parts by mass of the aliphatic diisocyanate and the aliphatic diisocyanate derivative. parts or more, preferably 70 parts by mass or more, more preferably 80 parts by mass or more, and, for example, 90 parts by mass or less.
- the content of the derivative of the aliphatic diisocyanate is, for example, 10 parts by mass or more and, for example, 40 parts by mass or less, preferably 30 parts by mass or less, more preferably 20 parts by mass or less.
- the polyisocyanate component does not contain an aliphatic diisocyanate derivative and contains an aliphatic diisocyanate. Thereby, the turbidity of the cured product obtained by curing the curable polyurethane resin composition can be further suppressed.
- Hydroxyl components include heterocycle-containing plant-derived polyols and hydroxyl group-containing unsaturated compounds.
- Heterocycle-containing plant-derived polyol A heterocycle-containing plant-derived polyol is a plant-derived polyol having one or more heterocycles in the molecule.
- heterocycle-containing plant-derived polyols examples include polyols containing a structural unit derived from a dihydroxy compound represented by the following formula (1).
- Structural isomers of the dihydroxy compound represented by the above formula (1) include, for example, isosorbide, isomannide, and isoidet, preferably isosorbide.
- dihydroxy compound represented by the above formula (1) is a plant-derived component.
- polyol can further contain structural units derived from other dihydroxy compounds.
- Structural units of other dihydroxy compounds include, for example, a structural unit derived from an aliphatic dihydroxy compound and a structural unit derived from an alicyclic dihydroxy compound (a structural unit derived from a dihydroxy compound represented by the above formula (1) excluding. Same below.).
- aliphatic dihydroxy compounds include linear aliphatic dihydroxy compounds and branched aliphatic dihydroxy compounds.
- Linear aliphatic dihydroxy compounds include, for example, ethylene glycol, 1,3-propanediol, 1,4-butylene glycol, 1,5-pentanediol, 1,6-hexanediol, 1,7-heptanediol, 1,8-octanediol, 1,9-nonanediol, 1,10-decanediol, 1,11-undecanediol, and 1,12-dodecanediol.
- Branched aliphatic dihydroxy compounds include, for example, 1,2-propanediol, 1,3-butanediol, 1,2-butanediol, neopentyl glycol, and hexylene glycol.
- alicyclic dihydroxy compounds examples include 1,2-cyclohexanedimethanol, 1,3-cyclohexanedimethanol, 1,4-cyclohexanedimethanol, tricyclodecanedimethanol, pentacyclopentadecanedimethanol, 2,6- decalindimethanol, 1,5-decalindimethanol, 2,3-decalindimethanol, 2,3-norbornanedimethanol, 2,5-norbornanedimethanol, and 1,3-adamantanedimethanol.
- the polyol is preferably a macropolyol.
- a macropolyol is a high-molecular-weight polyol having a number average molecular weight of 250 or more, preferably 400 or more, for example, 10,000 or less.
- macropolyols examples include polyester polyols, polycaprolactone polyols, polyether polyols, polycarbonate polyols, acrylic polyols, and urethane-modified polyols, preferably polycarbonate polyols.
- Such a polycarbonate polyol is a dihydroxy compound containing a structural unit derived from the dihydroxy compound represented by the above formula (1), and, if necessary, a dihydroxy component containing a dihydroxy compound containing a structural unit derived from another dihydroxy compound. , and a carbonic acid diester (eg, diphenyl carbonate) through a transesterification reaction.
- a carbonic acid diester eg, diphenyl carbonate
- This polycarbonate polyol has a heterocyclic ring and contains structural units derived from the dihydroxy compound represented by the above formula (1), which is a plant-derived component. Therefore, this polycarbonate polyol has a heterocycle and is derived from a plant.
- the dihydroxy compound represented by the above formula (1) is preferably isosorbide. Therefore, this polycarbonate polyol is preferably an isosorbide-modified polycarbonate polyol. That is, the heterocycle-containing plant-derived polyol is preferably an isosorbide-modified polycarbonate polyol. If the heterocycle-containing plant-derived polyol is an isosorbide-modified polycarbonate polyol, the environmental load can be further reduced.
- the heterocycle-containing plant-derived polyols can be used alone or in combination of two or more.
- the biomass degree of the heterocycle-containing plant-derived polyol is, for example, 10% or more, preferably 30% or more, more preferably 40% or more, and, for example, 70% or less.
- a hydroxyl group-containing unsaturated compound has both one or more ethylenically unsaturated groups and one or more hydroxyl groups in the molecule.
- the hydroxyl group-containing unsaturated compound contains at least one ethylenically unsaturated group-containing group selected from acryloyl groups, methacryloyl groups, vinylphenyl groups, propenyl ether groups, allyl ether groups and vinyl ether groups. It has one or more and one or more hydroxyl groups.
- the ethylenically unsaturated group-containing group preferably includes an acryloyl group and/or a methacryloyl group, more preferably an acryloyl group.
- hydroxyl group-containing unsaturated compounds include hydroxyl group-containing (meth)acrylates when the ethylenically unsaturated group-containing group is an acryloyl group and/or a methacryloyl group.
- (Meth)acrylic is defined as acrylic and/or methacrylic
- (meth)acrylate is defined as acrylate and/or methacrylate.
- hydroxyl group-containing (meth)acrylates include, for example, monohydroxyl mono(meth)acrylates having one hydroxyl group and one acryloyl group or methacryloyl group in one molecule, for example, hydroxyl Polyhydroxyl mono(meth)acrylate having multiple groups and one acryloyl group or methacryloyl group, e.g., monohydroxyl having one hydroxyl group and multiple acryloyl groups and/or methacryloyl groups in one molecule
- Poly(meth)acrylates include, for example, polyhydroxyl poly(meth)acrylates having multiple hydroxyl groups and multiple acryloyl groups and/or methacryloyl groups in one molecule.
- Monohydroxyl mono(meth)acrylates include, for example, 2-hydroxyethyl (meth)acrylate, 2-hydroxypropyl (meth)acrylate, 4-hydroxybutyl (meth)acrylate, 2-hydroxybutyl (meth)acrylate, 2- phenoxypropyl (meth)acrylate, 4-hydroxycyclohexyl (meth)acrylate, 3-chloro-2-hydroxypropyl (meth)acrylate, 2-hydroxy-3-phenyloxypropyl (meth)acrylate, 2-(meth)acryloyloxy Ethyl-2-hydroxyethyl phthalate, 2-hydroxyalkyl (meth)acryloyl phosphate, pentanediol mono (meth) acrylate, neopentyl glycol mono (meth) acrylate, polyethylene glycol mono (meth) acrylate, and polypropylene glycol mono (Meth)acrylates are mentioned.
- Polyhydroxyl mono(meth)acrylates include trimethylolpropane mono(meth)acrylate, glycerin mono(meth)acrylate, and pentaerythritol mono(meth)acrylate.
- Monohydroxyl poly(meth)acrylates include, for example, trimethylolpropane di(meth)acrylate, glycerin di(meth)acrylate, pentaerythritol tri(meth)acrylate, dipentaerythritol penta(meth)acrylate, and 2-hydroxy -3-(meth)acryloyloxypropyl (meth)acrylate (for example, 2-hydroxy-3-acryloyloxypropyl methacrylate (trade name: NK Ester 701A, manufactured by Shin-Nakamura Chemical)).
- polyhydroxyl poly(meth)acrylates examples include pentaerythritol di(meth)acrylate, dipentaerythritol tri(meth)acrylate, and dipentaerythritol tetra(meth)acrylate.
- the hydroxyl group-containing unsaturated compound is, for example, 4-vinylphenol, 2-hydroxyethyl-4-vinylphenyl ether, (2-hydroxypropyl)-4- Vinyl phenyl ether, (2,3-dihydroxypropyl)-4-vinyl phenyl ether, and 4-(2-hydroxyethyl) styrene.
- hydroxyl group-containing unsaturated compounds examples include propenyl alcohol, 2-hydroxyethyl propenyl ether, and 2,3-dihydroxypropyl propenyl ether when the ethylenically unsaturated group-containing group is a propenyl ether group.
- hydroxyl group-containing unsaturated compounds examples include allyl alcohol, 2-hydroxyethyl allyl ether, and 2-hydroxypropyl allyl alcohol when the ethylenically unsaturated group-containing group is an allyl ether group.
- hydroxyl group-containing unsaturated compounds examples include 2-hydroxyethyl vinyl ether and 2-hydroxypropyl vinyl ether when the ethylenically unsaturated group-containing group is a vinyl ether group.
- hydroxyl group-containing unsaturated compounds preferably hydroxyl group-containing (meth)acrylate, more preferably monohydroxyl mono(meth)acrylate, still more preferably 2-hydroxyethyl (meth)acrylate, particularly preferably 2-Hydroxyethyl acrylate is mentioned.
- the hydroxyl group-containing unsaturated compounds can be used alone or in combination of two or more.
- the polyisocyanate component and the hydroxyl component are mixed and reacted.
- the polyisocyanate component and the heterocycle-containing plant-derived polyol are reacted.
- the polyisocyanate component and the heterocycle-containing plant-derived polyol are combined so that the isocyanate groups (NCO) of the polyisocyanate component are in excess of the hydroxyl groups (OH) of the heterocycle-containing plant-derived polyol.
- NCO isocyanate groups
- OH hydroxyl groups
- the equivalent ratio (NCO/OH) of the polyisocyanate component to the heterocycle-containing plant-derived polyol is, for example, 1.5 or more, preferably 2 or more, more preferably 3 or more, such as 20 Thereafter, the polyisocyanate component and the heterocycle-containing plant-derived polyol are reacted at a ratio of preferably 10 or less, more preferably 8 or less.
- the reaction temperature is, for example, 40° C. or higher, preferably 50° C. or higher, more preferably 60° C. or higher, for example 120° C. or lower, preferably 100° C. or lower, more preferably 90° C. or lower.
- the reaction time is, for example, 0.5 hours or more, preferably 1 hour or more, for example, 10 hours, preferably 5 hours or less.
- the reaction ends when the desired isocyanate group concentration (for example, 1% by mass or more and 40% by mass or less) is reached. Also, the reaction is preferably carried out under a nitrogen atmosphere. At the same time, it is preferable to bubble dry air into the reaction solution for the purpose of suppressing polymerization (self-polymerization) of the hydroxyl group-containing unsaturated compound.
- a known organic solvent and a known urethanization catalyst e.g., amine-based catalyst, tin-based catalyst, lead-based catalyst, bismuth-based catalyst, zirconium-based catalyst, zinc-based catalyst, ) can be added in an appropriate proportion.
- prepolymer composition as a mixture of an isocyanate group-terminated prepolymer and unreacted polyisocyanate.
- the prepolymer composition is prepared as an organic solvent solution in which the isocyanate group-terminated prepolymer is dissolved or dispersed in the organic solvent.
- unreacted polyisocyanate in the prepolymer composition is removed, for example, by distillation or extraction.
- a hydroxyl group-containing unsaturated compound can be bound to the molecular end of the isocyanate group-terminated prepolymer, and an ethylenically unsaturated group can be added to the molecular end of the urethane resin.
- the equivalent ratio of the isocyanate group (NCO) of the isocyanate group-terminated prepolymer and unreacted polyisocyanate to the hydroxyl group (OH) of the hydroxyl group-containing unsaturated compound (NCO/OH) is, for example, 0.7 or more, It is preferably 0.8 or more, more preferably 0.9 or more, and is 1.3 or less, preferably 1.2 or less, more preferably 1.1 or less.
- the polymer and unreacted polyisocyanate are reacted with a hydroxyl group-containing unsaturated compound.
- the reaction temperature is, for example, 40°C or higher, preferably 60°C or higher, and for example, 100°C or lower, preferably 80°C or lower.
- the reaction time is, for example, 0.5 hours or more and, for example, 10 hours or less.
- the above reaction solvent and the above urethanization catalyst can be added in an appropriate proportion, if necessary.
- a polymerization inhibitor is added to the reaction system at 10 ppm or more, preferably 50 ppm or more, for example, 10000 ppm or less, preferably can also be blended at 5000 ppm or less.
- polymerization inhibitors examples include hydroquinone, methoxyphenol, methylhydroquinone (also known as hydroquinone methyl ether), 2-tertiarybutylhydroquinone, p-benzoquinone, tertiarybutyl p-benzoquinone, and phenothiazine.
- a monol can be added.
- Monools include, for example, methanol, ethanol, propanol, isopropyl alcohol, butanol, 1-methoxy-2-propanol, 2-ethylhexyl alcohol, other alkanols (C5-38) and aliphatic unsaturated alcohols (9-24), Alkenyl alcohols, 2-propen-1-ol, alkadienols (C6-8), and 3,7-dimethyl-1,6-octadien-3-ol.
- the monool has a hydroxyl group in an amount equivalent to or in excess of 1 relative to unreacted isocyanate groups, more specifically, for example, 1 or more, preferably 1.05 or more, for example, 2 or less, Preferably, they are blended at a ratio of 1.5 or less.
- the monol can be blended after the completion of the reaction of the prepolymer composition and the hydroxyl group-containing unsaturated compound, or can be mixed with the hydroxyl group-containing unsaturated compound and reacted with the prepolymer composition.
- a urethane resin is obtained as a mixture of a main product consisting of an isocyanate group-terminated prepolymer and a hydroxyl group-containing unsaturated compound and a by-product consisting of polyisocyanate and a hydroxyl group-containing unsaturated compound.
- the above-mentioned by-products can also be removed by, for example, a distillation method or an extraction method, if necessary.
- the ethylenically unsaturated group may be contained in the molecular chain (in the middle) or may be contained at the end of the molecule.
- the ethylenically unsaturated group is preferably contained at the molecular end of the urethane resin.
- the position of the ethylenically unsaturated group in the urethane resin molecule is determined according to the molecular structure of the hydroxyl group-containing unsaturated compound.
- the urethane resin is prepared as an organic solvent solution dissolved or dispersed in the organic solvent.
- the biomass degree of the urethane resin is, for example, 10% or more, preferably 40% or more, more preferably 45% or more, and for example, 70% or less.
- the hydroxyl component can also contain polyols other than the above heterocycle-containing plant-derived polyols and hydroxyl group-containing unsaturated compounds, if necessary.
- polystyrene resins include, for example, the above-described macropolyols.
- the blending ratio of other polyols is not particularly limited, but is adjusted as appropriate within the range in which the urethane resin has the above-mentioned degree of biomass.
- polystyrene resins can be used alone or in combination of two or more.
- the hydroxyl component contains another polyol
- the polyisocyanate component is reacted with the heterocyclic ring-containing plant-derived polyol and the other polyol, and the isocyanate A prepolymer composition containing a group-terminated prepolymer is obtained, and then the prepolymer composition is reacted with a hydroxyl group-containing unsaturated compound.
- the hydroxyl component preferably consists of a heterocycle-containing plant-derived polyol and a hydroxyl group-containing unsaturated compound without containing other polyols.
- the curable polyurethane resin composition contains the above urethane resin.
- the curable polyurethane resin composition may also contain polyfunctional (meth)acrylates having three or more ethylenically unsaturated groups depending on its purpose and application.
- a curable polyurethane resin composition that contains a urethane resin and does not contain a polyfunctional (meth)acrylate is first distributed, and then the polyfunctional (meth)acrylate is blended into this curable polyurethane resin composition. may occur. In some cases, a curable polyurethane resin composition containing a urethane resin and a polyfunctional (meth)acrylate is distributed.
- Polyfunctional (meth)acrylates are compounds that polymerize when exposed to active energy rays (described later). Moreover, the polyfunctional (meth)acrylate is also a reactive diluent that is blended when the viscosity of the curable polyurethane resin composition is high.
- polyfunctional (meth)acrylates contain three or more (meth)acryloyl groups as ethylenically unsaturated groups.
- polyfunctional (meth)acrylates include tri(meth)acrylate, tetra(meth)acrylate, penta(meth)acrylate, and hexa(meth)acrylate.
- Tri(meth)acrylates include, for example, trimethylolpropane tri(meth)acrylate and pentaerythritol tri(meth)acrylate.
- Tetra(meth)acrylates include, for example, ditrimethylolpropane tetra(meth)acrylate and pentaerythritol tetra(meth)acrylate.
- Penta(meth)acrylates include, for example, dipentaerythritol penta(meth)acrylate.
- Hexa(meth)acrylates include, for example, dipentaerythritol hexa(meth)acrylate.
- the polyfunctional (meth)acrylates are preferably penta(meth)acrylate and hexa(meth)acrylate, more preferably pentaerythritol penta(meth)acrylate and dipentaerythritol hexa(meth)acrylate, still more preferably penta Erythritol pentaacrylate, dipentaerythritol hexaacrylate.
- Polyfunctional (meth)acrylates also include urethane (meth)acrylates obtained by reacting the above polyfunctional (meth)acrylates with polyisocyanates.
- the polyisocyanate includes the diisocyanates exemplified in the above polyisocyanate component.
- Such urethane (meth)acrylates preferably include pentaerythritol triacrylate hexamethylene diisocyanate urethane prepolymer.
- the mixing ratio of the polyfunctional (meth)acrylate is 30 parts by mass or more, preferably 40 parts by mass or more, with respect to 100 parts by mass of the urethane resin (the reaction product of the polyisocyanate component and the hydroxyl component).
- the blending ratio of the polyfunctional (meth)acrylate is at least the above lower limit, the hardness of the cured product can be improved while suppressing the turbidity of the cured product obtained by curing the curable polyurethane resin composition. .
- the blending ratio of the polyfunctional (meth)acrylate is 60 parts by mass or more, cloudiness of the cured product can be suppressed even after the wear resistance test described below.
- Polyfunctional (meth)acrylates can be used alone or in combination of two or more.
- pentaerythritol triacrylate hexamethylene diisocyanate urethane prepolymer is used alone, and pentaerythritol pentaacrylate and dipentaerythritol hexaacrylate are used in combination.
- the curable polyurethane resin composition may optionally contain a known photopolymerization initiator. in appropriate proportions.
- the curable polyurethane resin composition may optionally contain, depending on its purpose and application, for example, sensitizers, photopolymerization accelerators, antifoaming agents, leveling agents, pigments, dyes, silicon compounds, rosins, Various additives such as silane coupling agents, antioxidants, coloring agents, and brightening agents can also be added in appropriate proportions.
- the biomass degree of the curable polyurethane resin composition is, for example, 10% or more, preferably 30% or more, more preferably 40% or more, and for example, 70% or less.
- the curable polyurethane resin composition contains a plant-derived polyol (heterocycle-containing plant-derived polyol). Therefore, the environmental load can be reduced.
- the curable polyurethane resin composition contains a polyol containing a heterocyclic structure (heterocyclic-containing plant-derived polyol). Therefore, the turbidity of the cured product obtained by curing this curable polyurethane resin composition can be suppressed.
- the curable polyurethane resin composition contains the above-described polyfunctional (meth)acrylate in a predetermined proportion, turbidity of the cured product can be suppressed.
- the compatibility with the polyfunctional (meth)acrylate decreases, and turbidity in the cured product may not be suppressed.
- this curable polyurethane resin composition uses a polyol containing a heterocyclic structure (heterocyclic-containing plant-derived polyol). Therefore, electrostatic repulsion occurs between unpaired electrons of heteroatoms. As a result, it is presumed that the overlap between the cyclic structures is weaker than that of a carbocyclic ring composed only of carbon atoms. It is presumed that the compatibility with the polyfunctional (meth)acrylate is improved because the overlapping of the cyclic structures becomes weaker than that of the carbocyclic ring composed only of carbon atoms.
- ester group of the polyfunctional (meth)acrylate has polarity derived from the carbon-oxygen bond.
- a heterocycle containing an element other than carbon has a higher polarity than a carbocycle containing only carbon atoms, so it is presumed that the compatibility with polyfunctional (meth)acrylates is improved.
- Curable polyurethane resin compositions include, for example, coating materials, inks, adhesives, adhesives, sealants, elastomers, aqueous resins, thermosetting resins, microcapsules, dental materials, lenses, binder resins, waterproof materials, films, and sheets. It can be used as a stereolithography resin for 3D printers, etc., and can also be used as a piezoelectric material or pyroelectric material used in speakers, sensors, and power generation devices (devices for converting heat and mechanical stimulation into electrical energy). It can be used as a material or the like.
- coating materials can be used for various industrial products such as plastic films, plastic sheets, plastic foams, spectacle lenses, spectacle frames, fibers, artificial leathers, synthetic leathers, metals, and wood.
- plastic film coatings include, for example, optical members (e.g., optical films, optical sheets, etc.), optical coating materials, fibers, electronic and electrical materials, food packages, cosmetic packages, decorative films, and solar It can be used as a protective sheet for battery modules.
- optical members e.g., optical films, optical sheets, etc.
- optical coating materials e.g., optical coating materials, fibers, electronic and electrical materials, food packages, cosmetic packages, decorative films, and solar It can be used as a protective sheet for battery modules.
- adhesives and adhesives for example, display devices such as liquid crystal displays (LCD), EL (electroluminescence) displays, EL lighting, electronic paper, plasma displays, optical discs (specifically, Blu-ray discs, DVD (digital video (or versatile) disc), MO (magneto-optical disc), PD (phase change optical disc), etc.).
- display devices such as liquid crystal displays (LCD), EL (electroluminescence) displays, EL lighting, electronic paper, plasma displays, optical discs (specifically, Blu-ray discs, DVD (digital video (or versatile) disc), MO (magneto-optical disc), PD (phase change optical disc), etc.).
- the ink is suitable for, for example, flexographic printing, dry offset printing, letterpress printing such as gravure printing, intaglio printing such as gravure offset printing, lithographic printing such as offset printing, stencil printing such as screen printing.
- it can be used for near-ink jet printing (a printing method in which droplets of an ink composition are ejected and adhered to a recording medium such as paper for printing).
- a cured product can be obtained by curing this curable polyurethane resin composition.
- the curable polyurethane resin composition is irradiated with active energy rays.
- active energy rays include ultraviolet rays and electron beams.
- the dose of active energy rays is, for example, 50 mJ/cm 2 or more, preferably 100 mJ/cm 2 or more, and for example, 5000 mJ/cm 2 or less, preferably 1000 mJ/cm 2 or less.
- a hardened product is thus obtained.
- Such a cured product is obtained by curing a curable polyurethane resin composition. Therefore, turbidity is suppressed while reducing the environmental load.
- the haze of the cured product is, for example, less than 0.5%, preferably 0.4% or less.
- the cured product obtained by curing the curable polyurethane resin composition has suppressed turbidity, it can be suitably used especially in applications where transparency is required.
- a curable polyurethane resin composition is used to coat the surface of the object 2 to be coated. By coating the object 2 to be coated, the laminate 1 is manufactured.
- the method for producing the laminate 1 includes a first step of preparing the object 2 to be coated, and applying a curable polyurethane resin composition to the surface (one side in the thickness direction) of the object 2 to be coated and curing it. and a second step of arranging the membrane 3 .
- the vertical direction on the page is the vertical direction (thickness direction)
- the upper side on the page is the upper side (one side in the thickness direction)
- the lower side on the page is the lower side (the other side in the thickness direction).
- the left-right direction and the depth direction on the paper surface are plane directions orthogonal to the up-down direction. Specifically, it conforms to the directional arrows in each figure.
- an object 2 to be coated is prepared as shown in FIG. 1A.
- the object to be coated 2 is an object to be coated whose surface (one side in the thickness direction) is imparted with various physical properties by the cured film 3 .
- the object 2 to be coated has a flat plate shape, but the shape of the object 2 to be coated is not particularly limited, and various shapes can be selected.
- the object to be coated 2 is not particularly limited, and examples thereof include resin and metal.
- a curable polyurethane resin composition is applied to the surface (one side in the thickness direction) of the object 2 to be coated, and if necessary, dried to form a coating film.
- the coating film is cured.
- the coating film is irradiated with active energy rays.
- the cured film 3 is arranged on the surface (one side in the thickness direction) of the object 2 to be coated, and the laminate 1 is obtained.
- Such a laminate 1 includes an object to be coated 2 and a cured film 3 made of a cured product of a curable polyurethane resin composition in order in the thickness direction.
- the laminate 1 includes the cured film 3 made of the cured product of the curable polyurethane resin composition, turbidity of the cured film 3 can be suppressed while reducing the environmental load.
- 1,5-PDI 1,5-pentamethylene diisocyanate, biomass degree 70% according to ASTM D6866, trade name “Stabio PDI", Mitsui Chemicals, Inc.
- PDI Nurate isocyanurate derivative of 1,5-pentamethylene diisocyanate, ASTM Biomass degree by D6866 70%, trade name “Stabio D-370N”, Mitsui Chemicals, Inc.
- 1,6-HDI 1,6-hexamethylene diisocyanate HS0850H: A configuration derived from the dihydroxy compound represented by the above formula (1)
- Aronix M402 A mixture of dipentaerythritol pentaacrylate and dipentaerythritol hexaacrylate, trade name "Aronix M402", UA-306H manufactured by Toagosei Co., Ltd.: Pentaerythritol triacrylate hexamethylene diisocyanate urethane prepolymer, Neostan U810 manufactured by Kyoeisha Chemical Co., Ltd. : Tin-based curing catalyst manufactured by Nitto Kasei Co., Ltd.
- Synthesis Example 2 to Synthesis Example 7 A urethane resin was obtained based on the same procedure as in Synthesis Example 1. However, the formulation was changed according to Table 1.
- curable polyurethane resin composition Examples 1 to 3 and Comparative Examples 1 to 4 According to the formulations in Tables 2 and 3, urethane resin (solid content concentration 50.0% by mass), dimethyl carbonate 10.45 g, ethyl acetate 10.45 g, Irgacure 1173 (manufactured by BASF Japan Ltd.) as a photopolymerization initiator ) was mixed with 0.30 g to prepare a uniform curable polyurethane resin composition (solid concentration: 25% by mass).
- urethane resin solid content concentration 50.0% by mass
- 8.00 g of Aronix M402, 22.95 g of dimethyl carbonate, 22.95 g of ethyl acetate, and BYK333 as a leveling agent ( Shin-Etsu Chemical Co., Ltd.) and 0.54 g of Irgacure 1173 were mixed to prepare a uniform curable polyurethane resin composition (solid concentration: 25% by mass).
- biomass degree was calculated based on the following formula (2). Sum of (biomass degree x carbon content x amount used) for each biomass material / sum of (carbon content x amount used) for all materials (2)
- the carbon content is calculated from the calculated value of the molecular formula. Calculated.
- the polycarbonate resin substrate is passed once through the conveyor of an ultraviolet irradiation device to apply ultraviolet rays (electrodeless H bulb 240 W/cm 2 , output 100%, lamp height 70 mm, conveyor speed 8.9 m/cm) to the coating film.
- ultraviolet rays electrodeless H bulb 240 W/cm 2 , output 100%, lamp height 70 mm, conveyor speed 8.9 m/cm
- integrated light intensity 400 mJ/cm 2 , measured by UV Power Puck II manufactured by Electronic Instrumentation & Technology, Inc.
- a wear resistance test was conducted on the cured film. Specifically, a 500 g load was applied from the top of steel wool (Bonstar #0000, manufactured by Nippon Steel Wool Industry Co., Ltd.) using a Gakushin type wear tester (wear tester type II, manufactured by Yasuda Seiki Seisakusho Co., Ltd.). 50 round trips. After the abrasion resistance test, haze was measured. The results are shown in Tables 2 and 3.
- the urethane resin of Synthesis Example 1 is used in Examples 1 and 4 to 9.
- Example 1 does not contain polyfunctional (meth)acrylate, and Examples 4 to 9 contain polyfunctional (meth)acrylate.
- Example 1 In the haze test of Example 1, the haze of the cured film immediately after curing is less than 0.5%. From this, it can be seen that the turbidity of the cured film can be suppressed.
- the haze of the cured film immediately after curing is less than 0.5% in the haze test. From this, it can be seen that turbidity of the cured film can be suppressed even when the curable polyurethane resin composition contains a polyfunctional (meth)acrylate.
- the urethane resin of Synthesis Example 2 is used in Examples 2 and 10 to 17.
- the curable polyurethane resin composition of Example 2 does not contain polyfunctional (meth)acrylate, and Examples 10 to 17 contain polyfunctional (meth)acrylate.
- Example 2 turbidity of the cured film can be suppressed in the same manner as in Example 1 described above.
- the urethane resin of Synthesis Example 6 is used in Examples 3 and 18.
- the curable polyurethane resin composition of Example 3 does not contain polyfunctional (meth)acrylate, and Example 18 contains polyfunctional (meth)acrylate.
- Example 3 turbidity of the cured film can be suppressed in the same manner as in Example 1 described above.
- Example 18 similarly to Examples 4 to 9 described above, even if the curable polyurethane resin composition contains a polyfunctional (meth)acrylate, it can be seen that the turbidity of the cured film can be suppressed.
- the curable polyurethane resin composition of Comparative Example 1 does not contain polyfunctional (meth)acrylate, and Comparative Examples 5 and 6 contain polyfunctional (meth)acrylate.
- the curable polyurethane resin composition of Comparative Example 2 does not contain polyfunctional (meth)acrylate, and Comparative Examples 7 and 8 contain polyfunctional (meth)acrylate.
- Comparative Examples 7 and 8 similarly to Comparative Examples 5 and 6 described above, even if the curable polyurethane resin composition contains a polyfunctional (meth)acrylate, turbidity of the cured film is suppressed. I know it's not done.
- the curable polyurethane resin composition of Comparative Example 3 does not contain polyfunctional (meth)acrylate, and Comparative Examples 9 and 10 contain polyfunctional (meth)acrylate.
- Comparative Example 3 the haze of the cured film immediately after curing was less than 0.5% in the haze test, while in Comparative Examples 9 and 10, the haze of the cured film immediately after curing was less than 0.5%. To exceed. From this, it can be seen that when polyfunctional (meth)acrylate is added to the curable polyurethane resin composition of Comparative Example 3, turbidity of the cured film cannot be suppressed.
- the curable polyurethane resin composition of Comparative Example 4 does not contain polyfunctional (meth)acrylate, and Comparative Examples 11 and 12 contain polyfunctional (meth)acrylate.
- Examples 1 to 18 use plant-derived polyols (heterocycle-containing plant-derived polyols).
- Examples 1 to 18 are 10 or more. Therefore, it can be seen that the environmental load can be reduced.
- Examples 3 and 18 do not contain plant-derived 1,5-PDI and contain 1,6-HDI, but the hydroxyl component contains a plant-derived polyol (heterocycle-containing plant-derived polyol). Therefore, the biomass degree can be improved.
- the curable polyurethane resin composition, cured product and laminate of the present invention can be used for various industrial products such as plastic films, plastic sheets, plastic foams, spectacle lenses, spectacle frames, fibers, artificial leathers, synthetic leathers, metals and wood. In, it can be used suitably.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
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Abstract
Description
ポリイソシアネート成分は、脂肪族ジイソシアネートおよび/またはその誘導体を含んでいる。
)。
ヒドロキシル成分は、ヘテロ環含有植物由来ポリオールおよびヒドロキシル基含有不飽和化合物を含む。
ヘテロ環含有植物由来ポリオールは、分子内に、1つ以上のヘテロ環を有する植物由来のポリオールである。
ヒドロキシル基含有不飽和化合物は、分子内に、1つ以上のエチレン性不飽和基、および、1つ以上のヒドロキシル基を併有する。
ヒドロキシル成分は、必要により、上記したヘテロ環含有植物由来ポリオールおよびヒドロキシル基含有不飽和化合物以外の他のポリオールを含むこともできる。
硬化性ポリウレタン樹脂組成物は、上記のウレタン樹脂を含む。
<作用効果>
<硬化物>
硬化性ポリウレタン樹脂組成物は、被塗装体2の表面を、コーティングするために用いられる。被塗装体2を、コーティングすることにより、積層体1が製造される。
各製造例、各実施例、および、各比較例で用いた成分の、商品名および略語について、詳述する。
1,5-PDI:1,5-ペンタメチレンジイソシアネート、ASTM D6866によるバイオマス度70%、商品名「スタビオPDI」、三井化学株式会社製
PDIヌレート:1,5-ペンタメチレンジイソシアネートのイソシアヌレート誘導体、ASTM D6866によるバイオマス度70%、商品名「スタビオD-370N」、三井化学株式会社製
1,6-HDI:1,6-ヘキサメチレンジイソシアネート
HS0850H:上記式(1)で示されるジヒドロキシ化合物に由来する構成単位を含むポリカーボネートポリオール(植物由来)、水酸基価141.3mgKOH/g、ASTM D6866によるバイオマス度44%、商品名「べネビオールHS0850H」、三菱ケミカル株式会社製
NL1010DB:環構造を有しないポリカーボネートポリオール、水酸基価113.5mgKOH/g、ASTM D6866によるバイオマス度22%、商品名「ベネビオールNL1010DB」、三菱ケミカル株式会社製
UM-90(1/1):炭素環を有するポリカーボネートポリオール、水酸基価126.0mgKOH/g、ASTM D6866によるバイオマス度0%、商品名「ETERNACOLL UM-90(1/1)」、宇部興産株式会社製
UC-100:炭素環を有するポリカーボネートポリオール、水酸基価116.1mgKOH/g、ASTM D6866によるバイオマス度0%、商品名「ETERNACOLL UC-100」、宇部興産株式会社製
HEA:2-ヒドロキシエチルアクリレート、富士フイルム和光純薬株式会社製(試薬一級)
アロニックスM402:ジペンタエリスリトールペンタアクリレートおよびジペンタエリスリトールヘキサアクリレートの混合物、商品名「アロニックスM402」、東亞合成株式会社製
UA-306H:ペンタエリスリトールトリアクリレートヘキサメチレンジイソシアネートウレタンプレポリマー、共栄社化学社製
ネオスタンU810:スズ系硬化触媒、日東化成株式会社製
<合成例1>
乾燥したフラスコに、HS0850H 297.8gと、酢酸エチル297.8gと、ネオスタンU810 0.12gと加え、45℃で混合攪拌し均一な溶液とした。
合成例1と同様の手順に基づき、ウレタン樹脂を得た。但し、配合処方は、表1に従って変更した。
実施例1~実施例3、および、比較例1~比較例4
表2および表3の配合処方に従って、ウレタン樹脂(固形分濃度50.0質量%)と、炭酸ジメチル10.45gと、酢酸エチル10.45g、光重合開始剤としてイルガキュア1173(BASFジャパン株式会社製)0.30gとを混合し、均一な硬化性ポリウレタン樹脂組成物(固形分濃度25質量%)を調製した。
表2および表3の配合処方に従って、ウレタン樹脂(固形分濃度50.0質量%)と、アロニックスM402またはUA-306Hと、イルガキュア1173を樹脂の総質量に対し3質量部と、炭酸ジメチルおよび酢酸エチルの混合液(炭酸ジメチル:酢酸エチル=1:1(質量比))とを混合し、均一な硬化性ポリウレタン樹脂組成物(固形分濃度25質量%)を調製した。
表2および表3の配合処方に従って、ウレタン樹脂(固形分濃度50.0質量%)と、アロニックスM402 8.00gと、炭酸ジメチル22.95gと、酢酸エチル22.95gと、レベリング剤としてBYK333(信越化学工業株式会社社製)0.09gと、イルガキュア1173 0.54gとを混合し、均一な硬化性ポリウレタン樹脂組成物(固形分濃度25質量%)を調製した。
<バイオマス度>
バイオマス度について、下記式(2)基づき、算出した。
各バイオマス原料の(バイオマス度×炭素の含有率×使用量)の総和/全原料の(炭素含有率×使用量)の総和 (2)
各実施例および各比較例の硬化性ポリウレタン樹脂組成物を、アプリケーター0.101mm(YA-4型、ヨシミツ精機株式会社製)を用いて、被塗装体としてのポリカーボネート樹脂基板、商品名「PC 1600」、150mm×70mm×厚さ2.0mm、タキロンシーアイ株式会社製)の厚み方向一方面に、塗装し、温風乾燥機で70℃2分乾燥させることで溶剤を留去し、ポリカーボネート樹脂基板の厚み方向一方面に、塗膜を形成した。
これにより、硬化膜を得、被塗装体と、硬化膜とを厚み方向一方面に順に備える積層体を得た。
<合成例1のウレタン樹脂(ポリイソシアネート成分:1,5-PDIおよびPDIヌレート、ヒドロキシル成分:ヘテロ環を含有するポリオール)>
比較例1、比較例5および比較例6は、合成例3のウレタン樹脂を用いている。
比較例2、比較例7および比較例8は、合成例4のウレタン樹脂を用いている。
比較例3、比較例9および比較例10は、合成例5のウレタン樹脂を用いている。
比較例4、比較例11および比較例12は、合成例7のウレタン樹脂を用いている。
実施例1~実施例18は、植物由来のポリオール(ヘテロ環含有植物由来ポリオール)を用いている。
2 被塗装体
3 硬化膜
Claims (7)
- 脂肪族ジイソシアネートおよび/またはその誘導体を含むポリイソシアネート成分と、
ヘテロ環構造を含有する植物由来のヘテロ環含有植物由来ポリオールと、エチレン性不飽和基およびヒドロキシル基を含有するヒドロキシル基含有不飽和化合物とを含むヒドロキシル成分との反応生成物を含む、硬化性ポリウレタン樹脂組成物。 - 前記脂肪族ジイソシアネートが、植物由来の1,5-ペンタメチレンジイソシアネートを含む、請求項1に記載の硬化性ポリウレタン樹脂組成物。
- 前記ヘテロ環含有植物由来ポリオールが、イソソルビド変性ポリカーボネートポリオールである、請求項1に記載の硬化性ポリウレタン樹脂組成物。
- さらに、3つ以上のエチレン性不飽和基を有する多官能(メタ)アクリレートを含み、
前記多官能(メタ)アクリレートが、前記反応生成物100質量部に対して、30質量部以上含有されている、請求項1に記載の硬化性ポリウレタン樹脂組成物。 - 請求項1に記載の硬化性ポリウレタン樹脂組成物の硬化物。
- ヘイズが0.5%未満である、請求項5に記載の硬化物。
- 被塗装体と、請求項5に記載の硬化物からなる硬化膜とを厚み方向に備える、積層体。
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WO2011048750A1 (ja) * | 2009-10-19 | 2011-04-28 | 関西ペイント株式会社 | 活性エネルギー線硬化性組成物 |
CN104546550A (zh) * | 2015-01-19 | 2015-04-29 | 陕西科技大学 | 一种环保水性指甲油及其制备方法 |
WO2015060259A1 (ja) * | 2013-10-21 | 2015-04-30 | 三井化学株式会社 | 光学材料用重合性組成物および光学材料 |
KR20210155964A (ko) * | 2020-06-17 | 2021-12-24 | 주식회사 삼양사 | 친수성 아크릴-변성 폴리우레탄 및 그 제조 방법, 및 이로부터 제조된 수계 도료 조성물 및 그 제조 방법 |
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WO2015060259A1 (ja) * | 2013-10-21 | 2015-04-30 | 三井化学株式会社 | 光学材料用重合性組成物および光学材料 |
CN104546550A (zh) * | 2015-01-19 | 2015-04-29 | 陕西科技大学 | 一种环保水性指甲油及其制备方法 |
KR20210155964A (ko) * | 2020-06-17 | 2021-12-24 | 주식회사 삼양사 | 친수성 아크릴-변성 폴리우레탄 및 그 제조 방법, 및 이로부터 제조된 수계 도료 조성물 및 그 제조 방법 |
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