WO2014185276A1 - アルミニウムキレート化合物及びこれを含有する室温硬化性樹脂組成物 - Google Patents
アルミニウムキレート化合物及びこれを含有する室温硬化性樹脂組成物 Download PDFInfo
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- WO2014185276A1 WO2014185276A1 PCT/JP2014/062047 JP2014062047W WO2014185276A1 WO 2014185276 A1 WO2014185276 A1 WO 2014185276A1 JP 2014062047 W JP2014062047 W JP 2014062047W WO 2014185276 A1 WO2014185276 A1 WO 2014185276A1
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 61
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- 239000011342 resin composition Substances 0.000 title claims abstract description 16
- 239000004411 aluminium Substances 0.000 title abstract 4
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- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 19
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- 239000000203 mixture Substances 0.000 claims description 62
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
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- -1 aluminum bis (ethyl acetoacetate) Chemical compound 0.000 description 62
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 26
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- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 8
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- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 8
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 7
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- 238000000034 method Methods 0.000 description 5
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- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 4
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- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 4
- DYLIWHYUXAJDOJ-OWOJBTEDSA-N (e)-4-(6-aminopurin-9-yl)but-2-en-1-ol Chemical compound NC1=NC=NC2=C1N=CN2C\C=C\CO DYLIWHYUXAJDOJ-OWOJBTEDSA-N 0.000 description 3
- 125000001731 2-cyanoethyl group Chemical group [H]C([H])(*)C([H])([H])C#N 0.000 description 3
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 3
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- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
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- 244000061458 Solanum melongena Species 0.000 description 3
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- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
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- YRAJNWYBUCUFBD-UHFFFAOYSA-N 2,2,6,6-tetramethylheptane-3,5-dione Chemical compound CC(C)(C)C(=O)CC(=O)C(C)(C)C YRAJNWYBUCUFBD-UHFFFAOYSA-N 0.000 description 1
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- OCJKUQIPRNZDTK-UHFFFAOYSA-N ethyl 4,4,4-trifluoro-3-oxobutanoate Chemical compound CCOC(=O)CC(=O)C(F)(F)F OCJKUQIPRNZDTK-UHFFFAOYSA-N 0.000 description 1
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- 150000004706 metal oxides Chemical class 0.000 description 1
- XTXCFTMJPRXBBC-UHFFFAOYSA-N methyl 4,4-dimethyl-3-oxopentanoate Chemical compound COC(=O)CC(=O)C(C)(C)C XTXCFTMJPRXBBC-UHFFFAOYSA-N 0.000 description 1
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- WHIVNJATOVLWBW-UHFFFAOYSA-N n-butan-2-ylidenehydroxylamine Chemical group CCC(C)=NO WHIVNJATOVLWBW-UHFFFAOYSA-N 0.000 description 1
- OHLUUHNLEMFGTQ-AZXPZELESA-N n-methylacetamide Chemical group C[15NH]C(C)=O OHLUUHNLEMFGTQ-AZXPZELESA-N 0.000 description 1
- NCCHARWOCKOHIH-UHFFFAOYSA-N n-methylbenzamide Chemical group CNC(=O)C1=CC=CC=C1 NCCHARWOCKOHIH-UHFFFAOYSA-N 0.000 description 1
- NAQQTJZRCYNBRX-UHFFFAOYSA-N n-pentan-3-ylidenehydroxylamine Chemical group CCC(CC)=NO NAQQTJZRCYNBRX-UHFFFAOYSA-N 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical class [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229920001290 polyvinyl ester Polymers 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical class [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- ZQZCOBSUOFHDEE-UHFFFAOYSA-N tetrapropyl silicate Chemical compound CCCO[Si](OCCC)(OCCC)OCCC ZQZCOBSUOFHDEE-UHFFFAOYSA-N 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
- OLTVTFUBQOLTND-UHFFFAOYSA-N tris(2-methoxyethoxy)-methylsilane Chemical compound COCCO[Si](C)(OCCOC)OCCOC OLTVTFUBQOLTND-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
- 239000011667 zinc carbonate Substances 0.000 description 1
- 229910000010 zinc carbonate Inorganic materials 0.000 description 1
- 235000004416 zinc carbonate Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Classifications
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
- C08G77/08—Preparatory processes characterised by the catalysts used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/22—Organic complexes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/06—Aluminium compounds
- C07F5/069—Aluminium compounds without C-aluminium linkages
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0091—Complexes with metal-heteroatom-bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K3/1006—Materials in mouldable or extrudable form for sealing or packing joints or covers characterised by the chemical nature of one of its constituents
- C09K3/1018—Macromolecular compounds having one or more carbon-to-silicon linkages
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
- C08G77/18—Polysiloxanes containing silicon bound to oxygen-containing groups to alkoxy or aryloxy 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
Definitions
- the present invention relates to an aluminum chelate compound useful for applications such as a catalyst for a room temperature curable resin, a room temperature curable resin composition containing the same, particularly a room temperature curable organopolysiloxane composition, and further curing the composition. It relates to the resulting molded product.
- the ⁇ -diketo compound capable of keto-enol rearrangement can form a complex compound with aluminum in the enol structure. That is, an aluminum chelate compound of a compound containing a ⁇ -diketo group is generated. Since these aluminum chelate compounds generally have an alkyl group bonded to a ⁇ -diketo group in the ⁇ -diketo compound, they have affinity with many organic polymer materials. Therefore, it has been used in compositions containing organic polymer materials such as paints, adhesives, and inks, and has imparted various properties to the compositions. For example, it is used as a catalyst component of a room temperature curable resin.
- an aluminum chelate compound for example, monoacetylacetonate aluminum bis (ethyl acetoacetate) 76% isopropanol solution is known, and Patent Document 1 discloses a method for synthesizing these aluminum chelate compounds. Yes.
- these known aluminum chelate compounds generally have low activity as a curing catalyst such as a sealant and are not necessarily optimal depending on the application.
- a condensation-curing room temperature fast-curing organopolysiloxane composition on the other hand, a one-part solution in which the crosslinking rate by hydrolysis is improved by using a curing agent with respect to both-end hydroxyorganopolysiloxane as a base polymer.
- a type and a two-pack type in which both ends hydroxyorganopolysiloxane as a base polymer and a crosslinking agent are separately packaged.
- compositions comprising a hydroxyl-terminated polyorganosiloxane, an alkoxysilane and an organotitanium compound, a composition comprising an alkoxysilyl end-capped polyorganosiloxane, an alkoxysilane and an alkoxytitanium, and an alkoxysilyl containing a silethylene group.
- a composition comprising a linear polyorganosiloxane whose end is blocked, an alkoxysilane and an alkoxytitanium, and a composition comprising a hydroxyl group-endcapped polyorganosiloxane or an alkoxy group-endcapped polyorganosiloxane and an alkoxy- ⁇ -silyl ester compound.
- compositions are excellent in storage stability, water resistance and moisture resistance, but are still insufficient in terms of fast curability.
- polymers having a reactive alkoxysilyl group at the terminal are conventionally known.
- the curability hardly changes (decreases) with time, and a composition excellent in storage stability can be obtained.
- workability viscosity and thixotropy
- the alcohol type has a limited use location because it is less reactive with moisture in the air than other conventionally known curing types such as oxime, acetic acid, and acetone.
- the present invention has been made in view of the above circumstances, and provides a novel aluminum chelate compound useful for use as a catalyst for a room temperature curable resin and the like, and is excellent in fast curability, excellent in storage stability and durability.
- an object of the present invention is to provide a room temperature curable resin composition, particularly a room temperature curable organopolysiloxane composition, which gives a cured product excellent in UV discoloration resistance.
- the present inventors have found that the following aluminum chelate compounds are useful for solving the above-described problems. Furthermore, the present inventor uses an alkoxysilyl-ethylene group-containing polymer and / or compound in which the bonding group adjacent to the alkoxysilyl group is an ethylene group, and cures an aluminum chelate compound, particularly the following aluminum chelate compound, as a curing catalyst. As a result, it was found that a room temperature curable composition giving a cured product excellent in fast curability, storage stability, durability and UV discoloration resistance was obtained, and the present invention was completed.
- the present invention provides the following aluminum chelate compound, room temperature curable resin composition, and the like. ⁇ 1> The following general formula (1)
- R 1 to R 3 represent a substituted or unsubstituted monovalent hydrocarbon group having 1 to 12 carbon atoms or a halogen atom, and may be the same or different.
- R 4 represents a hydrogen atom or a substituted or unsubstituted monovalent hydrocarbon group having 1 to 12 carbon atoms.
- A is the following formula (2)
- R 5 to R 7 represent a substituted or unsubstituted monovalent hydrocarbon group having 1 to 12 carbon atoms or a halogen atom, which may be the same or different.
- R 8 is a substituted or unsubstituted monovalent hydrocarbon group having 1 to 5 carbon atoms.
- the average coordination number with respect to aluminum of the ⁇ -dicarbonyl compound represented by the general formula (1) is 0.5 to 2.5.
- R 1 to R 3 represent a substituted or unsubstituted monovalent hydrocarbon group having 1 to 12 carbon atoms or a halogen atom, and may be the same or different.
- R 8 represents a substituted or unsubstituted carbon. (It is a monovalent hydrocarbon group having 1 to 5 atoms.)
- a ⁇ -ketoester represented by the following formula (4)
- R 9 and R 10 represent a substituted or unsubstituted monovalent hydrocarbon group having 1 to 12 carbon atoms, which may be the same or different.
- R 4 represents a hydrogen atom or a substituted or unsubstituted carbon atom.
- It is a monovalent hydrocarbon group having 1 to 12 carbon atoms.
- the aluminum chelate compound as described in ⁇ 1> which has diketone represented by these.
- the average coordination molecule number of the ⁇ -ketoester (3) is 0.5 to 2.5 with respect to aluminum
- the average coordination molecule number of the diketone (4) is 0.5 to 2.5.
- (3) and (4) the total average number of coordination molecules is 3.0.
- R 1 to R 3 represent a substituted or unsubstituted monovalent hydrocarbon group having 1 to 12 carbon atoms or a halogen atom, and may be the same or different.
- R 4 represents a hydrogen atom or a substituted or unsubstituted monovalent hydrocarbon group having 1 to 12 carbon atoms.
- R 5 to R 7 each represents a substituted or unsubstituted monovalent hydrocarbon group having 1 to 12 carbon atoms or a halogen atom, and may be the same or different.
- a diketone represented by the following formula (6)
- R 11 represents a linear monovalent hydrocarbon group having 1 to 12 carbon atoms
- R 8 represents a substituted or unsubstituted monovalent hydrocarbon group having 1 to 5 carbon atoms.
- the average coordination molecule number of the diketone (5) is 0.5 to 2.5 with respect to aluminum
- the average coordination molecule number of the ⁇ -ketoester (6) is 0.5 to 2.5.
- (5) and (6) the total average number of coordination molecules is 3.0.
- the aggregate of the aluminum chelate compound of the present invention as defined above can be used even if there is a difference in structure among the individual aluminum chelate compounds. include.
- the present invention also provides a resin curing catalyst containing the aluminum chelate compound.
- R 1 and R 2 are substituted or unsubstituted monovalent hydrocarbon groups having 1 to 12 carbon atoms, which may be the same or different, a is 2 or 3, and n is 0 to 10.
- It is an integer.
- a room temperature curable organopolysiloxane composition comprising:
- ⁇ 8> A molded product obtained by curing the room temperature curable resin composition according to any one of ⁇ 5> to ⁇ 7>.
- a coating agent, an adhesive or a sealing agent comprising the room temperature curable resin composition according to any one of ⁇ 5> to ⁇ 7>.
- the novel aluminum chelate compound of the present invention is excellent in catalytic activity when used as a resin curing catalyst, and is particularly useful as a curing catalyst for room temperature curable resins.
- the room temperature curable organopolysiloxane composition of the present invention is not only heat resistant, water resistant, and moisture resistant, but also has excellent curability and storage stability, and can give a cured product with particularly low UV discoloration resistance. it can.
- the composition of the present invention cures rapidly when exposed to air, even after storage for 12 months.
- it is not necessary to use the tin compound which is the object of regulation recently it is a composition with a low environmental load.
- the room temperature curable organopolysiloxane composition of the present invention is useful as a sealing material, a coating agent and an adhesive where heat resistance, water resistance and moisture resistance are required.
- it is useful as an adhesive for construction and electrical and electronic applications that require steam resistance and water resistance.
- 1 is a 1 HNMR chart of an aluminum chelate compound obtained in Example 1.
- 2 is a 1 HNMR chart of an aluminum chelate compound obtained in Example 2.
- 2 is a 1 HNMR chart of an aluminum chelate compound obtained in Example 3.
- the said aluminum chelate compound of this invention is a compound suitable as a hardening
- the substituted or unsubstituted monovalent hydrocarbon group having 1 to 12 carbon atoms represented by R 1 to R 7 is linear, cyclic or branched.
- a linear alkyl group such as a methyl group, an ethyl group, a propyl group, an n-butyl group, a hexyl group, a heptyl group, an octyl group, a nonyl group, and a decyl group
- a cyclic alkyl group such as a cyclohexyl group, and t -Branched alkyl groups such as butyl and 2-ethylhexyl groups, and trifluoromethyl groups, bromoethyl groups, and trichloropropyl groups in which some or all of the hydrogen atoms of these groups are substituted with halogen atoms such as chlorine, fluorine, and bromine
- halogen atoms such as chlorine, fluorine,
- halogen atom examples include chlorine, fluorine and bromine atoms. These groups may be the same or different.
- R 1 to R 3 and R 5 to R 8 are preferably a methyl group, an ethyl group, or a fluorine atom, and R 4 is preferably a hydrogen atom or a methyl group.
- the substituted or unsubstituted monovalent hydrocarbon group having 1 to 12 carbon atoms represented by R 1 to R 3 may be linear, cyclic or branched.
- a linear alkyl group such as a methyl group, an ethyl group, a propyl group, an n-butyl group, a hexyl group, a heptyl group, an octyl group, a nonyl group and a decyl group
- a cyclic alkyl group such as a cyclohexyl group, and a t-butyl group
- Branched alkyl groups such as 2-ethylhexyl groups, and halogens such as trifluoromethyl groups, bromoethyl groups, and trichloropropyl groups in which some or all of the hydrogen atoms of these groups are substituted with halogen atoms such as chlorine, fluorine, and bromine
- halogen atom examples include chlorine, fluorine and bromine atoms. These groups may be the same or different.
- the substituted or unsubstituted monovalent hydrocarbon group having 1 to 5 carbon atoms represented by R 8 may be linear, cyclic or branched.
- R 1 to R 3 are preferably a methyl group or a fluorine atom
- R 8 is preferably a methyl group or an ethyl group.
- the substituted or unsubstituted monovalent hydrocarbon group having 1 to 12 carbon atoms represented by R 4 , R 9 and R 10 is linear, cyclic or branched. Any of them may be used, for example, a linear alkyl group such as a methyl group, an ethyl group, a propyl group, an n-butyl group, a hexyl group, a heptyl group, an octyl group, a nonyl group, a decyl group, a cyclic alkyl group such as a cyclohexyl group, and a t- Branched alkyl groups such as butyl group and 2-ethylhexyl group, and trifluoromethyl groups, bromoethyl groups and trichloropropyl groups in which some or all of the hydrogen atoms of these groups are substituted with halogen atoms such as chlorine, fluorine and bro
- the substituted or unsubstituted monovalent hydrocarbon group having 1 to 12 carbon atoms represented by R 1 to R 7 may be linear, cyclic or branched.
- a linear alkyl group such as a methyl group, an ethyl group, a propyl group, an n-butyl group, a hexyl group, a heptyl group, an octyl group, a nonyl group and a decyl group
- a cyclic alkyl group such as a cyclohexyl group, and a t-butyl group
- Branched alkyl groups such as 2-ethylhexyl groups, and halogens such as trifluoromethyl groups, bromoethyl groups, and trichloropropyl groups in which some or all of the hydrogen atoms of these groups are substituted with halogen atoms such as chlorine, fluorine, and bro
- the unsubstituted monovalent linear hydrocarbon group having 1 to 12 carbon atoms represented by R 11 is, for example, a methyl group, an ethyl group, a propyl group, an n-butyl group, Examples thereof include straight chain alkyl groups such as hexyl group, heptyl group, octyl group, nonyl group and decyl group.
- the substituted or unsubstituted monovalent hydrocarbon group having 1 to 5 carbon atoms represented by R 8 may be linear, cyclic or branched.
- R 11 is preferably a methyl group or an ethyl group
- R 8 is preferably a methyl group or an ethyl group.
- the aluminum chelate derivative of the present invention can be produced, for example, by the following method.
- Aluminum alkoxide is dissolved in a suitable solvent such as toluene, and ⁇ -ketoester and ⁇ -diketone are added dropwise to the solution in this order, and the mixture is stirred at room temperature. Thereafter, the target aluminum chelate compound can be produced by distilling off the solvent and alcohol from the reaction solution.
- R 1 and R 2 are substituted or unsubstituted monovalent hydrocarbon groups having 1 to 12 carbon atoms, which may be the same or different, and a is 2 or 3.
- Examples of the hydrolyzable group (R 1 O—) at the molecular chain terminal include alkoxy groups such as a methoxy group, an ethoxy group, a propoxy group, and 2-ethylhexoxy group; a methoxyethoxy group, an ethoxyethoxy group, and a methoxypropoxy group. And alkoxyalkoxy groups. Among these, a methoxy group and an ethoxy group are particularly preferable because of their fast curability.
- (A) Component is used as the main component (base polymer) of the composition, and may be linear or branched.
- the polymer may be composed of various units, such as polysiloxanes, polyethers, polyurethanes, polyureas, polyesters, polysiloxane-urea / urethane copolymers, polyacrylates and polymethacrylates, polycarbonates, polystyrenes, polyamides, polyvinyl esters.
- polyolefins such as polyethylene, polybutadiene, ethylene-olefin copolymers, or styrene-butadiene copolymers. Any mixture or combination of these polymers can also be used.
- polysiloxane having an alkoxysilyl-ethylene group at the end which is excellent in durability, is a novel compound and has excellent durability and is preferably used.
- the following general formulas (12) and / or (13) The diorganopolysiloxane represented by these is illustrated.
- R 1 and R 2 are substituted or unsubstituted monovalent hydrocarbon groups having 1 to 12 carbon atoms, a is 2 or 3, m is an integer of 1 to 10, and n is (The viscosity of the organopolysiloxane at 25 ° C. is 10 to 1,000,000 mPa ⁇ s.)
- substituted or unsubstituted monovalent hydrocarbon groups for R 1 and R 2 methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group, heptyl group, octyl group, nonyl group, Alkyl groups such as decyl group and octadecyl group; cycloalkyl groups such as cyclopentyl group and cyclohexyl group; alkenyl groups such as vinyl group, allyl group, butenyl group, pentenyl group and hexenyl group; phenyl group, tolyl group, xylyl group, ⁇ Aryl groups such as —, ⁇ -naphthyl group; aralkyl groups such as benzyl group, 2-phenylethyl group, 3-phenylpropyl group; and some or all of hydrogen atoms of these groups are F, Cl,
- the hydrolyzable group (R 1 O—) at the molecular chain end is, for example, an alkoxy group such as a methoxy group, an ethoxy group, a propoxy group, or 2-ethylhexoxy group; an alkoxy group such as a methoxyethoxy group, an ethoxyethoxy group, or a methoxypropoxy group An alkoxy group etc. are mentioned. Among these, a methoxy group and an ethoxy group are particularly preferable because of their fast curability.
- the polymer of component (A) preferably has a viscosity at 25 ° C. of 10 to 1,000,000 mPa ⁇ s, more preferably 50 to 500,000 mPa ⁇ s, particularly preferably 100 to 100,000 mPa ⁇ s. In particular, it is 100 to 80,000 mPa ⁇ s. If the viscosity of the diorganopolysiloxane is 10 mPa ⁇ s or more, it is easy to obtain a coating film having excellent physical and mechanical strength. If the viscosity is 1,000,000 mPa ⁇ s or less, the composition This is preferable because the viscosity of the resin does not become too high and the workability during use is good.
- the viscosity is a numerical value measured by a rotational viscometer.
- component (A) for example, disiloxane having acetylene groups at both ends and octamethylcyclotetrasiloxane are polymerized in a sulfuric acid catalyst to produce diorganopolysiloxane having ethynyl groups at both ends. Then, it can be produced by adding trialkoxysilane.
- platinum group metal catalysts such as platinum, palladium and rhodium
- platinum-based catalysts are particularly suitable.
- the platinum-based material include platinum black, alumina, silica, or the like supported on solid platinum, chloroplatinic acid, alcohol-modified chloroplatinic acid, a complex of chloroplatinic acid and olefin, or platinum and vinylsiloxane. And the like can be exemplified.
- These catalysts may be used in so-called catalytic amounts. For example, they are used in an amount of 0.1 to 1,000 ppm, particularly 0.5 to 100 ppm in terms of platinum group metal with respect to trialkoxysilanes.
- This reaction is preferably carried out at a temperature of 50 to 120 ° C., particularly 60 to 100 ° C., for 0.5 to 12 hours, particularly 1 to 6 hours, and can be carried out without using a solvent.
- an appropriate solvent such as toluene or xylene can be used if necessary.
- diorganopolysiloxane as the component (A) include the following.
- the diorganopolysiloxane of the component (A) can be used alone or in combination of two or more having different structures and molecular weights.
- the (B) component diorganopolysiloxane is the main component (base polymer) of the room temperature curable organopolysiloxane composition of the present invention, and has a hydroxyl group or hydrolyzable group bonded to at least two silicon atoms in the molecule. It is what you have.
- Specific examples of such a diorganopolysiloxane include a diorganopolysiloxane having a molecular chain terminal represented by the following general formula (15) or (16) blocked with a hydroxyl group or a hydrolyzable group.
- R is a substituted or unsubstituted monovalent hydrocarbon group having 1 to 12, preferably 1 to 8 carbon atoms, and X is an oxygen atom or 1 to 8 carbon atoms, preferably 1 to 6 carbon atoms.
- the substituted or unsubstituted monovalent hydrocarbon group of R includes methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group, heptyl group, octyl group, nonyl group, decyl group, octadecyl Alkyl groups such as cyclopentyl groups, cycloalkyl groups such as cyclopentyl groups, cyclohexyl groups, alkenyl groups such as vinyl groups, allyl groups, butenyl groups, pentenyl groups, hexenyl groups, phenyl groups, tolyl groups, xylyl groups, ⁇ -, ⁇ - An aryl group such as a naphthyl group, an aralkyl group such as a benzyl group, a 2-phenylethyl group, and a 3-phenylpropyl group, and a part
- X is an oxygen atom or a divalent hydrocarbon group having 1 to 8 carbon atoms, and the divalent hydrocarbon group is represented by — (CH 2 ) p — (p represents an integer of 1 to 8). Those are preferred. Among these, an oxygen atom and —CH 2 CH 2 — are preferable.
- Y is a hydrolyzable group at the molecular chain end of the diorganopolysiloxane, for example, an alkoxy group such as a methoxy group, an ethoxy group or a propoxy group, an alkoxyalkoxy such as a methoxyethoxy group, an ethoxyethoxy group or a methoxypropoxy group.
- Ketoxime groups such as diethyl ketoxime group, amino groups such as dimethylamino group, diethylamino group, butylamino group, cyclohexylamino group, aminoxy groups such as dimethylaminoxy group, diethylaminoxy group, N-methylacetamide group, N- Chill acetamide group, and amide groups such as N- methylbenzamide group.
- an alkoxy group is preferable, a methoxy group and an ethoxy group are more preferable, and a methoxy group is particularly preferable.
- the diorganopolysiloxane as component (B) preferably has a viscosity at 25 ° C. of 100 to 1,000,000 mPa ⁇ s, more preferably 300 to 500,000 mPa ⁇ s, particularly preferably 500 to 100,000 mPa ⁇ s. S, especially 1,000 to 80,000 mPa ⁇ s. If the viscosity of the diorganopolysiloxane is less than 100 mPa ⁇ s, it may be difficult to obtain a cured product having excellent physical and mechanical strength. If the viscosity exceeds 1,000,000 mPa ⁇ s, the composition In some cases, the viscosity of the resin becomes too high, and the workability at the time of use deteriorates. Here, the viscosity is a numerical value measured by a rotational viscometer. Specific examples of the (B) component diorganopolysiloxane include, for example, those represented by the following formula.
- the (B) component diorganopolysiloxane can be used singly or in combination of two or more having different structures and polymerization degrees.
- Component (C) is an alkoxysilyl-ethylene group-containing compound having at least one structure of the following general formula in one molecule, and is a crosslinking agent for component (B).
- R 1 and R 2 are substituted or unsubstituted monovalent hydrocarbon groups having 1 to 12 carbon atoms, which may be the same or different, a is 2 or 3, and n is 0 to 10. (It is an integer.)
- the compound having the above structure can be produced, for example, by adding silane having an acetylene group and trialkoxysilane.
- the addition reaction catalyst used here include platinum group metal catalysts such as platinum, palladium, and rhodium catalysts, with platinum catalysts being particularly preferred.
- platinum catalysts being particularly preferred.
- the platinum-based material include platinum black, alumina, silica, or the like supported on solid platinum, chloroplatinic acid, alcohol-modified chloroplatinic acid, a complex of chloroplatinic acid and olefin, or platinum and vinylsiloxane. And the like can be exemplified. These catalysts may be used in so-called catalytic amounts.
- this reaction is generally preferably carried out at a temperature of 50 to 120 ° C., particularly 60 to 100 ° C., for 0.5 to 12 hours, particularly 1 to 6 hours, and can be carried out without using a solvent.
- an appropriate solvent such as toluene or xylene can be used if necessary.
- a geometric isomer represented by the following formula is generated.
- the trans isomer it is preferable to use the trans isomer because the production of the trans isomer is rich and the reactivity is high.
- the blending amount of these components (C) is preferably 0.1 to 30 parts by weight, more preferably 0.5 to 20 parts by weight with respect to 100 parts by weight of the organopolysiloxane of the component (B).
- C As a specific example of a component, what is represented by a following formula is mentioned, for example.
- the aluminum chelate compound as component (D) is a curing catalyst and is an important component for achieving the present invention.
- the above-mentioned thing is mentioned as an aluminum chelate compound of (D) component.
- the aluminum chelate compound as component (D) may be used alone or in combination of two or more.
- Component (D) is blended in an amount of 0.001 to 15 parts by weight, preferably 0.005 to 10 parts by weight, per 100 parts by weight of component (A) or component (B).
- Silanes other than the component (C) that is the component (E) and / or partial hydrolysis condensates thereof are crosslinking agents. Specific examples include, for example, ethyl silicate, propyl silicate, methyltrimethoxysilane, methyltriethoxysilane, vinyltrimethoxysilane, vinyltriethoxysilane, methyltris (methoxyethoxy) silane, vinyltris (methoxyethoxy) silane, methyltripropeno Examples include xylsilane, etc. and partial hydrolysis condensates thereof. These can be used singly or in combination of two or more.
- the amount of component (E) is usually 0 to 30 parts by weight, preferably 0.1 to 20 parts by weight, more preferably 100 parts by weight of component (A) or component (B). Is 0.5 to 15 parts by mass. If the amount exceeds 30 parts by mass, the cured product may become too hard or economically disadvantageous.
- Component (F) is a filler and is used to give sufficient mechanical strength to the cured product formed from this composition.
- Known fillers can be used, for example, finely divided silica, fumed silica, silica aerogel, precipitated silica, diatomaceous earth, iron oxide, zinc oxide, titanium oxide and other metal oxides, or their surfaces Silane-treated, metal carbonates such as calcium carbonate, magnesium carbonate, zinc carbonate, asbestos, glass wool, carbon black, fine mica, fused silica powder, synthetic resin powder such as polystyrene, polyvinyl chloride, polypropylene, etc. Is done.
- the blending amount of the component (F) is 0 to 1000 parts by weight, and preferably 1 to 400 parts by weight, per 100 parts by weight of the component (A) or the component (B).
- the blending amount of the component (F) is 0 to 1000 parts by weight, and preferably 1 to 400 parts by weight, per 100 parts by weight of the component (A) or the component (B).
- Component (G) is an adhesion aid and is used to give sufficient adhesion to the cured product formed from this composition.
- component (G) aminosilanes such as ⁇ -aminopropyltriethoxysilane, 3-2- (aminoethylamino) propyltrimethoxysilane, ⁇ -glycidoxypropyltrimethoxysilane, ⁇ - (3,4 -Epoxycyclohexyl) Epoxy silanes such as ethyltrimethoxysilane, isocyanate silanes and the like are preferable.
- the component (G) is preferably blended in an amount of 0 to 30 parts by mass, particularly 0.1 to 20 parts by mass with respect to 100 parts by mass of the components (A) to (B).
- the room temperature curable organopolysiloxane composition of the present invention includes, as additives, known additives such as pigments, dyes, anti-aging agents, antioxidants, antistatic agents, antimony oxides, flame retardants such as paraffin chloride, and the like. Can be blended. Furthermore, a polyether as a thixotropy improver, a fungicide, and an antibacterial agent can be blended.
- the room temperature curable organopolysiloxane composition of the present invention can be obtained by uniformly mixing the above-described components and further predetermined amounts of the above-mentioned various additives in a dry atmosphere.
- the room temperature curable organopolysiloxane composition is cured by allowing it to stand at room temperature, and the molding method, curing conditions, and the like can employ known methods and conditions according to the type of the composition. .
- the room temperature curable organopolysiloxane composition of the present invention thus obtained is rapidly cured at room temperature due to moisture in the air, and is excellent in heat resistance, weather resistance, low temperature characteristics, various substrates, particularly adhesion to metals.
- a rubber elastic body cured product is formed.
- this composition is particularly excellent in storage stability and curability, and for example, when it is exposed to the air after storage for 6 months, it rapidly cures to give a cured product having excellent physical properties as described above. In particular, no toxic or corrosive gas is emitted during curing, and no rust is produced on the surface to which this composition is applied.
- this composition does not cause contact failure of electrical and electronic parts, so it is useful as an insulating material and adhesive for electrical and electronic parts, as well as a sealant, coating agent, coating agent, mold release agent for various substrates. It can be widely used as a treating agent and a fiber treating agent. Further, the composition can be cured and molded to obtain various molded products, and the molded products have excellent heat resistance, weather resistance, and the like.
- Example 1 A 50 ml eggplant type flask was charged with 0.81 g (5.0 mmol) of aluminum triethoxide and 2.0 ml of toluene, and 1.58 g (10.0 mmol) of methyl 4,4-dimethyl-3-oxopentanoate was added with stirring. 2,4-pentanedione 0.50 g (5.0 mmol) was added dropwise. After stirring at room temperature for 24 hours, the ethanol produced was distilled off and 2.20 g of a yellow viscous liquid having an average structure of monoacetylacetonate aluminum bis (methylpivaloyl acetoacetate) chelate ( Yield 100%).
- Example 2 A 50 ml eggplant type flask was charged with 0.81 g (5.0 mmol) of aluminum triethoxide and 2.0 ml of toluene, followed by 1.84 g (10.0 mmol) of ethyl 4,4,4-trifluoroacetoacetate with stirring. 2,4-pentanedione (0.50 g, 5.0 mmol) was added dropwise. After stirring at room temperature for 24 hours, the produced ethanol was distilled, and it was a yellow viscous liquid with an average structure of monoacetylacetonate aluminum bis (ethyl-4,4,4-trifluoroacetoacetate) chelate. 2.46 g (yield 100%) of the product was obtained.
- Example 3 A 50 ml eggplant type flask was charged with 0.81 g (5.0 mmol) of aluminum triethoxide and 2.0 ml of toluene, with stirring, 1.30 g (10.0 mmol) of ethyl acetoacetate, followed by 0.92 g of dipivaloylmethane. (5.0 mmol) was added dropwise. After stirring at room temperature for 24 hours, the produced ethanol and toluene were distilled, and a yellow viscous liquid having an average structure of mono (dipivaloylmethane) aluminum bis (ethylacetoacetate) chelate was 2 Obtained .34 g (yield 100%).
- Example 4 100 parts of dimethylpolysiloxane having both ends of a molecular chain having a viscosity of 970 mPa ⁇ s blocked with trimethoxysilyl-ethylene group and monoacetylacetonate aluminum bis (methylpivaloyl acetoacetate) chelate prepared in Example 1
- a composition was prepared by mixing 5 parts under moisture block until uniform. Each composition immediately after preparation was extruded into a glass petri dish, exposed to air at 23 ° C. and 50% RH and allowed to stand for 24 hours, and the hardness of the cured product was measured using a durometer A hardness meter of JIS K-6249. did.
- Example 5 100 parts of dimethylpolysiloxane having both ends of a molecular chain having a viscosity of 970 mPa ⁇ s blocked with trimethoxysilyl-ethylene group and monoacetylacetonate aluminum bis (ethyl-4,4,4-trifluoro prepared in Example 2) A composition was prepared by mixing 0.5 parts of acetoacetate) chelate with moisture blocking until uniform. Each composition immediately after preparation was extruded into a glass petri dish, exposed to air at 23 ° C. and 50% RH and allowed to stand for 24 hours, and the hardness of the cured product was measured using a durometer A hardness meter of JIS K-6249. did.
- Example 6 100 parts of dimethylpolysiloxane having both ends of a molecular chain having a viscosity of 970 mPa ⁇ s blocked with trimethoxysilyl-ethylene group and monoacetylacetonate aluminum bis (methylpivaloyl acetoacetate) chelate prepared in Example 3 A composition was prepared by mixing 5 parts under moisture block until uniform. Each composition immediately after preparation was extruded into a glass petri dish, exposed to air at 23 ° C. and 50% RH and allowed to stand for 24 hours, and the hardness of the cured product was measured using a durometer A hardness meter of JIS K-6249. did.
- Examples 7-9 In Examples 4 to 6, instead of 100 parts of dimethylpolysiloxane having molecular chain ends blocked with trimethoxysilyl-ethylene groups, 100 parts of dimethylpolysiloxane having branched chain ends blocked with trimethoxysilyl-ethane groups A composition was prepared in the same manner except that was used.
- Example 4 instead of 0.5 parts of the aluminum chelate compound synthesized in Example 1, a monoacetylacetonate aluminum bis (ethylacetoacetate) 76% isopropanol solution (trade name: Aluminum Chelate D, Kawaken Fine Chemical Co., Ltd.) The composition was prepared in the same manner except that 0.5 part of monoacetylacetonate aluminum bis (2-ethylhexylacetoacetate) was used.
- Example 7 instead of 0.5 part of the aluminum chelate compound synthesized in Example 1, a monoacetylacetonate aluminum bis (ethylacetoacetate) 76% isopropanol solution (trade name: Aluminum Chelate D, Kawaken Fine Chemical Co., Ltd.) The composition was prepared in the same manner except that 0.5 part of monoacetylacetonate aluminum bis (2-ethylhexylacetoacetate) was used.
- each of the aluminum chelate compounds described in Examples 1 to 3 is a corresponding monoacetylacetonate aluminum bis (ethylacetoacetate) 76% isopropanol solution (trade name: Aluminum Chelate D, Kawaken Fine Chemical Co., Ltd. ), And monoacetylacetonate aluminum bis (2-ethylhexyl acetoacetate) exemplified in Japanese Patent No. 3850969.
- Synthesis example 1 The method for synthesizing the dimethylpolysiloxane compound having both ends blocked with a trimethoxysilyl-ethylene group used in the examples is as follows. ⁇ Synthesis of dimethylpolysiloxane compound containing ethynyl groups at both ends> In a 5000 mL four-necked separable flask equipped with a mechanical stirrer, thermometer and dropping funnel, 3050 g of octamethylcyclotetrasiloxane, 32 g of 1,3-diethynyl-1,1,3,3-tetramethyldisiloxane, concentrated sulfuric acid 154 g of (H 2 SO 4 ) was added and stirred at room temperature (23 ° C.) for 3 hours or more.
- Example 10 100 parts of dimethylpolysiloxane (Polymer B) having both ends of the molecular chain having a viscosity of 970 mPa ⁇ s blocked with trimethoxysilyl-ethylene group, and a 76% isopropanol solution of monoacetylacetonate aluminum bis (ethylacetoacetate) (trade name: A composition was prepared by mixing 0.5 parts of aluminum chelate D (manufactured by Kawaken Fine Chemical Co., Ltd.) under moisture blocking until uniform.
- Example 11 100 parts of dimethylpolysiloxane (Polymer B) having both ends of the molecular chain having a viscosity of 970 mPa ⁇ s blocked with trimethoxysilyl-ethylene groups, and monoacetylacetonate aluminum bis (ethyl-4,4,4) obtained in Example 2 A composition was prepared by mixing 0.5 parts of 4-trifluoroacetoacetate) chelate under moisture block until uniform.
- Example 12 100 parts of dimethylpolysiloxane (Polymer B) having both ends of a molecular chain having a viscosity of 970 mPa ⁇ s blocked with trimethoxysilyl-ethylene group, and monoacetylacetonate aluminum bis (methylpivaloyl acetoacetate obtained in Example 1 ) A composition was prepared by mixing 0.5 parts of chelate under moisture block until uniform.
- Example 13 100 parts of dimethylpolysiloxane (Polymer B) having both ends of a molecular chain having a viscosity of 970 mPa ⁇ s blocked with trimethoxysilyl-ethylene group, and mono (dipivaloylmethane) aluminum bis (ethylacetate) obtained in Example 3 A composition was prepared by mixing 0.5 parts of acetate) chelate until uniform under moisture barrier.
- Example 14 Moisture-blocking 100 parts of dimethylpolysiloxane having both ends of molecular chain with a viscosity of 700 mPa ⁇ s blocked with hydroxyl groups, 6 parts of the following compound, and 0.5 part of monoacetylacetonate aluminum bis (methylpivaloyl acetoacetate) chelate The composition was prepared by mixing until uniform.
- the present invention is not limited to the above embodiment.
- the above-described embodiment is an exemplification, and the present invention has any configuration that has substantially the same configuration as the technical idea described in the claims of the present invention and that exhibits the same effects. Are included in the technical scope.
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Abstract
Description
〈1〉下記一般式(1)
で示される基又は-OR8
(R8は置換若しくは非置換の炭素原子数1~5の一価炭化水素基である。)
で示される基である。〕
で表されるβ-ジカルボニル化合物を有するアルミニウムキレート化合物。ただし、上記一般式(1)で表されるβ-ジカルボニル化合物のアルミニウムに対する平均配位数は0.5~2.5である。
で表されるβ-ケトエステル及び、下記式(4)
で表されるジケトンを有する〈1〉に記載のアルミニウムキレート化合物。ただし、上記β-ケトエステル(3)の平均配位分子数がアルミニウムに対して、0.5~2.5、上記ジケトン(4)の平均配位分子数が0.5~2.5であり、(3)及び(4)の合計した平均配位分子数は3.0である。
で表されるジケトン及び、下記式(6)
で表されるβ-ケトエステルを有する〈1〉に記載のアルミニウムキレート化合物。ただし、上記ジケトン(5)の平均配位分子数がアルミニウムに対して、0.5~2.5、上記β-ケトエステル(6)の平均配位分子数が0.5~2.5であり、(5)及び(6)の合計した平均配位分子数は3.0である。
で表される構造を1分子中に少なくとも1つ有するアルコキシシリル-エチレン基末端ポリマーを100質量部と、
(D)アルミニウムキレート化合物を0.001~15質量部と、
を含有する室温硬化性樹脂組成物。
(C)下記一般式
で表される構造を1分子中に少なくとも1つ有するアルコキシシリル-エチレン基含有化合物 0.1~30質量部と、
(D)アルミニウムキレート化合物を0.001~15質量部と、
を含有する室温硬化性オルガノポリシロキサン組成物。
また、本発明の室温硬化性オルガノポリシロキサン組成物は、耐熱性、耐水性、耐湿性のみならず、速硬化性、保存安定性に優れ、とりわけ耐UV変色性が少ない硬化物を与えることができる。例えば、本発明組成物は、12ヶ月間の貯蔵後でも、空気中に曝すと速やかに硬化する。また、昨今規制対象となっている錫化合物を用いる必要がないため、環境負荷が低い組成物である。
従って、本発明の室温硬化性オルガノポリシロキサン組成物は、耐熱性、耐水性、耐湿性が必要な箇所のシーリング材、コーティング剤、接着剤として有用である。とりわけ、耐スチーム性、耐水性が必要な建築用途、電気電子用接着剤として有用である。
本発明の上記アルミニウムキレート化合物は、室温硬化型樹脂の硬化剤として好適な化合物である。
[(A)成分]
本発明において、(A)成分は、下記一般式
で表される構造を1分子中に少なくとも1つ有するアルコキシシリル-エチレン基末端ポリマーである。
上記式中、R1、R2の置換又は非置換の一価炭化水素基としては、メチル基、エチル基、プロピル基、ブチル基、ペンチル基、ヘキシル基、ヘプチル基、オクチル基、ノニル基、デシル基、オクタデシル基等のアルキル基;シクロペンチル基、シクロヘキシル基等のシクロアルキル基;ビニル基、アリル基、ブテニル基、ペンテニル基、ヘキセニル基等のアルケニル基;フェニル基、トリル基、キシリル基、α-,β-ナフチル基等のアリール基;ベンジル基、2-フェニルエチル基、3-フェニルプロピル基等のアラルキル基;また、これらの基の水素原子の一部又は全部が、F、Cl、Br等のハロゲン原子やシアノ基等で置換された基、例えば、3-クロロプロピル基、3,3,3-トリフルオロプロピル基、2-シアノエチル基等を例示することができる。これらの中でも、メチル基、エチル基が好ましく、メチル基が特に好ましい。
(B)成分のジオルガノポリシロキサンは、本発明の室温硬化性オルガノポリシロキサン組成物の主剤(ベースポリマー)であり、分子中に少なくとも2個の珪素原子に結合した水酸基又は加水分解性基を有するものである。このようなジオルガノポリシロキサンとして、具体的には、下記一般式(15)又は(16)で表される分子鎖末端が水酸基又は加水分解性基で封鎖されたジオルガノポリシロキサンが挙げられる。
上記式中、Rの置換又は非置換の一価炭化水素基としては、メチル基、エチル基、プロピル基、ブチル基、ペンチル基、ヘキシル基、ヘプチル基、オクチル基、ノニル基、デシル基、オクタデシル基等のアルキル基、シクロペンチル基、シクロヘキシル基等のシクロアルキル基、ビニル基、アリル基、ブテニル基、ペンテニル基、ヘキセニル基等のアルケニル基、フェニル基、トリル基、キシリル基、α-,β-ナフチル基等のアリール基、ベンジル基、2-フェニルエチル基、3-フェニルプロピル基等のアラルキル基、また、これらの基の水素原子の一部又は全部が、F、Cl、Br等のハロゲン原子やシアノ基等で置換された基、例えば、3-クロロプロピル基、3,3,3-トリフルオロプロピル基、2-シアノエチル基等を例示することができる。これらの中でも、メチル基、エチル基、フェニル基が好ましく、メチル基が特に好ましい。
Yは、上記ジオルガノポリシロキサンの分子鎖末端における加水分解性基であり、例えば、メトキシ基、エトキシ基、プロポキシ基等のアルコキシ基、メトキシエトキシ基、エトキシエトキシ基、メトキシプロポキシ基等のアルコキシアルコキシ基、アセトキシ基、オクタノイルオキシ基、ベンゾイルオキシ基等のアシロキシ基、ビニロキシ基、イソプロペニルオキシ基、1-エチル-2-メチルビニルオキシ基等のアルケニルオキシ基、ジメチルケトオキシム基、メチルエチルケトオキシム基、ジエチルケトオキシム基等のケトオキシム基、ジメチルアミノ基、ジエチルアミノ基、ブチルアミノ基、シクロヘキシルアミノ基等のアミノ基、ジメチルアミノキシ基、ジエチルアミノキシ基等のアミノキシ基、N-メチルアセトアミド基、N-エチルアセトアミド基、N-メチルベンズアミド基等のアミド基等が挙げられる。これらの中でも、アルコキシ基が好ましく、メトキシ基、エトキシ基がより好ましく、メトキシ基が特に好ましい。
(B)成分のジオルガノポリシロキサンの具体例としては、例えば、下記式で表されるものが挙げられる。
(C)成分は下記一般式の構造を1分子中に少なくとも1つ有するアルコキシシリル-エチレン基含有化合物であり、(B)成分の架橋剤である。
ここで用いる付加反応触媒としては、白金族金属系触媒、例えば白金系、パラジウム系、ロジウム系のものが挙げられるが、白金系のものが特に好適である。この白金系のものとしては、白金黒あるいはアルミナ、シリカ等の担体に固体白金を担持させたもの、塩化白金酸、アルコール変性塩化白金酸、塩化白金酸とオレフィンとの錯体あるいは白金とビニルシロキサンとの錯体等を例示することができる。これらの触媒の使用量は、所謂触媒量でよく、例えばトリアルコキシシラン類に対して、白金族金属換算で0.1~1,000ppm、特に0.5~100ppmの量で使用される。
この反応は、一般に50~120℃、特に60~100℃の温度で、0.5~12時間、特に1~6時間行うことが望ましく、また溶媒を使用せずに行うことができるが、上記付加反応等に悪影響を与えない限りにおいて、必要によりトルエン、キシレン等の適当な溶媒を使用することができる。
(C)成分の具体例としては、例えば、下記式で表されるものが挙げられる。
(D)成分のアルミニウムキレート化合物は硬化触媒であり、本願発明を達成するために重要な成分である。(D)成分のアルミニウムキレート化合物としては、上述のものが挙げられる。
(D)成分のアルミニウムキレート化合物は1種でも2種以上を混合して使用してもよい。
(D)成分の配合量は、前記(A)成分又は(B)成分100質量部に対して0.001~15質量部であり、特に0.005~10質量部が好ましい。
[(E)成分]
(E)成分である(C)成分以外のシラン及び/又はその部分加水分解縮合物は架橋剤である。具体例としては、例えば、エチルシリケート、プロピルシリケート、メチルトリメトキシシラン、メチルトリエトキシシラン、ビニルトリメトキシシラン、ビニルトリエトキシシラン、メチルトリス(メトキシエトキシ)シラン、ビニルトリス(メトキシエトキシ)シラン、メチルトリプロペノキシシラン、等及びこれらの部分加水分解縮合物が挙げられる。これらは1種単独でも2種以上を組み合わせても使用することができる。
(F)成分は充填剤であり、この組成物から形成される硬化物に十分な機械的強度を与えるために使用される。この充填剤としては公知のものを使用することができ、例えば微粉末シリカ、煙霧質シリカ、シリカエアロゲル、沈降シリカ、珪藻土、酸化鉄、酸化亜鉛、酸化チタンなどの金属酸化物、あるいはこれらの表面をシラン処理したもの、炭酸カルシウム、炭酸マグネシウム、炭酸亜鉛などの金属炭酸塩、アスベスト、ガラスウール、カーボンブラック、微粉マイカ、溶融シリカ粉末、ポリスチレン、ポリ塩化ビニル、ポリプロピレンなどの合成樹脂粉末等が使用される。
(G)成分は接着助剤であり、この組成物から形成される硬化物に十分な接着性を与えるために使用される。
(G)成分としては、特にγ-アミノプロピルトリエトキシシラン、3-2-(アミノエチルアミノ)プロピルトリメトキシシラン等のアミノシラン類、γ-グリシドキシプロピルトリメトキシシラン、β-(3,4-エポキシシクロヘキシル)エチルトリメトキシシラン等のエポキシシラン類、イソシアネートシラン等が好ましい。
また、前記室温硬化性オルガノポリシロキサン組成物は、室温で放置することにより硬化するが、その成形方法、硬化条件などは、組成物の種類に応じた公知の方法、条件を採用することができる。
50mlナス型フラスコにアルミニウムトリエトキシド0.81g(5.0mmol)およびトルエン2.0mlを仕込み、撹拌しながら4,4-ジメチル-3-オキソペンタン酸メチル1.58g(10.0mmol)、継いで2,4-ペンタンジオン0.50g(5.0mmol)を滴下した。室温で24時間撹拌した後、生成したエタノールを留出させ、黄色粘稠液体のもので平均構造としてはモノアセチルアセトネートアルミニウムビス(メチルピバロイルアセトアセテート)キレートであるものを2.20g(収率100%)得た。
1H-NMRスペクトル:
δ0.91~0.98ppm(H比6、-C(O)-C(CH3)3)
1.84~1.92ppm(H比6、-C(O)-CH3)
4.11~4.18ppm(H比6、-OCH3)
4.90~5.40ppm(H比3、-C(O)CHC(O)-)
1H-NMRスペクトルの測定の結果から、ここで得られたものは式(7)の構造のモノアセチルアセトネートアルミニウムビス(メチルピバロイルアセトアセテート)キレートを平均構造とするものであると考えられる。
50mlナス型フラスコにアルミニウムトリエトキシド0.81g(5.0mmol)およびトルエン2.0mlを仕込み、撹拌しながら4,4,4-トリフルオロアセト酢酸エチル1.84g(10.0mmol)、継いで2,4-ペンタンジオン0.50g(5.0mmol)を滴下した。室温で24時間撹拌した後、生成したエタノールを留出させ、黄色粘稠液体のもので平均構造としてはモノアセチルアセトネートアルミニウムビス(エチル-4,4,4-トリフルオロアセトアセテート)キレートであるものを2.46g(収率100%)得た。
1H-NMRスペクトル:
δ1.17~1.21ppm(H比6、-OCH2CH3)
1.89~1.93ppm(H比6、-C(O)-CH3)
4.11~4.18ppm(H比4、-OCH2CH3)
5.29~5.43ppm(H比3、-C(O)CHC(O)-)
1H-NMRスペクトルの測定の結果から、ここで得られたものは式(8)の構造のモノアセチルアセトネートアルミニウムビス(エチル-4,4,4-トリフルオロアセトアセテート)キレートを平均構造とするものであると考えられる。
50mlナス型フラスコにアルミニウムトリエトキシド0.81g(5.0mmol)およびトルエン2.0mlを仕込み、撹拌しながらアセト酢酸エチル1.30g(10.0mmol)、継いでジピバロイルメタン0.92g(5.0mmol)を滴下した。室温で24時間撹拌した後、生成したエタノールおよびトルエンを留出させ、黄色粘稠液体のもので平均構造としてはモノ(ジピバロイルメタン)アルミニウムビス(エチルアセトアセテート)キレートであるものを2.34g(収率100%)得た。
1H-NMRスペクトル:
δ0.91~1.04ppm(H比6、-OCH2CH3)
1.16~1.24ppm(H比18、-C(O)-C(CH3)3)
1.82~1.86ppm(H比6、-C(O)-CH3)
3.96~4.11ppm(H比4、-OCH2CH3)
5.18~5.90ppm(H比3、-C(O)CHC(O)-)
1H-NMRスペクトルの測定の結果から、ここで得られたものは式(9)の構造のモノ(ジピバロイルメタン)アルミニウムビス(エチルアセトアセテート)キレートを平均構造とするものであると考えられる。
粘度970mPa・sの分子鎖両末端がトリメトキシシリル-エチレン基で封鎖されたジメチルポリシロキサン100部と、実施例1で調製したモノアセチルアセトネートアルミニウムビス(メチルピバロイルアセトアセテート)キレート0.5部を湿気遮断下で均一になるまで混合して組成物を調製した。調製直後の各組成物をガラスシャーレに押し出し、23℃,50%RHの空気に曝し、24時間放置して得た硬化物の硬さを、JIS K-6249のデュロメーターA硬度計を用いて測定した。
粘度970mPa・sの分子鎖両末端がトリメトキシシリル-エチレン基で封鎖されたジメチルポリシロキサン100部と、実施例2で調製したモノアセチルアセトネートアルミニウムビス(エチル-4,4,4-トリフルオロアセトアセテート)キレート0.5部を湿気遮断下で均一になるまで混合して組成物を調製した。調製直後の各組成物をガラスシャーレに押し出し、23℃,50%RHの空気に曝し、24時間放置して得た硬化物の硬さを、JIS K-6249のデュロメーターA硬度計を用いて測定した。
粘度970mPa・sの分子鎖両末端がトリメトキシシリル-エチレン基で封鎖されたジメチルポリシロキサン100部と、実施例3で調製したモノアセチルアセトネートアルミニウムビス(メチルピバロイルアセトアセテート)キレート0.5部を湿気遮断下で均一になるまで混合して組成物を調製した。調製直後の各組成物をガラスシャーレに押し出し、23℃,50%RHの空気に曝し、24時間放置して得た硬化物の硬さを、JIS K-6249のデュロメーターA硬度計を用いて測定した。
実施例4~6において、分子鎖末端がトリメトキシシリル-エチレン基で封鎖されたジメチルポリシロキサン100部の代わりに、分枝鎖末端がトリメトキシシリル-エタン基で封鎖されたジメチルポリシロキサン100部を用いた以外は同様に組成物を調製した。
実施例4において、実施例1で合成したアルミニウムキレート化合物0.5部の代わりに、モノアセチルアセトネートアルミニウムビス(エチルアセトアセテート)76%イソプロパノール溶液(商品名:アルミキレートD、川研ファインケミカル(株)社製)、又はモノアセチルアセトネートアルミニウムビス(2-エチルへキシルアセトアセテート)0.5部を用いた以外は同様に組成物を調製した。
実施例7において、実施例1で合成したアルミニウムキレート化合物0.5部の代わりに、モノアセチルアセトネートアルミニウムビス(エチルアセトアセテート)76%イソプロパノール溶液(商品名:アルミキレートD、川研ファインケミカル(株)社製)、又はモノアセチルアセトネートアルミニウムビス(2-エチルへキシルアセトアセテート)0.5部を用いた以外は同様に組成物を調製した。
合成例1
実施例で用いた両末端がトリメトキシシリル-エチレン基で封鎖されたジメチルポリシロキサン化合物の合成方法は、以下の通りである。
<両末端エチニル基含有ジメチルポリシロキサン化合物の合成>
機械攪拌機、温度計及び滴下ロートを備えた5000mLの四つ口セパラブルフラスコに、オクタメチルシクロテトラシロキサン3050g、1,3-ジエチニル-1,1,3,3-テトラメチルジシロキサン32g、濃硫酸(H2SO4)154gを入れ、室温(23℃)で3時間以上撹拌した。その後、水(H2O)66gを加え、1時間以上撹拌し、トルエン500mLを加え、廃酸分離後にトルエン溶液を中性になるまで水洗洗浄した。トルエンと低分子シロキサンを150℃/8mmHgで、減圧下ストリップして下記に示す粘度935mPa・sのポリマーAを得た。
機械攪拌機、温度計及び滴下ロートを備えた5000mLの四つ口セパラブルフラスコに、ポリマーA1000g、トリメトキシシラン6.4g、塩化白金酸(H2PtCl6・6H2O)0.5gを入れ、70℃で3時間撹拌した。その後、120℃/20mmHgで減圧下ストリップして下記に示す粘度970mPa・sのポリマーBを得た。
粘度970mPa・sの分子鎖両末端がトリメトキシシリル-エチレン基で封鎖されたジメチルポリシロキサン(ポリマーB)100部と、モノアセチルアセトネートアルミニウムビス(エチルアセトアセテート)76%イソプロパノール溶液(商品名:アルミキレートD、川研ファインケミカル(株)社製)0.5部を湿気遮断下で均一になるまで混合して組成物を調製した。
粘度970mPa・sの分子鎖両末端がトリメトキシシリル-エチレン基で封鎖されたジメチルポリシロキサン(ポリマーB)100部と、実施例2で得たモノアセチルアセトネートアルミニウムビス(エチル-4,4,4-トリフルオロアセトアセテート)キレート0.5部を湿気遮断下で均一になるまで混合して組成物を調製した。
粘度970mPa・sの分子鎖両末端がトリメトキシシリル-エチレン基で封鎖されたジメチルポリシロキサン(ポリマーB)100部と、実施例1で得たモノアセチルアセトネートアルミニウムビス(メチルピバロイルアセトアセテート)キレート0.5部を湿気遮断下で均一になるまで混合して組成物を調製した。
粘度970mPa・sの分子鎖両末端がトリメトキシシリル-エチレン基で封鎖されたジメチルポリシロキサン(ポリマーB)100部と、実施例3で得たモノ(ジピバロイルメタン)アルミニウムビス(エチルアセトアセテート)キレート0.5部を湿気遮断下で均一になるまで混合して組成物を調製した。
粘度700mPa・sの分子鎖両末端が水酸基で封鎖されたジメチルポリシロキサン100部と、下記化合物 6部、モノアセチルアセトネートアルミニウムビス(メチルピバロイルアセトアセテート)キレート0.5部を湿気遮断下で均一になるまで混合して組成物を調製した。
実施例10~13において、分子鎖両末端がトリメトキシシリル-エチレン基で封鎖されたジメチルポリシロキサン100部の代わりに分子鎖末端がトリメトキシシリル-エタン基で封鎖されたジメチルポリシロキサン100部を用いた以外は同様に組成物を調製した。
実施例10~13において、分子鎖両末端がトリメトキシシリル-エチレン基で封鎖されたジメチルポリシロキサン100部の代わりに分子鎖末端がトリメトキシシロキシ基で封鎖されたジメチルポリシロキサン100部を用いた以外は同様に組成物を調製した。
粘度970mPa・sの分子鎖両末端がトリメトキシシリル-エチレン基で封鎖されたジメチルポリシロキサン(ポリマーB)100部と、ジオクチル錫ジラウレート0.5部を湿気遮断下で均一になるまで混合して組成物を調製した。
粘度970mPa・sの分子鎖両末端がトリメトキシシリル-エチレン基で封鎖されたジメチルポリシロキサン(ポリマーB)100部と、ジアザビシクロウンデセン1部を湿気遮断下で均一になるまで混合して組成物を調製した。
実施例10~14及び比較例5~14で調製された各組成物のタックフリータイムを測定した。
また、実施例10~14及び比較例5~14で調製された調製直後の各組成物を厚さ2mmのシート状に押し出し、23℃,50%RHの空気に曝し、次いで、該シートを同じ雰囲気下に7日間放置して得た硬化物の物性(初期物性)を、JIS K-6249に準拠して測定した。なお、硬さは、JIS K-6249のデュロメーターA硬度計を用いて測定した。
更に、この硬化物を85℃,85%RHの恒温恒湿器に100時間保管したものを同様に測定した。また、実施例10~14及び比較例5~14で調製された調製直後の各組成物を密閉容器に入れて、70℃の温度で7日間放置したものから作った厚さ2mmのシートについても同様の測定を行った。
これらの結果を下記表に示した。
Claims (9)
- 下記一般式(1)
〔式中、R1~R3は置換若しくは非置換の炭素原子数1~12の一価炭化水素基又はハロゲン原子を示し、同一でも異なっていても良い。R4は水素原子又は置換若しくは非置換の炭素原子数1~12の一価炭化水素基を示す。Aは下記式(2)
(式中、R5~R7は置換若しくは非置換の炭素原子数1~12の一価炭化水素基又はハロゲン原子を示し、同一でも異なっていても良い。)
で示される基又は-OR8
(R8は置換若しくは非置換の炭素原子数1~5の一価炭化水素基である。)
で示される基である。〕
で表されるβ-ジカルボニル化合物を有するアルミニウムキレート化合物。ただし、上記一般式(1)で表されるβ-ジカルボニル化合物のアルミニウムに対する平均配位数は0.5~2.5である。 - 下記式(3)
(式中、R1~R3は置換若しくは非置換の炭素原子数1~12の一価炭化水素基又はハロゲン原子を示し、同一でも異なっていても良い。R8は置換若しくは非置換の炭素原子数1~5の一価炭化水素基である。)
で表されるβ-ケトエステル及び、下記式(4)
(式中、R9及びR10は置換若しくは非置換の炭素原子数1~12の一価炭化水素基を示し、同一でも異なっていても良い。R4は、水素原子又は置換若しくは非置換の炭素原子数1~12の一価炭化水素基である。)
で表されるジケトンを有する請求項1に記載のアルミニウムキレート化合物。ただし、上記β-ケトエステル(3)の平均配位分子数がアルミニウムに対して、0.5~2.5、上記ジケトン(4)の平均配位分子数が0.5~2.5であり、(3)及び(4)の合計した平均配位分子数は3.0である。 - 下記式(5)
〔式中、R1~R3は置換若しくは非置換の炭素原子数1~12の一価炭化水素基又はハロゲン原子を示し、同一でも異なっていても良い。R4は水素原子又は置換若しくは非置換の炭素原子数1~12の一価炭化水素基を示す。R5~R7は置換若しくは非置換の炭素原子数1~12の一価炭化水素基又はハロゲン原子を示し、同一でも異なっていても良い。)
で表されるジケトン及び、下記式(6)
(式中、R11は炭素原子数1~12の直鎖一価炭化水素基を示し、R8は置換若しくは非置換の炭素原子数1~5の一価炭化水素基である。)
で表されるβ-ケトエステルを有する請求項1に記載のアルミニウムキレート化合物。ただし、上記ジケトン(5)の平均配位分子数がアルミニウムに対して、0.5~2.5、上記β-ケトエステル(6)の平均配位分子数が0.5~2.5であり、(5)及び(6)の合計した平均配位分子数は3.0である。 - 請求項1~3の何れか1項記載のアルミニウムキレート化合物を含有する樹脂の硬化触媒。
- (D)成分が、請求項1、2又は3記載のアルミニウムキレート化合物である、請求項5又は6記載の室温硬化性樹脂組成物
- 請求項5~7の何れか1項記載の室温硬化性樹脂組成物を硬化して得られる成形物。
- 請求項5~7の何れか1項記載の室温硬化性樹脂組成物を含有するコーティング剤、接着剤又はシーリング剤。
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WO2015093139A1 (ja) * | 2013-12-17 | 2015-06-25 | 信越化学工業株式会社 | 多成分系室温硬化性オルガノポリシロキサン組成物、該組成物の硬化物及び該硬化物からなる成型物 |
WO2015194340A1 (ja) * | 2014-06-16 | 2015-12-23 | 信越化学工業株式会社 | 室温硬化性オルガノポリシロキサン組成物及び該室温硬化性オルガノポリシロキサン組成物の硬化物である成形物 |
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EP2937375B1 (en) * | 2012-12-20 | 2020-08-05 | Shin-Etsu Chemical Co., Ltd. | Novel ethynyl-group-containing organopolysiloxane compound, method for producing straight-chain organopolysiloxane compound containing ethynyl group at both molecular chain ends, method for producing alkoxysilyl-ethynyl-group-terminated organosiloxane polymer, room-temperature-curable composition, and molded article that is cured product of same |
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- 2014-05-01 US US14/891,030 patent/US20160083524A1/en not_active Abandoned
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2015093139A1 (ja) * | 2013-12-17 | 2015-06-25 | 信越化学工業株式会社 | 多成分系室温硬化性オルガノポリシロキサン組成物、該組成物の硬化物及び該硬化物からなる成型物 |
JPWO2015093139A1 (ja) * | 2013-12-17 | 2017-03-16 | 信越化学工業株式会社 | 多成分系室温硬化性オルガノポリシロキサン組成物、該組成物の硬化物及び該硬化物からなる成型物 |
US9850349B2 (en) | 2013-12-17 | 2017-12-26 | Shin-Etsu Chemical Co., Ltd. | Multicomponent room temperature-curable organopolysiloxane composition, cured product of said composition, and molded product comprising said cured product |
WO2015194340A1 (ja) * | 2014-06-16 | 2015-12-23 | 信越化学工業株式会社 | 室温硬化性オルガノポリシロキサン組成物及び該室温硬化性オルガノポリシロキサン組成物の硬化物である成形物 |
JPWO2015194340A1 (ja) * | 2014-06-16 | 2017-06-01 | 信越化学工業株式会社 | 室温硬化性オルガノポリシロキサン組成物及び該室温硬化性オルガノポリシロキサン組成物の硬化物である成形物 |
US10040923B2 (en) | 2014-06-16 | 2018-08-07 | Shin-Etsu Chemical Co., Ltd. | Room-temperature-curable organopolysiloxane composition, and moulded product comprising cured product of said room-temperature-curable organopolysiloxane composition |
Also Published As
Publication number | Publication date |
---|---|
US20190169373A1 (en) | 2019-06-06 |
KR102151473B1 (ko) | 2020-09-03 |
KR20160008234A (ko) | 2016-01-21 |
EP2998287B1 (en) | 2023-07-19 |
CN105209425B (zh) | 2017-12-12 |
EP2998287A4 (en) | 2016-12-14 |
CN105209425A (zh) | 2015-12-30 |
US10428183B2 (en) | 2019-10-01 |
EP2998287A1 (en) | 2016-03-23 |
US20160083524A1 (en) | 2016-03-24 |
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