WO2022092244A1 - 硬化性フロロシリコーン組成物 - Google Patents
硬化性フロロシリコーン組成物 Download PDFInfo
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- WO2022092244A1 WO2022092244A1 PCT/JP2021/039932 JP2021039932W WO2022092244A1 WO 2022092244 A1 WO2022092244 A1 WO 2022092244A1 JP 2021039932 W JP2021039932 W JP 2021039932W WO 2022092244 A1 WO2022092244 A1 WO 2022092244A1
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- component
- platinum
- organopolysiloxane
- bonded
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- 239000000203 mixture Substances 0.000 title claims abstract description 64
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 25
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 23
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 22
- 239000003112 inhibitor Substances 0.000 claims abstract description 21
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 18
- 125000003342 alkenyl group Chemical group 0.000 claims abstract description 15
- 125000003709 fluoroalkyl group Chemical group 0.000 claims abstract description 13
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 11
- 239000010703 silicon Substances 0.000 claims abstract description 10
- 238000006459 hydrosilylation reaction Methods 0.000 claims abstract description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 37
- 125000004432 carbon atom Chemical group C* 0.000 claims description 19
- 125000005677 ethinylene group Chemical group [*:2]C#C[*:1] 0.000 claims description 17
- 239000003054 catalyst Substances 0.000 claims description 14
- 229910052697 platinum Inorganic materials 0.000 claims description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- 125000003118 aryl group Chemical group 0.000 claims description 8
- 125000002947 alkylene group Chemical group 0.000 claims description 5
- 125000005647 linker group Chemical group 0.000 claims description 4
- 150000003058 platinum compounds Chemical class 0.000 claims description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims 1
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 239000007809 chemical reaction catalyst Substances 0.000 abstract 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 abstract 1
- -1 acetylene alcohol Chemical compound 0.000 description 43
- 239000000047 product Substances 0.000 description 10
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 9
- 229920001577 copolymer Polymers 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 6
- CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical compound Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 description 5
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 5
- QYLFHLNFIHBCPR-UHFFFAOYSA-N 1-ethynylcyclohexan-1-ol Chemical compound C#CC1(O)CCCCC1 QYLFHLNFIHBCPR-UHFFFAOYSA-N 0.000 description 4
- CEBKHWWANWSNTI-UHFFFAOYSA-N 2-methylbut-3-yn-2-ol Chemical compound CC(C)(O)C#C CEBKHWWANWSNTI-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 125000005388 dimethylhydrogensiloxy group Chemical group 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 125000006038 hexenyl group Chemical group 0.000 description 3
- 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 3
- 150000002430 hydrocarbons Chemical group 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 3
- 125000005023 xylyl group Chemical group 0.000 description 3
- VMAWODUEPLAHOE-UHFFFAOYSA-N 2,4,6,8-tetrakis(ethenyl)-2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane Chemical compound C=C[Si]1(C)O[Si](C)(C=C)O[Si](C)(C=C)O[Si](C)(C=C)O1 VMAWODUEPLAHOE-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 125000003710 aryl alkyl group Chemical group 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- 125000004369 butenyl group Chemical group C(=CCC)* 0.000 description 2
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 125000002255 pentenyl group Chemical group C(=CCCC)* 0.000 description 2
- 229920001843 polymethylhydrosiloxane Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- KSLSOBUAIFEGLT-UHFFFAOYSA-N 2-phenylbut-3-yn-2-ol Chemical compound C#CC(O)(C)C1=CC=CC=C1 KSLSOBUAIFEGLT-UHFFFAOYSA-N 0.000 description 1
- USCSRAJGJYMJFZ-UHFFFAOYSA-N 3-methyl-1-butyne Chemical compound CC(C)C#C USCSRAJGJYMJFZ-UHFFFAOYSA-N 0.000 description 1
- CUUQUEAUUPYEKK-UHFFFAOYSA-N 4-ethyloct-1-yn-3-ol Chemical compound CCCCC(CC)C(O)C#C CUUQUEAUUPYEKK-UHFFFAOYSA-N 0.000 description 1
- 239000005046 Chlorosilane Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- GKPOMITUDGXOSB-UHFFFAOYSA-N but-3-yn-2-ol Chemical compound CC(O)C#C GKPOMITUDGXOSB-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- UNJPQTDTZAKTFK-UHFFFAOYSA-K cerium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Ce+3] UNJPQTDTZAKTFK-UHFFFAOYSA-K 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- ZKXWKVVCCTZOLD-UHFFFAOYSA-N copper;4-hydroxypent-3-en-2-one Chemical compound [Cu].CC(O)=CC(C)=O.CC(O)=CC(C)=O ZKXWKVVCCTZOLD-UHFFFAOYSA-N 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000003493 decenyl group Chemical group [H]C([*])=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])[H] 0.000 description 1
- LVOXSMIIOWTHNF-UHFFFAOYSA-L dichloroplatinum hexahydrate Chemical compound O.O.O.O.O.O.Cl[Pt]Cl LVOXSMIIOWTHNF-UHFFFAOYSA-L 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000012757 flame retardant agent Substances 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- QXLPXWSKPNOQLE-UHFFFAOYSA-N methylpentynol Chemical compound CCC(C)(O)C#C QXLPXWSKPNOQLE-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000005187 nonenyl group Chemical group C(=CCCCCCCC)* 0.000 description 1
- 125000004365 octenyl group Chemical group C(=CCCCCCC)* 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 150000003057 platinum Chemical class 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- TVDSBUOJIPERQY-UHFFFAOYSA-N prop-2-yn-1-ol Chemical compound OCC#C TVDSBUOJIPERQY-UHFFFAOYSA-N 0.000 description 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000011359 shock absorbing material Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- 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
- 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
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/10—Metal compounds
- C08K3/11—Compounds containing metals of Groups 4 to 10 or of Groups 14 to 16 of the Periodic Table
-
- 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
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
-
- 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
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
- C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
-
- 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
- C08K5/56—Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
-
- 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
- C08G77/12—Polysiloxanes containing silicon bound to 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
- 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
-
- 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
- C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
- C08G77/24—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen halogen-containing groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
Definitions
- the present invention relates to a curable fluorosilicone composition.
- the curable fluorosilicone composition which is cured by an addition reaction in the presence of a catalyst for a platinum group metal-based hydrosilylation reaction, is cured to form a cured silicone product having excellent cold resistance and solvent resistance. It is also used as a sealing material (see Patent Documents 1 and 2).
- Such a curable fluorosilicone composition has a problem that the curing rate is slow, and if a sufficient curing rate is to be obtained, the pot life at room temperature is significantly shortened.
- Patent Document 3 proposes a method for controlling the curing start time and the curing time of the curable fluorosilicone composition by blending a cross-linking agent mixture containing a fluoroalkyl group-containing alkylhydrogensiloxane. ..
- Patent Document 4 in a curable silicone composition containing a catalyst for a platinum group metal-based hydrosilylation reaction, a silylated acetylene-based inhibitor is blended in an amount of 0.001 to 1 part by weight based on the total weight of the composition. It is disclosed to do. Patent Document 4 discloses that the yellowing of the obtained cured silicone product is reduced by using a silylated acetylene-based inhibitor, but the catalyst is used to secure the pot life of the composition at room temperature. There is no description about adjusting the molar ratio of aliphatic unsaturated bonds in the silylated acetylene-based inhibitor to the platinum group metal in the medium.
- An object of the present invention is to provide a curable fluorosilicone composition having good curability and having a sufficient pot life at room temperature.
- the amount of silicon atom-bonded hydrogen atom in this component is 0.1 to 10 mol
- It consists of (C) a catalyst for a platinum group metal-based hydrosilylation reaction and (D) a silylated acetylene-based inhibitor, and the platinum group metal in the component (C) with respect to the present composition is 0.1 to 0.1 by mass. It is 100 ppm, and the molar ratio of the aliphatic unsaturated bond in the component (D) to the platinum group metal in the component (C) is 10 to 2,000.
- the component (A) preferably contains a linear organopolysiloxane having an alkenyl group bonded only to silicon atoms at both ends of the molecular chain.
- the component (B) preferably contains an organopolysiloxane having a hydrogen atom bonded only to the silicon atom at the terminal end of the molecular chain, and in particular, hydrogen bonded only to the silicon atom at both ends of the molecular chain. It is preferably a mixture of a linear organopolysiloxane having an atom and a branched organopolysiloxane having a hydrogen atom bonded only to a silicon atom at the end of the molecular chain.
- the component (C) is preferably a platinum compound or a platinum complex.
- the component (D) has a general formula: (In the formula, R 1 is the same or different hydrogen atom or monovalent hydrocarbon group, R 2 is a linking group or an alkylene group, and R 3 is an alkyl group, an alkenyl group, or an aryl group. Yes, a is an integer of 1 to 4, and b is an integer of 0 to 5.) Cyrilized acetylene inhibitor represented by, general formula: (In the equation, R 1 , R 3 , a, and b are the same as above, and c is an integer of 4 to 6). It is preferably a silylated acetylene inhibitor represented by, or a mixture thereof.
- the curable fluorosilicone composition of the present invention is characterized by having good curability and having a sufficient pot life at room temperature.
- aliphatic unsaturated bond is a general term for an aliphatic carbon-carbon double bond and an aliphatic carbon-carbon triple bond.
- the "silylated acetylene-based inhibitor” means an acetylene-based inhibitor having a silyl group, for example, US Pat. No. 5,449,802 and US Pat. No. 5,708,046. It is a reaction product in which a hydroxyl group in an acetylene alcohol-based inhibitor is substituted with a syroxy group disclosed in the present specification.
- the component (A) is the main agent of the present composition, and is an organopolysiloxane having at least two alkenyl groups and at least one fluoroalkyl group having 3 to 12 carbon atoms in one molecule.
- an alkenyl group having 2 to 12 carbon atoms such as a vinyl group, an allyl group, a butenyl group, a pentenyl group, a hexenyl group, a heptenyl group, an octenyl group, a nonenyl group and a decenyl group is used.
- the fluoroalkyl group in the component (A) is a 3,3,3-trifluoropropyl group, 4,4,4,3,3-pentafluorobutyl group, 5,5,5,4,4, 3,3-Heptafluoropentyl group, 6,6,6,5,5,4,4,3,3-nonafluorohexyl group, 7,7,7,6,6,5,5,4,4 , 3,3-Undecafluoroheptyl group is exemplified, preferably 3,3,3-trifluoropropyl group.
- the number of carbon atoms such as a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, a hexyl group and a heptyl group
- Alkyl groups having 1 to 12 alkyl groups aryls having 6 to 12 carbon atoms such as phenyl group, trill group and xsilyl group
- aralkyl groups having 7 to 12 carbon atoms such as benzyl group and phenethyl group are exemplified and preferably methyl.
- a small amount of a hydroxyl group or an alkoxy group such as a methoxy group or an ethoxy group may be bonded to the silicon atom in the component (A) as long as the object of the present invention is not impaired.
- the molecular structure of the component (A) is not limited, and examples thereof include linear, branched chain, linear with partial branch, and resin, preferably linear and linear with partial branch. Is.
- the viscosity of the component (A) at 25 ° C. is not limited, but is preferably in the range of 100 to 100,000 mPa ⁇ s or in the range of 500 to 50,000 mPa ⁇ s. This is because when the viscosity of the component (A) is not less than the lower limit of the above range, the mechanical strength of the obtained fluorosilicone cured product is improved, while when it is not more than the upper limit of the above range, the present composition This is because the handling workability and filling property of the product are improved.
- the viscosity of the component (A) is a rotational viscometer based on JIS K7117-2: 1999 "Plastic-Liquid, milky or dispersed resin-Viscosity measurement method at a constant shear rate with a rotational viscometer”. And can be measured with a rotary viscometer.
- Examples of such the component (A) include a dimethylsiloxane / methyl (3,3,3-trifluoropropyl) siloxane copolymer that blocks both ends of the molecular chain and a dimethylvinylsiloxy group that blocks both ends of the molecular chain.
- Examples thereof include propyl) siloxane copolymers, trimethylsiloxy group-blocking methyl (3,3,3-trifluoropropyl) siloxane / methylvinylsiloxane copolymers at both ends of the molecular chain, and mixtures of two or more of these.
- It preferably contains a linear organopolysiloxane having an alkenyl group attached only to the silicon atoms at both ends.
- the component (B) is a cross-linking agent of the present composition, and is an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms and at least one fluoroalkyl group having 3 to 12 carbon atoms in one molecule. ..
- a 3,3,3-trifluoropropyl group, 4,4,4,3,3-pentafluorobutyl group, 5,5,5,4,4,3, 3-Heptafluoropentyl group, 6,6,6,5,5,4,4,3,3-nonafluorohexyl group, 7,7,7,6,6,5,5,4,4,3 , 3-Undecafluoroheptyl group is exemplified, preferably 3,3,3-trifluoropropyl group.
- an alkyl group having 1 to 12 carbon atoms such as a methyl group, an ethyl group and a propyl group; a phenyl group and a trill group.
- Aryl having 6 to 12 carbon atoms such as a xylyl group is exemplified, and a methyl group and a phenyl group are preferable.
- the molecular structure of the component (B) is not limited, and examples thereof include a linear chain, a branched chain, a linear chain having a partial branch, a cyclic, and a resin. Further, the viscosity of the component (B) is not limited, but preferably the kinematic viscosity at 25 ° C. is in the range of 1 to 10,000 mm 2 / s or in the range of 1 to 2,000 mm 2 / s. ..
- the viscosity of the component (B) can be measured by a viscometer based on JIS K2283: 2000 "Crude oil and petroleum products-kinematic viscosity test method and viscosity index calculation method".
- component (B) examples include a trimethylsiloxy group-blocked methylhydrogensiloxane / methyl (3,3,3-trifluoropropyl) siloxane copolymer at both ends of the molecular chain and a trimethylsiloxy-blocked dimethylsiloxane / methyl at both ends of the molecular chain.
- Hydrogensiloxane-methyl (3,3,3-trifluoropropyl) siloxane copolymer both ends of molecular chain dimethylhydrogensiloxy group-blocking methyl (3,3,3-trifluoropropyl) polysiloxane, both ends of molecular chain Includes dimethylhydrogensiloxy group-blocking dimethylsiloxane, methylhydrogensiloxane, methyl (3,3,3-trifluoropropyl) siloxane copolymers, and mixtures of two or more of these, with only the silicon atom at the end of the molecular chain.
- an organopolysiloxane having a hydrogen atom bonded to the molecular chain particularly to a linear organopolysiloxane having a hydrogen atom bonded only to a silicon atom at both ends of the molecular chain and a silicon atom at the terminal end of the molecular chain. It is preferably a mixture with a branched organopolysiloxane having a hydrogen atom to be bonded.
- the content of the component (B) is preferably an amount in which the silicon atom-bonded hydrogen atom in the component is 0.1 to 10 mol with respect to a total of 1 mol of the aliphatic unsaturated bond in the composition. Is an amount of 0.1 to 5 mol, an amount of 0.5 to 5 mol, or an amount of 0.5 to 3 mol. This is because the composition is sufficiently cured when the content of the component (B) is at least the lower limit of the above range, while the obtained fluorosilicone is at least the upper limit of the above range. This is because the heat resistance of the cured product is improved.
- the component (C) is a catalyst for a platinum group metal-based hydrosilylation reaction for accelerating the curing of the present composition.
- the component (C) include platinum group metal catalysts such as platinum-based catalysts, rhodium-based catalysts, ruthenium-based catalysts, iridium-based catalysts, and palladium-based catalysts, and platinum-based catalysts are preferable.
- platinum-based catalyst include platinum chloride acid, platinum chloride hexahydrate, platinum dichloride, alcohol solution of platinum chloride acid, olefin complex of platinum chloride acid, platinum chloride acid and alkenylsiloxane complex, and platinum diketone complex.
- Platinum alkenylsiloxane complex and platinum olefin complex are exemplified, and platinum and alkenylsiloxane complex are preferable, and platinum 1,3-dietinyl-1,1,3,3-tetramethyldisiloxane complex and platinum molecular chain are particularly preferable. It is a double-ended dimethylvinylsiloxy group-blocking methyl (3,3,3-trifluoropropyl) siloxane oligomer complex.
- the component (D) is a silylated acetylene-based inhibitor for adjusting the curability of the present composition, and such a component (D) is, for example, US Pat. No. 5,449,802 or a US patent. It is disclosed in No. 5,708,046, for example, 1-butyne-3-ol, 1-propyne-3-ol, 2-methyl-3-butyne-2-ol, 3-methyl-1-butyne.
- -3-ol 3-methyl-1-pentyne-3-ol, 3-phenyl-1-butyne-3-ol, 4-ethyl-1-octyne-3-ol, 3,5-diethyl-1-hexine
- hydroxyl groups of -3-ol and 1-ethynyl-1-cyclohexanol are substituted with siloxy groups.
- Examples of such a component (D) include the general formula: Cyrilized acetylene inhibitor represented by, general formula: Examples thereof include silylated acetylene inhibitors represented by, or mixtures thereof.
- R 1 is the same or different from each other and is a hydrogen atom or a monovalent hydrocarbon group.
- the monovalent hydrocarbon group of R 1 is an alkyl group having 1 to 12 carbon atoms such as a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, a hexyl group and a heptyl group; a phenyl group, a trill group and a xylyl group.
- An aryl group having 6 to 12 carbon atoms such as a group; an aralkyl group having 7 to 12 carbon atoms such as a benzyl group and a phenethyl group is exemplified, and a methyl group is preferable.
- R 2 is a linking group or an alkylene group.
- alkylene group of R2 include an alkylene group having 1 to 12 carbon atoms such as a methylene group, an ethylene group, a propylene group, a butylene group, a pentylene group, a hexylene group and a heptylene group.
- R2 is preferably a linking group.
- R 3 is an alkyl group, an alkenyl group, or an aryl group.
- the alkyl group of R 3 include an alkyl group having 1 to 12 carbon atoms such as a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, a hexyl group and a heptyl group.
- the alkenyl group of R 3 include an alkenyl group having 2 to 12 carbon atoms such as a vinyl group, an allyl group, a butenyl group, a pentenyl group, a hexenyl group and a heptenyl group.
- the aryl group of R 3 include an aryl group having 6 to 12 carbon atoms such as a phenyl group, a tolyl group, and a xylyl group.
- a is an integer of 1 to 4, preferably 3 or 4.
- b is an integer of 0 to 5, preferably 0.
- c is an integer of 4 to 6, preferably 5.
- component (D) examples include the following silylated acetylene inhibitors.
- X is a hydrolyzable group, and an alkoxy group such as a methoxy group, an ethoxy group and a propoxy group; a halogen atom such as a chlorine atom; or an acetoxy group is exemplified.
- d is an integer of 1 to 4, preferably 2 or 3.
- the content of the component (C) and the component (D) in the present composition is 0.1 to 100 ppm in terms of mass of the platinum group metal in the component (C) with respect to the present composition. There is an amount such that the molar ratio of the aliphatic unsaturated bond in the component (D) to the platinum group metal in the component (C) is 100 to 2,000, preferably in the component (C).
- the platinum group metal is 0.1 to 50 ppm in mass unit, and the molar ratio of the aliphatic unsaturated bond in the component (D) to the platinum group metal in the component (C) is 150 to 1,600. Is the amount.
- the present composition may contain a known inhibitor other than the component (D) in order to improve the storage stability of the present composition and the handling workability.
- inhibitors include 1-ethynylcyclohexane-1-ol, 2-methyl-3-butyne-2-ol, 3,5-dimethyl-1-hexin-3-ol, and 2-phenyl-3-butin-.
- examples thereof include acetylene compounds such as 2-ol; enein compounds such as 3-methyl-3-pentene-1-in, 3,5-dimethyl-3-hexene-1-in; and triazole compounds such as benzotriazole.
- the content of these inhibitors is not limited, but is preferably in the range of 0.001 to 10 parts by mass or in the range of 0.01 to 10 parts by mass with respect to 100 parts by mass of the component (A).
- a metal compound such as copper acetylacetonate or copper phthalocyanine may be added to the composition for the purpose of improving the heat resistance, cold resistance, or weather resistance of the obtained fluorosilicone cured product. good.
- the content of such a metal compound is not limited, but is preferably 100 ppm at most or 50 ppm at most in terms of mass with respect to the present composition.
- composition may contain a filler as long as the object of the present invention is not impaired.
- fillers include reinforcing fillers such as fumed silica, fused silica and sedimentary silica; bulking fillers such as quartz powder, diatomaceous earth, calcium carbonate and magnesium carbonate; cerium oxide, cerium hydroxide, etc.
- Heat-resistant additives such as iron oxide; pigments such as red iron oxide, titanium oxide, and carbon black; and other flame-retardant agents are exemplified.
- the curable fluorosilicone composition of the present invention will be described in detail with reference to Examples.
- the viscosity in the examples is a value at 25 ° C.
- the pot life of the curable fluorosilicone composition at 25 ° C. was measured as follows.
- ⁇ Ratio of viscosity after 24 hours to initial viscosity The initial viscosity (mPa ⁇ s) of the curable fluorosilicone composition immediately after preparation at 25 ° C. and the viscosity (mPa ⁇ s) after allowing it to stand at 25 ° C. for 24 hours were adjusted to JIS K7117-2: 1999, respectively.
- the measurement was performed with a rotary leometer (Viscoelasticity measuring device MCR102 or 302 manufactured by Anton Pearl Co., Ltd.) according to the specified method. In this measurement, a cone plate having a diameter of 20 mm and a diameter of 2 ° was used, and the share rate was set to 10.0 (S -1 ). The ratio of the viscosity after 24 hours to this initial viscosity was determined.
- Examples 1-4, Comparative Examples 1-8> The following components were uniformly mixed so as to have the composition shown in Table 1 to Table 3, and a curable fluorosilicone composition was prepared.
- the molar ratio of the silicon atom-bonded hydrogen atom in the component (B) to the total of 1 mol of the aliphatic unsaturated bond in the present composition was set to 0.8.
- the curable fluorosilicone composition of the present invention has good curability and has a sufficient pot life at room temperature, and is therefore suitable as a protective sealing material for electrical and electronic parts such as ICs, a shock absorbing material, and the like.
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Abstract
Description
(A)一分子中に、少なくとも2つのアルケニル基、および少なくとも1つの炭素原子数3~12のフロロアルキル基を有するオルガノポリシロキサン 100質量部、
(B)一分子中に、少なくとも2つのケイ素原子結合水素原子、および少なくとも1つの炭素原子数3~12のフロロアルキル基を有するオルガノポリシロキサン 本組成物中の脂肪族不飽和結合の合計1モルに対して、本成分中のケイ素原子結合水素原子が0.1~10モルとなる量、
(C)白金族金属系ヒドロシリル化反応用触媒、および
(D)シリル化アセチレン系インヒビター
から少なくともなり、本組成物に対する前記(C)成分中の白金族金属が、質量単位で、0.1~100ppmであり、前記(C)成分中の白金族金属に対する前記(D)成分中の脂肪族不飽和結合のモル比が10~2,000であることを特徴とする。
本明細書において、「脂肪族不飽和結合」とは、脂肪族炭素-炭素二重結合および脂肪族炭素-炭素三重結合の総称である。
(A)成分は本組成物の主剤であり、一分子中に、少なくとも2つのアルケニル基、および少なくとも1つの炭素原子数3~12のフロロアルキル基を有するオルガノポリシロキサンである。(A)成分中のアルケニル基としては、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、へプテニル基、オクテニル基、ノネニル基、デセニル基等の炭素原子数2~12のアルケニル基が例示され、好ましくは、ビニル基、ヘキセニル基である。また、(A)成分中のフロロアルキル基としては、3,3,3-トリフロロプロピル基、4,4,4,3,3-ペンタフロロブチル基、5,5,5,4,4,3,3-へプタフロロペンチル基、6,6,6,5,5,4,4,3,3-ノナフロロヘキシル基、7,7,7,6,6,5,5,4,4,3,3-ウンデカフロロヘプチル基が例示され、好ましくは、3,3,3-トリフロロプロピル基である。さらに、(A)成分中のアルケニル基およびフロロアルキル基以外のケイ素原子に結合する基としては、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、ヘプチル基等の炭素原子数1~12のアルキル基;フェニル基、トリル基、キシリル基等の炭素原子数6~12のアリール;ベンジル基、フェネチル基等の炭素原子数7~12のアラルキル基が例示され、好ましくは、メチル基、フェニル基である。また、本発明の目的を損なわない範囲で、(A)成分中のケイ素原子に、少量の水酸基、あるいはメトキシ基、エトキシ基等のアルコキシ基を結合してもよい。
XdSiR3 (4-d)
で表されるクロロシランを縮合反応することにより調製することができる。なお、上式中、R1、R2、R3、b、およびcは前記と同じである。また、上式中、Xは加水分解性基であり、メトキシ基、エトキシ基、プロポキシ基等のアルコキシ基;塩素原子等のハロゲン原子;あるいはアセトキシ基が例示される。また、上式中、dは1~4の整数であり、好ましくは、2または3である。
硬化性フロロシリコーン組成物の25℃における調製直後の初期粘度(mPa・s)、およびそれを25℃で24時間静置後の粘度(mPa・s)を、それぞれ、JIS K7117-2:1999に規定の方法に準拠した回転型レオメーター(アントンパール社製の粘弾性測定装置MCR102もしくは302)で測定した。なお、この測定は、直径20mm、2°のコーンプレートを用いて、シェアレートを10.0(S-1)とした。この初期粘度に対する24時間後の粘度の比を求めた。
表1-表3に示した組成となるよう下記の成分を均一に混合して硬化性フロロシリコーン組成物を調製した。なお、本組成物中の脂肪族不飽和結合の合計1モルに対する(B)成分中のケイ素原子結合水素原子のモル比を0.8とした。
(a-1):粘度1,200mPa・sの分子鎖両末端ジメチルビニルシロキシ基封鎖メチル(3,3,3-トリフロロプロピル)ポリシロキサン(ビニル基の含有量=約1.08質量%)
(b-1):動粘度710mm2/sの分子鎖両末端ジメチルハイドロジェンシロキシ基封鎖ジメチルシロキサン・メチル(3,3,3-トリフロロプロピル)シロキサン共重合体(ケイ素原子結合水素原子の含有量=約0.024質量%)
(b-2):動粘度7mm2/sで、式:
CF3C2H4Si[OSi(CH3)2H]3
で表される分岐鎖状のオルガノポリシロキサン(ケイ素原子結合水素原子の含有量=約0.59質量%)
(c-1):白金の分子鎖両末端ジメチルビニルシロキシ基封鎖メチル(3,3,3-トリフルオロプロピル)シロキサンオリゴマー(重合度3)の錯体(白金金属の含有量=約5,000ppm)
(d-2):1-エチニル-シクロヘキサン-1-オール
(d-3):2-メチル-3-ブチン-2-オール
(d-4):1,3,5,7-テトラビニル-テトラメチルシクロテトラシロキサン
Claims (6)
- (A)一分子中に、少なくとも2つのアルケニル基、および少なくとも1つの炭素原子数3~12のフロロアルキル基を有するオルガノポリシロキサン 100質量部、
(B)一分子中に、少なくとも2つのケイ素原子結合水素原子、および少なくとも1つの炭素原子数3~12のフロロアルキル基を有するオルガノポリシロキサン 本組成物中の脂肪族不飽和結合の合計1モルに対して、本成分中のケイ素原子結合水素原子が0.1~10モルとなる量、
(C)白金族金属系ヒドロシリル化反応用触媒、および
(D)シリル化アセチレン系インヒビター
から少なくともなり、本組成物に対する前記(C)成分中の白金族金属が、質量単位で、0.1~100ppmであり、前記(C)成分中の白金族金属に対する前記(D)成分中の脂肪族不飽和結合のモル比が100~2,000である、硬化性フロロシリコーン組成物。 - (A)成分が、分子鎖両末端のケイ素原子のみに結合するアルケニル基を有する直鎖状のオルガノポリシロキサンを含む、請求項1に記載の硬化性フロロシリコーン組成物。
- (B)成分が、分子鎖末端のケイ素原子のみに結合する水素原子を有するオルガノポリシロキサンを含む、請求項1に記載の硬化性フロロシリコーン組成物。
- (B)成分が、分子鎖両末端のケイ素原子のみに結合する水素原子を有する直鎖状のオルガノポリシロキサンと、分子鎖末端のケイ素原子のみに結合する水素原子を有する分岐鎖状のオルガノポリシロキサンとの混合物である、請求項1に記載の硬化性フロロシリコーン組成物。
- (C)成分が、白金化合物、または白金錯体である、請求項1に記載の硬化性フロロシリコーン組成物。
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US5449802A (en) | 1994-12-27 | 1995-09-12 | Dow Corning Corporation | Acetylenic alcohols and ethers as accelerators for hydrosilation |
US5708046A (en) | 1995-09-21 | 1998-01-13 | Dow Corning Corporation | Silicone release coating compostions |
JPH1081825A (ja) | 1996-05-20 | 1998-03-31 | Dow Corning Corp | 白金族金属硬化性フルオロシリコーン組成物の硬化開始時間、硬化時間の制御方法 |
JP2005060554A (ja) * | 2003-08-14 | 2005-03-10 | Shin Etsu Chem Co Ltd | シリコーン粘着剤用離型剤組成物及びそれを用いた離型シート |
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TW202229460A (zh) | 2022-08-01 |
CN116472309A (zh) | 2023-07-21 |
EP4239021A1 (en) | 2023-09-06 |
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