JP6497291B2 - 絶縁放熱シート - Google Patents
絶縁放熱シートInfo
- Publication number
- JP6497291B2 JP6497291B2 JP2015202624A JP2015202624A JP6497291B2 JP 6497291 B2 JP6497291 B2 JP 6497291B2 JP 2015202624 A JP2015202624 A JP 2015202624A JP 2015202624 A JP2015202624 A JP 2015202624A JP 6497291 B2 JP6497291 B2 JP 6497291B2
- Authority
- JP
- Japan
- Prior art keywords
- group
- parts
- heat
- mass
- boron nitride
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000017525 heat dissipation Effects 0.000 title description 7
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 45
- 229910052582 BN Inorganic materials 0.000 claims description 44
- 239000000203 mixture Substances 0.000 claims description 24
- 229920001296 polysiloxane Polymers 0.000 claims description 24
- 238000004073 vulcanization Methods 0.000 claims description 15
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 12
- 229920006136 organohydrogenpolysiloxane Polymers 0.000 claims description 12
- 125000003342 alkenyl group Chemical group 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 10
- 238000006116 polymerization reaction Methods 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 150000002978 peroxides Chemical class 0.000 claims description 7
- 239000003431 cross linking reagent Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- -1 that is Chemical compound 0.000 description 22
- 238000000034 method Methods 0.000 description 16
- 125000004432 carbon atom Chemical group C* 0.000 description 12
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 12
- 239000002245 particle Substances 0.000 description 11
- 125000001183 hydrocarbyl group Chemical group 0.000 description 10
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 9
- 125000001731 2-cyanoethyl group Chemical group [H]C([H])(*)C([H])([H])C#N 0.000 description 7
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 7
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 7
- 125000001931 aliphatic group Chemical group 0.000 description 6
- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 description 6
- 125000000068 chlorophenyl group Chemical group 0.000 description 6
- 239000000945 filler Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 125000004093 cyano group Chemical group *C#N 0.000 description 5
- 125000001207 fluorophenyl group Chemical group 0.000 description 5
- 238000005469 granulation Methods 0.000 description 5
- 239000011164 primary particle Substances 0.000 description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 125000003118 aryl group Chemical group 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 4
- 238000004132 cross linking Methods 0.000 description 4
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 4
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 230000003179 granulation Effects 0.000 description 4
- 125000005843 halogen group Chemical group 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 125000003944 tolyl group Chemical group 0.000 description 4
- 125000005999 2-bromoethyl group Chemical group 0.000 description 3
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 3
- 125000003710 aryl alkyl group Chemical group 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 3
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
- 125000005998 bromoethyl group Chemical group 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 239000011231 conductive filler Substances 0.000 description 3
- 125000000753 cycloalkyl group Chemical group 0.000 description 3
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 3
- 125000002704 decyl group Chemical group [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])* 0.000 description 3
- 125000003438 dodecyl group Chemical group [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])* 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine 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
- 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
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 125000006178 methyl benzyl group Chemical group 0.000 description 3
- 125000001624 naphthyl group Chemical group 0.000 description 3
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- 125000001400 nonyl 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])[H] 0.000 description 3
- 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 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 3
- 125000000286 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
- 125000004344 phenylpropyl group Chemical group 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 125000000547 substituted alkyl group Chemical group 0.000 description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- 125000005023 xylyl group Chemical group 0.000 description 3
- LTPBRCUWZOMYOC-UHFFFAOYSA-N Beryllium oxide Chemical compound O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000004931 aggregating effect Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 150000001451 organic peroxides Chemical class 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical compound Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 description 2
- QBERHIJABFXGRZ-UHFFFAOYSA-M rhodium;triphenylphosphane;chloride Chemical compound [Cl-].[Rh].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 QBERHIJABFXGRZ-UHFFFAOYSA-M 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000001694 spray drying Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 125000000725 trifluoropropyl group Chemical group [H]C([H])(*)C([H])([H])C(F)(F)F 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- WRXCBRHBHGNNQA-UHFFFAOYSA-N (2,4-dichlorobenzoyl) 2,4-dichlorobenzenecarboperoxoate Chemical compound ClC1=CC(Cl)=CC=C1C(=O)OOC(=O)C1=CC=C(Cl)C=C1Cl WRXCBRHBHGNNQA-UHFFFAOYSA-N 0.000 description 1
- ZICNIEOYWVIEQJ-UHFFFAOYSA-N (2-methylbenzoyl) 2-methylbenzenecarboperoxoate Chemical compound CC1=CC=CC=C1C(=O)OOC(=O)C1=CC=CC=C1C ZICNIEOYWVIEQJ-UHFFFAOYSA-N 0.000 description 1
- OXYKVVLTXXXVRT-UHFFFAOYSA-N (4-chlorobenzoyl) 4-chlorobenzenecarboperoxoate Chemical compound C1=CC(Cl)=CC=C1C(=O)OOC(=O)C1=CC=C(Cl)C=C1 OXYKVVLTXXXVRT-UHFFFAOYSA-N 0.000 description 1
- AGKBXKFWMQLFGZ-UHFFFAOYSA-N (4-methylbenzoyl) 4-methylbenzenecarboperoxoate Chemical compound C1=CC(C)=CC=C1C(=O)OOC(=O)C1=CC=C(C)C=C1 AGKBXKFWMQLFGZ-UHFFFAOYSA-N 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- DMWVYCCGCQPJEA-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhexane Chemical compound CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C DMWVYCCGCQPJEA-UHFFFAOYSA-N 0.000 description 1
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 125000004369 butenyl group Chemical group C(=CCC)* 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 125000002603 chloroethyl group Chemical group [H]C([*])([H])C([H])([H])Cl 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 125000000596 cyclohexenyl group Chemical group C1(=CCCCC1)* 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- DIIUFWYILXGGIL-UHFFFAOYSA-N ethynylcyclohexane Chemical compound [C]#CC1CCCCC1 DIIUFWYILXGGIL-UHFFFAOYSA-N 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000006038 hexenyl group Chemical group 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000006459 hydrosilylation reaction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 125000000555 isopropenyl group Chemical group [H]\C([H])=C(\*)C([H])([H])[H] 0.000 description 1
- 238000007561 laser diffraction method Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 239000002683 reaction inhibitor Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 239000011342 resin composition 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
- 239000010703 silicon Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000003232 water-soluble binding agent Substances 0.000 description 1
- 239000011995 wilkinson's catalyst Substances 0.000 description 1
Classifications
-
- 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
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/283—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polysiloxanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- 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
-
- 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
- C08K3/38—Boron-containing compounds
-
- 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
- C08K5/04—Oxygen-containing compounds
- C08K5/14—Peroxides
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- C—CHEMISTRY; METALLURGY
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Description
即ち、本発明は、下記の絶縁放熱シート及びその製造方法を提供するものである。
(a)平均重合度3000〜10000のオルガノポリシロキサン:100質量部
(b)平均重合度2〜2000の分子鎖両末端にのみアルケニル基を有するオルガノポリシロキサン:10〜100質量部
(c)ケイ素原子に直接結合した水素原子(Si−H基)を有するオルガノハイドロジェンポリシロキサン:2〜20質量部
(d)窒化ホウ素凝集体:100〜300質量部
(e)過酸化物架橋剤:0.1〜10質量部 及び
(f)白金族系硬化触媒:0.1〜10質量部
を含有するオルガノポリシロキサン組成物の硬化物からなる絶縁放熱シート。
〔1〕記載のオルガノポリシロキサン組成物を、50℃以上100℃以下で硬化反応をさせる工程と150℃以上のプレス熱加硫工程で硬化反応させる工程にて加熱成形することを特徴とする〔1〕記載の絶縁放熱シートの製造方法。
樹脂状又はゴム状のポリマーが使用し得る。かかるポリマーとして、シリコーン、特に下記平均単位式(0)で示される平均組成式を有するオルガノポリシロキサンが好適に使用できる。
RaSiO(4−a)/2 (0)
本発明に用いられる(b)成分は、分子鎖の両末端にそれぞれ1個、合計2個のケイ素原子に結合したアルケニル基を含有するもので、特に、主鎖部分が基本的にジオルガノシロキサン単位の繰り返しからなるものが好ましい。
本発明に用いられる(c)成分のオルガノハイドロジェンポリシロキサンは、分子鎖のケイ素原子に直接結合する水素原子(即ち、Si−H基)を有するものである。
このようなオルガノハイドロジェンポリシロキサンとして、具体的には、下記平均構造式(2)で表されるものが挙げられる。
窒化ホウ素凝集体は、鱗片状窒化ホウ素の一次粒子を用い、公知の方法に従って製造することができる。具体的には、鱗片状窒化ホウ素の一次粒子を公知の方法によって凝集させた後、焼結させることによって作製することができる。ここで、焼結温度は、1,950〜2,050℃が好ましく、特に2,000℃が好ましい。凝集方法としては特に限定されないが、所定の鱗片状窒化ホウ素の一次粒子と、水溶性バインダと、水とを均一に混合して得たスラリーを上部から噴霧し、液滴が落下する間に乾燥と造粒を行うスプレードライ法が挙げられる。スプレードライ法は、大量生産によく用いられ、流動性の良い顆粒(二次凝集粒子)が得られやすい。窒化ホウ素凝集体の平均粒径を調整するには、造粒処理のスプレー速度を調整する、バインダ種類を変える、スプレー液の種類を変える等の方法が挙げられる。
窒化ホウ素凝集体の平均粒径は16μm以上、100μm以下が好ましい。平均粒径が16μmより小さいと伝熱性が悪くなり、100μmを超える場合には絶縁性が悪くなる。
該(d)成分の窒化ホウ素凝集体は(a)成分のオルガノポリシロキサン100質量部に対して100〜300質量部、特に150〜250質量部添加することが好ましい。
本発明において、オルガノポリシロキサンをプレス熱加硫によりゴムシートとするために過酸化物である架橋剤を含有せしめる。
本発明に用いられる(f)成分の白金族系硬化触媒は、(a)成分及び(b)成分中のアルケニル基と、(c)成分中のSi−H基との付加反応を促進するための触媒であり、ヒドロシリル化反応に用いられる触媒として周知の触媒が挙げられる。その具体例としては、例えば、白金(白金黒を含む)、ロジウム、パラジウム等の白金族金属単体、H2PtCl4・nH2O、H2PtCl6・nH2O、NaHPtCl6・nH2O、KHPtCl6・nH6O、Na2PtCl6・nH2O、K2PtCl4・nH2O、PtCl4・nH2O、PtCl2、Na2HPtCl4・nH2O(但し、式中、nは0〜6の整数であり、好ましくは0又は6である)等の塩化白金、塩化白金酸及び塩化白金酸塩、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コンプレックス、白金黒、パラジウム等の白金族金属をアルミナ、シリカ、カーボン等の担体に担持させたもの、ロジウム−オレフィンコンプレックス、クロロトリス(トリフェニルフォスフィン)ロジウム(ウィルキンソン触媒)、塩化白金、塩化白金酸又は塩化白金酸塩とビニル基含有シロキサン、特にビニル基含有環状シロキサンとのコンプレックスなどが挙げられる。該白金族系硬化触媒はオルガノポリシロキサン100質量部に対して0.1〜10質量部、特に0.2〜5質量部添加することが好ましい。
本発明では、上記成分の他、必要に応じて、例えば充填補強剤、分散剤、難燃助剤、耐熱助剤、希釈用有機溶剤、着色のための顔料、エチニルメチルデシルカルビノールやエチニルシクロヘキサノール等の反応抑制剤等を組成物全体の35質量%以下、好ましくは30質量%以下の量で配合することができる。
また、必要に応じて、絶縁放熱シートでは成形時に骨格となるガラス繊維クロスを含有させることもでき、熱伝導性充填剤を含有した組成物を含浸したガラス繊維クロスを含有させることもできる。このような熱伝導性充填材としては、アルミナ、シリカ、マグネシア、ベンガラ、ベリリア、チタニア、ジルコニア等の金属酸化物、窒化アルミニウム、窒化ケイ素、窒化ホウ素等の金属窒化物、人工ダイヤモンドあるいは炭化ケイ素等、一般に熱伝導性充填材とされる物質が挙げられる。これら1種単独で用いてもよいし、複数種を混合して用いてもよい。また、平均粒径の異なる粒子を2種以上用いることも可能である。
本発明の絶縁放熱シートを製造する方法は特に限定されないが、上記成分を含有するオルガノポリシロキサン組成物を、50℃以上100℃以下で硬化反応をさせる工程と150℃以上のプレス熱加硫工程で硬化反応させる工程にて加熱成形する方法が好ましい。
50℃以上100℃以下で硬化反応をさせる工程では温度が50℃より低い場合は弱い付加架橋反応が進まないために乾燥硬化後からプレス熱加硫前までの成形工程でのクラック及び脱落が発生する虞がある。また温度が100℃より高い場合は過酸化物による架橋反応が若干進んでしまうためにプレス熱加硫での十分なプレスができずに良好な伝熱性と絶縁性を得ることができないことがある。
(1)窒化ホウ素凝集体の調製
・窒化ホウ素の仮焼き
純度93%で結晶性が比較的低い鱗片状窒化ホウ素を、窒素雰囲気中、1,800℃で1時間仮焼きし、擂潰機を用いて3時間粉砕処理を行った。
・窒化ホウ素の造粒処理
パウレック製の流動層造粒乾燥コーティング装置(MP−01)に、上記の仮焼き及び粉砕処理した鱗片状窒化ホウ素500gを配置し、スプレー液として水250gを配置した。スプレー速度4g/min、給気温度80℃にて窒化ホウ素の造粒処理を行った。
・窒化ホウ素の焼成
窒素雰囲気中、造粒処理した窒化ホウ素を2,000℃で2時間焼成した。
・酸処理
焼成した窒化ホウ素を硝酸水溶液で洗浄し、130℃で2時間乾燥した。
・平均粒径
平均粒径は、レーザー回折法により体積基準の累積平均径として求めた。平均粒径は53μmであった。
(a)成分である平均重合度約6000のポリジメチルシロキサン(信越化学工業(株)製、KE−78VBSR)100質量部、キシレン340質量部をミキサーに入れて攪拌混合した。次に、(d)成分である上記窒化ホウ素凝集体200質量部を入れて攪拌混合した。次に、(b)成分である、分子鎖両末端にのみアルケニル基を有するオルガノポリシロキサン(信越化学工業(株)製、VF−600)50質量部を入れて攪拌混合した。次に(e)成分の過酸化物架橋剤(日本油脂(株)製、パーヘキサ25B)3質量部、(f)成分である、白金族系硬化触媒(信越化学工業(株)製、CAT−PL−5)1質量部を入れて攪拌混合した。エチニルメチルデシルカルビノール(北興化学工業(株)製、EMDC)0.4質量部を入れて攪拌混合した。次に、(c)成分である、ケイ素原子に直接結合した水素原子(Si−H基)を有するオルガノハイドロジェンポリシロキサン(信越化学工業(株)製、104HDM)7質量部、キシレン70部を入れて攪拌混合し、組成物を得た。
調整した組成物をドクターブレードでPETフィルム上にコーティングし、乾燥機で80℃×10分間加熱乾燥硬化した。
得られた乾燥物から200mm×300mmの形状にカッターにて2枚切断した。乾燥物表面同士が接触するように2枚を重ね、圧力150kg/cm2、170℃×10分間プレス熱加硫した。プレス熱加硫後にPETフィルムを剥して厚さ0.45mmの絶縁放熱シートを得た。
伝熱性として熱抵抗評価を行った。Analysis Tech社製、TIM Testerを用いて50℃、500kPaにて測定した。結果、1.22cm2・K/Wであった。
絶縁性として耐電圧試験を行った。4kVの直流電圧を絶縁放熱シートの両面に10秒間印加し、短絡した枚数をカウントした。50枚行い、短絡した絶縁放熱シートの枚数は0枚であった。
これらの結果を表1に示す。
表1に示す成分・組成とした以外は実施例1と同様にして組成物を得、実施例1と同様に評価を行った。結果を表1に示す。
(c)成分である、ケイ素原子に直接結合した水素原子(Si−H基)を有するオルガノハイドロジェンポリシロキサン(信越化学工業(株)製、104HDM)4質量部とした以外は実施例1と同様にして組成物を得、実施例1と同様に評価を行った。
(c)成分である、ケイ素原子に直接結合した水素原子(Si−H基)を有するオルガノハイドロジェンポリシロキサン(信越化学工業(株)製、104HDM)10質量部とした以外は実施例1と同様にして組成物を得、実施例1と同様に評価を行った。
得られた乾燥物から200mm×300mmの形状にカッターにて2枚切断し、200mm×300mmのガラスクロスを挟みながら、乾燥物表面同士が接触するように2枚を重ね、圧力150kg/cm2、170℃×10分間プレス熱加硫した以外は実施例1と同様にして組成物を得、実施例1と同様に評価を行った。
Claims (2)
- (a)平均重合度3000〜10000のオルガノポリシロキサン:100質量部
(b)平均重合度2〜2000の分子鎖両末端にのみアルケニル基を有するオルガノポリシロキサン:10〜100質量部
(c)ケイ素原子に直接結合した水素原子(Si−H基)を有するオルガノハイドロジェンポリシロキサン:2〜20質量部
(d)窒化ホウ素凝集体:100〜300質量部
(e)過酸化物架橋剤:0.1〜10質量部 及び
(f)白金族系硬化触媒:0.1〜10質量部
を含有するオルガノポリシロキサン組成物の硬化物からなる絶縁放熱シート。 - 請求項1記載のオルガノポリシロキサン組成物を、50℃以上100℃以下で硬化反応をさせる工程と150℃以上のプレス熱加硫工程で硬化反応させる工程にて加熱成形することを特徴とする請求項1記載の絶縁放熱シートの製造方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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JP2015202624A JP6497291B2 (ja) | 2015-10-14 | 2015-10-14 | 絶縁放熱シート |
EP16192994.8A EP3156457B1 (en) | 2015-10-14 | 2016-10-10 | Insulating heat dissipation sheet |
TW105132971A TWI715648B (zh) | 2015-10-14 | 2016-10-13 | 絕緣散熱片 |
KR1020160132513A KR102641083B1 (ko) | 2015-10-14 | 2016-10-13 | 절연 방열 시트 |
US15/292,957 US20170107415A1 (en) | 2015-10-14 | 2016-10-13 | Insulating heat dissipation sheet |
CN201610896001.8A CN106905698B (zh) | 2015-10-14 | 2016-10-14 | 绝缘散热片材 |
US16/138,114 US20190016938A1 (en) | 2015-10-14 | 2018-09-21 | Method for producing insulating heat dissipation sheet |
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HUE061592T2 (hu) | 2014-07-07 | 2023-07-28 | Honeywell Int Inc | Ionmegkötõt tartalmazó termális interfész |
KR102470083B1 (ko) | 2014-12-05 | 2022-11-23 | 허니웰 인터내셔널 인코포레이티드 | 저열 임피던스를 갖는 고성능 열 계면 재료 |
US10312177B2 (en) * | 2015-11-17 | 2019-06-04 | Honeywell International Inc. | Thermal interface materials including a coloring agent |
WO2017152353A1 (en) | 2016-03-08 | 2017-09-14 | Honeywell International Inc. | Phase change material |
US10501671B2 (en) | 2016-07-26 | 2019-12-10 | Honeywell International Inc. | Gel-type thermal interface material |
US11041103B2 (en) | 2017-09-08 | 2021-06-22 | Honeywell International Inc. | Silicone-free thermal gel |
US10428256B2 (en) | 2017-10-23 | 2019-10-01 | Honeywell International Inc. | Releasable thermal gel |
CN110546208A (zh) * | 2017-11-17 | 2019-12-06 | 富士高分子工业株式会社 | 二阶段固化型导热性有机硅组合物及其制造方法 |
JP6977786B2 (ja) * | 2018-01-15 | 2021-12-08 | 信越化学工業株式会社 | シリコーン組成物 |
US11072706B2 (en) | 2018-02-15 | 2021-07-27 | Honeywell International Inc. | Gel-type thermal interface material |
US11373921B2 (en) | 2019-04-23 | 2022-06-28 | Honeywell International Inc. | Gel-type thermal interface material with low pre-curing viscosity and elastic properties post-curing |
JP7139281B2 (ja) * | 2019-04-24 | 2022-09-20 | 信越化学工業株式会社 | 熱伝導性複合テープ |
JP7291590B2 (ja) * | 2019-09-25 | 2023-06-15 | 住友理工株式会社 | シリコーンゴム組成物、シリコーンゴム架橋体およびシール材 |
EP4020544B1 (en) * | 2019-09-26 | 2024-01-03 | Denka Company Limited | Heat-dissipating sheet |
WO2021187401A1 (ja) * | 2020-03-16 | 2021-09-23 | 信越化学工業株式会社 | 剥離紙又は剥離フィルム用オルガノポリシロキサン組成物 |
JP7264107B2 (ja) * | 2020-05-08 | 2023-04-25 | 信越化学工業株式会社 | 絶縁放熱シートの製造方法 |
JP7630895B2 (ja) * | 2022-05-25 | 2025-02-18 | 信越化学工業株式会社 | 絶縁性熱伝導シート |
CN118562301B (zh) * | 2024-05-20 | 2025-02-11 | 东莞市零度导热材料有限公司 | 一种防火散热绝缘片及其制备方法 |
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GB9520280D0 (en) * | 1995-10-04 | 1995-12-06 | Dow Corning Gmbh | Curable compositions |
JPH1160216A (ja) | 1997-08-04 | 1999-03-02 | Shin Etsu Chem Co Ltd | 熱伝導性窒化ホウ素フィラー及び絶縁放熱シート |
US6054518A (en) * | 1997-09-17 | 2000-04-25 | Shin-Etsu Chemical Co., Ltd. | Silicone rubber molding compositions and method for producing silicone rubber molded parts |
JP4905626B2 (ja) * | 2005-02-15 | 2012-03-28 | 信越化学工業株式会社 | 絶縁性シリコーンゴム組成物及びその硬化物 |
JP4514058B2 (ja) * | 2006-08-30 | 2010-07-28 | 信越化学工業株式会社 | 熱伝導性シリコーン組成物及びその硬化物 |
JP5749536B2 (ja) * | 2011-03-28 | 2015-07-15 | 電気化学工業株式会社 | 熱伝導性成形体とその用途 |
JP5761111B2 (ja) * | 2012-04-17 | 2015-08-12 | 信越化学工業株式会社 | 絶縁放熱シート及び窒化ホウ素の造粒方法 |
JP2014224193A (ja) * | 2013-05-16 | 2014-12-04 | 信越化学工業株式会社 | シリコーンゴム組成物の接着方法及び複合成型品 |
WO2014196347A1 (ja) * | 2013-06-07 | 2014-12-11 | 信越化学工業株式会社 | 熱伝導性複合シート及び放熱構造体 |
JP6447202B2 (ja) * | 2014-02-05 | 2019-01-09 | 三菱ケミカル株式会社 | 窒化ホウ素凝集粒子含有組成物、該窒化ホウ素凝集粒子含有樹脂組成物を用いた成形体 |
CN104788969B (zh) * | 2015-04-21 | 2018-05-01 | 深圳市安品有机硅材料有限公司 | 有机硅导热绝缘组合物及导热绝缘材料 |
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CN106905698B (zh) | 2021-02-26 |
EP3156457B1 (en) | 2018-09-05 |
TW201731961A (zh) | 2017-09-16 |
JP2017075218A (ja) | 2017-04-20 |
KR20170044041A (ko) | 2017-04-24 |
TWI715648B (zh) | 2021-01-11 |
US20190016938A1 (en) | 2019-01-17 |
CN106905698A (zh) | 2017-06-30 |
KR102641083B1 (ko) | 2024-02-28 |
EP3156457A1 (en) | 2017-04-19 |
US20170107415A1 (en) | 2017-04-20 |
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