EP3596157A1 - Vernetzung von hydridosiloxanen mit silicium(ii)-verbindungen - Google Patents
Vernetzung von hydridosiloxanen mit silicium(ii)-verbindungenInfo
- Publication number
- EP3596157A1 EP3596157A1 EP17725580.9A EP17725580A EP3596157A1 EP 3596157 A1 EP3596157 A1 EP 3596157A1 EP 17725580 A EP17725580 A EP 17725580A EP 3596157 A1 EP3596157 A1 EP 3596157A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cationic
- radicals
- compound
- radical
- mixture according
- 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.)
- Withdrawn
Links
- -1 hydridosiloxanes Chemical class 0.000 title claims abstract description 76
- 238000004132 cross linking Methods 0.000 title description 7
- SCWWYQXYCQMLOY-UHFFFAOYSA-N silicon(2+) Chemical class [Si+2] SCWWYQXYCQMLOY-UHFFFAOYSA-N 0.000 title description 3
- 150000001875 compounds Chemical class 0.000 claims abstract description 32
- 125000002091 cationic group Chemical group 0.000 claims abstract description 25
- 239000000203 mixture Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 22
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical class [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 9
- 239000000654 additive Substances 0.000 claims abstract description 7
- 150000003254 radicals Chemical class 0.000 claims description 21
- 229940126062 Compound A Drugs 0.000 claims description 13
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 150000001450 anions Chemical class 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 9
- 239000000460 chlorine Substances 0.000 claims description 8
- 229910052736 halogen Inorganic materials 0.000 claims description 8
- 150000002367 halogens Chemical class 0.000 claims description 8
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].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.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 claims description 8
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- 229920001774 Perfluoroether Polymers 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000007983 Tris buffer Substances 0.000 claims description 4
- 229910052787 antimony Inorganic materials 0.000 claims description 4
- 229910052785 arsenic Inorganic materials 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 229910052733 gallium Inorganic materials 0.000 claims description 4
- 238000006459 hydrosilylation reaction Methods 0.000 claims description 4
- UIUXUFNYAYAMOE-UHFFFAOYSA-N methylsilane Chemical compound [SiH3]C UIUXUFNYAYAMOE-UHFFFAOYSA-N 0.000 claims description 4
- 125000000538 pentafluorophenyl group Chemical group FC1=C(F)C(F)=C(*)C(F)=C1F 0.000 claims description 4
- PQDJYEQOELDLCP-UHFFFAOYSA-N trimethylsilane Chemical compound C[SiH](C)C PQDJYEQOELDLCP-UHFFFAOYSA-N 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 claims description 3
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims description 3
- UBHZUDXTHNMNLD-UHFFFAOYSA-N dimethylsilane Chemical compound C[SiH2]C UBHZUDXTHNMNLD-UHFFFAOYSA-N 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 3
- 239000003112 inhibitor Substances 0.000 claims description 3
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 3
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 claims description 3
- RSOUPWJFDIPPKZ-UHFFFAOYSA-N (2,3,4,5,6-pentachlorophenoxy)boronic acid Chemical compound OB(O)OC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RSOUPWJFDIPPKZ-UHFFFAOYSA-N 0.000 claims description 2
- JNYLMODTPLSLIF-UHFFFAOYSA-N 6-(trifluoromethyl)pyridine-3-carboxylic acid Chemical group OC(=O)C1=CC=C(C(F)(F)F)N=C1 JNYLMODTPLSLIF-UHFFFAOYSA-N 0.000 claims description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 2
- HPYIUKIBUJFXII-UHFFFAOYSA-N Cyclopentadienyl radical Chemical compound [CH]1C=CC=C1 HPYIUKIBUJFXII-UHFFFAOYSA-N 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical compound [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 claims description 2
- 239000013543 active substance Substances 0.000 claims description 2
- 239000002318 adhesion promoter Substances 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 150000004645 aluminates Chemical class 0.000 claims description 2
- ZSWFCLXCOIISFI-UHFFFAOYSA-N endo-cyclopentadiene Natural products C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 claims description 2
- HOXINJBQVZWYGZ-UHFFFAOYSA-N fenbutatin oxide Chemical compound C=1C=CC=CC=1C(C)(C)C[Sn](O[Sn](CC(C)(C)C=1C=CC=CC=1)(CC(C)(C)C=1C=CC=CC=1)CC(C)(C)C=1C=CC=CC=1)(CC(C)(C)C=1C=CC=CC=1)CC(C)(C)C1=CC=CC=C1 HOXINJBQVZWYGZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 239000012760 heat stabilizer Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 2
- 229910052741 iridium Inorganic materials 0.000 claims description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 2
- 229920000620 organic polymer Polymers 0.000 claims description 2
- 125000004437 phosphorous atom Chemical group 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000004014 plasticizer Substances 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- CCZXMDQFIVMWMF-UHFFFAOYSA-N trifluoromethoxyboronic acid Chemical compound OB(O)OC(F)(F)F CCZXMDQFIVMWMF-UHFFFAOYSA-N 0.000 claims description 2
- 239000004614 Process Aid Substances 0.000 claims 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 claims 1
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 6
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 125000002015 acyclic group Chemical group 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 2
- 150000005840 aryl radicals Chemical class 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229920005573 silicon-containing polymer Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000011877 solvent mixture Substances 0.000 description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- SLRMQYXOBQWXCR-UHFFFAOYSA-N 2154-56-5 Chemical compound [CH2]C1=CC=CC=C1 SLRMQYXOBQWXCR-UHFFFAOYSA-N 0.000 description 1
- 229960000549 4-dimethylaminophenol Drugs 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 239000005046 Chlorosilane Substances 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical class Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 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 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000000040 m-tolyl group Chemical group [H]C1=C([H])C(*)=C([H])C(=C1[H])C([H])([H])[H] 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 125000001827 mesitylenyl group Chemical group [H]C1=C(C(*)=C(C([H])=C1C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- PSHKMPUSSFXUIA-UHFFFAOYSA-N n,n-dimethylpyridin-2-amine Chemical compound CN(C)C1=CC=CC=N1 PSHKMPUSSFXUIA-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003136 n-heptyl 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])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 125000003261 o-tolyl group Chemical group [H]C1=C([H])C(*)=C(C([H])=C1[H])C([H])([H])[H] 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 150000003057 platinum Chemical class 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 1
- 230000005588 protonation Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
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
-
- 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
- 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
- C08G77/10—Equilibration 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
- C08G77/12—Polysiloxanes containing silicon bound to hydrogen
-
- 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
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
Definitions
- the invention relates to the production of crosslinked
- crosslinking of linear or branched polysiloxanes is usually carried out via a hydrosilylation reaction which is usually catalyzed by platinum complexes and in which hydridosiloxanes are reacted with vinyl-substituted siloxanes. So far, there is no simpler crosslinking process without the use of a second functionalized component. In this case, one-component systems can in principle be provided at lower cost. A one-component system for the catalytic siloxane crosslinking is therefore of great technical importance
- the invention relates to a process for the preparation of crosslinked polysiloxanes in which (A) hydridosiloxane having pendant SiH functions in the presence of (B) is reacted with a compound containing at least one cationic Si (II) moiety.
- the invention also relates to a crosslinkable mixture
- Polysiloxanes react in the presence of cationic Si (I) compounds as a catalyst to form crosslinked polysiloxanes and hydridosilanes.
- the cationic silicon (I I) compounds are stable under the reaction conditions.
- Hydridosilanes have gained technical importance, especially in the electronics industry. They are generally obtained by reduction of the corresponding chlorosilanes. This procedure is but technically complex. An uncomplicated, safe and inexpensive process for the preparation of highly inflammable and highly reactive hydridosilanes is therefore also of great industrial importance.
- the process for the preparation of crosslinked polysiloxanes takes place only with compound A and B.
- only compound A and B are present alone (mixture M1) or together with additives C which are not reactive with A and B (mixture M2).
- the compound A preferably contains at least two lateral SiH functions (hydrogen bonded directly to silicon atom) per molecule.
- the compound A is linear, branched or cyclic.
- the compound A has the general formula (I)
- R 1 , R 2 and R 3 are independently hydrogen
- Silicon atoms, nitrogen atoms, sulfur or phosphorus atoms may be replaced or halogen and
- a, b, c and d are each integer values, where a, b and d can take values from 0 to 100,000, and c values from 2 to 100,000.
- the radicals R 1, R 2 and R 3 independently of one another ⁇ hydrogen, or unsubstituted or substituted by halogen substituted unbranched, branched, linear, acyclic or cyclic, saturated or mono- or polyunsaturated C 1 -C 20 -hydrocarbon radical or unsubstituted or halogen-substituted straight, branched, linear or cyclic, saturated or mono- or polyunsaturated C 1 -C 20 -hydrocarbonoxy radical, wherein Carbon atoms may be replaced by oxygen or halogen, or chlorine.
- the oxygen atoms in the radicals R 1 , R 2 and R 3 are not adjacent.
- radicals R 1 , R 2 and R 3 are preferably, the radicals R 1 , R 2 and R 3
- C 1 -C 3 -alkyl radicals are methyl, ethyl and n-propyl radicals.
- Preferred C 1 -C 4 -alkoxy radicals are methoxy, ethoxy and n-propoxy radicals.
- radicals R 2 are both hydrogen and C 1 -C 3 -alkyl or phenyl radical.
- A is preferably from 1 to 500, in particular from 2 to 50.
- B is preferably from 1 to 500, in particular from 2 to 50.
- C is preferably from 3 to 10,000, in particular from 4 to 1000.
- d represents values of 1 to 100, in particular 2.
- the sum a + b + c + d is 4 to 20,000, especially
- the compound A may also be a mixture of various compounds of the general formula I.
- the invention also provides a process for the preparation of hydridosilanes in which (A) hydridosiloxane having pendant SiH functions is reacted in the presence of (B) compound containing at least one cationic Si (11) moiety.
- hydridosilanes of the general formula II are preferably formed in the process according to the invention.
- R ⁇ R ⁇ R ⁇ SiH h (II), wherein the radicals R 1 , R 2 and R 3 have the above meanings and preferred meanings and e, f, g and h are each integer values from 0 to 3, wherein h> 0 and the sum of e, f, g and h is 4.
- Examples of hydridosilanes of the general formula (II) are
- Methylsilane dimethylsilane, trimethylsilane and mixtures thereof.
- Compound B contains one or more cationic Si (II) groups.
- Compound B are silicon (II) compounds which are in cationic form - so-called silyliumylidene cations.
- the compound B contains a cationic Si (II) compound of the general formula III
- Cp is a ⁇ -bound cyclopentadienyl radical of the general
- Cp is the cyclopentadienyl anion which consists of a singly negatively charged, aromatic five-membered ring system CsR y 5 ⁇ ,
- R Y independently of one another means a monovalent or polyvalent radical which may also be connected to other radicals R Y to form fused rings,
- i are the values 1, 2, 3, 4 or 5.
- the radicals R Y independently of one another are preferably hydrogen, C 1 -C 20 hydrocarbon radicals, particularly preferably linear or branched, acyclic or cyclic, saturated or mono- or polyunsaturated C 1 -C 20 -alkyl or aryl, very particularly preferably C 1 -C 3 -alkyl, in particular prefers Methyl radicals.
- radicals R Y are alkyl radicals, such as the methyl, ethyl, n-propyl, iso-propyl, n-butyl, sec-butyl, iso-butyl, tert. Butyl, n-pentyl, sec-pentyl, iso-pentyl, neo-pentyl, tert.
- -Pentyl radical Hexyl radicals, such as the n-hexyl radical; Heptyl radicals, such as the n-heptyl radical; Octyl radicals, such as the n-octyl radical and iso-octyl radicals, such as the 2,4,4-trimethylpentyl radical; Nonyl radicals, such as the n-nonyl radical; Decyl radicals, such as the n-decyl radical; Dodecyl radicals, such as the n-dodecyl radical; Hexadecyl radicals, such as the n-hexadecyl radical; Octadecyl radicals, such as the n-octadecyl radical; Cycloalkyl radicals, such as the cyclopentyl, cyclohexyl, cycloheptyl and
- Methylcyclohexyl radical Aryl radicals, such as the phenyl, naphthyl, anthryl and phenanthryl radicals; Alkaryl radicals, such as the o-, m- and p-tolyl, xylyl, mesitylenyl and o-, m- and p-ethylphenyl radicals; and aralkyl radicals, such as the benzyl radical, the ⁇ - and the ⁇ -phenylethyl radical.
- Aryl radicals such as the phenyl, naphthyl, anthryl and phenanthryl radicals
- Alkaryl radicals such as the o-, m- and p-tolyl, xylyl, mesitylenyl and o-, m- and p-ethylphenyl radicals
- aralkyl radicals such as the benzyl radical, the ⁇ - and the ⁇ -phen
- radicals R a independently of one another are preferably alkyl or optionally substituted phenyl, particularly preferably branched alkyl or 2, 6-dialkylated phenyl and Hal means halogen, preferably chlorine, bromine or iodine.
- radicals R a are methyl, isopropyl, tert-butyl, 2, 6-diisopropylphenyl or 2, 4, 6-triisopropylphenyl.
- X 1 denotes any i-valent anion which under the reaction conditions of a hydrosilylation with the
- I I cationic silicon center unreacted. It can be both inorganic and organic. I preferably has the values 1, 2, or 3, in particular 1.
- aryl radical is preferably phenyl or fluorinated or with Perfluoralkyl substituted phenyl, monovalent polyhedral anion, such as Carborat-anion, or alkoxy and Aryloxymetallation.
- the preparation of the cationic Si (II) compound of the general formula (IV) can be carried out by adding an acid H + X ⁇ to the compound Si (II) Cp 2 , by which one of the anionic Cp radicals is split off in protonated form :
- the anion X "of the acid HX then forms the counterion of the cationic silicon (II) compound.
- the compound A is reacted as a crosslinking catalyst in the presence of compound B, whereby both a cross-linked silicone polymer and the hydridosilanes ERAL ⁇ NEN formula II are prepared.
- the molar fraction of the cationic silicon (II) compound B is preferably at least 0.0001 mol% and at most 10 mol%, particularly preferably at least 0.001 mol% and at most 1 mol%, based on the Si-H groups present of the compound A, most preferably at least 0.01 mol% and at most 0.1 mol%.
- the compounds A and B may be mixed in any order, the mixing taking place in a manner known to those skilled in the art.
- the compound B in the compound A by a reaction eg generates the protonation reaction described above in situ.
- the resulting hydridosilanes of general formula II can be separated from the reaction mixture in a manner known to those skilled in the art. Preferably, the separation is carried out by distillation or by extraction. The purification of the obtained
- Hydridosilanes is preferably carried out by fractional
- reaction of compound A in the presence of compound B can be carried out in the mixture M2 with or without the addition of one or
- Solvent or the solvent mixture is based on the compound A preferably at least 0.01 wt.% And at most 1000 times the amount by weight, more preferably at least 1 wt.% And at most 100 times the amount by weight, very particularly ⁇ preferably at least 10 wt. % and at most 10 times the weight.
- solvents it is possible to use aprotic solvents,
- hydrocarbons such as pentane, hexane, heptane, cyclohexane or toluene
- chlorinated hydrocarbons such as
- Tetrahydrofuran or dioxane or nitriles, e.g. Acetonitrile or propionitrile.
- Solvents or solvent mixtures having a boiling point or boiling range of up to 120 ° C. at 0.1 MPa are preferred.
- the solvents are preferably aromatic or aliphatic hydrocarbons.
- the cationic quaternary ammonium salts are preferably aromatic or aliphatic hydrocarbons.
- the cationic quaternary ammonium salts are preferably aromatic or aliphatic hydrocarbons.
- Dissolved silicon (I) compound B in a solvent and then mixed with the compound A.
- the reaction may be carried out under ambient pressure or under reduced or increased pressure.
- the pressure is preferably at least 0.01 bar and at most 100 bar, more preferably at least 0.1 bar and at most 10 bar, most preferably the reaction is at
- reaction of A in the presence of B is preferably carried out at temperatures between at least - 100 ° C and at most + 250 ° C, more preferably between at least - 20 ° C and at most 150 ° C, most preferably between at least 0 ° C and at most 100 ° C.
- the mixture M2 as additives C which are not reactive with the components A and B, can be any further compounds, e.g.
- Solvents e.g. Emulsifiers
- fillers e.g. highly disperse silica or quartz, adhesion promoters
- Stabilizers e.g. Radical inhibitors
- pigments e.g.
- Dyes or white pigments e.g. Chalk or titanium dioxide, plasticizers, organic polymers, heat stabilizers,
- Polyorganosiloxane oils such as polydimethylsiloxane oils (Ak oils), and resinous polyorganosiloxanes.
- the crosslinkable mixture (M2) contains additives (C) which are not reactive with components (A) and (B), preferably in a proportion of 0.0001 to 70% by weight, in particular to a proportion of 0.1 to 40% by weight. %.
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Abstract
Description
Claims
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2017/062426 WO2018215056A1 (de) | 2017-05-23 | 2017-05-23 | Vernetzung von hydridosiloxanen mit silicium(ii)-verbindungen |
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| EP3596157A1 true EP3596157A1 (de) | 2020-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| EP17725580.9A Withdrawn EP3596157A1 (de) | 2017-05-23 | 2017-05-23 | Vernetzung von hydridosiloxanen mit silicium(ii)-verbindungen |
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| Country | Link |
|---|---|
| US (1) | US20200207919A1 (de) |
| EP (1) | EP3596157A1 (de) |
| JP (1) | JP2020521033A (de) |
| KR (1) | KR20190137916A (de) |
| CN (1) | CN110662790A (de) |
| WO (1) | WO2018215056A1 (de) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4172242B1 (de) * | 2020-06-24 | 2024-03-20 | Dow Silicones Corporation | Zusammensetzung und verfahren zur silylhydridreaktion katalysiert durch fluorierte arylboran-lewis-säuren |
| US12398241B2 (en) * | 2020-06-24 | 2025-08-26 | Dow Global Technologies Llc | Composition and method for reacting an organosilicon compound and a silyl hydride catalyzed by a fluorinated arylborane Lewis acid |
| WO2022037793A1 (de) * | 2020-08-21 | 2022-02-24 | Wacker Chemie Ag | Verfahren zur herstellung von siloxanen |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB876708A (en) * | 1958-03-28 | 1961-09-06 | Director Of The Agency Of Ind | Process for producing alkylhydrosilanes |
| US20060211836A1 (en) | 2005-03-15 | 2006-09-21 | General Electric Company | Disproportionation of hydridosiloxanes and crosslinked polysiloxane network derived therefrom |
| DE102007037292A1 (de) * | 2007-08-07 | 2009-02-12 | Evonik Goldschmidt Gmbh | Verfahren zur Herstellung von verzweigten Polyorganosiloxanen |
-
2017
- 2017-05-23 US US16/616,173 patent/US20200207919A1/en not_active Abandoned
- 2017-05-23 JP JP2019564855A patent/JP2020521033A/ja not_active Withdrawn
- 2017-05-23 CN CN201780091165.6A patent/CN110662790A/zh not_active Withdrawn
- 2017-05-23 KR KR1020197034536A patent/KR20190137916A/ko not_active Withdrawn
- 2017-05-23 EP EP17725580.9A patent/EP3596157A1/de not_active Withdrawn
- 2017-05-23 WO PCT/EP2017/062426 patent/WO2018215056A1/de not_active Ceased
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| US20200207919A1 (en) | 2020-07-02 |
| JP2020521033A (ja) | 2020-07-16 |
| KR20190137916A (ko) | 2019-12-11 |
| CN110662790A (zh) | 2020-01-07 |
| WO2018215056A1 (de) | 2018-11-29 |
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