DE2618815A1 - Verfahren zum polymerisieren cyclischer diorganopolysiloxane - Google Patents
Verfahren zum polymerisieren cyclischer diorganopolysiloxaneInfo
- Publication number
- DE2618815A1 DE2618815A1 DE19762618815 DE2618815A DE2618815A1 DE 2618815 A1 DE2618815 A1 DE 2618815A1 DE 19762618815 DE19762618815 DE 19762618815 DE 2618815 A DE2618815 A DE 2618815A DE 2618815 A1 DE2618815 A1 DE 2618815A1
- Authority
- DE
- Germany
- Prior art keywords
- cyclic
- catalyst
- ppm
- composition
- carbon atoms
- 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- Withdrawn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
- 238000000034 method Methods 0.000 title claims description 30
- 230000000379 polymerizing effect Effects 0.000 title description 4
- -1 polysiloxane Polymers 0.000 claims description 63
- 125000004122 cyclic group Chemical group 0.000 claims description 51
- 239000000203 mixture Substances 0.000 claims description 39
- 239000003054 catalyst Substances 0.000 claims description 26
- 229920001296 polysiloxane Polymers 0.000 claims description 21
- 125000004432 carbon atom Chemical group C* 0.000 claims description 20
- 229920000570 polyether Polymers 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 229920005645 diorganopolysiloxane polymer Polymers 0.000 claims description 14
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 13
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 13
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 10
- 229920002554 vinyl polymer Polymers 0.000 claims description 10
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical group [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 5
- 239000000460 chlorine Chemical group 0.000 claims description 5
- 229910052801 chlorine Chemical group 0.000 claims description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 5
- 239000011541 reaction mixture Substances 0.000 claims description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 230000003472 neutralizing effect Effects 0.000 claims description 4
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052794 bromium Inorganic materials 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 3
- 125000001246 bromo group Chemical group Br* 0.000 claims description 2
- 101150018711 AASS gene Proteins 0.000 claims 3
- HMSWAIKSFDFLKN-UHFFFAOYSA-N hexacosane Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCC HMSWAIKSFDFLKN-UHFFFAOYSA-N 0.000 claims 2
- 229920001577 copolymer Polymers 0.000 description 26
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 24
- 239000003921 oil Substances 0.000 description 18
- 229920001971 elastomer Polymers 0.000 description 16
- 239000005060 rubber Substances 0.000 description 16
- 125000001424 substituent group Chemical group 0.000 description 10
- 238000011067 equilibration Methods 0.000 description 7
- 238000006116 polymerization reaction Methods 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000005336 cracking Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000007858 starting material Substances 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 150000001768 cations Chemical class 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 229920001519 homopolymer Polymers 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-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
- 239000000654 additive Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000007334 copolymerization reaction Methods 0.000 description 3
- 150000003983 crown ethers Chemical class 0.000 description 3
- 150000001923 cyclic compounds Chemical class 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 description 3
- 239000013638 trimer Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical class OC OKKJLVBELUTLKV-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
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- FYBYQXQHBHTWLP-UHFFFAOYSA-N bis(silyloxysilyloxy)silane Chemical class [SiH3]O[SiH2]O[SiH2]O[SiH2]O[SiH3] FYBYQXQHBHTWLP-UHFFFAOYSA-N 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000001055 chewing effect Effects 0.000 description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 2
- 235000013601 eggs Nutrition 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 150000004756 silanes Chemical class 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000005051 trimethylchlorosilane Substances 0.000 description 2
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 description 1
- HNEGJTWNOOWEMH-UHFFFAOYSA-N 1-fluoropropane Chemical group [CH2]CCF HNEGJTWNOOWEMH-UHFFFAOYSA-N 0.000 description 1
- XEZNGIUYQVAUSS-UHFFFAOYSA-N 18-crown-6 Chemical compound C1COCCOCCOCCOCCOCCO1 XEZNGIUYQVAUSS-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
- MFGOFGRYDNHJTA-UHFFFAOYSA-N 2-amino-1-(2-fluorophenyl)ethanol Chemical compound NCC(O)C1=CC=CC=C1F MFGOFGRYDNHJTA-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
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 244000089409 Erythrina poeppigiana Species 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 235000009776 Rathbunia alamosensis Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- HUCVOHYBFXVBRW-UHFFFAOYSA-M caesium hydroxide Inorganic materials [OH-].[Cs+] HUCVOHYBFXVBRW-UHFFFAOYSA-M 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- QABCGOSYZHCPGN-UHFFFAOYSA-N chloro(dimethyl)silicon Chemical compound C[Si](C)Cl QABCGOSYZHCPGN-UHFFFAOYSA-N 0.000 description 1
- 239000000084 colloidal system Substances 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
- DDJSWKLBKSLAAZ-UHFFFAOYSA-N cyclotetrasiloxane Chemical compound O1[SiH2]O[SiH2]O[SiH2]O[SiH2]1 DDJSWKLBKSLAAZ-UHFFFAOYSA-N 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 229920001198 elastomeric copolymer Polymers 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- HQRPHMAXFVUBJX-UHFFFAOYSA-M lithium;hydrogen carbonate Chemical compound [Li+].OC([O-])=O HQRPHMAXFVUBJX-UHFFFAOYSA-M 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000001282 organosilanes Chemical class 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 125000005004 perfluoroethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 description 1
- 125000005005 perfluorohexyl group Chemical group FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)* 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- RSNQKPMXXVDJFG-UHFFFAOYSA-N tetrasiloxane Chemical compound [SiH3]O[SiH2]O[SiH2]O[SiH3] RSNQKPMXXVDJFG-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 125000000725 trifluoropropyl group Chemical group [H]C([H])(*)C([H])([H])C(F)(F)F 0.000 description 1
- ZQTYRTSKQFQYPQ-UHFFFAOYSA-N trisiloxane Chemical compound [SiH3]O[SiH2]O[SiH3] ZQTYRTSKQFQYPQ-UHFFFAOYSA-N 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000011787 zinc oxide Substances 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
- 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
- C08G77/22—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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Silicon Polymers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US57433375A | 1975-05-05 | 1975-05-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2618815A1 true DE2618815A1 (de) | 1976-11-18 |
Family
ID=24295661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762618815 Withdrawn DE2618815A1 (de) | 1975-05-05 | 1976-04-29 | Verfahren zum polymerisieren cyclischer diorganopolysiloxane |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4157337A (enExample) |
| JP (1) | JPS6010045B2 (enExample) |
| DE (1) | DE2618815A1 (enExample) |
| FR (1) | FR2310372A1 (enExample) |
| GB (1) | GB1538920A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0255957A3 (en) * | 1986-08-08 | 1988-11-17 | Asahi Glass Company Ltd. | Fluorosilicone polymer, processes for the production thereof and composition containing it |
| DE4419354A1 (de) * | 1993-06-10 | 1994-12-15 | Gen Electric | Zusatz aus einer terpolymeren Flüssigkeit |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2353589A1 (fr) | 1976-05-31 | 1977-12-30 | Rhone Poulenc Ind | Procede de preparation d'organopolysiloxanes |
| JPS6038413B2 (ja) * | 1977-02-21 | 1985-08-31 | ダイセル化学工業株式会社 | 硬化用組成物 |
| US4177200A (en) * | 1977-11-25 | 1979-12-04 | General Electric Company | Silyl phosphates as neutralizing agents for alkali metal hydroxides |
| JPS5580434A (en) * | 1978-11-13 | 1980-06-17 | Gen Electric | Fluosilicone polymer*composition and manufacture |
| FR2461730A1 (fr) * | 1979-07-18 | 1981-02-06 | Rhone Poulenc Ind | Procede de polycondensation des polysiloxanes comportant des groupements hydroxysilyles par metal alcalin ou alcalino-terreux et compose polyheteromacropolycyclique |
| GB2057477B (en) * | 1979-08-30 | 1983-10-26 | Gen Electric | Dimethylsiloxane-methylfluoroalkylsiloxane copolymers |
| US4267298A (en) * | 1979-11-09 | 1981-05-12 | General Electric Company | Process for preparing M-stopped silicone fluids from silanol fluids |
| FR2481295A1 (fr) * | 1980-04-29 | 1981-10-30 | Rhone Poulenc Ind | Procede d'obtention de polysiloxanes de masses moleculaires elevees par polymerisation et rearrangement de polysiloxanes en presence de catalyseur alcalin et de tris(oxaalkyl)amine |
| US4355121A (en) * | 1981-04-09 | 1982-10-19 | General Electric Company | Heat strength curable silicone rubber compositions |
| US4585848A (en) * | 1981-04-09 | 1986-04-29 | Evans Edwin R | Fluorosilicone rubber composition, process and polymer |
| US4525528A (en) * | 1983-10-11 | 1985-06-25 | General Electric Company | Peroxide-curable fluorosilicone copolymer compositions |
| JPS60149703A (ja) * | 1984-01-12 | 1985-08-07 | Nippon Piston Ring Co Ltd | カムシヤフトの製造方法 |
| JPS60177992A (ja) * | 1984-02-24 | 1985-09-11 | Mazda Motor Corp | ポ−ラス部材の接合方法および製品 |
| US4704443A (en) * | 1986-10-27 | 1987-11-03 | Dow Corning Corporation | Method of reducing activity of silicone polymers |
| US4897459A (en) * | 1987-11-25 | 1990-01-30 | General Electric Company | Catalyst for producing fluorosilicone polymers |
| US4977289A (en) * | 1987-11-25 | 1990-12-11 | General Electric Company | Catalyst for producing fluorosilicone polymers |
| JPH0623255B2 (ja) * | 1988-10-05 | 1994-03-30 | 信越化学工業株式会社 | パーフルオロアルキル基含有オルガノポリシロキサンの製造方法 |
| US4960811A (en) * | 1989-06-16 | 1990-10-02 | General Electric Company | Fluorosilicone compositions with improved elastic response |
| JPH0395227A (ja) * | 1989-09-07 | 1991-04-19 | Shin Etsu Chem Co Ltd | アミノ基含有ポリシロキサンの製造方法 |
| US5079291A (en) * | 1989-11-20 | 1992-01-07 | General Electric Company | Polar aprotic catalysts for formation of fluorosilicone fluids |
| US5847180A (en) * | 1997-12-15 | 1998-12-08 | Dow Corning Corporation | Neutralization method for polyorganosiloxanes |
| US5998537A (en) * | 1998-09-21 | 1999-12-07 | Dow Corning Corporation | Emulsions containing ultrahigh viscosity silicone polymers |
| DE102004039409A1 (de) * | 2004-08-13 | 2006-02-23 | Holmenkol Sport-Technologies Gmbh & Co. Kg | Gleitmittel für Sportgeräte |
| JP6554796B2 (ja) * | 2015-01-08 | 2019-08-07 | 信越化学工業株式会社 | 消泡剤組成物 |
| CN119677798A (zh) * | 2022-03-22 | 2025-03-21 | 埃肯有机硅法国简易股份公司 | 有机聚硅氧烷的解聚 |
| FR3133854B1 (fr) * | 2022-03-22 | 2024-03-01 | Elkem Silicones France Sas | Dépolymérisation d’organopolysiloxane |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3050492A (en) * | 1962-08-21 | Degrees of twist at indicated centigrade temperature | ||
| US3002951A (en) * | 1959-04-27 | 1961-10-03 | Dow Corning | Method of polymerizing cyclic diorganosiloxanes |
| US3584027A (en) * | 1969-05-02 | 1971-06-08 | M & T Chemicals Inc | Process for producing organopolysiloxanes |
| US3661962A (en) * | 1969-05-09 | 1972-05-09 | Stauffer Wacker Silicone Corp | Molecular weight control and polysiloxanes |
| GB1426747A (en) * | 1972-10-03 | 1976-03-03 | Poudres & Explosifs Ste Nale | Anionic polymerization |
| US3779987A (en) * | 1972-10-12 | 1973-12-18 | Gen Electric | Process for producing diorganopolysiloxane polymers |
-
1976
- 1976-04-29 DE DE19762618815 patent/DE2618815A1/de not_active Withdrawn
- 1976-04-30 GB GB17645/76A patent/GB1538920A/en not_active Expired
- 1976-05-04 JP JP51050043A patent/JPS6010045B2/ja not_active Expired
- 1976-05-05 FR FR7613333A patent/FR2310372A1/fr active Granted
-
1977
- 1977-07-06 US US05/813,250 patent/US4157337A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0255957A3 (en) * | 1986-08-08 | 1988-11-17 | Asahi Glass Company Ltd. | Fluorosilicone polymer, processes for the production thereof and composition containing it |
| DE4419354A1 (de) * | 1993-06-10 | 1994-12-15 | Gen Electric | Zusatz aus einer terpolymeren Flüssigkeit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6010045B2 (ja) | 1985-03-14 |
| US4157337A (en) | 1979-06-05 |
| GB1538920A (en) | 1979-01-24 |
| JPS51134795A (en) | 1976-11-22 |
| FR2310372B1 (enExample) | 1981-07-31 |
| FR2310372A1 (fr) | 1976-12-03 |
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