GB1258695A - - Google Patents
Info
- Publication number
- GB1258695A GB1258695A GB1258695DA GB1258695A GB 1258695 A GB1258695 A GB 1258695A GB 1258695D A GB1258695D A GB 1258695DA GB 1258695 A GB1258695 A GB 1258695A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polymerized
- cyclotetrasiloxane
- siloxanolate
- mixture
- hexamethyl
- 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.)
- Expired
Links
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 abstract 3
- -1 cyclic siloxanes Chemical class 0.000 abstract 2
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 abstract 2
- 229940073561 hexamethyldisiloxane Drugs 0.000 abstract 2
- 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 abstract 2
- IRVZFACCNZRHSJ-UHFFFAOYSA-N 2,4,6,8-tetramethyl-2,4,6,8-tetraphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane Chemical compound O1[Si](C)(C=2C=CC=CC=2)O[Si](C)(C=2C=CC=CC=2)O[Si](C)(C=2C=CC=CC=2)O[Si]1(C)C1=CC=CC=C1 IRVZFACCNZRHSJ-UHFFFAOYSA-N 0.000 abstract 1
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 abstract 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 abstract 1
- 229920004482 WACKER® Polymers 0.000 abstract 1
- 150000001450 anions Chemical class 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 150000001768 cations Chemical class 0.000 abstract 1
- 229960001760 dimethyl sulfoxide Drugs 0.000 abstract 1
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000000379 polymerizing effect Effects 0.000 abstract 1
- 229920001296 polysiloxane Polymers 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 238000007614 solvation Methods 0.000 abstract 1
- 125000005207 tetraalkylammonium group Chemical group 0.000 abstract 1
- QEMXHQIAXOOASZ-UHFFFAOYSA-N tetramethylammonium Chemical compound C[N+](C)(C)C QEMXHQIAXOOASZ-UHFFFAOYSA-N 0.000 abstract 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
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 |
|---|---|---|---|
| US82348669A | 1969-05-09 | 1969-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1258695A true GB1258695A (https=) | 1971-12-30 |
Family
ID=25238903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1258695D Expired GB1258695A (https=) | 1969-05-09 | 1970-05-08 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3661962A (https=) |
| AT (1) | AT300349B (https=) |
| BE (1) | BE750145A (https=) |
| DE (1) | DE2018327C3 (https=) |
| FR (1) | FR2047465A5 (https=) |
| GB (1) | GB1258695A (https=) |
| NL (1) | NL7006543A (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4044038A (en) * | 1973-10-24 | 1977-08-23 | Th. Goldschmidt Ag | Process for the manufacture of at least substantially balanced organopolysiloxane mixtures with silyl halide groupings |
| US4070386A (en) * | 1973-10-24 | 1978-01-24 | Th. Goldschmidt Ag | Process for the preparation of organopolysiloxane-polyether copolymers with SiOC bonds |
| US3853932A (en) * | 1973-12-28 | 1974-12-10 | Gen Electric | Process for producing silanol end-stopped polymers of low molecular weight |
| US4272624A (en) * | 1974-04-24 | 1981-06-09 | General Electric Company | Process for producing high molecular weight diorganopolysiloxanes for use in heat vulcanizable silicone rubber compositions |
| US3937684A (en) * | 1974-04-24 | 1976-02-10 | General Electric Company | Process for producing high molecular weight diorganopolysiloxanes for use in heat vulcanizable silicone rubber compositions |
| DE2618815A1 (de) * | 1975-05-05 | 1976-11-18 | Gen Electric | Verfahren zum polymerisieren cyclischer diorganopolysiloxane |
| DE3248546A1 (de) * | 1982-12-29 | 1984-07-05 | Wacker-Chemie GmbH, 8000 München | Verfahren zur herstellung von fluoralkylgruppen aufweisendem diorganopolysiloxan |
| CN117777453B (zh) * | 2023-12-29 | 2024-11-19 | 四川大学青岛研究院 | 改性环化乙烯基硅油及其制备方法 |
-
1969
- 1969-05-09 US US823486A patent/US3661962A/en not_active Expired - Lifetime
-
1970
- 1970-04-16 DE DE2018327A patent/DE2018327C3/de not_active Expired
- 1970-05-04 NL NL7006543A patent/NL7006543A/xx unknown
- 1970-05-08 GB GB1258695D patent/GB1258695A/en not_active Expired
- 1970-05-08 BE BE750145D patent/BE750145A/xx unknown
- 1970-05-08 AT AT416370A patent/AT300349B/de not_active IP Right Cessation
- 1970-05-08 FR FR7016743A patent/FR2047465A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE750145A (fr) | 1970-11-09 |
| FR2047465A5 (https=) | 1971-03-12 |
| AT300349B (de) | 1972-07-25 |
| DE2018327C3 (de) | 1974-05-16 |
| NL7006543A (https=) | 1970-11-11 |
| DE2018327B2 (de) | 1973-10-04 |
| US3661962A (en) | 1972-05-09 |
| DE2018327A1 (de) | 1970-11-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLE | Entries relating assignments, transmissions, licences in the register of patents | ||
| PLE | Entries relating assignments, transmissions, licences in the register of patents | ||
| PCNP | Patent ceased through non-payment of renewal fee |