SE8000050L - PROCEDURE FOR PREPARING A THERMOSTABLE ADDITIVE AND A THERMOSTABLE METHYL POLYSILOXAN AND COMPOSITIONS THEREOF - Google Patents
PROCEDURE FOR PREPARING A THERMOSTABLE ADDITIVE AND A THERMOSTABLE METHYL POLYSILOXAN AND COMPOSITIONS THEREOFInfo
- Publication number
- SE8000050L SE8000050L SE8000050A SE8000050A SE8000050L SE 8000050 L SE8000050 L SE 8000050L SE 8000050 A SE8000050 A SE 8000050A SE 8000050 A SE8000050 A SE 8000050A SE 8000050 L SE8000050 L SE 8000050L
- Authority
- SE
- Sweden
- Prior art keywords
- zirconium
- titanium
- hafnium
- thermostable
- liquid
- Prior art date
Links
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
- C08G77/38—Polysiloxanes modified by chemical after-treatment
- C08G77/382—Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon
- C08G77/398—Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon containing boron or metal atoms
-
- 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
- C08K5/05—Alcohols; Metal alcoholates
-
- 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
- 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
- C08L83/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Silicon Polymers (AREA)
Abstract
Terminally blocked methyl polysiloxane liquids such as trimethylsiloxane-end-blocked polydimethyl siloxanes can be made more resistant to the thermally induced siloxane rearrangement by incorporating in them titanium, zirconium or hafnium compounds. These compounds can be incorporated by admixing the organosiloxy derivative of titanium, zirconium or hafnium to the said liquid, or by admixing certain organic compounds of titanium, zirconium or hafnium to the liquid, and heating the mixture in order to decompose the organic compound introduced. The thermal stability of the liquid can be further improved by admixing a small amount of an organosilicon hydride to the titanium-, zirconium- or hafnium-containing liquid. Such thermally stabilized liquids are particularly suitable for use as heat transfer agents in a non- oxidative water-free environment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8000050A SE427670B (en) | 1980-01-03 | 1980-01-03 | Process for the preparation of a methyl polysiloxane liquid with an improved resistance to the thermal rearrangement of siloxane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8000050A SE427670B (en) | 1980-01-03 | 1980-01-03 | Process for the preparation of a methyl polysiloxane liquid with an improved resistance to the thermal rearrangement of siloxane |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8000050L true SE8000050L (en) | 1980-02-02 |
SE427670B SE427670B (en) | 1983-04-25 |
Family
ID=20339876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8000050A SE427670B (en) | 1980-01-03 | 1980-01-03 | Process for the preparation of a methyl polysiloxane liquid with an improved resistance to the thermal rearrangement of siloxane |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE427670B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113667129A (en) * | 2021-09-22 | 2021-11-19 | 湖南希里肯科技有限公司 | Spinning-grade polycarbosilane and preparation method thereof |
-
1980
- 1980-01-03 SE SE8000050A patent/SE427670B/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113667129A (en) * | 2021-09-22 | 2021-11-19 | 湖南希里肯科技有限公司 | Spinning-grade polycarbosilane and preparation method thereof |
CN113667129B (en) * | 2021-09-22 | 2022-09-02 | 湖南希里肯科技有限公司 | Spinning-grade polycarbosilane and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
SE427670B (en) | 1983-04-25 |
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Legal Events
Date | Code | Title | Description |
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NUG | Patent has lapsed |
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