GB671774A - Improvements in or relating to organopolysilanes - Google Patents
Improvements in or relating to organopolysilanesInfo
- Publication number
- GB671774A GB671774A GB10326/50A GB1032650A GB671774A GB 671774 A GB671774 A GB 671774A GB 10326/50 A GB10326/50 A GB 10326/50A GB 1032650 A GB1032650 A GB 1032650A GB 671774 A GB671774 A GB 671774A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkali metal
- 2sicl2
- sicl2
- chlorosilane
- xylene
- 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
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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Organopolysilanes, the polymer units of which have the structure R2Si= and in which the units are linked by silicon to silicon bonding, are made by reacting in the liquid phase an alkali metal with a chlorosilane of the formula R2SiCl2, wherein each R is an alkyl radical and at least one R is an alkyl radical containing at least two carbon atoms. Sodium and potassium are the preferred alkali metals. The reaction may be effected either by adding the chlorosilane in a solvent, e.g. toluene or xylene, to the finely divided alkali metal or vice versa. Salt and alkali metal may be separated from the reaction product as by filtering and washing. The products vary from a grease-like material (diethylpolysilane) to a wax-like material (methyl stearyl-polysilane), and are soluble in warm toluene or xylene but only slightly soluble in the lower alcohols and ketones. The products may be used for stopcock greases, lubricants, car polishes and shoe polishes. In examples polymers are made from (1) (C2H5)2SiCl2; (2) (CH3)(C3H7)SiCl2; (3) (n-C4H9)2SiCl2, and (4) (CH3)(C18H37)SiCl2.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US671774XA | 1949-06-15 | 1949-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB671774A true GB671774A (en) | 1952-05-07 |
Family
ID=22074212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB10326/50A Expired GB671774A (en) | 1949-06-15 | 1950-04-26 | Improvements in or relating to organopolysilanes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB671774A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2156834A (en) * | 1984-04-05 | 1985-10-16 | Us Energy | Polysilane positive photoresist materials and methods for their use |
| GB2198444A (en) * | 1986-12-11 | 1988-06-15 | Dow Corning | Process for the preparation of polysilanes |
| GB2198445A (en) * | 1986-12-11 | 1988-06-15 | Dow Corning | Polysilanes |
| GB2208167A (en) * | 1987-05-02 | 1989-03-08 | Dow Corning | A method for making polysilanes |
| US4839451A (en) * | 1988-04-04 | 1989-06-13 | Xerox Corporation | Processes for the preparation of polysilylenes |
-
1950
- 1950-04-26 GB GB10326/50A patent/GB671774A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2156834A (en) * | 1984-04-05 | 1985-10-16 | Us Energy | Polysilane positive photoresist materials and methods for their use |
| GB2198444A (en) * | 1986-12-11 | 1988-06-15 | Dow Corning | Process for the preparation of polysilanes |
| GB2198445A (en) * | 1986-12-11 | 1988-06-15 | Dow Corning | Polysilanes |
| GB2208167A (en) * | 1987-05-02 | 1989-03-08 | Dow Corning | A method for making polysilanes |
| GB2208167B (en) * | 1987-05-02 | 1991-04-24 | Dow Corning | Method for making polysilanes |
| US4839451A (en) * | 1988-04-04 | 1989-06-13 | Xerox Corporation | Processes for the preparation of polysilylenes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB923710A (en) | Production of organosilicon compounds | |
| GB671774A (en) | Improvements in or relating to organopolysilanes | |
| GB1023797A (en) | New and improved process of preparing organosilicon polymers | |
| GB767400A (en) | Process for the manufacture of trialkylaluminium compounds | |
| US2938046A (en) | Dithiocarbamyl-containing silicon compounds | |
| GB1130683A (en) | Improvements in silicone greases | |
| US3445495A (en) | Polymers and telomers of silacyclobutanes | |
| Sommer et al. | Preparation of Organopolysiloxanes from Sodium Trimethylsilanolate | |
| US2606879A (en) | Organopolysilanes | |
| US2974157A (en) | Cyclopentadienyl vinyl silanes and process for making same | |
| GB825987A (en) | Method of alkylating silicon tetrachloride or alkyl-or aryl-chlorosilanes | |
| US2838515A (en) | Organosilicon substituted pyridines | |
| US2554193A (en) | Organopolysilanes | |
| US2957781A (en) | Organosilicon compounds and processes for producing the same | |
| GB706719A (en) | Improvements in or relating to co-polymeric siloxanes and the application thereof | |
| GB1131434A (en) | Process for the preparation of polysilarylene siloxanes | |
| US2453092A (en) | Method of polymerizing organosiloxanes | |
| US3555069A (en) | Spiroheterocyclic pentacoordinate silicon compounds | |
| GB1244591A (en) | Pentacoordinate silicon endblocked siloxanes | |
| US2563004A (en) | Organosilicon materials containing the repeating structure-sisic- | |
| GB657443A (en) | Process for the manufacture of organo-silanes | |
| US3308147A (en) | Hydroxylated trimethylsiloxysiloxanes | |
| GB1025376A (en) | Siloxanes | |
| US3122580A (en) | Alkaline reduction of hydrocarbonoxy silanes | |
| US3350434A (en) | Triorganotin and lead derivatives of ferrocene |