GB896301A - Synthetic organosilicon resins and manufacture thereof - Google Patents
Synthetic organosilicon resins and manufacture thereofInfo
- Publication number
- GB896301A GB896301A GB3186058A GB3186058A GB896301A GB 896301 A GB896301 A GB 896301A GB 3186058 A GB3186058 A GB 3186058A GB 3186058 A GB3186058 A GB 3186058A GB 896301 A GB896301 A GB 896301A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solvent
- resin
- suspension
- brown
- diphenyldichlorosilane
- 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
- C08G77/60—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 in which all the silicon atoms are connected by linkages other than oxygen atoms
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)
Abstract
A resinous polymer containing the recurring unit <FORM:0896301/IV (a)/1> and terminal groups <FORM:0896301/IV (a)/2> where R1 and R2 are aromatic radicals and T is phenyl, halophenyl or hydroxyl, may be made by reacting a dihalosilane with either (a) a difunctional phenylene Grignard reagent or (b) a dihalobenzene and a suspension of a finely divided alkali metal in an inert solvent. In Examples, (1) diphenyldichlorosilane was added with stirring to a cooled (-80 DEG C.) suspension of p-phenylenedimagnesium dibromide in tetrahydrofuran and benzene, and the reaction mixture was allowed to warm to room temperature overnight. The reaction mixture was cooled in ice, hydrolyzed with aqueous HCl and extracted with ether to yield, when dried and freed of solvent, a tacky brown resin which when heated at 300 DEG C. (at 5 mm.) yielded a brittle brown fluorescent resin; (2) a similar product was obtained from the same reactants but using diethyl ether as the solvent; (3) p-dibromobenzene and diphenyldichlorosilane in xylene were added with stirring to a suspension of sodium in xylene containing iodine and the mixture was refluxed in an atmosphere of argon to yield, after separation by centrifuge and freeing of solvent, a brown resin. The preferred product of the invention is a thermoplastic resin which can be cured with benzoyl peroxide to a thermosetting resin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3186058A GB896301A (en) | 1958-10-06 | 1958-10-06 | Synthetic organosilicon resins and manufacture thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3186058A GB896301A (en) | 1958-10-06 | 1958-10-06 | Synthetic organosilicon resins and manufacture thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
GB896301A true GB896301A (en) | 1962-05-16 |
Family
ID=10329482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3186058A Expired GB896301A (en) | 1958-10-06 | 1958-10-06 | Synthetic organosilicon resins and manufacture thereof |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB896301A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0375994A1 (en) * | 1988-12-08 | 1990-07-04 | Kali-Chemie Aktiengesellschaft | Process for preparing polycarbosilanes; polycarbosilanes obtained by this process |
US5204434A (en) * | 1990-06-08 | 1993-04-20 | Kali-Chemie Ag | Polycarbosilanes and process for preparing them |
WO2017076744A1 (en) * | 2015-11-03 | 2017-05-11 | Cht R. Beitlich Gmbh | Continuous method for reactions with fine-particulate alkali metal dispersions |
CN115491120A (en) * | 2021-06-18 | 2022-12-20 | 中国石油天然气集团有限公司 | High-temperature-resistant coating and preparation method thereof |
-
1958
- 1958-10-06 GB GB3186058A patent/GB896301A/en not_active Expired
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0375994A1 (en) * | 1988-12-08 | 1990-07-04 | Kali-Chemie Aktiengesellschaft | Process for preparing polycarbosilanes; polycarbosilanes obtained by this process |
US5087685A (en) * | 1988-12-08 | 1992-02-11 | Kali-Chemie Aktiengesellschaft | Process for preparing polycarbosilanes and new polycarbosilanes |
US5204434A (en) * | 1990-06-08 | 1993-04-20 | Kali-Chemie Ag | Polycarbosilanes and process for preparing them |
WO2017076744A1 (en) * | 2015-11-03 | 2017-05-11 | Cht R. Beitlich Gmbh | Continuous method for reactions with fine-particulate alkali metal dispersions |
CN108431092A (en) * | 2015-11-03 | 2018-08-21 | Cht R.拜特利希有限公司 | The continuation method reacted with particle alkali metal dispersion |
US10494486B2 (en) | 2015-11-03 | 2019-12-03 | CHT Germany GmbH | Continuous method for reactions with fine-particulate alkali metal dispersions |
RU2728775C2 (en) * | 2015-11-03 | 2020-07-31 | СиЭйчТи ДЖЕРМАНИ ГМБХ | Continuous method of carrying out reactions with fine dispersions of alkali metals |
CN108431092B (en) * | 2015-11-03 | 2021-03-02 | Cht R.拜特利希有限公司 | Continuous process for reacting with particulate alkali metal dispersions |
CN115491120A (en) * | 2021-06-18 | 2022-12-20 | 中国石油天然气集团有限公司 | High-temperature-resistant coating and preparation method thereof |
CN115491120B (en) * | 2021-06-18 | 2023-05-02 | 中国石油天然气集团有限公司 | High-temperature-resistant coating and preparation method thereof |
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