GB765551A - Manufacture of polysiloxane condensation products - Google Patents
Manufacture of polysiloxane condensation productsInfo
- Publication number
- GB765551A GB765551A GB14399/52A GB1439952A GB765551A GB 765551 A GB765551 A GB 765551A GB 14399/52 A GB14399/52 A GB 14399/52A GB 1439952 A GB1439952 A GB 1439952A GB 765551 A GB765551 A GB 765551A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- anhydride
- reacted
- oleic
- trimethyl
- 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
-
- 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
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)
- Silicon Polymers (AREA)
Abstract
A condensation product, suitable for lacquers, impregnating agents or mouldings, is made by reacting an organopolysiloxane containing -SiH groups with a polyhydric alcohol or a partially esterified or etherified polyhydric alcohol or a mixture thereof, preferably in the presence of a catalyst and at a raised temperature. There may be added and reacted at any desired stage an aliphatic or aromatic polycarboxylic acid, or anhydride thereof, e.g. phthalic acid or anhydride and maleic acid, a fatty oil, e.g. castor, wood or tall oil, a saturated or unsaturated fatty acid of at least 12 carbon atoms, e.g. oleic acid, a high molecular weight hydroxy carboxylic acid, e.g. ricinoleic acid, a resin acid, e.g. abietic and pimaric acids, a synthetic resin modified with any of the aforementioned compounds, a trialkylalkoxysilane or a trialkylsilanol, e.g. trimethyl-ethoxy silane or trimethyl-silanol. Additives such as driers, softening agents, stabilizers and synthetic resins modified in known manner by esterification or etherification may also be added at any desired stage. Catalysts specified are caustic soda and potash and alcoholates, acids and aluminium acetyl-acetonate. In examples the polysiloxane obtained by cohydrolysing dimethyldichloro-and methyldichloro-silanes is reacted with (1) oleic monoglyceride, (2) glycerine and oleic acid, and (3) pentaerythrite and oleic acid; (4) the product of Example (3) is further reacted with phthalic anhydride.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE765551X | 1951-06-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB765551A true GB765551A (en) | 1957-01-09 |
Family
ID=6673146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB14399/52A Expired GB765551A (en) | 1951-06-20 | 1952-06-06 | Manufacture of polysiloxane condensation products |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB765551A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2209482A (en) * | 1987-09-08 | 1989-05-17 | Kansai Paint Co Ltd | Method of preventing adhesion of organisms |
WO2016196557A1 (en) * | 2015-06-02 | 2016-12-08 | Momentive Performance Materials Inc. | Super acids and bases as dehydrocondensation catalysts |
-
1952
- 1952-06-06 GB GB14399/52A patent/GB765551A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2209482A (en) * | 1987-09-08 | 1989-05-17 | Kansai Paint Co Ltd | Method of preventing adhesion of organisms |
GB2209482B (en) * | 1987-09-08 | 1992-01-08 | Kansai Paint Co Ltd | Method of preventing adhesion of organisms |
WO2016196557A1 (en) * | 2015-06-02 | 2016-12-08 | Momentive Performance Materials Inc. | Super acids and bases as dehydrocondensation catalysts |
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