GB1002118A - Improvements in or relating to high temperature silicone coating compositions - Google Patents
Improvements in or relating to high temperature silicone coating compositionsInfo
- Publication number
- GB1002118A GB1002118A GB1844964A GB1844964A GB1002118A GB 1002118 A GB1002118 A GB 1002118A GB 1844964 A GB1844964 A GB 1844964A GB 1844964 A GB1844964 A GB 1844964A GB 1002118 A GB1002118 A GB 1002118A
- Authority
- GB
- United Kingdom
- Prior art keywords
- resin
- high temperature
- silazane
- mol
- per cent
- 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
- C08G77/62—Nitrogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
A coating composition for high temperature uses comprises a silicone resin and, per stoichiometric equivalent of the resin, from 0.4 to 4 equivalents of the reaction product of ammonia and a mixture of 20 to 80 mol. per cent of MeSiCl3 and 80 to 20 mol. per cent of Me2SiCl2 (Me = methyl). The siloxane resin may contain alkyl, alkenyl, aryl or haloaryl radicals. The ammonolysis of the silane mixture using liquid or gaseous ammonia is conducted at temperatures below 0 DEG C. in the absence of water and in the presence of an inert solvent, e.g. methylene chloride. Three preparations are given. In the coating application the silocane containing SiOH apparently combines chemically with the silazane to form further siloxane linkages. In a typical Example (1) a toluene solution of a silicone resin and a silazane was used to coat steel panels. Aluminium powder may be added as a pigment.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28437763A | 1963-05-31 | 1963-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1002118A true GB1002118A (en) | 1965-08-25 |
Family
ID=23089983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1844964A Expired GB1002118A (en) | 1963-05-31 | 1964-05-04 | Improvements in or relating to high temperature silicone coating compositions |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1002118A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216016A (en) * | 2021-04-21 | 2022-10-21 | 中国科学院化学研究所 | Solid polysilazane and preparation method and application thereof |
-
1964
- 1964-05-04 GB GB1844964A patent/GB1002118A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216016A (en) * | 2021-04-21 | 2022-10-21 | 中国科学院化学研究所 | Solid polysilazane and preparation method and application thereof |
| CN115216016B (en) * | 2021-04-21 | 2024-03-22 | 中国科学院化学研究所 | Solid polysilazane and preparation method and application thereof |
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