JPS5483957A - Silicone resin composition - Google Patents
Silicone resin compositionInfo
- Publication number
- JPS5483957A JPS5483957A JP15060477A JP15060477A JPS5483957A JP S5483957 A JPS5483957 A JP S5483957A JP 15060477 A JP15060477 A JP 15060477A JP 15060477 A JP15060477 A JP 15060477A JP S5483957 A JPS5483957 A JP S5483957A
- Authority
- JP
- Japan
- Prior art keywords
- molecular weight
- parts
- resin composition
- diorganodichlorosilane
- incorporating
- 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.)
- Granted
Links
Landscapes
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
- Silicon Polymers (AREA)
Abstract
PURPOSE: To prepare a silicone resin composition of high heat resistance and flexibility, by incorporating a curing catalyst (and an inorganic filler) in a specific silicone block polymer composed mainly of a relatively high molecular weight methyl polysiloxane.
CONSTITUTION: The objective composition can be prepared by incorporating (1) 0.3-2 parts by wt. of a curing catalyst, and (2) 60 parts by wt. of an inorganic filler and/or a heat-resistant pigment, if necessary, in (3) 100 parts by wt. of a silicone block polymer with a molar ratio: organic group/Si of 1.2-1.5, syvthesized from a methyl polysiloxane of formula I with a number average molecular weight of 9,000-10,000 and a diorganodichlorosilane of formula II (m is 0-100). The above block copolymer can be formed in the following process: Methyltrichiorosilane is hydrolyzed by dropping water corcurrent with polymerization in the presence of an amine in a mixed solvent of a ketone and an ether, obtaining a methylpolysiloxane with an average molecular weight of 9,000-10,000, then dropping a diorganodichlorosilane.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP52150604A JPS5950182B2 (en) | 1977-12-16 | 1977-12-16 | silicone resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP52150604A JPS5950182B2 (en) | 1977-12-16 | 1977-12-16 | silicone resin composition |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2822279A Division JPS6017335B2 (en) | 1979-03-13 | 1979-03-13 | Manufacturing method of silicone block polymer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5483957A true JPS5483957A (en) | 1979-07-04 |
| JPS5950182B2 JPS5950182B2 (en) | 1984-12-06 |
Family
ID=15500507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52150604A Expired JPS5950182B2 (en) | 1977-12-16 | 1977-12-16 | silicone resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5950182B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5813632A (en) * | 1981-07-17 | 1983-01-26 | Japan Synthetic Rubber Co Ltd | Ladder-like lower alkylpolysilsesquioxane capable of forming heat-resistant thin film |
| JP2013540169A (en) * | 2010-09-22 | 2013-10-31 | ダウ コーニング コーポレーション | Process for preparing resin-linear organosiloxane block copolymer |
| US8921494B2 (en) | 2010-09-22 | 2014-12-30 | Dow Corning Corporation | Thermally stable compositions containing resin-linear organosiloxane block copolymers |
| US8921495B2 (en) | 2010-09-22 | 2014-12-30 | Dow Corning Corporation | High refractive index compositions containing resin-linear organosiloxane block copolymers |
| US8992806B2 (en) | 2003-11-18 | 2015-03-31 | Honeywell International Inc. | Antireflective coatings for via fill and photolithography applications and methods of preparation thereof |
| US9045668B2 (en) | 2010-09-22 | 2015-06-02 | Dow Corning Corporation | Organosiloxane block copolymer |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61230495A (en) * | 1985-04-03 | 1986-10-14 | Matsushita Electric Ind Co Ltd | Microphone mounting device |
| JPH0434610Y2 (en) * | 1986-06-18 | 1992-08-18 |
-
1977
- 1977-12-16 JP JP52150604A patent/JPS5950182B2/en not_active Expired
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5813632A (en) * | 1981-07-17 | 1983-01-26 | Japan Synthetic Rubber Co Ltd | Ladder-like lower alkylpolysilsesquioxane capable of forming heat-resistant thin film |
| JPH0143773B2 (en) * | 1981-07-17 | 1989-09-22 | Japan Synthetic Rubber Co Ltd | |
| US8992806B2 (en) | 2003-11-18 | 2015-03-31 | Honeywell International Inc. | Antireflective coatings for via fill and photolithography applications and methods of preparation thereof |
| JP2013540169A (en) * | 2010-09-22 | 2013-10-31 | ダウ コーニング コーポレーション | Process for preparing resin-linear organosiloxane block copolymer |
| US8921494B2 (en) | 2010-09-22 | 2014-12-30 | Dow Corning Corporation | Thermally stable compositions containing resin-linear organosiloxane block copolymers |
| US8921495B2 (en) | 2010-09-22 | 2014-12-30 | Dow Corning Corporation | High refractive index compositions containing resin-linear organosiloxane block copolymers |
| US8921493B2 (en) | 2010-09-22 | 2014-12-30 | Dow Corning Corporation | Process for preparing resin-linear organosiloxane block copolymers |
| US8957147B2 (en) | 2010-09-22 | 2015-02-17 | Dow Corning Corporation | Resin-linear organosiloxane block copolymers |
| US9045668B2 (en) | 2010-09-22 | 2015-06-02 | Dow Corning Corporation | Organosiloxane block copolymer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5950182B2 (en) | 1984-12-06 |
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