RU2009113772A - METHOD FOR PRODUCING POLYCARBOSILANE - Google Patents
METHOD FOR PRODUCING POLYCARBOSILANE Download PDFInfo
- Publication number
- RU2009113772A RU2009113772A RU2009113772/04A RU2009113772A RU2009113772A RU 2009113772 A RU2009113772 A RU 2009113772A RU 2009113772/04 A RU2009113772/04 A RU 2009113772/04A RU 2009113772 A RU2009113772 A RU 2009113772A RU 2009113772 A RU2009113772 A RU 2009113772A
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- RU
- Russia
- Prior art keywords
- polydimethylsilane
- hours
- thermal decomposition
- exposure
- producing polycarbosilane
- Prior art date
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Abstract
Способ получения поликарбосилана термическим разложением полидиметилсилана в инертной атмосфере при избыточном давлении 0,4-0,5 МПа в три стадии: с выдержкой при 350-380°C в течение 2-10 ч, сбросом легкокипящих компонентов и последующей выдержкой при температуре 350-420°C в течение 20-30 ч, отличающийся тем, что термическое разложение предварительно осушенного полидиметилсилана проводят в присутствии тетрахлорида циркония. The method of producing polycarbosilane by thermal decomposition of polydimethylsilane in an inert atmosphere at an excess pressure of 0.4-0.5 MPa in three stages: with exposure at 350-380 ° C for 2-10 hours, discharge of low-boiling components and subsequent exposure at a temperature of 350-420 ° C for 20-30 hours, characterized in that the thermal decomposition of pre-dried polydimethylsilane is carried out in the presence of zirconium tetrachloride.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2009113772/04A RU2410401C2 (en) | 2009-04-14 | 2009-04-14 | Method of producing polycarbosilane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2009113772/04A RU2410401C2 (en) | 2009-04-14 | 2009-04-14 | Method of producing polycarbosilane |
Publications (2)
Publication Number | Publication Date |
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RU2009113772A true RU2009113772A (en) | 2010-10-20 |
RU2410401C2 RU2410401C2 (en) | 2011-01-27 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2009113772/04A RU2410401C2 (en) | 2009-04-14 | 2009-04-14 | Method of producing polycarbosilane |
Country Status (1)
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RU (1) | RU2410401C2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109265687A (en) * | 2018-08-17 | 2019-01-25 | 中国科学院宁波材料技术与工程研究所 | A kind of preparation method of the Polycarbosilane containing heterogeneous element |
CN117534498A (en) * | 2023-12-06 | 2024-02-09 | 浙江星辉新材料科技有限公司 | Carbon fiber ceramic brake pad and preparation method thereof |
-
2009
- 2009-04-14 RU RU2009113772/04A patent/RU2410401C2/en not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109265687A (en) * | 2018-08-17 | 2019-01-25 | 中国科学院宁波材料技术与工程研究所 | A kind of preparation method of the Polycarbosilane containing heterogeneous element |
CN109265687B (en) * | 2018-08-17 | 2021-04-20 | 中国科学院宁波材料技术与工程研究所 | Preparation method of polycarbosilane containing heterogeneous elements |
CN117534498A (en) * | 2023-12-06 | 2024-02-09 | 浙江星辉新材料科技有限公司 | Carbon fiber ceramic brake pad and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
RU2410401C2 (en) | 2011-01-27 |
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Date | Code | Title | Description |
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PC43 | Official registration of the transfer of the exclusive right without contract for inventions |
Effective date: 20160401 |
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MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20200415 |