CROSSLINKED ORGANOSILOXANE HYBRID MATERIALS PREPARED BY CONDENSATION OF SILANOL AND MODIFIED SILICA: SYNTHESIS AND CHARACTERIZATION

Da-hai Gao; Meng-qiu Jia; Ying Luo

doi:10.1007/s10118-013-1289-5

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CROSSLINKED ORGANOSILOXANE HYBRID MATERIALS PREPARED BY CONDENSATION OF SILANOL AND MODIFIED SILICA: SYNTHESIS AND CHARACTERIZATION

PAPER | Updated：2023-01-03

- CROSSLINKED ORGANOSILOXANE HYBRID MATERIALS PREPARED BY CONDENSATION OF SILANOL AND MODIFIED SILICA: SYNTHESIS AND CHARACTERIZATION
- CROSSLINKED ORGANOSILOXANE HYBRID MATERIALS PREPARED BY CONDENSATION OF SILANOL AND MODIFIED SILICA: SYNTHESIS AND CHARACTERIZATION
- Chinese Journal of Polymer Science 2013年31卷第7期页码：974-983
- Affiliations：
  
  a.College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
  b.Nuclear Power Institute of China, Chengdu 610041, China
- Author bio：
  
  **Meng-qiu Jia (贾梦秋), E-mail: jiamq64@sina.com
- Funds：
  
  Open Fund from State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology
- DOI：10.1007/s10118-013-1289-5
  中图分类号：
- 收稿：2012-07-07，
  
  修回：2012-09-27，
  
  录用：2012-10-08，
  
  纸质出版：2013-07
- Accepted：
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Da-hai Gao, Meng-qiu Jia, Ying Luo. CROSSLINKED ORGANOSILOXANE HYBRID MATERIALS PREPARED BY CONDENSATION OF SILANOL AND MODIFIED SILICA: SYNTHESIS AND CHARACTERIZATION[J]. Chinese Journal of Polymer Science, 2013,31(7):974-983.

Da-hai Gao, Meng-qiu Jia, Ying Luo. CROSSLINKED ORGANOSILOXANE HYBRID MATERIALS PREPARED BY CONDENSATION OF SILANOL AND MODIFIED SILICA: SYNTHESIS AND CHARACTERIZATION[J]. Chinese Journal of Polymer Science, 2013, 31(7): 974-983.
Da-hai Gao, Meng-qiu Jia, Ying Luo. CROSSLINKED ORGANOSILOXANE HYBRID MATERIALS PREPARED BY CONDENSATION OF SILANOL AND MODIFIED SILICA: SYNTHESIS AND CHARACTERIZATION[J]. Chinese Journal of Polymer Science, 2013,31(7):974-983. DOI： 10.1007/s10118-013-1289-5.

Da-hai Gao, Meng-qiu Jia, Ying Luo. CROSSLINKED ORGANOSILOXANE HYBRID MATERIALS PREPARED BY CONDENSATION OF SILANOL AND MODIFIED SILICA: SYNTHESIS AND CHARACTERIZATION[J]. Chinese Journal of Polymer Science, 2013, 31(7): 974-983. DOI： 10.1007/s10118-013-1289-5.

摘要

Abstract

Hybrid materials based on polymethylphenylsiloxane (PMPS) and organic functionalized silica were synthesized via condensation reaction between silanol and alkoxysilyl groups in the presence of quaternary ammonium hydroxide. The structure of prepared materials was investigated by FTIR and NMR

which indicate that the products have incorporated modified silica into the polymer matrix. The prepared hybrid materials show a satisfactory thermal resistance because the initial decomposition of typical product occurred at nearly 100 K higher than that of the pure polymer according to the thermogravimetric analysis (TGA) results. Differential thermogravimetric analysis (DTGA) data confirm that the thermal degradation of prepared hybrid materials comprises of two steps

of which the first one could be controlled by adjusting the content of silica particles and the ratio of surface groups on the particles. The coating films obtained from hybrid products exhibit good thermal mechanical properties. Therefore

the materials are hoped to be used for the application in thermal resistant coating.

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