EFFECT OF 3 AMINOPROPYLTRIETHOXYSILANE ON PROPERTIES OF POLY(STYRENE co MALEIC ANHYDRIDE)/SILICA HYBRID MATERIALS BY THE IN SITU SOL GEL PROCESS

ZHOU Wen; DONG Jianhua; QIU Kunyuan; WEI Yen

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EFFECT OF 3 AMINOPROPYLTRIETHOXYSILANE ON PROPERTIES OF POLY(STYRENE co MALEIC ANHYDRIDE)/SILICA HYBRID MATERIALS BY THE IN SITU SOL GEL PROCESS

Research Article | 更新时间：2021-03-19

- EFFECT OF 3 AMINOPROPYLTRIETHOXYSILANE ON PROPERTIES OF POLY(STYRENE co MALEIC ANHYDRIDE)/SILICA HYBRID MATERIALS BY THE IN SITU SOL GEL PROCESS
- Acta Polymerica Sinica Issue 6, Pages: 730-735(1998)
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- Published：20 December 1998，
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ZHOU Wen, DONG Jianhua, QIU Kunyuan, WEI Yen. EFFECT OF 3 AMINOPROPYLTRIETHOXYSILANE ON PROPERTIES OF POLY(STYRENE co MALEIC ANHYDRIDE)/SILICA HYBRID MATERIALS BY THE IN SITU SOL GEL PROCESS. [J]. Acta Polymerica Sinica (6):730-735(1998)
DOI：

ZHOU Wen, DONG Jianhua, QIU Kunyuan, WEI Yen. EFFECT OF 3 AMINOPROPYLTRIETHOXYSILANE ON PROPERTIES OF POLY(STYRENE co MALEIC ANHYDRIDE)/SILICA HYBRID MATERIALS BY THE IN SITU SOL GEL PROCESS. [J]. Acta Polymerica Sinica (6):730-735(1998) DOI：

摘要

用３-氨丙基三乙氧基硅烷（ＡＰＴＥＳ）作为偶联剂

通过溶胶凝胶（Ｓｏｌ-Ｇｅｌ）过程制得两相以共价键结合的透明苯乙烯顺丁烯二酸酐共聚物／ＳｉＯ２杂化材料．通过ＦＴＩＲ分析等证实了材料有机相与无机相间是以共价键结合的．分析了材料热处理温度和分别用盐酸或氨水作催化剂时对材料溶胶分数的影响、偶联剂及其用量对溶胶凝胶体系凝胶时间的影响、并研究了杂化材料中无机含量对材料折射率和Ｔｇ的影响.

Abstract

Poly(styrene co maleic anhydride)/silica hybrid material has been successfully prepared from styrene maleic anhydride copolymer and tetraethoxysilane(TEOS) in the presence of a coupling agent 3 aminopropyltriethoxysilane(APTES) by in situ sol gel process.It was observed that the gel time of sol gel solution was dramatically influenced by the amount of APTES.The sol gel time decrease with the increasing of APTES.The covalent bonds between organic and inorganic phases was introduced by the aminolysis reaction of amino group with maleic anhydride units of copolymer to form a copolymer bearing trimethoxysilyl groups

which undergo hydrolytic polycondensation with TEOS.The amount of catalysis

HCl or NH3

as well as the ageing temperature of samples

heavily affect the sol fraction of samples.The differential scanning calorimetry(DSC) showed that glass transition temperature of hybrid materials increases with increasing of SiO2 composition.

关键词

溶胶-凝胶杂化材料苯乙烯顺丁烯二酸酐共聚物四乙氧基硅３氨丙基三乙氧基硅烷

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