PREPARATION OF POLY(METHYL ACRYLATE-co-ITACONIC ANHYDRIDE)/SILICA HYBRID MATERIALS VIA SOL-GEL PROCESS

QIN Haihu; DONG Jianhua; QIU Kunyuan; WEI Yen

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PREPARATION OF POLY(METHYL ACRYLATE-co-ITACONIC ANHYDRIDE)/SILICA HYBRID MATERIALS VIA SOL-GEL PROCESS

Research Article | 更新时间：2021-03-19

- PREPARATION OF POLY(METHYL ACRYLATE-co-ITACONIC ANHYDRIDE)/SILICA HYBRID MATERIALS VIA SOL-GEL PROCESS
- Acta Polymerica Sinica Issue 6, Pages: 731-735(1999)
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- Published：20 December 1999，
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QIN Haihu, DONG Jianhua, QIU Kunyuan, WEI Yen. PREPARATION OF POLY(METHYL ACRYLATE-co-ITACONIC ANHYDRIDE)/SILICA HYBRID MATERIALS VIA SOL-GEL PROCESS. [J]. Acta Polymerica Sinica (6):731-735(1999)
DOI：

QIN Haihu, DONG Jianhua, QIU Kunyuan, WEI Yen. PREPARATION OF POLY(METHYL ACRYLATE-co-ITACONIC ANHYDRIDE)/SILICA HYBRID MATERIALS VIA SOL-GEL PROCESS. [J]. Acta Polymerica Sinica (6):731-735(1999) DOI：

摘要

以丙烯酸甲酯（ＭＡ）和衣康酸酐（Ｉｔｎ）的无规共聚物和原硅酸四乙酯（ＴＥＯＳ）作为有机相与无机相前驱体

以３-氨丙基三乙氧基硅烷（ＡＰＴＥＳ）为偶联剂

通过溶胶-凝胶过程制备出有机-无机杂化材料．并通过ＳＥＭ、ＤＳＣ等方法考查了偶联剂用量对所得材料结构及性能的影响．

Abstract

The poly(methyl acrylate-co-itaconic anhydride)/silica hybrid materials were prepared from methyl acrylate -itaconic anhydride copolymer and tetraethoxysilane (TEOS) with the coupling agent (3-aminopropyl)triethoxysilane (APTES) via sol-gel process.The triethoxysilane-bearing polymer was prepared by the in-situ aminolysis reaction of the amino group on APTES and the unit of itaconic anhydride.By the sol gel process of TEOS and the triethoxysilane

the covalent bonds between organic and inorganic phases were introduced.The proof of this process was provided by FTIR analysis. The gel-time and sol-fraction decreased as the amount of APTES increased.DSC showed that the glass transition of the hybrids was leveled by the use of APTES and at last disappeared.From the photographs of SEM we can see that when APTES was absent there was phase-separation.In contrast to this

inthe presence of APTES

no phase separtion was observed.

关键词

溶胶-凝胶过程有机-无机杂化材料3-氨丙基三乙氧基硅烷丙烯酸甲酯-衣康酸酐共聚物原硅酸四乙酯

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