Preparation of Polymer/Silica Nanoscale Hybrids Through Sol-Gel Method Involving Emulsion Polymers(PMMA/SiO2)

Chem. J. Chinese Universities ›› 2002, Vol. 23 ›› Issue (2): 306.

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Preparation of Polymer/Silica Nanoscale Hybrids Through Sol-Gel Method Involving Emulsion Polymers(PMMA/SiO₂)

TONG Xin^1,2, TANG Tao¹, ZHU Ning^1,2, FENG Zhi-Liu¹, HUANG Bao-Tong¹

1. State Key Laboratory of Polymer Physicsand Chemistry, Changchun Instituteof App lied Chemistry, Chinese Academy of Sciences, Polymer Chemistry Jointed Laboratory of Chinese Academy of Sciences and China Petro-Chemical Corporation, Changchun 130022, China;
2. Department of Chemistry, Northeastern University, Shenyang 110006, China

Received:2000-04-07 Online:2002-02-24 Published:2002-02-24

Abstract

Abstract: The different poly(methyl methacrylate)(PMMA)/SiO₂ hybrids were prepared through sol-gel method involving PMMA emulsion(emulsion method) and PMMA/THF solution(solution method). The samples were characterized by differential scanning calorimetry(DSC), thermogravimetry analysis(TGA), scanning electron microscopy(SEM) and transmission electron microscopy(TEM). The results showed that PMMA/SiO₂ composites in nanoscale were prepared by emulsion method, and its size of phase heterogeneity was less than that of solution method. Meanwhile, the polymer emulsion as the reactive medium was more suitable for the formation of SiO₂ network.

Key words: Poly(methyl methacrylate) emulsion, SiO₂, Sol-gel process, Nanocomposites

CLC Number:

O632.52

TrendMD:

TONG Xin, TANG Tao, ZHU Ning, FENG Zhi-Liu, HUANG Bao-Tong. Preparation of Polymer/Silica Nanoscale Hybrids Through Sol-Gel Method Involving Emulsion Polymers(PMMA/SiO₂)[J]. Chem. J. Chinese Universities, 2002, 23(2): 306.

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Preparation of Polymer/Silica Nanoscale Hybrids Through Sol-Gel Method Involving Emulsion Polymers(PMMA/SiO₂)

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