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Citation: SONG Jian-Hua, ZHANG Jian-Hua, XU Min, DONG Wen, GUO Shi-Heng. Preparation and Structural Analysis of co-Polymer from Styryl-tetra-coordinated Silicon Monomer and Methyl Acrylate[J]. Chinese Journal of Applied Chemistry, ;2007, 24(2): 173-177. shu

Preparation and Structural Analysis of co-Polymer from Styryl-tetra-coordinated Silicon Monomer and Methyl Acrylate

1.
Department of Chemistry, Chemical Engineering College, Guangzhou University, Guangzhou 510006

Corresponding author: SONG Jian-Hua,
Received Date: 19 March 2006
Available Online: 28 September 2006
Fund Project: 广州市教育局资助项目(2035) (2035)

High reactive penta-coordinated organic silicon was prepared by the reaction of silica with ethylene glycol and potassium hydroxide.Double bond tetra-coordinated silicon was produced by the reaction of this penta-coordinated silicon with 4-vinylbenzyl chloride;then branch-silicon-containing co-polymer was prepared by the reaction of this tetra-coordinated silicon monomer with methyl acrylate via free radical polymerization. The tetra-coordinated silicon monomer and co-polymer were characterized by FTIR,EA,EDS,TG,DSC, GPC etc.The absorption band for C=C at 1630 cm^-1 of the co-polymer disappeared,indicating that the co-polymerization was complete.The co-polymer began to decompose at 357℃;the glass transition temperature was 23.4℃between the PMA(T_g=8℃) and the homer-polymer of tetra-coordinated silicon(T_g=32.8℃);the molecular weight of the co-polymer was about 2.2×10⁴,the dispersion coefficient was 1.76. The IR spectrum and the molecular weight of co-polymer were characterized after one year under moisture (RH=90%),and the results indicated no change,suggesting that the copolymer was stable.
- tetra-coordinated silicon,
- free radical polymerization,
- methyl acrylate
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Preparation and Structural Analysis of co-Polymer from Styryl-tetra-coordinated Silicon Monomer and Methyl Acrylate

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com