中国塑料 ›› 2008, Vol. 22 ›› Issue (04): 36-39 .DOI: 10.19491/j.issn.1001-9278.2008.04.008

• 材料与性能 • 上一篇    下一篇

硅氧烷封端星形有机低聚物/环氧树脂复合材料的性能研究

唐忠锋   

  1. 1广西工学院生物与化学工程系,广西柳州545006; 2中国科学院上海应用物理研究所,上海201800
  • 收稿日期:2007-10-19 修回日期:1900-01-01 出版日期:2008-04-26 发布日期:2008-04-26

Properties of Star Siloxane-terminated Organic Oligomers/Epoxy Resin Composites

TANG Zhong-feng   

  1. 1. Department of Biological and Chemical Engineering, Guangxi University of Technology, Liuzhou 545006,China; 2. Shanghai Institute of Aplied Physics, Chinese Academy of Sciences, Shanghai 201800,China
  • Received:2007-10-19 Revised:1900-01-01 Online:2008-04-26 Published:2008-04-26
  • Contact: TANG Zhong-feng

摘要: 通过溶胶-凝胶技术,利用合成的硅氧烷封端星形有机低聚物对环氧树脂进行改性,并固化试样。研究了硅氧烷封端星形有机低聚物/环氧树脂复合材料的拉伸强度和耐热性能,并利用SEM分析了拉伸样断面的微观结构。结果表明:硅氧烷封端星形有机低聚物改性环氧树脂固化后,复合材料的拉伸强度、断裂伸长率明显提高。随着偶联剂(KBE-9103 )的加人,试样的拉伸强度、断裂伸长率上升。复合材料中由于引人Si-O-Si网络结构,其热稳定性能也明显提高。

关键词: 环氧树脂, 硅氧烷封端星形有机低聚物, 溶胶-凝胶技术

Abstract: Epoxy resin was modified with star siloxane-terminated oligomers and cured via sol-gel technology. The thermal and mechanical properties of the modified resin were studied.The morphology on the fractured surface was viewed using SEM. It showed that the tensile strength and elongation at break were improved by the introduction of star siloxane-terminated oligomers and coupling agent(KBE-9103).Because of the presence of Si-O-Si in the network, the heat stability was also improved.

Key words: epoxy resin, star siloxane-terminated oligomer, sol-gel technology