自修复环氧树脂中间体-含有机硅氧烷双马来酰亚胺的合成与表征研究

Synthesis and characterization of bismaleimides containing silicone-the precursor of self-healing epoxy resin

含有机硅氧烷双马来酰亚胺是自修复环氧树脂的关键中间体材料。通过含活性端基的单马来酰亚胺与两端含活性基团的有机硅化合物反应生成有机硅氧烷双马来酰亚胺,克服了含硅二元胺合成需要贵金属催化剂且产率低的缺点,使有机硅氧烷双马来酰亚胺的产率达到90%以上,产率受合成溶剂、合成环境中水分、反应副产物HCl的去除程度影响。采用IR和NMR对有机硅氧烷双马来酰亚胺及其合成中各级产物的结构进行了分析与表征。

Bismaleimides containing silicone was the key precursor of self-healing epoxy resin. It was synthesized in high yield of over 90% by reacting activated terminated maleimide with two activated terminated groups of siloxane in ab- sence of noble metal catalysts which was in need of the synthesis of diamine containing silicone. The yield was affected by the solvent,water in reaction surrounding, the removal of HCl by-product. Various products from synthesizing bismaleim- ides containing silicone were charactarization by IR and NMR.