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化工学报  2012 

高折射率脂环型环氧有机硅预聚体的合成

DOI: 10.3969/j.issn.0438-1157.2012.z2.014, PP. 76-79

Keywords: 脂环族环氧有机硅,硅氢加成,咔唑,合成,折射率

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Abstract:

以高含氢硅油(甲基氢硅油)为原料,在Lamoreaux催化剂作用下,先与N-烯丙基咔唑进行硅氢加成反应,再与4-乙烯基环氧环己烷反应,合成了折射率达1.577的脂环型环氧有机硅预聚体(Ep-Cz-SiO)。Ep-Cz-SiO的结构由1HNMR和IR表征,并确定了分子中咔唑基团的含量。咔唑基团的引入显著提高了环氧有机硅预聚体的折射率。热重分析表明,所制备的带有咔唑基团的脂环族环氧有机硅预聚体的热稳定性高于含氢硅油原料。

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