引用本文:
张保龙, 石可瑜, 由英才, 周德亮, 杜宗杰, 黄吉甫. 取代脲促进环氧树脂/双氰胺固化体系反应机理[J]. 应用化学,
1998, 15(4): 95-97.
Citation: Zhang Baolong, Shi Keyu, You Yingcai, Zhou Deliang, Du Zongjie, Huang Jifu. Study on the Reaction Mechanism of Epoxy Resin/Dicyanamide System[J]. Chinese Journal of Applied Chemistry, 1998, 15(4): 95-97.
Citation: Zhang Baolong, Shi Keyu, You Yingcai, Zhou Deliang, Du Zongjie, Huang Jifu. Study on the Reaction Mechanism of Epoxy Resin/Dicyanamide System[J]. Chinese Journal of Applied Chemistry, 1998, 15(4): 95-97.
取代脲促进环氧树脂/双氰胺固化体系反应机理
English
Study on the Reaction Mechanism of Epoxy Resin/Dicyanamide System
Abstract:
The reaction mechanism, reactivities, and apparent activation energies of epoxy/dicyanamide curing system accelerated by C6H5NHCONR2 (R=CH3, n-C4H9, i-C3H7) were studied by DSC and GC techniques. The results showed that in reaction of C6H5,NHCONR2 with either dicyanamide or epoxy resin there was a dimethylamine released reacting with epoxy resin, giving a tertiary amine, which accelerated the anionic homopolymerization of epoxy resin.
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Key words:
- substituted urea
- / epoxy resin
- / dicyandiamide
- / curing reaction
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