This article reports the synthesis of a bio-inspired curing agent, the tetraallyl cystamine (TAC) and the evaluation of its performance to photocure two epoxy resins derived from the terpenoid nopol, by using the epoxy/thiol-ene photopolymerization technique. The curing agent was prepared in two stages: a) reaction of the diallylamine with ethylene disulfide, through a mercaptoethylation reaction and b) oxidation of the obtained thiol to disulfide, using dimethylsulfoxide as an oxidizing agent. To the epoxy resins was added the curing agent TAC, pentaerythritol tetrakis (3-mercaptopropionate) and dimethoxyphenylacetophenone, to obtain cross-linked co-networks of the polyether-polythioether type. A trifunctional nopol epoxycycloaliphatic epoxy resin and an epoxycycloaliphatic-glycidyl nopol epoxy resin were evaluated, with the former displaying higher reactivity, higher modulus and higher thermal stability.

本文报道了一种仿生固化剂四烯丙基胱胺 (TAC) 的合成及其使用环氧/硫醇-烯光聚合技术对源自萜类 nopol 的两种环氧树脂进行光固化的性能评估。固化剂分两个阶段制备：a) 二烯丙胺与二硫化乙烯的反应，通过巯基乙基化反应；b) 使用二甲亚砜作为氧化剂将得到的硫醇氧化成二硫化物。向环氧树脂中加入固化剂 TAC、季戊四醇四（3-巯基丙酸酯）和二甲氧基苯基苯乙酮，以获得聚醚-聚硫醚类型的交联共网络。评价了三官能团的 nopol 环氧环脂族环氧树脂和环氧环脂族缩水甘油基 nopol 环氧树脂，