结论：分析得知，2 ，3-环氧基团是最重要的负电中心；
Conclusions The 2,3-epoxy group is the most important negative charge center in the molecules.
合成了既有环氧基团又含不饱和双键的环氧丙烯酸单酯树脂。
A dual-curing epoxy monoacrylate resin was synthesized, which contain both epoxide groups and unsaturated double bonds.
通过红外光谱对SBS的环氧化产物中环氧基团的存在进行证实。
The epoxy group of epoxidation product of SBS has been proved by IR.
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