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什么叫自由基？自由基有几种类型？写出氯乙烯自由基聚合时链终止反应方程式。
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什么叫自由基？自由基有几种类型？写出氯乙烯自由基聚合时链终止反应方程式。
时间：2022-04-27 15:41
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大学试题
理学
工学
建筑高分子材料
材料科学
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共价键均裂，使均裂的两部分各带一个未成对独电子（自由电子），这些带有未成对独电子的部分（原子、离子或基团）称为自由基。<br> 自由基有三种：原子自由基、基团自由基和离子自由基。
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