First Example of Free Radical Ring-Opening Polymerization with Some Characteristics of a Living Polymerization
First Example of Free Radical Ring-Opening Polymerization with Some Characteristics of a Living Polymerization
复制标题
具有活性聚合某些特征的自由基开环聚合的第一个实例
DOI：
--
复制
发表时间：
1996
期刊：
影响因子：
--
通讯作者：
Bin Wang
中科院分区：
文献类型：
--
作者：
Yen Wei;E. J. Connors;A. Jia;Bin Wang
以二叔丁基过氧化物为引发剂，在 2,2,6,6-四甲基-1-哌啶氧基 (TEMPO) 存在下，实现了 2-亚甲基-1,3-二氧杂环己烷的首次自由基开环聚合，得到链状聚酯。在高 TEMPO 浓度下观察到小于 1.5 的小多分散性以及分子量随转化率线性增加，这证明了“活性”聚合过程的一些特征。
The first radical ring-opening polymerization of 2-methylene-1,3-dioxepane in the presence of 2,2,6,6-tetramethyl-1-piperidinyloxy radical (TEMPO) has been achieved with di-tert-butyl peroxide as initiator to afford a chain polyester. The observations of small polydispersities of less than 1.5 at high TEMPO concentrations and linear increases in molecular weight with conversion demonstrate some characters of a “living” polymerization process.