N-（丙二酰氧基）邻苯二胺功能化乙烯基环丙烷的自由基开环聚合：通过选择性脱羧调节材料性能

IF 5.5 1区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chinese Journal of Chemistry Pub Date : 2024-09-24 DOI:10.1002/cjoc.202400635

Si-Qi Li, Ke Li, Dian-Feng Chen

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引用次数: 0

摘要

聚合后改性是调整所得聚合物材料性能的重要途径。在这项工作中，我们展示了一种新的乙烯基环丙烷单体的合理设计，该单体含有悬垂的n -羟基酞酰亚胺氧化还原酯，并探索了其在可见光条件下的自由基开环聚合行为。光化学脱羧所得到的聚合物提供了独特的途径，聚（乙烯基环丙烷）在每个重复单元具有单一酯基。这种脱羧改性极大地改变了热性能和机械性能，将玻璃状聚合物转变为柔软、延展性和橡胶状材料。

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Radical Ring-Opening Polymerization of N-(Malonyloxy)phthalimide-Functionalized Vinylcyclopropane: Tuning Material Property via Selective Decarboxylation†

Post-polymerization modification provides an important approach to tuning the material properties of obtained polymers. In this work, we demonstrated a rational design of novel vinylcyclopropane monomer bearing a pendant N-hydroxylphthalimide redox ester, and explored its radical ring-opening polymerization behavior under visible-light conditions. Photochemical decarboxylation of resulted polymer provided unique access to poly(vinylcyclopropane) bearing single ester group in each repeating unit. This decarboxylative modification has greatly reshaped the thermal and mechanical properties, converting a glassy polymer into a soft, ductile, and rubber-like material.

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来源期刊

Chinese Journal of Chemistry 化学-化学综合

CiteScore

8.80

自引率

14.80%

发文量

422

审稿时长

1.7 months

期刊介绍： The Chinese Journal of Chemistry is an international forum for peer-reviewed original research results in all fields of chemistry. Founded in 1983 under the name Acta Chimica Sinica English Edition and renamed in 1990 as Chinese Journal of Chemistry, the journal publishes a stimulating mixture of Accounts, Full Papers, Notes and Communications in English.