Chalcogenide hybrid inorganic/organic polymers (CHIPs) via inverse vulcanization and dynamic covalent polymerizations
Chalcogenide hybrid inorganic/organic polymers (CHIPs) via inverse vulcanization and dynamic covalent polymerizations
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DOI：
10.1039/c7py00587c
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发表时间：
2017-08
影响因子：
4.6
通讯作者：
Yueyan Zhang;Katrina M. Konopka;R. Glass;K. Char;J. Pyun
中科院分区：
文献类型：
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作者：
Yueyan Zhang;Katrina M. Konopka;R. Glass;K. Char;J. Pyun
我们报告的硫族化合物杂化无机/有机聚合物（CHIPs）的制备和改性通过反硫化元素硫与苯乙烯类化合物，以提供低玻璃化转变（Tg）的共聚物。此外，聚（硫-无规-苯乙烯）（聚（S-r-Sty））可以进一步用作与更广泛的苯乙烯、丙烯酸酯和烯丙基共聚单体混溶的反应性液体树脂。我们描述了一个新的过程，称为动态共价聚合（DCP），其中的动态S-S键在聚（S-r-Sty）液体聚硫化物热活化产生的硫自由基添加到乙烯基共聚单体，以制备新型的SCHOCHIP。使用这个顺序的过程中，我们证明了将功能性共聚单体，否则与液体硫不混溶的能力。
We report on the preparation and modification of chalcogenide hybrid inorganic/organic polymer (CHIPs) via the inverse vulcanization of elemental sulfur with styrenics to afford low glass transition (Tg) copolymers. Furthermore, poly(sulfur-random-styrene) (poly(S-r-Sty)) can be further utilized as reactive liquid resins that are miscible with a wider range of styrenic, acrylate and allylic comonomers. We describe a new process termed, dynamic covalent polymerization (DCP), where the dynamic S–S bonds in poly(S-r-Sty) liquid polysulfides were thermally activated to generate sulfur radicals that added to vinylic comonomers to prepare novel terpolymer CHIPs. Using this sequential process we demonstrate the ability to incorporate functional comonomers that were otherwise immiscible with liquid sulfur.