Statistical and Block Copolymers of Ethylene and Vinyl Acetate via Reversible Addition-Fragmentation Chain Transfer Polymerization,Macromolecular Rapid Communications

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Statistical and Block Copolymers of Ethylene and Vinyl Acetate via Reversible Addition-Fragmentation Chain Transfer Polymerization
Macromolecular Rapid Communications ( IF 4.2 ) Pub Date : 2021-06-18 , DOI: 10.1002/marc.202100270
Arne Wolpers ₁ , Florian Baffie ₁ , Vincent Monteil ₁ , Franck D'Agosto ₁

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A dithiocarbamate chain transfer agent (CTA) based on Z-group substituted with a diphenyl amine (–NPh₂) moiety is selected for the synthesis of statistical and diblock copolymers of ethylene and vinyl acetate via reversible addition–fragmentation chain transfer polymerization. Benefiting from the good chain growth control of polyethylene (PE), poly(vinyl acetate) (PVAc), and poly(ethylene-co-vinyl acetate) (EVA) achieved with this CTA, linear diblock copolymers of the type EVA-b-PE, EVA-b-EVA, and PVAc-b-EVA are successfully synthesized. A three-arm EVA star is additionally obtained starting from a trifunctional dithiocarbamate CTA.

中文翻译：

乙烯和醋酸乙烯酯通过可逆加成断裂链转移聚合的统计和嵌段共聚物

选择基于被二苯胺 (–NPh ₂ ) 部分取代的 Z 基团的二硫代氨基甲酸酯链转移剂 (CTA)用于通过可逆加成-断裂链转移聚合合成乙烯和醋酸乙烯酯的统计和二嵌段共聚物。受益于使用该 CTA 实现的聚乙烯 (PE)、聚(醋酸乙烯酯) (PVAc) 和聚(乙烯-共-醋酸乙烯酯) (EVA)的良好链增长控制，EVA- b型线性二嵌段共聚物- PE，EVA- b -EVA，和PVAc- b -EVA被成功地合成。从三官能二硫代氨基甲酸酯 CTA 开始额外获得三臂 EVA 星。

更新日期：2021-08-20

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