Controlled Synthesis of Hyperbranched Polymers by TEMPO-Mediated Radical Polymerization

被引：0
作者：
Ciftci, Mustafa [1 ,2 ]
机构：
[1] Bursa Tech Univ, Fac Engn & Nat Sci, Dept Chem, TR-16310 Bursa, Turkey
[2] Istanbul Tech Univ, Fac Sci & Letters, Dept Chem, TR-34469 Istanbul, Turkey
来源：
JOURNAL OF PHOTOPOLYMER SCIENCE AND TECHNOLOGY | 2019年 / 32卷 / 06期
关键词：
Hyperbranched polymers; NMRP; Controlled/living polymerization; POLYSTYRENE;
D O I：
暂无
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Branched polymers with tunable branching densities are prepared by TEMPO-mediated radical polymerization. Thus, styrene is copolymerized with 4-methacryloyloxy-2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO methacrylate) by using 2,2'-azobis(2-methylpropionitrile) (AIBN) as initiator at 125 degrees C. The method is based on the use of TEMPO methacrylate as branching unit that possessing a nitroxyl stable radical moiety as propagation radical trap and a polymerizable methacrylate group. Depending on the concentration of TEMPO methacrylate and polymerization time, hyperbranched polymers with different branching densities are obtained.
引用
收藏
页码：759 / 762
页数：4
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