Synthesis and characterization of hyperbranched polyacrylates in the presence of a tetrafunctional initiator with higher reactivity than monomer by self-condensing vinyl polymerization

被引:67
|
作者
Hong, CY [1 ]
Pan, CY [1 ]
机构
[1] Univ Sci & Technol China, Dept Polymer Sci & Engn, Hefei 230026, Anhui, Peoples R China
基金
中国国家自然科学基金;
关键词
hyperbranched polymers; tetrafunctional initiator; self-condensing vinyl polymerization;
D O I
10.1016/S0032-3861(01)00494-3
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A series of hyperbranched polyacrylates were synthesized by self-condensing vinyl polymerization (SCVP) of 2-[(2-bromobutyryl)oxy]ethyl acrylate (BBEA). A tetrafunctional atom transfer radical polymerization (ATRP) initiator (THABI) capped with bromoisobutyrate, which has higher reactivity than the initiating site of monomer, was used as core-forming molecules. The structure and properties of the obtained polymers were characterized by NMR and SEC/RALLS/DV/RI The effect of the tetrafunctional initiator on molecular weight and molecular weight distribution of polymers was studied. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
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页码:9385 / 9391
页数:7
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