Synthesis and self-assembly in aqueous solution of amphiphilic diblock copolymers containing hyperbranched polyethylene

被引：10

作者：

Mai, BiYun ^{[1
]}

Liu, Ran ^{[1
]}

Li, ZhiYun ^{[1
]}

Feng, Shuo ^{[1
]}

Wu, Qing ^{[1
,2
]}

Gao, HaiYang ^{[1
,2
]}

Liang, GuoDong ^{[1
,2
]}

Zhu, FangMing ^{[1
,2
]}

机构：

[1] Sun Yat Sen Univ, Sch Chem & Chem Engn, Inst Polymer Sci, DSAPM Lab, Guangzhou 510275, Guangdong, Peoples R China

[2] Sun Yat Sen Univ, Sch Chem & Chem Engn, Key Lab Polymer Composite & Funct Mat, Minist Educ, Guangzhou 510275, Guangdong, Peoples R China

来源：

POLYMER | 2015年 / 57卷

基金：

中国国家自然科学基金;

关键词：

Hyperbranched polyethylene; Amphiphilic diblock copolymers; Laser light scattering; CHAIN WALKING POLYMERIZATION; MOLECULAR-WEIGHT; BLOCK-COPOLYMERS; PROCESSING AID; ETHYLENE; POLYMERS; TOPOLOGY; POLYSTYRENE; NONCOVALENT; EXTRUSION;

D O I：

10.1016/j.polymer.2014.12.017

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In this paper, the well-defined amphiphilic diblock copolymers, hyperbranched polyethylene-b-poly(ethylene oxide) (HBPE-b-PEO) and hyperbranched polyethylene-b-poly(acrylic acid) (HBPE-b-PAA), were synthesized by combing chain walking ethylene polymerization in the presence of 4-vinylbenzyl chloride catalyzed with Pd-alpha-diimine and click chemistry or atom transfer radical polymerization (ATRP). The self-assembly behavior in water, a selective solvent for PEO and FAA, and the micelle morphology of HBPE-b-PEO and HBPE-b-PAA were investigated by laser light scattering (LLS), transmission electron microscopy (TEM) and atomic force microscopy (AFM). The resultant diblock copolymers can self-assemble into spherical vesicles as demonstrated by LLS and TEM, which become collapsed on mica surface during drying as showed by AFM. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：125 / 131

页数：7

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