Supramolecular ABC Miktoarm Star Terpolymer Based on Host-Guest Inclusion Complexation

被引：100
作者：
Huan, Xiuying [2 ]
Wang, Dali [2 ]
Dong, Ruijiao [2 ]
Tu, Chunlai [2 ]
Zhu, Bangshang [1 ]
Yan, Deyue [2 ]
Zhu, Xinyuan [1 ,2 ]
机构：
[1] Shanghai Jiao Tong Univ, Instrumental Anal Ctr, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, State Key Lab Met Matrix Composites, Sch Chem & Chem Engn, Shanghai 200240, Peoples R China
来源：
MACROMOLECULES | 2012年 / 45卷 / 15期
基金：
中国国家自然科学基金;
关键词：
CYCLODEXTRIN; COMBINATION; POLYMERS; POLYMERIZATION; COPOLYMERS; VESICLES; THERMO;
D O I：
10.1021/ma300693h
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 facile strategy for the construction of supramolecular star-shaped ABC terpolymer was proposed and realized via the molecular recognition between beta-cyclodextrin- (beta-CD-) based host and adamantane-(AD-)modified guest. In the first step, beta-CD with two different functional groups was prepared, which was further used to construct a diblock copolymer host via "click" reaction with alkynyl-poly(ethylene glycol) (alkynyl-PEG) and atom transfer radical polymerization (ATRP) of dimethylaminoethyl methacrylate (DMAEMA) monomer. On the other hand, the AD-modified polymeric guest was obtained by ATRP of methyl methacrylate (MMA) using an AD-modified initiator. Because of the molecular recognition between beta-CDs and adamantyl moieties, the polymeric host and guest formed a star-shaped ABC miktoarm terpolymer via a simple mixing procedure. The resultant ABC miktoarm star-shaped terpolymer was characterized by two-dimensional NMR spectroscopy. This amphiphilic ABC miktoarm terpolymer could self-assemble into micelles in aqueous solution, and the reversible transition between assembly and disassembly of this supramolecular ABC miktoarm star terpolymer could be readily controlled by adding the competitive host or guest.
引用
收藏
页码：5941 / 5947
页数：7
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