α-cyclodextrin assisted self-assembly of poly(ethylene glycol)-block-poly(N-isopropylacrylamide) in aqueous media

被引：6
作者：
Yuen, Fanny
Tam, Kam Chiu [1 ]
机构：
[1] Univ Waterloo, Dept Chem Engn, Waterloo, ON N2L 3G1, Canada
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2013年 / 127卷 / 06期
基金：
加拿大自然科学与工程研究理事会;
关键词：
cyclodextrin; block copolymers; self-assembly; inclusion complexes; atom transfer radical polymerization; HYDROPHILIC BLOCK-COPOLYMER; OXIDE) TRIBLOCK COPOLYMERS; INCLUSION COMPLEXES; DIBLOCK COPOLYMERS; LIGHT-SCATTERING; PHASE-BEHAVIOR; AGGREGATION; GLYCOL); MICELLIZATION; RELEASE;
D O I：
10.1002/app.38072
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Poly(ethylene glycol)-block-poly(N-isopropylacrylamide) (PEG-b-PNIPAM) block copolymers were synthesized by atom transfer radical polymerization, and the a-cyclodextrin (a-CD) induced self-assembly characteristics of the system were elucidated. Below the lower critical solution temperature (LCST) of PNIPAM, CD threaded onto the PEG segments and induced micellization to form rod-shaped nanostructures comprising of a PEG/a-CD condensed phase and a PNIPAM shell. Increasing the temperature of system above the LCST caused the PNIPAM segments to collapse, which resulted in the dethreading of the CD. (c) 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013
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页码：4785 / 4794
页数：10
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