Paper Title:
Synthesis and Property of Photo- and Temperature- Dual-Responsive Amphiphilic Block Copolymers
  Abstract

Photo- and temperature-responsive amphiphilic block copolymers, poly(ethylene glycol)-b-poly{(N-isopropylacrylamide-co-6-[4-(4-methoxyphenylazo)phenoxy]hexyl methacrylate), denoed as PEO-b-P(NIPAM-co-MAZO), were designed and synthesized by atom transfer radical polymerization (ATRP). The macroinitiator based on poly(ethylene glycol) (PEG, Mn = 2000 Da) was utilized to initiate the copolymerization of N-isopropylacrylamide (NIPAM) and 6-[4-(4-methoxyphenylazo)phenoxy]hexyl methacrylate (MAZO). The resultant copolymers, combining photo-responsive moieties with thermal-responsive moieties, possess photo- and temperature- dual-responsive property, among of which, PNIPAM shows lower critical solution temperature (LCST) and PMAZO exhibits reversible trans-cis isomerization under UV/vis irradiation. In selective solution they can form selective micro-tunnel with excellent controlled release, and can be used as drug carrier and controllable membrane.

  Info
Periodical
Advanced Materials Research (Volumes 87-88)
Edited by
Lianxiang Ma, Chuangsheng Wang and Weimin Yang
Pages
47-51
DOI
10.4028/www.scientific.net/AMR.87-88.47
Citation
X. D. Tang, N. F. Han, D. J. Zhou, "Synthesis and Property of Photo- and Temperature- Dual-Responsive Amphiphilic Block Copolymers", Advanced Materials Research, Vols. 87-88, pp. 47-51, 2010
Online since
December 2009
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Price
$32.00
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