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A Self-Assembly Approach to Temperature-Responsive Polymer Nanocontainers

✍ Scribed by Xiangrong Chen; Xiaobin Ding; Zhaohui Zheng; Yuxing Peng

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
132 KB
Volume
25
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

Summary: Thermosensitive polymer nanocontainers were formed by self‐assembly of diblock copolymers poly(2‐cinnamoylethyl methacrylate)‐block‐poly(N‐isopropylacrylamide) (PCEMA‐block‐PNIPAM) and subsequent photo‐crosslinking of the PCEMA shells. It was found that the diameter of the nanocontainers ranges from tens of nanometers to thousands of nanometers, depending on the self‐assembly conditions. The phase transition of the nanocontainers takes place at 32 °C; the structural changes are reversible in a heating and cooling cycle.

Schematic illustration of the structural transition behavior of the thermosensitive polymer nanocontainers.

imageSchematic illustration of the structural transition behavior of the thermosensitive polymer nanocontainers.

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