Abstract

In this report, the photo and thermo dual responsive block copolymer, PVHMA-b-PNIPAM, is synthesized by reversible addition-fragmentation chain transfer polymerization. The structure of copolymer was characterized by GPC and NMR. The copolymer trends to form micelles in water. A photo controlled reversible size changing as well as temperature induced reversible precipitation and dispersion in water was found.

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