Issue 62, 2016

Photocleavable amphiphilic diblock copolymer with an azobenzene linkage

Abstract

Amphiphilic diblock copolymers with an azobenzene linkage were synthesized by a macromolecular azo coupling reaction between a PEG based macromolecular diazonium salt and a PS based polymeric block with a functional terminus. Colloidal aggregates could be directly prepared by self-assembly of the prepared amphiphilic copolymer in selective solvents (THF/H2O). By irradiation with UV light, the azobenzene linkage in the block copolymer can be efficiently photocleaved. Thus, the colloidal aggregates of the amphiphilic diblock copolymer will be disrupted due to the cleavage of the azobenzene junction.

Graphical abstract: Photocleavable amphiphilic diblock copolymer with an azobenzene linkage

Supplementary files

Article information

Article type
Paper
Submitted
10 May 2016
Accepted
08 Jun 2016
First published
08 Jun 2016

RSC Adv., 2016,6, 57227-57231

Photocleavable amphiphilic diblock copolymer with an azobenzene linkage

J. Wang, Y. Ouyang, S. Li, X. Wang and Y. He, RSC Adv., 2016, 6, 57227 DOI: 10.1039/C6RA12129B

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