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- Title
Photoinduced Bending Behavior of Cross-linked Azobenzene Liquid-Crystalline Polymer Films with a Poly(oxyethylene) Backbone.
- Authors
Lv, Jiu‐an; Wang, Weiru; Xu, Jixiang; Ikeda, Tomiki; Yu, Yanlei
- Abstract
Cross-linked azobenzene liquid-crystalline polymer films with a poly(oxyethylene) backbone are synthesized by photoinitiated cationic copolymerization. Azobenzene moieties in the film surface toward the light source are simultaneously photoaligned during photopolymerization with unpolarized 436 nm light and thus form a splayed alignment in the whole film. The prepared films show reversible photoinduced bending behavior with opposite bending directions when different surfaces of one film face to ultraviolet light irradiation.
- Subjects
AZOBENZENE; POLYMER liquid crystals; POLYETHYLENE glycol; COPOLYMERIZATION; PHOTOPOLYMERIZATION
- Publication
Macromolecular Rapid Communications, 2014, Vol 35, Issue 14, p1266
- ISSN
1022-1336
- Publication type
Article
- DOI
10.1002/marc.201400112