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P‐129: Rejuvenated Photoalignment of Liquid Crystal on Cinnamoil‐Containing Polymers

We report on easy orientation axis alternation in new photoaligning polymers (PG materials) based on cellulose backbone containing photosensitive cinnamoil groups. Materials have strong application potential due to high aligning quality and photosensitivity, strong anchoring energy, small sticking effect. Rejuvenation of polymer after UV‐irradiation makes PG attractive for various applications.