公开(公告)号：US20220145182A1

公开(公告)日：2022-05-12

申请号：US17425577

申请日：2020-02-05

Applicant: ROLIC TECHNOLOGIES AG

Inventor： David PIRES ,  Cédric KLEIN ,  Richard FRANTZ

IPC: C09K19/56 ,  C08F122/20 ,  C09D4/06 ,  C09D135/02 ,  C09K19/38 ,  G02F1/1337

Abstract: The present invention relates to a novel method for the preparation of photoaligning polymer materials comprising aryl acrylic acid ester groups, to photoalignment compositions obtained by this process, to the use of the composition as orienting layer for liquid crystals and to non-structured and structured optical elements, electro-optical elements, multi-layer systems or in nanoelectronics comprising the compositions.