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公开(公告)号：DE4002082A1
公开(公告)日：1991-08-01
申请号：DE4002082
申请日：1990-01-25
Applicant: HOECHST AG
Inventor： DUEBAL HANS-ROLF DR , MURAKAMI MIKIO , DROTLOFF HANS-OTTO DR , BREKNER MICHAEL DR
IPC: C09K19/56 , C08G65/40 , G02F1/1337
Abstract: The use of polyaryl ether ketones of the structural unit -O-A-O-B- gives alignment layers for liquid-crystal displays and switching elements which have high transparency, low water-absorption capacity and a particularly uniform alignment, both of smectic and nematic liquid crystals, and thus enable high contrast to be obtained.
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