申请人:Merck Patent GmbH
公开号:US20170335192A1
公开(公告)日:2017-11-23
A polymerisable LC material comprising at least one di- or multireactive mesogenic compound selected from the group of compounds of formula I,
at least one monoreactive mesogenic compound selected from the group of compounds of formula II,
wherein the parameter A
11
to A
21
, L
21
, p, P
11
to P
22
, R
21
, Sp
11
to Sp
21
, X
11
to X
21
, and Z
11
to Z
21
have one of the meanings as given in claim
1,
and at least one carbazole oxime ester photoinitiator. Furthermore, a method for preparation of the polymerisable LC material, a polymer film with improved thermal durability obtainable from the corresponding polymerisable LC material, a method of preparation of such polymer film, and the use of such polymer film and said polymerisable LC material for optical, electro-optical, decorative or security devices.