abstract |
The invention relates to polymerisable LC material comprising one or more di-or multireactive mesogenic compounds, one or more compounds of formula CO, and one or more compounds of formula OE, wherein R1 and R2, X, L1 to L4 and n have one of the meanings as given in claim 1. Furthermore, the present invention relates also to a method for its preparation, a polymer film with improved thermal durability obtainable from the corresponding polymerisable LC material, to a method of preparation of such polymer film, and to the use of such polymer film and said polymerisable LC material for optical, electro-optical, decorative or security devices. |