prov:value
| - A suitable group of liquid crystalline acrylate monomers is represented by formula 1 of the formula sheet, in which formula --A-- is a bivalent radical, for example, (CH2)x, (CH2)x O, (Si(CH3)2 --O)x, wherein x=1-15 and (CH2 --CH2 --O)y, wherein y=1 to 8 and --B-- is a mesogenic group, for example, a group of formulae 7, 8, 9 or 10, and in which formula 1 R1 is H or CH3 and R2 is an alkyl group a
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