Patent ID: 7344762
Filing Date: 2008-03-18
Classification: B42D,C09K

Abstract:
1. A method of preparing a polymer film or marking comprising printing a polymerizable liquid crystal material onto a substrate and polymerizing said liquid crystal material to form the polymer film or marking, wherein the polymerizable liquid crystal material does not contain a solvent, thinner, dispersion agent, polymeric binder, or a monomer compound that can be converted into the polymeric binder by polymerization, and wherein the polymerizable liquid crystal material comprises at least one compound of formula I and/or at least one compound of formula II wherein P is a polymerizable group, Sp is a spacer group S—X, wherein S is alkylene with up to 20 C atoms which may be unsubstituted, mono- or poly-substituted in each case independently by F, Cl, Br, I or CN, one or more non-adjacent CH R is halogen, straight chain or branched alkyl with 1 to 20 C atoms, that is unsubstituted, mono- or polysubstituted, in each case independently, by F, Cl, Br, I or CN, and wherein one or more non-adjacent CH R L is F, Cl, Br, or an alkyl, alkoxy, alkylcarbonyl or alkoxycarbonyl group with 1 to 12 C atoms, wherein one or more H atoms, each independently, are optionally replaced by F or Cl, and r and s are independently of each other 0, 1, 2, 3 or 4.