Polymerizable LC Material and Polymer Film

A cholesteric polymerizable LC material, comprising one or more compounds of formula A,

• P is a polymerizable group,
• Sp is a spacer group or a single bond,
• R11 is alkyl, alkoxy, thioalkyl, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy, preferably with 1 to 15 C atoms, which is optionally fluorinated.
• A denotes, an aromatic or alicyclic group, which optionally containing one or more heteroatoms selected from N, O and S, and optionally mono- or polysubstituted by L,
• L is F, Cl, Br, I, —CN, —NO2, —NCO, —NCS, —OCN, —SCN, —C(═O)NRxRy, —C(═O)ORx, —C(═O)Rx, —NRxRy, —OH, —SF5, or straight chain or branched alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy with 1 to 12, wherein one or more H atoms are optionally replaced by F or Cl, preferably F, —CN or straight chain or branched alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy 1 to 6 C atoms,
• R00, R000, Rx and Ry independently of each other denote H or alkyl with 1 to 12 C-atoms,
• Z11 and Z12 denotes, in case of multiple occurrence independently of one another, —O—, —S—, —CO—, —COO—, —OCO—, —S—CO—, —CO—S—, —O—COO—, —CO—NR00—, —NR00—CO—, —NR00—CO—NR000, —NR00—CO—O—, —O—CO—NR00—, —OCH2—, —CH2O—, —SCH2—, —CH2S—, —CF2O—, —OCF2—, —CF2S—, —SCF2—, —CH2CH2—, —(CH2)n1, —CF2CH2—, —CH2CF2—, —CF2CF2—, —CH═N—, —N═CH—, —N═N—, —CH═CR00—, —CY1═CY2—, —C≡C—, —CH═CH—COO—, —OCO—CH═CH— or a single bond, preferably —COO—, —OCO— or a single bond, more preferably —COO— or —OCO—,
• Y1 and Y2 independently of each other denote H, F, Cl or CN, and
• n1 is an integer from 1 to 10, preferably 1, 2, 3 or 4,
• and/or
• one or more compounds of formula B,
• wherein
• P is independently of one another, a polymerizable group, preferably having one of the meanings given for P below, and is more preferably an acryl, methacryl, oxetane, 3-ethyloxetane, epoxy, vinyloxy or styrene group,
• Sp is a spacer group or a single bond, preferably having one of the meanings given for Sp′ below,
• La is, in case of multiple occurrence identically or differently F, Cl, CN, SCN, SF5 or straight-chain or branched, optionally mono- or polyfluorinated alkyl, alkoxy, alkenyl, alkynyl, alkylcarbonyl, alkoxycarbonyl, or alkylcarbonyloxy or alkoxycarbonyloxy having 1 to 12 C atoms, (wherein the groups different from alkyl and alkoxy contain at least 2 C atoms and branched groups contain at least 3 C atoms) or optionally halogenated alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy with 1 to 5 C atoms,
• r is 0, 1, 2, 3 or 4.