Photocrosslinkable materials

Compound of formula (XIV):

• wherein
• F is fluorine, and
• x1 is an integer from 1 to 15,
• B represents a straight-chain or branched C1-C16alkyl group, which is in addition to its fluorine unsubstituted or substituent(s) substituted by di-(C1-C16alkyl)amino, C1-C6alkyloxy, nitro, cyano and/or chlorine;
• and wherein one or more —CH2— group may independently from each other be replaced by a linking group;
• X, Y each independently from each other represents hydrogen, fluorine, chlorine, cyano, unsubstituted or with fluorine substituted C1-C12alkyl, in which one or more —CH2— groups may be replaced by a linking group;
• n1 represents 1, 2, 3 or 4,
• Z1 represents a bridging group,
• L is —CH3, —COCH3, —OCH3, nitro, cyano, halogen, CH2═CH—, CH2═C(CH3)—, CH2═CH—(CO)O—, CH2═CH—O—, —NR5R6, CH2═C(CH3)—(CO)O—, CH2═C(CH3)—O—, wherein:
• R5, R6 each independently from each other represents a hydrogen atom or C1-C6alkyl,
• u1 is an integer of 0 to 4, and
• u2 is an integer of 0 to 3,
• with the proviso that if n1 is 2, 3 or 4 each B, x1 is identical or different.

Compound of formula (XVIa):

• wherein
• F is fluorine, and
• x1 is an integer from 1 to 15,
• B represents a straight-chain or branched C1-C16alkyl group, which is in addition to its fluorine unsubstituted or substituent(s) substituted by di-(C1-C16alkyl)amino, C1-C6alkyloxy, nitro, cyano and/or chlorine;
• and wherein one or more —CH2— group may independently from each other be replaced by a linking group;
• D1 represents an unsubstituted or substituted, aliphatic, aromatic and/or alicyclic diamine group having from 1 to 40 carbon atoms,
• E represents an aromatic group, an oxygen atom, a sulphur atom, —NH—, —N(C1-C6alkyl)—, —CR2R3,
• wherein R2 and R3 are independently from each other hydrogen or a cyclic, straight-chain or branched, substituted or unsubstituted C1-C24alkyl, wherein one or more —CH2— group(s) may be independently from each other replaced by a linking group, and with the proviso that at least one of R2 and R3 is not hydrogen;
• S1 represents a spacer unit;
• X, Y each independently from each other represents hydrogen, fluorine, chlorine, cyano, unsubstituted or with fluorine substituted C1-C12alkyl, in which one or more —CH2— groups may be replaced by a linking group;
• n represents 2, 3 or 4,
• n1 represents 1, 2, 3 or 4,
• Z1 represents a bridging group,
• L is —CH3, —COCH3, —OCH3, nitro, cyano, halogen, CH2═CH—, CH2═C(CH3)—, CH2═CH—(CO)O—, CH2═CH—O—, —NR5R6, CH2═C(CH3)—(CO)O—, CH2═C(CH3)—O—, wherein:
• R5, R6 each independently from each other represents a hydrogen atom or C1-C6alkyl,
• u1 is an integer of 0 to 4, and
• u2 is an integer of 0 to 3,
• each A, B, x1, D, E, S1, S2, X, Y are identical or different;
• and if n1 is 2, 3 or 4 each B, x1 is identical or different.