Patent ID: 11920074
Assignee: MERCK PATENT GMBH
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C  G

Claim 6:
7. The medium according to claim 1, wherein the medium comprises one or more polymerizable compounds of formula P

P-Sp-A1-(Z1-A2)z-R  P, in which
P denotes a polymerizable group,
Sp denotes a spacer group or a single bond,
A1, A2 identically or differently, denote an aromatic, heteroaromatic, alicyclic or heterocyclic group, which may also contain fused rings, and which is unsubstituted, or mono- or polysubstituted by L,
L denotes F, Cl, —CN, P—Sp-,_ or straight chain alkyl having 1 to 25 C atoms or branched or cyclic alkyl having 3 to 25 C atoms, wherein one or more non-adjacent CH2— groups are each optionally replaced by —O—, —S—, —CO—, —CO—O—, —O—CO—, or —O—CO—O— in such a manner that O- and/or S-atoms are not directly connected with each other, and wherein one or more H atoms are each optionally replaced by P-Sp-, F or Cl,
Z1 denotes —O—, —S—, —CO—, —CO—O—, —O—CO—, —O—CO—O—, —OCH2—, —CH2O—, —SCH2—, —CH2S—, —CF2O—, —OCF2—, —CF2S—, —SCF2—, —(CH2)n1—, —CF2CH2—, —CH2CF2—, —(CF2)n1—, —CH═CH—, —CF═CF—, —CH═CF—, —CF═CH—, —C≡C—, —CH═CH—CO—O—, —O—CO—CH═CH—, —CH2—CH2—CO—O—, —O—CO—CH2—CH2—, —CR0R00—, or a single bond,
R0, R00 identically or differently, denote H or alkyl having 1 to 12 C atoms,
R denotes H, L, or P-Sp-,
z is 0, 1, 2 or 3,
n1 is 1, 2, 3 or 4.