Patent ID: 11873439
Assignee: MERCK PATENT GMBH
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C  G

Claim 16:
17. The polymerizable LC material according to claim 2, wherein MG has formula

-(A1-Z1)n-A2-  MG

wherein
A1 and A2 denote, in case of multiple occurrence independently of one another, an aromatic or alicyclic group, which optionally contains one or more N, O and S heteroatoms, and is optionally mono- or polysubstituted by L1,
L1 is P-Sp-, F, Cl, Br, I, —CN, —NO2, —NCO, —NCS, —OCN, —SCN, —C(═O)NR00R000, —C(═O)OR00, —C(═O)R00, —NR00R000, —OH, —SF5, optionally substituted silyl, C3-12-aryl or heteroaryl, C1-12-straight chain or C3-12-branched alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy, wherein one or more H atoms are optionally replaced by F or Cl,
R00 and R000 independently of each other denote H or alkyl with 1 to 12 C-atoms,
Z1 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,
Y1 and Y2 independently of each other denote H, F, Cl or CN,
n is 1, 2, 3 or 4, and
n1 is an integer from 1 to 10.