Polymerizable liquid crystal compound, liquid crystal composition, and polymer
US7985455B2 · kind B2 · utility
1Cited by
8References
18Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 7, 2010 |
| Grant date | Jul 26, 2011 |
| Priority date | — |
| Expiry date | May 7, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2323/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The compound of the present invention is represented by the formula (1). In the formula (1), R1 and R2 are hydrogen, fluorine, chlorine, methyl or ethyl; X1 and X2 are hydrogen, fluorine, methyl or trifluoromethyl; Z1 and Z2 are a single bond, —COO—, —OCO—, —CH═CH—COO—, —OCO—CH═CH—, —CH2CH2—COO—, —OCO—CH2CH2—, —CH2O—, —CONH—, —(CH2)4—, —CH2CH2— or —C≡C—; Z3 and Z4 are a single bond or —O—; A1 and A2 are 1,4-cyclohexylene, 1,4-phenylene, 1,3-phenylene, pyridin-2,5-diyl, pyrimidin-2,5-diyl, naphthalen-2,6-diyl or tetrahydronaphtlane-2,6-diyl; and Y1 and Y2 are alkylene having from 2 to 20 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.