Abstract:
The polymerizable compound of the present invention is represented by general formula (1) below and can provide a composition that is polymerizable near ambient temperature and exists in a liquid crystal phase at low temperatures. The composition and a (co)polymer of the polymerizable compound of the present invention are liquid crystal substances useful as optically anisotropic materials. (In the formula, each of rings A 1 to A 3 represents a benzene ring, cyclohexane ring, etc.; each of X to Z represents a C 1-8 alkyl or alkoxy group, C 2-6 alkenyl group, halogen atom, cyano group, or CH 2 =CR 3 -COO-; each of R 1 to R 3 represents a hydrogen atom, methyl group, or halogen atom; each of L 1 to L 3 represents -CH 2 CH 2 COO-, -COO-, -OCO-, -CH 2 CH 2 -, -O(CH 2 ) f - (herein, f = 1-8), etc.; n represents 0 or 1; and a to c represent such numbers that the polymerizable compound has at least one or more of any of X, Y, and Z.)
Abstract:
A polymerizable compound represented by the following general formula (1). It can provide a composition which is polymerizable at around room temperature and shows a liquid-crystal phase at low temperatures. The composition and a (co)polymer of the polymerizable compound are a liquid-crystal substance useful as an optically anisotropic object. (In the formula, rings A1 to A3 each represents a benzene ring, cyclohexane ring, etc.; X to Z each represents C1-8 alkyl or alkoxy, C2-6 alkenyl, halogeno, cyano, or CH2=CR3-COO-; R1 to R3 each represents hydrogen, methyl, or halogeno; L1 to L3 each represents -CH2CH2COO-, -COO-, -OCO-, -CH2CH2-, -O(CH2)f- (wherein f is 1 to 8), etc.; n is 0 or 1; and a to c are such numbers that the polymerizable compound has one or more substituents which are at least any one of X, Y, and Z.)
Abstract:
PROBLEM TO BE SOLVED: To provide a polymerizable liquid crystal compound exhibiting a liquid crystal phase at room temperature without precipitating a crystal even having high optical anisotropy, having excellent solubility in an organic solvent, excellent coatability and excellent orienting properties, and providing excellent transparency after polymerization; and to provide homo- and co-polymers of the polymerizable liquid crystal compound. SOLUTION: The polymerizable liquid crystal compound is represented by general formula (1) [wherein, R 1 and R 2 are each a hydrogen atom, a methyl group or a halogen atom; rings A to C are each a benzene ring, a naphthalene ring or the like, with the proviso that at least one of the rings A to C is a condensed ring; X to Z are each a 1-6C alkyl group or the like; L 1 to L 3 are each -COO-, -OCO-, -O(CH 2 ) j - (j is 1-8), or the like; n is 0 or 1; (a) to (c) are each a number showing that at least one of X, Y and Z is present in the polymerizable liquid crystal compound]. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a polymerizable liquid crystalline composition having excellent solubility in an organic solvent, providing good liquid crystallinity and transparency after polymerization, exhibiting excellent heat resistance and orientation control, and enabling thin film formation of the obtained optically anisotropic body. SOLUTION: The polymerizable liquid crystalline composition contains one or more kinds of the polymerizable liquid crystalline compounds, for example, obtained by a reaction formula represented by the formula, and one or more kinds of polymerizable liquid crystalline compounds, for example, produceable by an esterification reaction of a benzoic acid ester having an acryloyl group with a phenol having the acryloyl group, in combination. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a polymerizable compound good in solvent solubility and superior in orientation controllability and optical characteristics, and a polymerizable composition. SOLUTION: The polymerizable compound is expressed by general formula (1). The polymerizable composition contains the polymerizable compound. In the general formula (1), M 1 and M 2 each independently express a hydrogen atom or a methyl group, X 1 and X 2 each independently express a 1-10C alkylene group which may have direct bond or branch, an alkyleneoxy group or an alkyleneoxycarbonyloxy group, X 3 expresses a 1-10C alkylene group which may have branch, Y 1 and Y 2 each express an ester bond or the like, and rings A, B, C and D each express a ring structure such as 2,6-naphthylene. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a polymerizable compound and a polymerizable composition capable of obtaining a polymer with excellent hardness and heat-resistance and further excellent optical characteristic. SOLUTION: The polymerizable compound is represented by general formula (1) (wherein, X 1 -X 3 each independently represent a hydrogen atom or a methyl group, Y represents -COR, -COOR or -OCOR, R represents a hydrogen atom, a halogen atom, a 1-8C alkyl group or a 6-membered ring, ring A and ring B represent a condensation ring or a ring structure of 6-membered ring and at least one is a condensation ring, L 1 -L 3 each independently represent -COO- or -OCO-). COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a new polymerizable compound useful as an intermediate for polymerizable liquid crystal materials. SOLUTION: The new polymerizable compound is expressed by general formula (I) (R 1 is hydrogen atom, methyl group or halogen atom; R 2 is a 1-6C alkyl group optionally having substituent, a 1-6C alkoxy group optionally having substituent, halogen atom or cyano group, wherein the alkylene group in the alkyl group and alkoxy group may be interrupted by unsaturated bond, ether bond, thioether bond or ester bond; n is an integer of 0-14; and m is 0 or 1). COPYRIGHT: (C)2007,JPO&INPIT