摘要:
Provided is a liquid-crystalline, polymerizable vinyl ketone compound of formula (1): Preferably, R1 is hydrogen, halogen, —CN, —CF3, —CF2H, —CFH2, —OCF3, —OCF2H, or alkyl, alkoxy, alkoxyalkyl or alkenyl having from 1 to 10 carbon atoms; R2, R3 and R5 are hydrogen; A1 to A4 are independently 1,4-cyclohexylene, 1,4-cyclohexenylene or 1,4-phenylene where any hydrogen may be substituted with halogen; Z1 to Z3 are independently a single bond, —(CH2)2—, —CH═CH—, —CF═CF—, —OCF2— or —CF2O—; Z4 is a single bond, —(CH2)3— or —(CH2)4—; m, n and q are independently 0, 1 or 2. The uppermost temperature of the liquid crystalline phase of the compound is high, and the compound has good compatibility with other compounds and has the necessary characteristics such as optical anisotropy. Also provided are a polymer having many good characteristics of transparency, mechanical strength, coatability, solubility, crystallinity, shrinkage, water permeability, water absorption, melting point, glass transition point, clearing point and chemical resistance; an optically-anisotropic material of the polymer; a liquid-crystal display device that comprises the polymer; and a method for producing the liquid-crystalline compound.
摘要:
A novel, superior, optically active liquid crystal compound exhibiting a smectic C* phase, and a liquid crystal composition containing the same are provided, which compound is expressed by the formula ##STR1## wherein X represents --CH.sub.2 O-- or --OCH.sub.2 --; Y represents --COO-- or --OCO--; and either one of R.sup.1 or R.sup.2 represents an optically active alkyl group, alkoxy group or alkoxycarbonyl group and the other represents a non-optically-active alkyl group or alkoxy group each of 4 to 18 carbon atoms.
摘要翻译:提供了表现出近晶C *相的新型优异的光学活性液晶化合物和含有它们的液晶组合物,该化合物由下式表示:其中X表示-CH2O-或-OCH2-; Y表示-COO-或-OCO-; R 1或R 2中的任一个表示光学活性的烷基,烷氧基或烷氧基羰基,另一个表示4〜18个碳原子的非光学活性的烷基或烷氧基。
摘要:
Provided is a liquid-crystalline, polymerizable vinyl ketone compound of formula (1): Preferably, R1 is hydrogen, halogen, —CN, —CF3, —CF2H, —CFH2, —OCF3, —OCF2H, or alkyl, alkoxy, alkoxyalkyl or alkenyl having from 1 to 10 carbon atoms; R2, R3 and R5 are hydrogen; A1 to A4 are independently 1,4-cyclohexylene, 1,4-cyclohexenylene or 1,4-phenylene where any hydrogen may be substituted with halogen; Z1 to Z3 are independently a single bond, —(CH2)2—, —CH═CH—, —CF═CF—, —OCF2— or —CF2O—; Z4 is a single bond, —(CH2)3— or —(CH2)4—; m, n and q are independently 0, 1 or 2. The uppermost temperature of the liquid crystalline phase of the compound is high, and the compound has good compatibility with other compounds and has the necessary characteristics such as optical anisotropy. Also provided are a polymer having many good characteristics of transparency, mechanical strength, coatability, solubility, crystallinity, shrinkage, water permeability, water absorption, melting point, glass transition point, clearing point and chemical resistance; an optically-anisotropic material of the polymer; a liquid-crystal display device that comprises the polymer; and a method for producing the liquid-crystalline compound.
摘要翻译:提供式(1)的液晶可聚合乙烯基酮化合物:优选R 1是氢,卤素,-CN,-CF 3,-CF 3, H 2,-CF 2 H 2,-OCF 3,-OCF 2 H或烷基,烷氧基,烷氧基烷基或 具有1至10个碳原子的烯基; R 2,R 3和R 5是氢; A 4 S 4独立地是1,4-亚环己基,1,4-亚环己基或1,4-亚苯基,其中任何氢可以被卤素取代; Z 1至Z 3独立地为单键, - (CH 2)2 - , - CH- CH-,-CF-CF-,-OCF 2 - 或-CF 2 O-; Z 4是单键, - (CH 2 CH 2)3 - 或 - (CH 2 2 N) 4 SUB> - ; m,n和q独立地为0,1或2.化合物的液晶相的最高温度高,并且该化合物与其它化合物具有良好的相容性,并且具有必要的光学各向异性特性。 还提供了具有透明性,机械强度,可涂布性,溶解性,结晶度,收缩率,透水性,吸水性,熔点,玻璃化转变点,清除点和耐化学性等许多良好特性的聚合物。 聚合物的光学各向异性材料; 包含聚合物的液晶显示装置; 和液晶化合物的制造方法。
摘要:
Novel ferroelectric liquid crystals exhibiting a chiral smectic C phase and liquid crystal compositions containing the same are provided, which liquid crystals are substituted biphenyl esters expressed by the general formula ##STR1## wherein R.sub.1 * represents an optically active alkyl group of 4 to 18 carbon atoms; ##STR2## represents ##STR3## or ##STR4## Z represents R.sub.2, R.sub.2 CO or R.sub.2 COO wherein R.sub.2 represents an alkyl group or an alkoxy group each of 1 to 18 carbon atoms; and X and Y each represent hydrogen atom (H), bromine atom (Br), chlorine atom (Cl), fluorine atom (F) or cyano group (CN), and either one of X or Y is always hydrogen atom.
摘要:
A liquid crystal compound containing an optically active group, suitable for being used for display mode utilizing ferroelectric liquid crystals, and a composition containing the same are provided, which compound is an optically active pyridazine compound expressed by the general formula ##STR1## wherein X represents an alkyl group or an alkoxy group each having 1 to 18 carbon atoms and R* represents an optically active group.
摘要:
A novel lactone compound exhibiting a larger spontaneous polarization value when added to ferroelectric liquid crystal compositions as a basic substance, than those of so far known lactone compounds, and yet having a relatively low viscosity, and a liquid crystal composition comprising the compound, and further a liquid crystal element using the same are provided, the lactone compound being expressed by the formula ##STR1## wherein R.sup.1 is a linear or branched alkyl group or alkoxy group of 1-15C, R.sup.2 is a linear or branched alkyl group of 1-16C, --A-- is single bond, 1,4-phenylene group or 1,4-cyclohexylene group and * is an asymmetric carbon atom.
摘要:
A novel chiral liquid crystalline compound having an optically active group and a liquid crystal composition containing the same are provided, which compound is expressed by the general formula ##STR1## wherein R is a linear chain or branched alkyl group of 1.about.18 C; l is 0 or 1; X is COO or --O-- in the case of l=0 and COO, --O-- or --CH.sub.2 -- in the case of l=1; and * represents optically active carbon, and which compound, when used as a display element, brings about a higher response velocity.
摘要:
Chiral smectic compounds having a high response rate and being superior as a ferroelectric liquid crystalline material, and chiral smectic mixtures containing the same are provided, which compounds being expressed by the formula ##STR1## wherein X represents --CH.sub.2 --, --O-- or --CO--; n represents 0, 1 or 2; when X represents --CH.sub.2 --, Y represents R--, R--CO--, ROCO--, ##STR2## wherein R represents an alkyl group having 1 to 18 carbon atoms, and when X represents --O-- or --CO--, Y represents R; and * represents a symbol indicating an optically active carbon atom.
摘要:
Chiral smectic compounds having a high response rate and being superior as a ferroelectric liquid crystalline material, and chiral smectic mixtures containing the same are provided, which compounds being expressed by the formula ##STR1## wherein X represents --CH.sub.2 --, --O-- or --CO--; n represents 0, 1 or 2; when X represents --CH.sub.2 --, Y represents R--, R--CO--, ROCO--, ##STR2## wherein R represents an alkyl group having 1 to 18 carbon atoms, and when X represents --O-- or --CO--, Y represents R; and * represents a symbol indicating an optically active carbon atom.
摘要:
Novel chiral smectic ester compounds suitable for a display mode utilizing ferroelectric liquid crystals, and liquid crystal compositions containing the same are provided, which compounds are expressed by the formula ##STR1## wherein R represents an alkyl group of 1 to 18 carbon atoms; R* represents an optically active alkyl group of 4 to 18 carbon atoms; X represents either one of a single bond, --O-- ##STR2## A represents ##STR3## and m and n each is 1 or 2.
摘要翻译:提供了适用于利用铁电液晶的显示模式的新型手性近晶化合物化合物和含有它们的液晶组合物,该化合物由下式表示:其中R表示1至18个碳原子的烷基; R *表示4〜18个碳原子的光学活性烷基; X表示单键,-O-表示,m和n各自为1或2。