专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JPS60248790A FERROELECTRIC LIQUID CRYSTAL COMPOSITION AND OPTICAL DEVICE THEREFROM 失效
公开(公告)号：JPS60248790A
公开(公告)日：1985-12-09
申请号：JP10257884
申请日：1984-05-23
申请人： HITACHI LTD , CHISSO CORP
发明人： KITAMURA TERUO , HATSUTORI SHINTAROU , KONDOU KATSUMI , NAKADA TADAO , KOUBI AKIO
IPC分类号： C09K19/46 , C09K19/12 , C09K19/20 , C09K19/22 , C09K19/48 , G02F1/13 , G09F9/35
摘要： PURPOSE:A ferroelectric liquid crystal composition that is obtained by mixing 2 or more ferroelectric liquid crystal compounds different in basic skeletal structure to one another, thus being suitable for use in optical switches and displays, because of its good respondence. CONSTITUTION:The objective ferroelectric liquid crystal composition is obtained by mixing 2 or more compounds having a basic skeletal structure of formula I (R, R' are alkyl; formulas II and III are divalent 6-membered rings; Z is single bond or divalent chain group) but different in the structure IV. As a compound of formula I, are preferably selected from those having benzene, (phenyl) cyclohexane, biphenyl, naphthalene ring as formulas II and III and single bond, ester, Schiff's base, oxymethylene, ethylene as Z.

2. 发明专利

JPS60149548A LIQUID CRYSTAL SUBSTANCE AND LIQUID CRYSTAL COMPOSITION 失效
公开(公告)号：JPS60149548A
公开(公告)日：1985-08-07
申请号：JP24647184
申请日：1984-11-21
申请人： CHISSO CORP , HITACHI LTD
发明人： INUKAI TAKASHI , FURUKAWA KENJI , TERAJIMA KANETSUGU , SAITOU SHINICHI , ISOGAI MASATO , HATSUTORI SHINTAROU , IWASAKI KISHIROU , KITAMURA TERUO , KOUBI AKIO
IPC分类号： C09K19/20 , C07C69/76 , C07C69/773 , C07C69/82 , C07C69/83 , C07C69/92 , C07C69/94 , C09K19/48 , G02F1/13
摘要： NEW MATERIAL:A compound expressed by formula I (R is 1-20C alkyl and alkoxyl); R* is optically active group containing asymmetric carbon atom; m and n are 1 or 2). EXAMPLE:4'-n-Decyl-4-biphenylyl S-p-(2-methylbutoxyacrbonyl)benzoate. USE:One component in liquid crystal compositions, particularly a strongly dielectric liquid crystal compound having improved response to image display, improved light resistance and a wide temperature range (MR) exhibiting strong dielectric property even by itself but capable of exhibiting a wide MR near room temperature by mixing with another strongly dielectric liquid crystal compound. PREPARATION:A compound expressed by formula II as a raw material is converted into an acid chloride expressed by formula III, which is then reacted with an optically active alcohol expressed by the formula ROH to produce a compound expressed by formula IV. The resultant compound expressed by formula IV. The resultant compound expressed by formula IV is then oxidized to give a compound expressed by formula V, which is converted into an acid chloride expressed by formula VI, and finally reacted with a compound expressed by formula VI to afford the aimed compound expressed by formula I .

3. 发明专利

JPS60149547A LIQUID CRYSTAL SUBSTANCE AND LIQUID CRYSTAL COMPOSITION 失效
公开(公告)号：JPS60149547A
公开(公告)日：1985-08-07
申请号：JP24647084
申请日：1984-11-21
申请人： CHISSO CORP , HITACHI LTD
发明人： INUKAI TAKASHI , FURUKAWA KENJI , TERAJIMA KANETSUGU , SAITOU SHINICHI , ISOGAI MASATO , HATSUTORI SHINTAROU , IWASAKI KISHIROU , KITAMURA TERUO , KOUBI AKIO
IPC分类号： C09K19/20 , C07C69/76 , C07C69/773 , C07C69/82 , C07C69/83 , C07C69/92 , C07C69/94 , C09K19/48 , G02F1/13
摘要： NEW MATERIAL:A compound expressed by formula I (X is -CH2O- or -OCH2-; R is 1-22C alkyl and alkoxyl; R* is optically active group containing asymmetric carbon atom; m and n are 1 or 2). EXAMPLE:2-Methylbutyl S-4-(p-octyloxygenzoyloxy)-4-biphenylcarboxylate. USE:One component in liquid crystal compositions, particularly a strongly dielectric liquid drystal compound having improve response to image display, improved light resistance and a wide temperature range (MR) exhibiting strong dielectric property even by itself but capable of exhibiting a wide MR near room temperature by mixing with another strongly dielectric liquid crystal. PREPARATION:For example, a compound expressed by formula II as a raw material is halogenated to give a halide expressed by formula III (Hal is halogen), which is then reacted with an optically active compound expressed by formula IV to afford the aimed compound expressed by formula I (X is -CH2O-).

4. 发明专利

JPS59118744A Liquid crystal substance and liquid crystal composition 失效
标题翻译：液晶物质和液晶组合物
公开(公告)号：JPS59118744A
公开(公告)日：1984-07-09
申请号：JP23456182
申请日：1982-12-25
申请人： Chisso Corp , Hitachi Ltd
发明人： INUKAI TAKASHI , FURUKAWA KENJI , TERAJIMA KENJI , SAITOU SHINICHI , ISOGAI MASATO , HATSUTORI SHINTAROU , IWASAKI KISHIROU , KITAMURA TERUO , KOUBI AKIO
IPC分类号： C07C69/94 , C09K19/12 , C09K19/46 , G02F1/13 , G09F9/00
摘要： NEW MATERIAL:The compound of formula (R is alkyl; R* is optically active group having asymmetric carbon atom).
EXAMPLE: 4-Octyloxy-4-biphenylcarboxylic acid 2-methylbutyl ester.
USE: A ferroelectric liquid crystal component having photochemical and chemical stability. When mixed with other liquid crystal compound, the temperature range of the composition exhibiting ferroelectricity can be lowered near to room temperature. The ferroelectric composition can be utilized for a display device taking advantage of the photo-switching phenomenon of ferroelectric liquid crystal, and a high-speed photo-switching having a response time of about 1 m-sec can be attained.
PROCESS: The compound of formula I can be prepared by converting 4-alkyloxy- 4'-biphenylcarboxylic acid to an acid halide with a halogenation agent such as thionyl chloride, phosphorus pentachloride, etc., and reacting the halide with an optically active alcohol in e.g. pyridine.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：新材料：式（R是烷基; R *是具有不对称碳原子的光学活性基团）的化合物。实施例：4-辛氧基-4-联苯基羧酸2-甲基丁酯。用途：具有光化学稳定性和化学稳定性的铁电液晶成分。当与其它液晶化合物混合时，显示铁电性的组合物的温度范围可以接近于室温降低。利用铁电液晶的光电转换现象，可以将铁电体组合物用于显示装置，并且可以获得响应时间约1m-sec的高速光电转换。方法：式I化合物可以通过用卤化剂如亚硫酰氯，五氯化磷等将4-烷氧基-4'-联苯羧酸转化为酰卤，并将卤化物与光学活性醇反应制备例如吡啶。

5. 发明专利

JPS5998051A LIQUID CRYSTAL COMPOUND AND LIQUID CRYSTAL COMPOSITION 失效
公开(公告)号：JPS5998051A
公开(公告)日：1984-06-06
申请号：JP20610682
申请日：1982-11-26
申请人： HITACHI LTD , CHISSO CORP
发明人： ISOGAI MASATO , HATSUTORI SHINTAROU , IWASAKI KISHIROU , KITAMURA TERUO , KOUBI AKIO , INUKAI TAKASHI , FURUKAWA KENJI , TERAJIMA KENJI , SAITOU SHINICHI
IPC分类号： C09K19/22 , C07C67/00 , C07C241/00 , C07C251/24 , C09K19/48 , G02F1/13 , G09F9/00
摘要： NEW MATERIAL:The compound of formula (R is alkoxy or alkyl; R* is group containing asymmetric carbon atom). EXAMPLE:P-n-Decyloxybenzylidene-p'-(2-methylbutyloxycarbonyl)aniline. USE:Useful as a component of a ferroelectric liquid crystal composition. It has high light stability. PROCESS:The exemplified compound can be prepared by boiling a (+)-p-amino- benzoic acid 2-methylbutyl ester, p-n-decyloxybenzaldehyde and p-toluenesulfonic acid in toluene using a Dean-Stark reflux condenser to remove the produced water. The (+)-p-aminobenzoic acid 2-methyl-butyl ester used as a raw material can be obtained by reacting (-)-2-methylbutyl alcohol with p-nitrobenzoic acid chloride in pyridine, and reducing the reaction product with hydrogen in the presence of Pd/C catalyst. Another raw material, p-n-decylbenzaldehyde, is obtained by the reaction of p-hydroxybenzaldehyde with n-decyl bromide.

6. 发明专利

JPS60199865A LIQUID CRYSTAL COMPOUND 失效
公开(公告)号：JPS60199865A
公开(公告)日：1985-10-09
申请号：JP5587484
申请日：1984-03-23
申请人： HITACHI LTD , CHISSO CORP
发明人： HATSUTORI SHINTAROU , ISOGAI MASATO , IWASAKI KISHIROU , KITAMURA TERUO , KOUBI AKIO , INUKAI TAKASHI , FURUKAWA KENJI , TERAJIMA KENJI , SAITOU SHINICHI
IPC分类号： C09K19/22 , C07C67/00 , C07C241/00 , C07C251/24 , C09K19/48 , G02F1/13
摘要： NEW MATERIAL:A liquid crystal compound of the formula (R is alkyl, alkoxy of 20 or less carbon atoms; R* is optically active group including asymmetric carbon; m, n are natural numbers). EXAMPLE:p-(2-Methylbutoxycarbonyl)-benzylidene-p'-methylaniline. USE:A component of liquid crystal: it shows ferroelectric liquid crystal and has high stability to light and high-speed response. PREPARATION:For example, an acid chloride is obtained from 4-formylbenzoic acid and thionyl chloride and the product is allowed to react with S(-)-2-methylbutanol in pyridine to give p-(2-methylbutoxycarbonyl)-benzaldehyde. The reaction of the product with p-n-tetradecyloxyaniline gives the compound shown in the formula.

7. 发明专利

JPS60248789A FERROELECTRIC LIQUID CRYSTAL COMPOSITION 失效
公开(公告)号：JPS60248789A
公开(公告)日：1985-12-09
申请号：JP10257984
申请日：1984-05-23
申请人： HITACHI LTD , CHISSO CORP
发明人： HATSUTORI SHINTAROU , KONDOU KATSUMI , KITAMURA TERUO , HANAWA YASUO , KOUBI AKIO
IPC分类号： C09K19/02 , C09K19/12 , C09K19/20 , G02F1/13 , G02F1/137 , G02F1/141 , G09F9/35
摘要： PURPOSE:A ferroelectric liquid crystal composition that contains a compound which show ferroelectric chiral smectic phase followed by crystal phase on cooling, thus showing good respondence. CONSTITUTION:The objective liquid crystal composition contains at least two compounds which show ferroelectric chiral smectic C phase (having self-polarization of more than 0.5nc/cm at a temperature 1 deg.C lower than the upper limit temperature of the chiral smectic C phase) followed by crystal phase, thus having 19 deg.C or lower under limit liquid temperature. The preferable compounds are, e.g., those of formula I -V (n is a positive integer).

8. 发明专利

JPS6032748A LIQUID CRYSTAL COMPOUND 失效
公开(公告)号：JPS6032748A
公开(公告)日：1985-02-19
申请号：JP13780083
申请日：1983-07-29
申请人： HITACHI LTD , CHISSO CORP
发明人： HATSUTORI SHINTAROU , ISOGAI MASATO , IWASAKI KISHIROU , KITAMURA TERUO , KOUBI AKIO , INUKAI TAKASHI , FURUKAWA KENJI , TERAJIMA KENJI , SAITOU SHINICHI
IPC分类号： C07C69/90 , C07C69/92 , C07C69/94 , C09K19/20
摘要： NEW MATERIAL:The liquid crystal compound of formula (R is =7). EXAMPLE:p-n-Decyloxybenzoic acid p'-(2-methylbutoxycarbonyl)phenyl ester. USE:A liquid crystal composition stable to water and light and exhibiting ferroelectric liquid crystal phase. PREPARATION:The compound of formula is prepared by reacting a p-hydroxybenzoic acid ester containing optically active group (e.g. 2-methylbutyl, 3-methylpentyl, etc.) with acid halide of the corresponding p-alkoxy or alkylbenzoic acid, etc. in a basic solvent (e.g. pyridine).

9. 发明专利

JPS60255806A PRODUCTION OF ACETYLENE POLYMER 失效
公开(公告)号：JPS60255806A
公开(公告)日：1985-12-17
申请号：JP11077584
申请日：1984-06-01
申请人： HITACHI LTD
发明人： ARAYA KOUTAROU , KOUBI AKIO , TSUNODA ATSUSHI , MORI YASUKI
IPC分类号： C08F4/00 , C08F4/60 , C08F4/64 , C08F4/659 , C08F4/80 , C08F38/00 , C08F138/02
摘要： PURPOSE:To produce a uniaxially orientated acetylene high polymer having electrical and optical anisotropy, by polymerizing acetylene on the free surface of an orientated liquid crystal substance containing a Zoegler-Natta catalyst. CONSTITUTION:A Ziegler-Natta catalyst is added to a liquid crystal substance, e.g., a mixture of 4-(trans-4-propyl-cyclohexyl)ethoxybenzene with 4-(trans-4-n- propylcyclohexyl)-butoxybenzene, so that the resulting mixture may contain 0.001-0.1mol/l of the transition metal compound. This mixture is added dropwise to a substrate having an adherent polymer film subjected to unidirectional rubbing to orientate the liquid crystal substance. Acetylene gas is polymerized by contact with the surface of this liquid crystal substance.

10. 发明专利

JPS60146841A LIQUID CRYSTAL COMPOUND AND LIQUID CRYSTAL DISPLAY DEVICE 失效
公开(公告)号：JPS60146841A
公开(公告)日：1985-08-02
申请号：JP24726983
申请日：1983-12-30
申请人： HITACHI LTD , KANTO KAGAKU
发明人： OKABE YOSHIAKI , KITAMURA TERUO , YOKOKURA HISAO , HATSUTORI SHINTAROU , KOUBI AKIO , FUJII TSUNENORI , YOSHIDA MASAHIRO , SUZUKI KENJI , OOMORI HIDEKI , OOKAWA HISASHI
IPC分类号： C09K19/20 , C07C41/00 , C07C43/205 , C07C67/00 , C09K19/30 , C09K19/42 , G02F1/13
摘要： NEW MATERIAL:A liquid crystal compound of formula I (R and R' are 1-9C alkyl; ring X is benzene ring or cyclohexane ring). USE:Useful as one compounding component in liquid crystal compositions, and capable of enlarging the operation temperature range of liquid crystal display elements and imparting high-speed response. PREPARATION:A compound of formula II is reduced with a reducing agent, e.g. NaBH4, in an organic solvent, e.g. ethanol or pyridine, to give a compound, which is then chlorinated with a chlorinating agent, e.g. SOCl2, in an inert solvent, e.g. benzene, in the presence of pyridine, etc. under heating to afford a compound of formula III, which is reacted with a compound of formula IV to afford the aimed compound of formula I . The compound of formula IV is synthesized by reacting a 1-alkyl-4-phenylcylohexane with acetic anhydride in the presence of anhydrous AlCl2 in an organic solvent, and hydrolyzing the resultant acetylated compound with an alkali.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式