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公开(公告)号：US4363767A
公开(公告)日：1982-12-14
申请号：US202958
申请日：1980-10-03
IPC分类号： C07C255/34 , C09K19/00 , C09K19/08 , C09K19/34 , C09K19/42 , C07C121/70 , C09K3/34
CPC分类号： C07C255/00 , C09K19/42
摘要： The invention relates to liquid-crystalline nematic mixtures which are used in electro-optical components, as well as to methods for their preparation.The object of the invention is liquid-crystalline mixtures for electro-optical arrangements possessing high positive electrical anisotropy at a high clarification point, as well as methods for their preparation.According to the invention, liquid-crystalline nematic mixtures are used, wherein at least one component is a 1,4-disubstituted benzene derivative and the other compound is an ester of 4-[2,2-dicyano-ethenyl]-phenol of the general formula ##STR1## wherein R.sup.1 denotes added groups of various characters such as alkyl or alkoxy for example, X is aromatic, cycloaliphatic or a heterocyclic ring system such as phenyl or cyclohexyl for example; and Y is a connector such as carbonyloxy, azomethine, azoxy.These are prepared by reaction with reactive acid derivatives, particularly acid chlorides, or by a Knoevenagel-condensation by reacting respective 4-subst.-benzoic acid-[4-formyl-phenyl esters] or 4-alkyl-cyclohexanecarboxylic acid-[4-formyl-phenyl esters] with malonic acid dinitrile.
摘要翻译： 本发明涉及用于电光元件的液晶向列混合物及其制备方法。 本发明的目的是在高澄清点具有高正电各向异性的电光装置的液晶混合物及其制备方法。 根据本发明，使用液晶向列混合物，其中至少一种组分是1,4-二取代的苯衍生物，而另一种化合物是4- [2,2-二氰基 - 乙烯基] - 苯酚的酯 其中R1表示各种特征的加成基团，例如烷基或烷氧基，例如X是芳族的，脂环族的或杂环系统，例如苯基或环己基; 并且Y是诸如羰基氧基，偶氮甲碱基，偶氮氧基之类的连接体。 这些通过与各种4-取代苯甲酸 - [4-甲酰基 - 苯基酯]或4-烷基 - 环己烷甲酸 - [4-甲氧基苯基]酯反应而与反应性酸衍生物，特别是酰氯反应或通过Knoevenagel缩合反应制备， 甲酰基 - 苯基酯]与丙二酸二腈。
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2.发明授权Crystalline-liquid substituted 1,3-dioxanes and mixtures containing them 失效结晶液体取代的1,3-二氧杂环己烷和含有它们的混合物
公开(公告)号：US4344856A
公开(公告)日：1982-08-17
申请号：US110857
申请日：1980-01-10
IPC分类号： C09K19/34 , C09K19/54 , C09K3/34 , C07D319/04 , G02F1/13
CPC分类号： C09K19/3402 , C09K19/54 , C09K2019/3422
摘要： The invention concerns crystalline liquid substituted 1,3-dioxanes and compositions containing the same for use in electro-optical components, characterized by at least one compound of the general formula: ##STR1## R.sup.3 =C.sub.n H.sub.2n+1 ; C.sub.n H.sub.2n+1 O, Cl, Br, CN, NO.sub.2, and where R.sup.4 =C.sub.n H.sub.2n+1 and n=1 to 10.
摘要翻译： 本发明涉及结晶液体取代的1,3-二恶烷及其用于电光部件的组合物，其特征在于至少一种以下通式的化合物：
CnH2n + 1（CH3）N，CN，NO2，F，Cl，Br，NCCHCH，图像R2 = CnH2n + 1; OH，CN，OR4，OCOR4，OCOOR4，图像，R3 = CnH2n + 1; CnH2n + 10，Cl，Br，CN，NO2，其中R4 = CnH2n + 1，n = 1〜10。 -
公开(公告)号：US4565881A
公开(公告)日：1986-01-21
申请号：US405677
申请日：1982-08-06
IPC分类号： C09K19/34 , C07D319/06
CPC分类号： C09K19/3402 , C09K2019/3422
摘要： Liquid crystal substituted 1,3-dioxanes and mixtures containing the same.The invention relates to liquid crystal substituted 1,3-dioxanes and substances containing the same, for electro-optical arrays for the modulation of incident or transmitted light as well as for the reproduction of figures, symbols and images.The object of the invention is nematic liquid-crystal substances with favorable properties with respect to melting and clear points, stability toward thermal stress, effect of light, chemicals and electric fields as well as loss of color and processes for their production.The object is accomplished by the creation of new nematic liquid-crystal substances.According to the invention, liquid crystal 2,5-disubstituted derivatives of 1,3-dioxane of the general formula ##STR1## are proposed, wherein ##STR2## The new substances may be used in mixtures containing at least one of the substances according to the invention.
摘要翻译： 液晶取代1,3-二恶烷及含有它们的混合物。 本发明涉及液晶取代的1,3-二恶烷及其含有物质的物质，用于调制入射或透射光的电光阵列，以及图形，符号和图像的再现。 本发明的目的是在熔融和清除点方面具有良好的性能，对热应力的稳定性，光，化学品和电场的作用以及颜色的丧失和它们的生产方法的向列型液晶物质。 该目的是通过创建新的向列液晶物质来实现的。 根据本发明，提出了具有通式“IMAGE”的1,3-二恶烷的液晶2,5-二取代衍生物，其中
+ TR R2 = OR4，CnH2n + 1，R3 = Br，CN，CnH2n + 1和R4 = CnH2n + 1，其中n = 1至10.新物质可用于含有至少一种根据 发明。 -
4.发明授权
公开(公告)号：US4348324A
公开(公告)日：1982-09-07
申请号：US102944
申请日：1979-12-12
IPC分类号： C09K19/34 , C09K3/34 , C07D319/04 , C07D319/06
CPC分类号： C09K19/3402 , C09K2019/3422
摘要： Liquid crystal substituted 1,3 dioxanes and mixtures containing the same.The invention relates to liquid crystalline substituted 1,3 dioxanes and substances containing the same, for electrooptical arrays for the modulation of incident or transmitted light as well as for the reproduction of figures, symbols and images.The objects of the invention are nematic crystal liquid substances with favorable properties with respect to melting and clear points; stability toward thermal stress, effect of light, chemicals and electric fields as well as loss of color; and processes for their production.The task is solved by the creation of new nematic liquid-crystal substances.As per invention, liquid crysalline 2,5-disubstituted derivatives of 1,3-dioxane of the general formula: ##STR1## are proposed, wherein: ##STR2## The new substances are used in mixtures containing at least one of the substances according to the invention.
摘要翻译： 液晶取代1,3-二恶烷及含有它们的混合物。 本发明涉及液晶取代的1,3-二恶烷及其含有物质的物质，用于调制入射或透射光的电光阵列以及图形，符号和图像的再现。 本发明的目的是相对于熔点和澄清点具有良好性能的向列型液晶物质; 对热应力的稳定性，光的影响，化学品和电场以及颜色的丧失; 和生产过程。 通过创建新的向列液晶物质来解决这个任务。 根据本发明，提出了通式为：IMAGE的1,3-二恶烷的液体crysalline 2,5-二取代衍生物，其中：＆lt; IMAGE＆gt;＆lt; IMAGE＆gt; CnH2n + 1（ CH 3）N，CN，NO 2，F，Cl，Br，NCCHCH，+ TR NCCH 2 CH 2，NCCH 2 R 2 = C n H 2n + 1; 哦; CN; OR4; OCOR4; OCOOR 4; + TR
R3 = CnH2n + 1，CnH2n + 10，Cl，Br，CN，NO2，R4 = CnH2n + 1和n = 1至10.新物质用于含有至少一种物质的混合物 涉及本发明。 -
5.发明授权
公开(公告)号：US4961876A
公开(公告)日：1990-10-09
申请号：US245962
申请日：1988-09-15
申请人： Dietrich Demus , Horst Zaschke , Wolfgang Weissflog , Kristina Mohr , Saskia Kohler , Kerstin Worm
发明人： Dietrich Demus , Horst Zaschke , Wolfgang Weissflog , Kristina Mohr , Saskia Kohler , Kerstin Worm
IPC分类号： C07D319/06 , C07C67/00 , C07C69/63 , C07C69/773 , C07C69/90 , C07C69/92 , C07C69/94 , C07C227/00 , C07C227/16 , C07C229/52 , C07C241/00 , C07C245/04 , C07C245/06 , C07C253/00 , C07C255/50 , C07C255/57 , C07C291/04 , C07C291/08 , C07C313/00 , C07C323/17 , C07C323/19 , C07C323/20 , C07C323/48 , C07D239/26 , C07D285/12 , C07D339/08 , C09K19/10 , C09K19/20 , C09K19/22 , C09K19/26 , C09K19/30 , C09K19/34 , G02F1/13
CPC分类号： C07D239/26 , C09K19/2021 , C09K19/3001 , C09K19/3402 , C09K19/3444 , C09K19/3463 , C09K19/3472 , C09K19/3483 , C09K19/3491 , C09K19/3497 , C09K2019/3422
摘要： Liquid crystalline ferroelectric derivatives of branched acyclic alpha-chlorocarboxylic acids of the general formula I ##STR1## wherein n=0 or 1; m=0 or 1, o=0 or 1; p=0 or 1X=--COO--, --OOC--, or --CH.sub.2 --CH.sub.2 --Y=X, --CH.sub.2 --, --N.dbd.N--, or --N.dbd.N(O)--, ##STR2## It was discovered that, by reacting chiral alpha-chlorocarboxylic acids or alpha-chlorocarboxylic acid chlorides or bromides, synthesized from natural alpha-amino acids by reaction with nitric and hydrochloric acids, with appropriate hydroxy compounds directly or in the presence of strongly dehydrating substances, preferably carbodiimides, liquid crystalline ferroelectric substances of the general formula I are formed.The inventive substances by themselves, in mixtures with one another as well as with other liquid crystalline substances or substances which are not liquid crystalline, can form liquid crystalline ferroelectric phases, which make them suitable for use in displays.
摘要翻译： 具有通式I的支链非环状α-氯羧酸的液晶铁电衍生物，其中n = 0或1; m = 0或1，o = 0或1; p = 0或1 X = -COO - ， - OOC-或-CH 2 -CH 2 - Y = X，-CH 2 - ， - N = N-或-N = N（O） - ，
R1 =（CH3）2CH，（CH3）2CHCH2或C2H5CH（CH3）R2 = ClH2l + 1，OClH2l + 1，SClH2l + 1，COClH2l + 1， + TROCOC1H1 + 1，COOClH2I + 1或NHClH2I + 11 = 1-12。 已经发现，通过与天然α-氨基酸反应的手性α-氯代羧酸或α-氯代羧酸酰氯或溴化物，通过与硝酸和盐酸反应，直接或在强脱水物质存在下与适当的羟基化合物反应， 优选碳二亚胺，形成通式I的液晶铁电物质。 本发明的物质本身以彼此的混合物以及其它液晶物质或不是液晶的物质可以形成液晶铁电相，这使得它们适用于显示器。 -
公开(公告)号：US4099856A
公开(公告)日：1978-07-11
申请号：US381324
申请日：1973-07-20
IPC分类号： C07C69/78 , C07C69/773 , C09K19/20 , C09K3/34 , G02F1/13
CPC分类号： C09K19/2007
摘要： As the liquid crystal substance in electro-optical devices or as the stationary phase in gas chromatography is employed a compound of the formula ##STR1## in which R.sub.1 and R.sub.2 each is C.sub.n H.sub.2n+1 --, C.sub.n H.sub.2n+1 O--, C.sub.n H.sub.2n+1 COO-- or C.sub.n H.sub.2n+1 OCOO--, n being an integer of from 1 to 10, and R.sub.3 is Cl--, Br--, CH.sub.3 --, C.sub.2 H.sub.5 --, CH.sub.3 CO-- or CH.sub.3 OOC--.
摘要翻译： 由于电光装置中的液晶物质或气相色谱法中的固定相采用式（Ⅰa）的化合物，其中R 1和R 2各自为C n H 2n + 1，C n H 2n + 1 O - ，C n H 2n + 1 COO-或 C n H 2n + 1 COOO-，n为1〜10的整数，R 3为Cl - ，Br - ，CH 3 - ，C 2 H 5 - ，CH 3 CO-或CH 3 OOC-。
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公开(公告)号：US4519936A
公开(公告)日：1985-05-28
申请号：US400170
申请日：1982-07-20
申请人： Dietrich Demus , Wolfgang Weissflog , Horst Kresse
发明人： Dietrich Demus , Wolfgang Weissflog , Horst Kresse
CPC分类号： C09K19/3068 , C09K19/2007 , G02F1/1392
摘要： The invention relates to nematic liquid crystals in electro-optical components for the modulation of light as well as for the representation of numerals, signs and images and to a method for producing the same.It is the object of the invention to create nematic liquid crystals which are well suited for electro-optical devices, preferably for two-frequency operation.It has been found that pure or mixed 2-n-alkyl-1, 4-bis-[4-acyloxy]-benzenes of the general formula ##STR1## wherein R.sup.3 =n-C.sub.m H.sub.2m+1, with m=3 to 14, are well suited for utilization in electro-optical components.It was found that 2-n-alkyl-1,4-bis-[acyloxy]-benzene which is well suited for electro-optical components, and especially for two-frequency operations, can be produced by the conversion of a correspondingly substituted benzoic acid or cyclohexane carboxylic acid or a reaction-capable derivative thereof with the corresponding 2-n-alkylhydroquinone--also in the form of its phenylate--at a temperature ranging from 0.degree. C. to 250.degree. C., possibly in the presence of an inert solvent.
摘要翻译： 本发明涉及用于调制光的电光部件中的向列型液晶以及数字，符号和图像的表示及其制造方法。 本发明的目的是产生非常适合电光装置的向列液晶，优选用于双频操作。 已经发现，具有通式“IMAGE”的纯或混合的2-正 - 烷基-1,4-双[4-酰氧基] - 苯，其中R 3 = n-Cm H 2m + 1，m = 3至14， 非常适用于电光元件。 已经发现，非常适合于电光学部件，特别是用于双频操作的2-正烷基-1,4-双 - [酰氧基] - 苯可以通过相应地取代的苯甲酸 酸或环己烷羧酸或其反应能力的衍生物与相应的2-正烷基氢醌 - 也以其苯基酯的形式 - 在0℃至250℃的温度范围内，可能在 惰性溶剂。
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公开(公告)号：US4874544A
公开(公告)日：1989-10-17
申请号：US151731
申请日：1988-02-03
申请人： Bak G. Yong , Barth Petra , Demus Dietrich , Joachimi Detlev , Barbara Kampa , Saskia Kohler , Kristine Mohr , Reinhard Paschke , Gerhard Pelzl , Ulrich Rosenfeld , Wolfgang Schafer , Klaus-Dieter Scherf , Carsten Tschirske , Wolfgang Weissflog , Horst Zaschke
发明人： Bak G. Yong , Barth Petra , Demus Dietrich , Joachimi Detlev , Barbara Kampa , Saskia Kohler , Kristine Mohr , Reinhard Paschke , Gerhard Pelzl , Ulrich Rosenfeld , Wolfgang Schafer , Klaus-Dieter Scherf , Carsten Tschirske , Wolfgang Weissflog , Horst Zaschke
IPC分类号： C07D253/06 , C07C67/00 , C07C69/63 , C07C69/65 , C07C69/773 , C07C69/90 , C07C69/92 , C07C69/94 , C07C201/00 , C07C241/00 , C07C245/06 , C07C253/00 , C07C255/52 , C07C255/54 , C07C255/65 , C07C291/08 , C07D213/30 , C07D213/65 , C07D213/80 , C07D239/26 , C07D249/18 , C07D257/08 , C07D271/10 , C07D277/32 , C07D277/36 , C07D285/12 , C07D295/08 , C07D319/06 , C07D327/06 , C07D339/08 , C09K19/12 , C09K19/20 , C09K19/34 , C09K19/46 , G02F1/13
CPC分类号： C07D239/26 , C07D249/18 , C07D277/36 , C07D285/12 , C09K19/12 , C09K19/2007 , C09K19/3441
摘要： Fast-switching displays with memory properties are provided, which can display digits, symbols, and images, and which contain as chemically and thermally stable ferroelectric liquid crystalline substances, according to the invention, liquid crystalline derivatives which contain a chiral alkyl halide residue corresponding to the general formula ##STR1## are used in mixtures of one another as well as in conjunction with other liquid crystalline or non-crystalline liquid substances.
摘要翻译： 提供具有存储器特性的快速切换显示器，其可以显示数字，符号和图像，并且其包含作为化学和热稳定的铁电液晶物质，根据本发明，液晶衍生物含有对应于 通式
I 以彼此的混合物以及与其它液晶或非结晶液体物质结合使用。 -
9.发明授权Preparation of recyclate polyols, and the use thereof in the preparation of polyurethanes 失效回收多元醇的制备及其在制备聚氨酯中的用途
公开(公告)号：US5357006A
公开(公告)日：1994-10-18
申请号：US132854
申请日：1993-10-07
CPC分类号： C08J11/22 , C08G18/40 , C08G18/831 , C08J2375/04 , Y02W30/706
摘要： A process for the preparation of recyclate polyols obtained by glycolysis of polyurethanes and/or polyurea-polyurethanes comprises metering in monofunctional and/or difunctional glycidyl ethers over the entire course of the reaction; the low-amine recyclate polyols obtained in this way are used for the preparation of cellular or noncellular polyurethanes.
摘要翻译： 通过聚氨酯和/或聚脲 - 聚氨酯的糖酵解获得的制备再循环多元醇的方法包括在整个反应过程中计量单官能和/或双官能缩水甘油醚; 以这种方式获得的低胺回收多元醇用于制备细胞或非细胞聚氨酯。
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