Polyphenyl-based ester compounds and liquid crystal compositions
containing same
    1.
    发明授权
    Polyphenyl-based ester compounds and liquid crystal compositions containing same 失效
    聚苯基酯化合物和含有它们的液晶组合物

    公开(公告)号:US4728458A

    公开(公告)日:1988-03-01

    申请号:US827449

    申请日:1986-02-10

    CPC分类号: C09K19/2021 C09K19/126

    摘要: Polyphenyl-based liquid crystal compounds represented by the following general formula (1) and liquid crystal composition containing the same: ##STR1## wherein R.sup.1 represents a straight or branched C.sub.1-18 alkyl group, haloalkyl group, aralkyl group or haloaralkyl group with or without optically active carbon, R.sup.2 represents a straight or branched C.sub.1-6 alkyl group, haloalkyl group or aralkyl group with or without optically active carbon, W represents (1) --OCO-- or --COO--, in which case T represents a halogen atom or a methyl group, or (2) a single bond, --O-- or --OCOO--, in which case T represents a halogen atom, X represents --OCO--, --COO--, --C.tbd.C--, --CH.dbd.N--, --N.dbd.CH, Y represents single bond, --O--, --COO--, --OCO--, --CH.sub.2 --, --OCH.sub.2 --, --COOCH.sub.2 -- or --OCOCH.sub.2 --, Z.sub.1 and Z.sub.2 represent a hydrogen or halogen atom, a cyano group or nitro group, Z.sub.1 may be the same or different from Z.sub.2, l and m are one or more than one each and a total of l and m is three or more than three, the carbon atom marked with * is an asymmetric carbon atom.

    摘要翻译: 由以下通式(1)表示的聚苯基液晶化合物和含有它们的液晶组合物:其中R 1表示直链或支链C 1-18烷基,卤代烷基,芳烷基或卤代烷基 具有或不具有光学活性碳,R 2表示具有或不具有光学活性碳的直链或支链C 1-6烷基,卤代烷基或芳烷基,W表示(1)-OCO-或-COO-,在这种情况下,T表示 卤素原子或甲基,或(2)单键,-O-或-OCOO-,在这种情况下,T表示卤素原子,X表示-OCO - , - COO - , - C 3BOND C - , - CH = N,-N = CH,Y表示单键,-O - , - COO - , - OCO - , - CH 2 - , - OCH 2 - , - COCH 2 CH 2 - 或-OCOCH 2 - ,Z 1和Z 2表示氢或卤素 原子,氰基或硝基,Z1可以相同或不同于Z2,l和m分别为1或多于1个,并且总共1和m为3或大于3,用*表示的碳原子是 一个asy 毫米碳原子。

    Optically active compound and liquid crystalline composition
    4.
    发明授权
    Optically active compound and liquid crystalline composition 失效
    光学活性化合物和液晶组合物

    公开(公告)号:US4880561A

    公开(公告)日:1989-11-14

    申请号:US38897

    申请日:1987-04-16

    摘要: Disclosed is an optically active cyclopropane compound represented by the formula (1): ##STR1## wherein R is an alkyl or cycloalkyl group, n is 0 or 1, Y.sup.4 is --CO.sub.2 CH.sub.2 --, --OCO-- or --OCH.sub.2 --, Y.sup.1, Y.sup.2 and Y.sup.3 independently represent --CO.sub.2 --, --OCO--, --O--, a direct bond or --CH.sub.2 O--, Z.sup.1, Z.sup.2, and Z.sup.3 independently represent ##STR2## A.sup.1, A.sup.2 and A.sup.3 independently represent fluorine, bromine, chlorine, a cyano group or hydrogen, and the mark ##STR3## indicates an asymmetric carbon atom. The optically active cyclopropane compound includes a compound which exhibits a ferroelectric liquid crystalline characteristic, and a compound which does not exhibit a ferroelectric liquid characteristic when used alone, but, can be used as a constituent of a ferroelectric liquid crystal composition.

    摘要翻译: 公开了由式(1)表示的光学活性环丙烷化合物:其中R是烷基或环烷基,n是0或1,Y 4是-CO 2 CH 2 - , - OCO-或-OCH 2 - Y1,Y2和Y3独立地表示-COO2-,-OCO-,-O-,直接键或-CH2O-,Z1,Z2和Z3独立地表示A1,A2和A3独立地表示氟,溴,氯 ,氰基或氢,标记“IMAGE”表示不对称碳原子。 光学活性环丙烷化合物包括具有铁电液晶特性的化合物和单独使用时不显示铁电性液体特性的化合物,但可以用作铁电液晶组合物的组分。

    Titanium oxide raw material for welding material
    6.
    发明授权
    Titanium oxide raw material for welding material 有权
    用于焊接材料的氧化钛原料

    公开(公告)号:US09527168B2

    公开(公告)日:2016-12-27

    申请号:US13990302

    申请日:2012-01-25

    摘要: A titanium oxide raw material for a welding material, which can achieve the improvement in a bead shape and high-speed welding. The titanium oxide raw material has the form of particles and has a composition containing 58.0 to 99.0 mass % of TiO2, 2.5 mass % or less of Si, 3.0 mass % or less of Al, 5.0 mass % or less of Mn, 35.0 mass % or less of Fe, 5.0 mass % or less of Mg and 2.0 mass % or less of Ca, wherein the surface of each of the particles is coated with an oxide and/or a composite oxide of at least one element selected from Ti, Fe, Mn, Al and Si and the atom percentages of Ti, Fe, Mn, Al, Si and O in the oxide and/or the composite oxide fulfill the following three formulae. 1=Al+Si=10, 1

    摘要翻译: 用于焊接材料的氧化钛原料,其可以实现焊道形状的改善和高速焊接。 氧化钛原料为颗粒形式,其组成为:TiO 2为58.0〜99.0质量%,Si为2.5质量%以下,Al为3.0质量%以下,Mn为5.0质量%以下,Mn为35.0质量% Fe的含量以下,Fe:5.0质量%以下,Ca:2.0质量%以下,其中,每个颗粒的表面涂覆有选自Ti, Fe,Mn,Al和Si,氧化物和/或复合氧化物中Ti,Fe,Mn,Al,Si和O的原子百分比满足以下三个公式。 1 = Al + Si = 10,1 Ti /(Fe + Mn)= 100,O /(Fe + Mn)= 100

    TITANIUM OXIDE RAW MATERIAL FOR WELDING MATERIAL
    7.
    发明申请
    TITANIUM OXIDE RAW MATERIAL FOR WELDING MATERIAL 有权
    氧化钛原料用于焊接材料

    公开(公告)号:US20130248049A1

    公开(公告)日:2013-09-26

    申请号:US13990302

    申请日:2012-01-25

    IPC分类号: B23K35/362

    摘要: A titanium oxide raw material for a welding material, which can achieve the improvement in a bead shape and high-speed welding. The titanium oxide raw material has the form of particles and has a composition containing 58.0 to 99.0 mass % of TiO2, 2.5 mass % or less of Si, 3.0 mass % or less of Al, 5.0 mass % or less of Mn, 35.0 mass % or less of Fe, 5.0 mass % or less of Mg and 2.0 mass % or less of Ca, wherein the surface of each of the particles is coated with an oxide and/or a composite oxide of at least one element selected from Ti, Fe, Mn, Al and Si and the atom percentages of Ti, Fe, Mn, Al, Si and O in the oxide and/or the composite oxide fulfill the following three formulae. 1=Al+Si=10, 1

    摘要翻译: 用于焊接材料的氧化钛原料,其可以实现焊道形状的改善和高速焊接。 氧化钛原料具有粒子的形态,其组成为:TiO 2为58.0〜99.0质量%,Si为2.5质量%以下,Al为3.0质量%以下,Mn为5.0质量%以下,Mn为35.0质量% 或更少的Fe,5.0质量%以下的Mg和2.0质量%以下的Ca,其中,每个颗粒的表面涂覆有氧化物和/或选自Ti,Fe中的至少一种元素的复合氧化物 ,Mn,Al和Si以及氧化物和/或复合氧化物中的Ti,Fe,Mn,Al,Si和O的原子百分比满足以下三个式。 1 = Al + Si = 10,1 Ti /(Fe + Mn)= 100,O /(Fe + Mn)= 100。