公开(公告)号：US5624601A

公开(公告)日：1997-04-29

申请号：US546254

申请日：1995-10-20

申请人： Takaaki Shimizu ,  Takeshi Kinsho ,  Tsutomu Ogihara ,  Tatsushi Kaneko ,  Mutsuo Nakashima ,  Hideshi Kurihara

发明人： Takaaki Shimizu ,  Takeshi Kinsho ,  Tsutomu Ogihara ,  Tatsushi Kaneko ,  Mutsuo Nakashima ,  Hideshi Kurihara

IPC分类号： C07F7/08 ,  C07F7/12 ,  C09K19/40 ,  C09K19/42 ,  C09K19/34 ,  C09K19/30

CPC分类号： C09K19/406 ,  C07F7/0812 ,  C07F7/0818 ,  C07F7/0896 ,  C07F7/12 ,  C09K19/42

摘要： A silacyclohexane compound of the following formula (I) ##STR1## wherein R represents an organic residue; ##STR2## represents a trans-1-sila-1,4-cyclohexylene group or trans-4-sila-1,4-cyclohexylene group having a substituent of H, F, Cl or CH.sub.3 ; L.sub.1 represents F, L.sub.2 and L.sub.3 independently represent H, F, Cl or CH.sub.3 ; X represents an organic residue, F or Cl; and n is an integer of 0, 1, or 2 and a and b are, respectively, 0 or 1 provided that a+b=1. Silacyclohexane compounds are useful in liquid crystal compositions and also in liquid crystal devices.

摘要翻译： 下式（I）的硅环己烷化合物其中R表示有机残基; 表示具有H，F，Cl或CH 3取代基的反式-1-硅烷-1,4-亚环己基或反式-4-硅烷-1,4-亚环己基; L1表示F，L2和L3独立地表示H，F，Cl或CH3; X表示有机残基F或Cl; 并且n是0,1或2的整数，并且a和b分别为0或1，条件是a + b = 1。 硅环己烷化合物可用于液晶组合物和液晶装置中。

公开(公告)号：US5582765A

公开(公告)日：1996-12-10

申请号：US511276

申请日：1995-08-04

申请人： Takeshi Kinsho ,  Takaaki Shimizu ,  Tsutomu Ogihara ,  Tatsushi Kaneko ,  Mutsuo Nakashima

发明人： Takeshi Kinsho ,  Takaaki Shimizu ,  Tsutomu Ogihara ,  Tatsushi Kaneko ,  Mutsuo Nakashima

IPC分类号： C07F7/08 ,  C07F7/12 ,  C09K19/40 ,  C09K19/34 ,  C09K19/30

CPC分类号： C09K19/406 ,  C07F7/0818 ,  C07F7/0896 ,  C07F7/12

摘要： A triflate compound of the following general formula is provided ##STR1## wherein Ar represents a phenyl group or a tolyl group, R represents a phenyl group, a tolyl group, a linear alkyl group having from 1 to 10 carbon atoms, a mono or difluoroalkyl group having from 1 to 10 carbon atoms, a branched alkyl group having from 3 to 8 carbon atoms, an alkoxyalkyl group having from 2 to 7 carbon atoms and an alkenyl group having from 2 to 8 carbon atoms, Tf represents a trifluoromethanesulfonyl group, and Y represents H or F. A process for preparing silacyclohexane-based liquid crystal compounds from the triflate compound is also described.

摘要翻译： 提供以下通式的三氟甲磺酸酯化合物，其中Ar表示苯基或甲苯基，R表示苯基，甲苯基，具有1至10个碳原子的直链烷基，单或二氟烷基 具有1至10个碳原子的基团，具有3至8个碳原子的支链烷基，具有2至7个碳原子的烷氧基烷基和具有2至8个碳原子的链烯基，Tf表示三氟甲磺酰基， Y表示H或F.还描述了由三氟甲磺酸酯化合物制备硅环己烷基液晶化合物的方法。

公开(公告)号：US5527490A

公开(公告)日：1996-06-18

申请号：US434814

申请日：1995-05-04

申请人： Takeshi Kinsho ,  Takaaki Shimizu ,  Tsutomu Ogihara ,  Tatsushi Kaneko ,  Mutsuo Nakashima

发明人： Takeshi Kinsho ,  Takaaki Shimizu ,  Tsutomu Ogihara ,  Tatsushi Kaneko ,  Mutsuo Nakashima

IPC分类号： C07F7/08 ,  C07F7/10 ,  C07F7/12 ,  C07F7/18 ,  C09K19/40 ,  C09K19/30 ,  G02F1/13

CPC分类号： C09K19/406 ,  C07F7/0818 ,  C07F7/0896

摘要： A silacyclohexane carbaldehyde compound of the following formula (I) ##STR1## wherein Ar represents a phenyl group or a tolyl group, and R represents a phenyl group, a tolyl group, a linear alkyl group, a mono or difluoroalkyl group, a branched alkyl group, an alkoxyalkyl group or an alkenyl group. Processes for preparing a silacyclohexane-based liquid crystal compound of the following formula (II) or (III) from the silacyclohexane carbaldehyde are also described ##STR2## wherein X represents CN, F, Cl, CF.sub.3, CClF.sub.2, CHClF, OCF.sub.3, OCClF.sub.2, OCHF.sub.2, OCHClF, (O).sub.m CT=CX.sub.1 X.sub.2, O(CH.sub.2).sub.r (CF.sub.2).sub.s X.sub.3, R or OR wherein m is a value of 0 or 1, T and X.sub.1 independently represent H, F or Cl, X.sub.2 represents F or Cl, r and s are, respectively, a value of 0, 1 or 2 provided that r+s=2, 3 or 4, X.sub.3 represents H, F or Cl, and R has the same meaning as defined before, Y and Z independently represent a halogen or a methyl group, i and j are independently a value of 0, 1 or 2.

摘要翻译： 下式（I）的硅环己烷甲醛化合物其中Ar表示苯基或甲苯基，R表示苯基，甲苯基，直链烷基，单或二氟烷基， 支链烷基，烷氧基烷基或烯基。 还描述了从硅环己烷甲醛制备下式（II）或（III）的硅杂环己烷系液晶化合物的方法，其中X表示CN，F，Cl， CF 3，CClF 2，CHClF，OCF 3，OCClF 2，OCHF 2，OCHClF，（O）mCT = CX1X2，O（CH2）r（CF2）sX3，R或OR，其中m为0或1，T和X1独立地表示H ，F或Cl，X2表示F或Cl，r和s分别为0,1或2的值，条件是r + s = 2,3或4，X3表示H，F或Cl，并且R具有 与前述相同，Y和Z独立地表示卤素或甲基，i和j独立地为0,1或2的值。

公开(公告)号：US5523439A

公开(公告)日：1996-06-04

申请号：US511816

申请日：1995-08-07

申请人： Tsutomu Ogihara ,  Takaaki Shimizu ,  Takeshi Kinsho ,  Tatsushi Kaneko

发明人： Tsutomu Ogihara ,  Takaaki Shimizu ,  Takeshi Kinsho ,  Tatsushi Kaneko

IPC分类号： C07F7/08 ,  C09K19/40 ,  C07F7/18

CPC分类号： C09K19/406 ,  C07F7/0896

摘要： Processes for selectively preparing silacyclohexane compounds of a trans form from diarylsilacyclohexane compounds of the general formula ##STR1## wherein Ar and Ar' independently represent a phenyl group or a tolyl group, and Q represents a group of the type indicated below ##STR2## The diarylsilacyclohexanes are converted to dihalosilacyclohexanes and then to hydrohalosilacyclohexanes directly or via dialkoxylation and/or reduction step. The hydrohalosilacyclohexane are finally reacted with organometallic compounds having a group, Q', of the type indicated below ##STR3## to obtain silacyclohexane compounds of the general formula ##STR4## wherein Q' and Q have, respectively, the groups indicated hereinabove.

摘要翻译： 从通式“IMAGE”的二芳基硅烷环己烷化合物选择性地制备反式的硅环己烷化合物的方法，其中Ar和Ar'独立地表示苯基或甲苯基，Q表示下述的基团。 二甲基环己烷转化为二卤代环己烷，然后直接转化为氢卤代环己烷，或通过二烷氧基化和/或还原步骤。 最后使氢卤代二环己烷与具有下文所示类型Q'的有机金属化合物反应，得到通式“IMAGE”的硅环己烷化合物，其中Q'和Q分别具有上述基团。

公开(公告)号：US5519156A

公开(公告)日：1996-05-21

申请号：US501524

申请日：1995-07-12

申请人： Takeshi Kinsho ,  Takaaki Shimizu ,  Tsutomu Ogihara ,  Tatsushi Kaneko ,  Mutsuo Nakashima

发明人： Takeshi Kinsho ,  Takaaki Shimizu ,  Tsutomu Ogihara ,  Tatsushi Kaneko ,  Mutsuo Nakashima

IPC分类号： C07F7/08 ,  C09K19/40 ,  C07F7/18

CPC分类号： C09K19/406 ,  C07F7/0818 ,  C07F7/0896

摘要： A cyclohexane carbaldehyde compound of the following formula (I) ##STR1## wherein Ar represents a phenyl group or a tolyl group, and R represents a phenyl group, a tolyl group, a linear alkyl group, a mono or difiuoroalkyl group, a branched alkyl group or an alkoxyalkyl group. Processes for preparing a silacyclohexane-based liquid crystal compound of the following formula (II) or (III) from the cyclohexane carbaldehyde are also described ##STR2## wherein R represents a phenyl group, a tolyl group, a linear alkyl group, a mono or difiuoroalkyl group, a branched alkyl group or an alkoxyalkyl group, X represents R or OR, in which R has the same meaning as defined above, CN, F, C1, Br, CF.sub.3, OCF.sub.3, OCHFCL, OCF.sub.2 Cl, CF.sub.2 Cl, (O).sub.m CY.sub.1 =CX.sub.1 X.sub.2, O(CH.sub.2).sub.r (CF.sub.2).sub.s X.sub.3, wherein m is a value of 0 or 1, Y.sub.1 and X.sub.1 independently represent H, F or Cl, X.sub.2 represents F or Cl, r and s are, respectively, a value of 0, 1 or 2 provided that r+s=2, 3 or 4, and X.sub.3 represents H, F or Cl, Y represents a halogen or a methyl group, Z represents a halogen or CH.sub.3, i is a value of 0, 1 or 2, and j is a value of 0, 1 or 2.

摘要翻译： 下式（I）的环己烷甲醛化合物其中Ar表示苯基或甲苯基，R表示苯基，甲苯基，直链烷基，单或二氟烷基， 支链烷基或烷氧基烷基。 还描述了从环己烷甲醛制备下式（II）或（III）的硅环己烷基液晶化合物的方法，其中苯基，甲苯基，直链烷基，单或二氟烷基，支链 烷基或烷氧基烷基，X表示R或OR，其中R的定义同上，CN，F，C1，Br，CF3，OCF3，OCHFCL，OCF2Cl，CF2Cl，（O）mCY1 = CX1X2，O （CH 2）r（CF 2）s X 3，其中m为0或1，Y1和X1独立地表示H，F或Cl，X2表示F或Cl，r和s分别为0,1或 2，条件是r + s = 2,3或4，X3表示H，F或Cl，Y表示卤素或甲基，Z表示卤素或CH3，i表示0,1或2， j是0，1或2的值。

公开(公告)号：US5454977A

公开(公告)日：1995-10-03

申请号：US267027

申请日：1994-06-21

申请人： Takaaki Shimizu ,  Tsutomu Ogihara ,  Takeshi Kinsho ,  Tatsushi Kaneko ,  Ryuichi Saito ,  Hideshi Kurihara

发明人： Takaaki Shimizu ,  Tsutomu Ogihara ,  Takeshi Kinsho ,  Tatsushi Kaneko ,  Ryuichi Saito ,  Hideshi Kurihara

IPC分类号： C07F7/08 ,  C07F7/12 ,  C09K19/40 ,  C09K19/34 ,  C09K19/30 ,  G02F1/13

CPC分类号： C09K19/406 ,  C07F7/0818 ,  C07F7/0896 ,  C07F7/12

摘要： A silacyclohexane compound represented by the following general formula (I). ##STR1## R denotes hydrogen, a linear-chain alkyl group with a carbon number of 1-10, a branched-chain alkyl group with a carbon number of 3-8, an alkoxyalkyl group with a carbon number of 2-7, or an alkenyl group with a carbon number of 2-8. For ##STR2## at least one of these is trans-1-silacyclohexylene or trans-4-silacyclohexylene group whose silicon at position 1 or position 4 has a substitutional group(s) of H, F, Cl or CH.sub.3, and the other denotes trans-1,4-cyclohexylene group. X denotes a CN, F, Cl, CF.sub.3, CF.sub.2 Cl, CHFCl, OCF.sub.3, OCHF.sub.2, OCF.sub.2 Cl, OCHFCl, R or OR group.

摘要翻译： 由以下通式（I）表示的硅环己烷化合物。 （I）R表示氢，碳数为1-10的直链烷基，碳数为3-8的支链烷基，碳数为2的烷氧基烷基， 7，或碳数为2-8的烯基。 对于和，其中至少一个是其中位置1或位置4的硅具有H，F，Cl或CH 3的取代基的反式-1-硅杂环己烯或反式-4-硅杂环己烯基， 另一个表示反式-1,4-亚环己基。 X表示CN，F，Cl，CF 3，CF 2 Cl，CHFCl，OCF 3，OCHF 2，OCF 2 Cl，OCHFCl，R或OR基团。

公开(公告)号：US5302556A

公开(公告)日：1994-04-12

申请号：US862799

申请日：1992-04-03

申请人： Takaaki Shimizu ,  Masatoshi Takita

发明人： Takaaki Shimizu ,  Masatoshi Takita

IPC分类号： C03B8/02 ,  C03B19/06 ,  C03B19/10 ,  C03B19/12 ,  C03C1/00 ,  C03C3/06

CPC分类号： C03C3/06 ,  C03B19/06 ,  C03B19/066 ,  C03B19/1065 ,  C03B19/12 ,  C03B20/00 ,  C03C1/006 ,  C03B2201/03 ,  C03B2201/04 ,  C03B2201/07 ,  C03B2201/23 ,  C03C2201/23 ,  C03C2203/26 ,  Y10S65/90 ,  Y10T428/131 ,  Y10T428/1314

摘要： A synthetic silica glass article made by hydrolyzing an alkoxysilane and thermally sintering the resulting silica; this synthetic silica glass article has a viscosity of not lower than 10.sup.10 poise at 1400.degree. C., and contains, as metallic impurities, less than 1 ppm of Al, less than 0.2 ppm of Fe, less than 0.2 ppm of Na, less than 0.2 ppm of K, less than 0.01 ppm of Li, less than 0.2 ppm of Ca, less than 0.02 ppm of Ti, less than 0.01 ppm of B, less than 0.01 ppm of P, less than 0.01 ppm of As.

摘要翻译： 一种通过水解烷氧基硅烷并热烧结所得二氧化硅制成的合成二氧化硅玻璃制品; 该合成石英玻璃制品在1400℃下的粘度不低于1010泊，并且作为金属杂质含有少于1ppm的Al，小于0.2ppm的Fe，小于0.2ppm的Na，小于 0.2ppm的K，小于0.01ppm的Li，小于0.2ppm的Ca，小于0.02ppm的Ti，小于0.01ppm的B，小于0.01ppm的P，小于0.01ppm的As。

公开(公告)号：US5149748A

公开(公告)日：1992-09-22

申请号：US450822

申请日：1989-12-14

申请人： Takaaki Shimizu ,  Toshihiro Okon ,  Toshio Ohba ,  Yoshinori Inokuchi

发明人： Takaaki Shimizu ,  Toshihiro Okon ,  Toshio Ohba ,  Yoshinori Inokuchi

IPC分类号： C08G77/06 ,  C08J3/12

CPC分类号： C08J3/12 ,  C08G77/06 ,  C08J2383/04 ,  Y10T428/2998 ,  Y10T428/31663

摘要： The surface-modified polymethylsilsesquioxane spherical fine particles of this invention comprise polymethylsilsesquioxane spherical fine particles serving as nuclei, and at least one member of an alkyl group having two or more carbon atoms, an alkenyl group, a phenyl group, an epoxy group, an acryloxy group and an amino group is bonded to the surface of a particle. They are prepared by a process comprising the step of carrying out reaction in an aqueous suspension of polymethylsilsesquioxane fine particles in the presence of an alkali catalyst. The surface-modified spherical fine particles can have various organic groups on their surfaces, and are used in various fields such as rubbers, plastics, coating materials, inks, and cosmetics, depending on the types of the organic groups.

公开(公告)号：US5021073A

公开(公告)日：1991-06-04

申请号：US576224

申请日：1990-08-31

申请人： Masatoshi Takita ,  Takaaki Shimizu

发明人： Masatoshi Takita ,  Takaaki Shimizu

IPC分类号： C03B8/02 ,  C03B19/12 ,  C03B20/00 ,  C03C3/06

CPC分类号： C03B19/12 ,  C03C3/06 ,  C03C2201/02 ,  C03C2203/26 ,  C03C2203/32 ,  Y02P40/57 ,  Y10S65/901

摘要： A method for manufacturing synthetic silica glass by reacting methyl silicate and aqueous ammonia, dispersing the silica particles produced in water, solidifying the silica by the addition of methyl silicate and heating, dehydrating, de-solventing, decarburizing and sintering the solid silica to produce a glass product. The sintered glass may be pulverized to produce a powder. The inventive method is easily carried out and avoids the high energy costs of the prior art. The glass product obtained exhibits excellent high temperature viscosity.

公开(公告)号：US4842837A

公开(公告)日：1989-06-27

申请号：US98301

申请日：1987-09-18

申请人： Takaaki Shimizu ,  Toshihiro Okon

发明人： Takaaki Shimizu ,  Toshihiro Okon

IPC分类号： B24B37/00 ,  B82Y30/00 ,  B82Y99/00 ,  C01B33/141 ,  C01B33/145 ,  C01B33/18 ,  C08G77/06 ,  C09K3/14

CPC分类号： B82Y30/00 ,  C01B33/141 ,  C01B33/145 ,  C01B33/181 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/64 ,  C01P2006/80

摘要： A process for producing fine spherical silica, comprising a step of hydrolyzing an alkoxysilane in a mixed solution comprising water and alcohol and containing an alkaline catalyst, wherein the amount of said alkaline catalyst is 0.5 to 10 in molar ratio to the alkoxysilane used, the concentration of water in said mixed solution of water and alcohol in 5 to 20 mol/lit., and the reaction temperature for said hydrolysis is 30.degree. C. or more.According to this process, there can be obtained highly monodisperse spherical silica containing only a very small amount of impurities and having a particle size of 100 nm or less.

摘要翻译： 一种球形二氧化硅微球的制造方法，其特征在于，在水和醇的混合溶液中水解含有碱性催化剂的烷氧基硅烷的工序，其中所述碱性催化剂的摩尔比为0.5〜10，所用烷氧基硅烷的浓度为 的水和醇的混合溶液中的水分数为5〜20mol / l，所述水解的反应温度为30℃以上。 根据该方法，可以获得仅含有非常少量的杂质且粒径为100nm以下的高分子单分散球状二氧化硅。