公开(公告)号：US06277451B1

公开(公告)日：2001-08-21

申请号：US09125592

申请日：1998-08-21

申请人： Georg H Mehl ,  John W Goodby

发明人： Georg H Mehl ,  John W Goodby

IPC分类号： C09K1934

CPC分类号： C09K19/408 ,  C07F7/0838 ,  C07F7/21 ,  C09K19/42 ,  C09K19/44 ,  Y10T428/10

摘要： Materials of formula (I): [G]g(SiO1/2)x are described where G is R3SiR1R2(O)k; R1, R2, R3 are independently a C1-16 alkyl which may be partly or fully halogenated, H and formula (IA), wherein Y is selected from COO, OCO, O, S, CHOH, CHF, CH2; Q=(CH2)n where one or more non-adjacent methylenes may be replaced by O and n=1=20; Z is O, S, a single covalent bond, COO, OCO; when Y is CH2, then n may also be 0; (a) represents any mesogenic group; provided that at least one of R1, R2, R3, is selected from formula (IA): k=0 or 1; g=4 or 6 or 8 or 10 or 12; 1=3 or 8 provided that: if k=1, 1=3 and x is selected form 6, 8, 10, 12 then g=x; if k=0, 1=8 and g=4 then x=1; and further provided that G may have up to g different structures for any single compound. Pyroelectric and piezoelectric devices, liquid crystal electro-optical display devices and optical recording media containing the adsorbed liquid crystals mixed with other liquid crystal materials are described.

摘要翻译： 描述了式（I）的材料：[G] g（SiO1 / 2）x，其中G是R3SiR1R2（O）k; R 1，R 2，R 3独立地是可部分或完全卤化的C 1-6烷基，H和式（IA），其中Y选自COO，OCO，O，S，CHOH，CHF，CH 2; Q =（CH 2）n，其中一个或多个不相邻的亚甲基可以被O替代并且n = 1 = 20; Z是O，S，单一共价键，COO，OCO; 当Y是CH2时，n也可以是0;（a）代表任何介晶基团; 条件是R1，R2，R3中的至少一个选自式（IA）：k = 0或1; g = 4或6或8或10或12; 1 = 3或8，条件是：如果k = 1,1，并且x选自6,8,10,12，则g = x; 如果k = 0，1 = 8，g = 4则x = 1; 并且进一步提供，对于任何单一化合物，G可以具有至多g个不同的结构。 描述了热电和压电装置，液晶电光显示装置和含有与其它液晶材料混合的吸附液晶的光记录介质。

公开(公告)号：US6051639A

公开(公告)日：2000-04-18

申请号：US125718

申请日：1998-08-25

申请人： Georg H Mehl ,  John W Goodby ,  Rachel P Tuffin ,  Kenneth J Toyne

发明人： Georg H Mehl ,  John W Goodby ,  Rachel P Tuffin ,  Kenneth J Toyne

IPC分类号： C08G77/38 ,  C09K19/40 ,  C08K5/16

CPC分类号： C09K19/406 ,  C08G77/38 ,  C09K19/408

摘要： A material of general formula I: ##STR1## where E=0 indicates a non-cyclic system, and E=1 indicates a cyclic system;G is R.sub.3 SiR.sub.1 R.sub.2 (O).sub.kR.sub.1, R.sub.2, R.sub.3 are independently selected from C.sub.1-16 alkyl which may be partly or fully halogenated, H and formula IA: ##STR2## wherein Y is a propylene group which may be partially halogenated with fluorine or chlorine and Y.sub.1 is independently selected from COO, OCO, O, S, CHOH, CHF, CO or CH.sub.2 ;Q and Q.sub.1 are independently selected from (CH.sub.2).sub.n wherein one or more non-adjacent methylenes may be replaced by O andn=0-20;Z and Z.sub.1 are independently selected from O, S, single covalent bond, COO or OCO; ##STR3## represents a mesogenic group and is given by the general structure II ##STR4## A, B, D are selected from the following rings: ##STR5## the above rings may be substituted with one or more of the following substituents in at least one of the available substitution positions: F, Cl, Br, CH.sub.3, CN, OR, R or NCS where R is a C.sub.1-5 branched or straight chain alkyl provided that the total number of rings present is not greater than 4; and W.sub.1 and W.sub.2 are independently COO, OCO, single bond, CH.sub.2 CH.sub.2, CH.sub.2 O, OCH.sub.2, O, S, CH.dbd.CH, C.tbd.C, or N.dbd.N.

摘要翻译： PCT No.PCT / GB97 / 00744 Sec。 371日期：1998年8月25日 102（e）日期1998年8月25日PCT 1997年3月19日PCT公布。 公开号WO97 / 36947 日期1997年10月9日通式I的材料：其中E = 0表示非循环体系，E = 1表示循环体系; G是R 3 SiR 1 R 2（O）k R 1，R 2，R 3独立地选自可以部分或完全卤化的C 1-6烷基，H和式IA：其中Y是可以被氟或氯部分卤化的亚丙基，Y 1 独立地选自COO，OCO，O，S，CHOH，CHF，CO或CH 2; Q和Q 1独立地选自（CH 2）n，其中一个或多个不相邻的亚甲基可被O代替，n = 0-20; Z和Z1独立地选自O，S，单共价键，COO或OCO; 表示介晶基团，并且由通式结构IIA，B，D选自下列环：上述环可以在至少一个可用取代位置中的一个或多个以下取代基取代：F， Cl，Br，CH3，CN，OR，R或NCS，其中R是C1-5支链或直链烷基，条件是存在的环的总数不大于4; 并且W 1和W 2分别独立地为COO，OCO，单键，CH 2 CH 2，CH 2 O，OCH 2，O，S，CH = CH，C 3 D C或N = N。