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Patent Searching and Data


Title:
OPTICALLY ACTIVE SMECTIC PHOTOCROSSLINKABLE LIQUID CRYSTAL
Document Type and Number:
Japanese Patent JPH0873409
Kind Code:
A
Abstract:

To obtain the subject ferroelectric liquid crystal having good chemical and thermal stability, good solubility to common solvents, and good stability to electric field and electromagnetic radiation.

This compound is shown by formula I (A1 and A2 are each a crosslinkable mesophase-forming residue; A3 is an optically active mesophase- forming residue), e.g. {4-[4-(2-amino-5-nitro-4-[(S)-2-octyloxy]phenyl) benzoyloxy]phenyl}-methyl=2,5-bis[4-(6-acryloyloxyhexyloxy) phenylcarboxy]benzoate. The compound of formula I is pref. a compound wherein A1 and A2 are identical with each other, each being a group of formula II, and A3 is a group of formula III, i.e., a compound of formula IV (rings C, D, E, and F are each 1,4-phenylene, pyridin-2,5-diyl, trans-1,4-cyclohexylene or the like; G is 1,4-phenylene; R1 is a crosslinkable group; R2 is an optically active group; (n), (r), (s) and (o) are each 0 or 1; (m) and (p) are each 1-16).


Inventors:
SUTEFUAN KERII
KURAUSU SHIYUMITSUTO
Application Number:
JP21157895A
Publication Date:
March 19, 1996
Filing Date:
August 21, 1995
Export Citation:
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Assignee:
HOFFMANN LA ROCHE
International Classes:
G02F1/13; C07C69/773; C07C69/86; C07C69/92; C07C69/94; C07C217/78; C07C235/06; C07C255/49; C07D239/26; C07D239/34; C08F20/10; C08F20/18; C08F20/30; C09K19/20; C09K19/34; C09K19/38; C09K19/42; (IPC1-7): C07C69/86; C07C69/92; C07C69/94; C07C217/78; C07C235/06; C07C255/49; C07D239/26; C07D239/34; C08F20/18; C09K19/20; C09K19/34; C09K19/42
Attorney, Agent or Firm:
津国 肇 (外1名)