| 摘要 |
PCT No. PCT/GB94/00662 Sec. 371 Date Oct. 30, 1995 Sec. 102(e) Date Oct. 30, 1995 PCT Filed Mar. 30, 1994 PCT Pub. No. WO94/22977 PCT Pub. Date Oct. 13, 1994A liquid crystal polymer or copolymer is disclosed of structure (A) where X=CN, COR, CO2R, CHO, CF3; R=branched chain, straight chain or chiral alkyl; +562 =any suitable mesogenic group; Z=single covalent bond, oxygen, sulfur, CO2 or OCO; n=1 to 20; Y=H, OH, F, OCH3; m=3 to 200; P=a single covalent bond, oxygen, or OCO. <IMAGE> (A) |
