| abstract |
NEW MATERIAL:A compound expressed by formula I (R 1 is H or CH 3 ; R 2 is a group without a substituent group or hydrocarbon group having at least one of ether, amide, ester and urethane bonds; n is 2-11). n EXAMPLE: p,p'-Di(acryloyloxyethyloxy)biphenol. n USE: A polymer material, good in solvent solubility and meltability, excellent in processability, useful as liquid crystals and liquid crystal mixtures and convertible into a structure, excellent in heat resistance and having a high elastic modulus and strength. n PREPARATION: A compound expressed by formula II is reacted with, e.g., (meth) acryloyl chloride, (meth)acrylic acid or glycidyl (meth)acrylate, in the presence of a catalyst to afford the aimed compound expressed by formula I. n COPYRIGHT: (C)1989,JPO&Japio |