| abstract |
A liquid crystal information storage device comprises a recording layer comprising a liquid surface-developed film of a pendant mesogenic group-containing high molecular weight liquid crystal, containing a hydrophilic group. Such high molecular weight liquid crystals include acrylic polymers and polysiloxanes, containing at least one pendant mesogenic group and at least one hydrophilic group, such as -COOH, -OH, -NH 2 , -SH, -SO 3 H, -OS0 3 H, -SO 4 H, OSO 4 H, -CONH 2 , -COCH 3 , -COOCH 3 , -NHCONH 2 , -NHCOCH 3 and -OCOCH=CH 2 . Such high molecular weight liquid crystals can be aligned without defects. |