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Preparation and characterization of liquid crystal composite film using photosensitive hydrophilic matrix
Author(s) -
Liu JuiHsiang,
Liu HongChai,
Chong YiChang
Publication year - 1996
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/(sici)1097-4628(19960906)61:10<1747::aid-app15>3.0.co;2-#
Subject(s) - characterization (materials science) , composite number , materials science , matrix (chemical analysis) , liquid crystal , composite film , composite material , chemical engineering , polymer science , polymer chemistry , nanotechnology , optoelectronics , engineering
Methoxybenzylidene n‐butylaniline (MBBA) and ethoxybenzylidene n‐butylaniline (EBBA) liquid crystal were synthesized. To investigate the applications of hydrophilic monomers and polymers on the field of liquid crystal composite film, 2‐hydroxyethyl methacrylate (HEMA) and acrylic acid (Aa) were selected as monomers for the polymer matrix. To prepare the liquid crystal composite film, MBBA, EBBA, and commercial liquid crystals ZLI‐2444, 2452, 2459, and BDH‐E7 were mixed with HEMA, Aa, and photosensitive materials and then irradiated by UV light. The electro‐optical behavior and the microstructure of the liquid crystal composite films were investigated by He‐Ne laser and scanning electron microscopy, respectively. The effects of UV light irradiation and monomer ratio on the electro‐optical behavior of liquid crystal composite films were investigated. The reproducibility and storage stability of the liquid crystal composite films were investigated. © 1996 John Wiley & Sons, Inc.