Preparation and characterization of polymer dispersed liquid crystal films using photosensitive polymers

Jui‐Hsiang ‐H Liu, Ming‐Zeng ‐Z Chen, Yu‐Fang ‐F Wang

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2 Citations (Scopus)

Abstract

4‐Butyl‐N‐(4‐methoxybenzylidene)aniline (MBBA) and 4‐butyl‐N‐(4‐ethoxybenzylidene)aniline (EBBA) liquid crystals were synthesized. To investigate the applications of hydrophilic monomers and polymers on the field of polymer dispersed liquid crystal (PDLC) films, 2‐hydroxyethyl methacrylate (HEMA) and acrylic acid (Aa) were selected as monomers for the polymer matrix. To prepare the PDLC films, 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 electrooptical behavior and the microstructure of the PDLC films were investigated by He‐Ne laser and scanning electron microscopy (SEM), respectively. The effects of UV‐light irradiation and monomer ratio on the electrooptical behavior of PDLC films, and the reproducibility and storage stability of the PDLC films were investigated.

Original languageEnglish
Pages (from-to)109-121
Number of pages13
JournalDie Angewandte Makromolekulare Chemie
Volume231
Issue number1
DOIs
Publication statusPublished - 1995 Sep

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

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