Polymer network formed in liquid crystals: Polymer-network-induced birefringence in liquid crystals

Andy Ying Guey Fuh, Ming Shann Tsai, Chi-Yen Huang

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

A monomer with reactive double bonds was mixed with a liquid crystal and polymerized under UV irradiation in various phases of the liquid crystal. The polymer networks formed are found to be anisotropic and fiber-like, if the monomer is polymerized in an oriented liquid crystal state. The orientational order of the polymer network is shown to depend on that of the liquid crystal. After polymerization, the polymer network, in turn, is found to affect the orientation of the liquid crystal significantly. It induces birefringence in nematics at temperatures just above the nematic-isotropic phase transition.

Original languageEnglish
Pages (from-to)3960-3963
Number of pages4
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume35
Issue number7
Publication statusPublished - 1996 Jul 1

Fingerprint

Liquid crystal polymers
Birefringence
Liquid crystals
birefringence
liquid crystals
polymers
Polymers
monomers
Monomers
Crystal orientation
polymerization
Phase transitions
Polymerization
Irradiation
irradiation
fibers
Fibers
Temperature
temperature

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

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abstract = "A monomer with reactive double bonds was mixed with a liquid crystal and polymerized under UV irradiation in various phases of the liquid crystal. The polymer networks formed are found to be anisotropic and fiber-like, if the monomer is polymerized in an oriented liquid crystal state. The orientational order of the polymer network is shown to depend on that of the liquid crystal. After polymerization, the polymer network, in turn, is found to affect the orientation of the liquid crystal significantly. It induces birefringence in nematics at temperatures just above the nematic-isotropic phase transition.",
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Polymer network formed in liquid crystals : Polymer-network-induced birefringence in liquid crystals. / Fuh, Andy Ying Guey; Tsai, Ming Shann; Huang, Chi-Yen.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 35, No. 7, 01.07.1996, p. 3960-3963.

Research output: Contribution to journalArticle

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