Kinetics study on catalyst effect by thin film polymerization of liquid crystalline copolymer

Si Xue Cheng, Tai Shung Chung

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Thin film polymerization technique was used to investigate the kinetics of uncatalyzed and catalyzed polycondensation reaction for thermotropic liquid crystalline polymers (LCP) with the composition of 73/27 P(OBA/ONA). Through in-situ observation from a polarizing microscope, the polycondensation reaction was found to start from a homogeneous to a heterogeneous phase. The reaction rate constant measured from the thin film polymerization is much higher than the previous value obtained from bulk polymerization reaction because the release of acetic acid in the present system is much easier and quicker.

Original languageEnglish (US)
Pages (from-to)530-531
Number of pages2
JournalAmerican Chemical Society, Polymer Preprints, Division of Polymer Chemistry
Volume40
Issue number2
StatePublished - Aug 1999
Externally publishedYes

ASJC Scopus subject areas

  • Polymers and Plastics

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