Optimization of thermotropic liquid crystalline polyester performance

Timothy E. Long, James R. Bradley, Norma L. Buchanan, Louis T. Germinario

Research output: Contribution to conferencePaperpeer-review

Abstract

Although all-aromatic liquid crystalline polymers (LCPs) offer a unique combination of high heat distortion temperature (HDT), inherent flame resistance, and excellent melt processability, this emerging class of engineering thermoplastics remains at its infancy. Significant attention has been devoted to the elucidation of structure-property relationships for all-aromatic and aliphatic-aromatic liquid crystalline polymer products. Recent efforts have also focused on the utilization of insitu infrared (IR) monitoring in the liquid crystalline melt for the elucidation of the polymerization mechanism. This presentation will highlight important synthetic and analytical issues for the successful preparation of thermotropic liquid crystalline polyesters. Morphological characterization will focus on the relationship of macromolecular composition on the orientation of liquid crystalline fibers. Atomic force microscopy (AFM), scanning electron microscopy (SEM), and transmission optical microscopy (OM) were utilized to define the fibrillar structure in melt extruded fibers.

Original languageEnglish (US)
Pages1579-1582
Number of pages4
StatePublished - 1998
Externally publishedYes
EventProceedings of the 1998 56th Annual Technical Conference, ANTEC. Part 1 (of 3) - Atlanta, GA, USA
Duration: Apr 26 1998Apr 30 1998

Conference

ConferenceProceedings of the 1998 56th Annual Technical Conference, ANTEC. Part 1 (of 3)
CityAtlanta, GA, USA
Period4/26/984/30/98

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Polymers and Plastics

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