Crystallization mechanism of VectraTM a liquid crystal polymer

Tai Shung Chung*, Min Cheng, Suat Hong Goh

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The isothermal transition kinetics and crystallization mechanisms of liquid crystal polymer: VectraTM A-950 (73/27 HBA/HNA) was studied by using a differential scanning calorimeter (DSC). Two types of transition processes appeared in the low temperature region (below 503 K). One is a fast process that can be regarded as liquid crystal transition, and the other is a slow process, which perfects crystals. A slight difference in monomer compositions also leads to a few surprising results compared to S.Z.D. Cheng's study. 73/27 HBA/HNA may have a faster annealing process (in the time scale we studied) and its post-treatment process may be accomplished more economically than that of 75/25 HBA/HNA. The reason lies in that the former may has a better sequence or a better matching of molecular dimensions for crystallization than that of latter.

Original languageEnglish (US)
Title of host publicationAnnual Technical Conference - ANTEC, Conference Proceedings
Editors Anon
PublisherSoc Plast Eng
Pages2017-2019
Number of pages3
Volume2
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

Other

OtherProceedings of the 1998 56th Annual Technical Conference, ANTEC. Part 1 (of 3)
CityAtlanta, GA, USA
Period04/26/9804/30/98

ASJC Scopus subject areas

  • Engineering(all)

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