Process for heat treating shaped articles of poly {[benzo(1,2-d:

Details Process for heat treating shaped articles of poly {[benzo(1,2-d: Process for heat treating shaped articles of poly {[benzo(1,2-d:

1983-04-11

1985-11-19

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Utilizing special inert gaseous atmosphere or flushing mold...

264184, 2642108, 26433112, 264345, 525425, 528179, 528183, B29C 2500

Patent

active

045541191

ABSTRACT:
The properties of shaped articles of poly {[benzo(1,2-d:4,5-d')bisthiazole-2,6-diyl]-1,4-phenylene}, its cis isomer and mixtures thereof are improved by a process of heat treatment under tension. The articles may be prepared from a dope obtained by dissolving the formed polymer in an appropriate solvent or by forming the polymer under conditions which enable the article to be prepared directly from the reaction medium.

REFERENCES:
patent: 4202962 (1980-05-01), Bauch
patent: 4377546 (1983-03-01), Helminiak et al.
patent: 4423202 (1983-12-01), Choe

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