Rapid heat-treatment method for polybenzaole fiber

Details Rapid heat-treatment method for polybenzaole fiber Rapid heat-treatment method for polybenzaole fiber

1992-12-03

1994-02-22

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Utilizing special inert gaseous atmosphere or flushing mold...

26421117, 264345, D01D 1002, D01F 626

Patent

active

052884457

ABSTRACT:
This invention aims at improvement of heat-treatment technology for manufacture of large amounts of polybenzazole fibers. The fibers are heat treated in a device that provides for a rapid, cocurrent, countercurrent or both cocurrent and countercurrent flow of heat treatment gas.

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