Preparation of polybenzoxazoles from halogenated polyamide anion

Details Preparation of polybenzoxazoles from halogenated polyamide anion Preparation of polybenzoxazoles from halogenated polyamide anion

1991-12-02

1993-04-13

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

524606, C08G 6948

Patent

active

052023893

ABSTRACT:
This invention relates to a process for making polymers containing benzoxazole groups by heating, and thereby dehalogenating, novel anions of orthohalogenated aromatic amide groups of a polyamide. The products are useful as fibers and films.

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