Process for producing aromatic polyester fiber

Details Process for producing aromatic polyester fiber Process for producing aromatic polyester fiber

1989-04-03

1991-09-03

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

Reactive gas or vapor treatment of work

Work is organic material

264 85, 26421115, 26421117, 264234, 264345, D01D 1002, D01F 662

Patent

active

050452576

ABSTRACT:
A process for producing aromatic polyester fibers having a high strength and resistances to fibrillation, buckling, abrasion and fatigue. The process comprises spinning aromatic polyesters capable of forming anisotropic melts and heat treating the as-spun fibers, the heat treatment being characterized by a combination of a first heat treatment in an inert atmosphere and a successive heat treatment in an active atmosphere.

REFERENCES:
patent: 4332759 (1982-06-01), Ide

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