Solvent resistant halogenated aromatic polyester fibers and proc

Details Solvent resistant halogenated aromatic polyester fibers and proc Solvent resistant halogenated aromatic polyester fibers and proc

1980-11-19

1982-10-19

Woo, Jay H.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

264205, 2642108, 2642356, 264346, C08G 6368

Patent

active

043551521

ABSTRACT:
Solvent resistant halogenated aromatic polyester fibers are prepared by heat treating the fibers at substantially constant length at a temperature of from about 270.degree. to about 295.degree. C. for from about 5 to about 60 minutes. The heat treated fibers have improved solvent resistance in that they are capable of withstanding 5 to 20 minute immersions in the commercial dry cleaning solvent perchloroethylene which is at a temperature of from about 60.degree. to about 70.degree. C.

REFERENCES:
patent: 3864448 (1975-02-01), Stackman et al.
patent: 4083829 (1978-04-01), Calandann et al.
patent: 4118372 (1978-10-01), Schaetgen
patent: 4128614 (1978-12-01), Gilbert
patent: 4184996 (1980-01-01), Calandann et al.
patent: 4247514 (1981-01-01), Luise
patent: 4287332 (1981-09-01), Jackson et al.

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