Method of improving impregnation of poly (meta-phenylene isophth

Details Method of improving impregnation of poly (meta-phenylene isophth Method of improving impregnation of poly (meta-phenylene isophth

1986-09-26

1988-07-05

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Including surface treatment of porous body

264 78, 264129, 264131, 264134, 264203, 26421115, 26421116, 26421117, 264234, 264343, 427377, 427378, 4274346, 4274347, 81491, 81493, 8469, 8925, D01F 660, D06P 324, D06P 502

Patent

active

047553359

ABSTRACT:
A process for diffusing and subliming water-soluble and water-insoluble materials into never-dried, water-swollen aromatic polyamide fibers, using steam heated at certain temperatures.

REFERENCES:
patent: 3063966 (1962-11-01), Kwolek et al.
patent: 3094511 (1963-06-01), Hill, Jr. et al.
patent: 3287324 (1966-11-01), Sweeny
patent: 3471248 (1969-10-01), Schaeuble et al.
patent: 3713769 (1973-01-01), Beal et al.
patent: 3888821 (1975-06-01), Milford
patent: 3953167 (1976-04-01), Minemura et al.
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