Core-in-sheath type aromatic polyamide fiber and process for pro

Details Core-in-sheath type aromatic polyamide fiber and process for pro Core-in-sheath type aromatic polyamide fiber and process for pro

1980-04-14

1982-01-05

Kendell, Lorraine T.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

264184, 428397, 428400, D02G 300

Patent

active

043094767

ABSTRACT:
An aromatic polyamide fiber having an excellent dyeing property has a core-in-sheath type structure, in which the core portion is insoluble and the sheath portion is soluble in N-methyl-2-pyrrolidone at 35.degree. C.

REFERENCES:
patent: 2989798 (1961-06-01), Bannerman
patent: 3600271 (1971-08-01), Ono et al.
patent: 3695992 (1972-10-01), Moulds
patent: 3944708 (1976-03-01), Dumas
patent: 4075378 (1978-02-01), Anton et al.

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