Process for producing stain-resistant, pigmented nylon fibers

Details Process for producing stain-resistant, pigmented nylon fibers Process for producing stain-resistant, pigmented nylon fibers

1988-12-14

1992-04-28

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264 75, 264211, D01F 104

Patent

active

051086840

ABSTRACT:
Process for producing producer-colored nylon fibers which are stain-resistant to acid dyes are made by adding pigment to nylon copolymers containing 0.25-4.0 percent by weight of an aromatic sulfonate or an alkali metal salt thereof.

REFERENCES:
patent: 3542743 (1970-11-01), Flamand
patent: 3565910 (1971-02-01), Elbert et al.
patent: 3640942 (1972-02-01), Crampsey
patent: 3898200 (1975-08-01), Lofquist
patent: 4579762 (1986-04-01), Ucci

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