Processing of pigmented nylon fibers using modified polymers

Details Processing of pigmented nylon fibers using modified polymers Processing of pigmented nylon fibers using modified polymers

1990-11-20

1993-06-29

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

With incorporating dye susceptible material or dyeing workpiece

8489, 8497, 2642108, 264211, 525432, 528324, 528338, 528339, 528340, 528347, D01F 104, D01F 812

Patent

active

052231968

ABSTRACT:
An improved process for melt-spinning a pigmented hexamethylene adipamide fiber from a melt blend of a polymer and a colored pigment wherein the polymer is a random interpolyamide or a block polymer having two different difunctional recurring amide-forming moieties other than those which form hexamethylene adipamide is disclosed along with pigmented hexamethylene adipamide polymer fibers having tenacities greater than 7.5 or even 8 grams per denier.

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