Process for the manufacture of a post-heat set dyed fabric of po

Details Process for the manufacture of a post-heat set dyed fabric of po Process for the manufacture of a post-heat set dyed fabric of po

1994-10-11

1996-01-30

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

With incorporating dye susceptible material or dyeing workpiece

8494, 8497, 8924, 8925, 264103, 264168, 2642106, 2642108, 264211, 26421115, D01F 110, D01F 660

Patent

active

054878560

ABSTRACT:
Described is a process for the manufacture of polyamide fibers having improved dye washfastness and heat stability by melt mixing a fiber forming polyamide with an additive such as water, an alcohol, an amine and a heat stabilizer such as a phenolic compound or a phosphite containing aryl groups or a mixture thereof to form a homogeneous mixture, melt spinning polyamide fibers, quenching, drawing and taking up the polyamide fibers.

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