| 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. |