Method of treating polyaramid fiber

Details Method of treating polyaramid fiber Method of treating polyaramid fiber

D - Textiles, Paper

06

M

8/31.07

D06M 13/325 (2006.01) D06P 3/24 (2006.01) D06P 5/22 (2006.01)

Patent

CA 1240810

METHOD OF TREATING POLYARAMID FIBER Abstract of the Disclosure Polyaramid fiber is swollen, such as by exposing it to a solvent, and while swollen a substance, such as amine or substituted amine, capable of forming an ionic bond with an acid or anionic dye, is introduced into the fiber, after which the fiber is shrunk, such as by drying, to incorporate the substance into it. Thereafter, the fiber can be dyed or printed with an anionic dye. A solution of the solvent and substance may be prepared, and the fiber contacted with the solution.

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