Dyed union knit fabric and method for its manufacture

Details Dyed union knit fabric and method for its manufacture Dyed union knit fabric and method for its manufacture

1994-10-14

1996-04-30

Ryan, Patrick J.

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Mixed fibers

8922, 8924, 8926, D06M 1100, D06M 1108

Patent

active

055120598

ABSTRACT:
A dyed union knit fabric comprised of at least a polyurethane elastic fiber containing a chlorine-induced degradation inhibitor in a proportion of 0.5-4.5 weight % relative to the weight of the fiber, and a polyamide fiber and/or a cation dyeable polyester fiber, which has been dyed with mixed dyes of acid dyes, dispersion dyes, metal-complex dyes, reactive dyes and direct dyes, and markedly improved in resistance to chlorine-induced change in shade by allowing to contain at least one compound having a reaction amount of chlorine of 50 milliequivalent per gram or more, specifically one member of mono- and/or polyhydroxybenzene derivatives in a proportion of 0.1-20% relative to the weight of the fiber; and a method for manufacturing same. According to the present invention, excellent resistance to chlorine-induced change in shade as well as chlorine-induced degradation can be afforded to the dyed union knit fabric.

REFERENCES:
patent: 4255182 (1981-03-01), Hewitt et al.
patent: 4444564 (1984-04-01), Salathe et al.

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