Process and composition for dyeing polymeric fibers

Details Process and composition for dyeing polymeric fibers Process and composition for dyeing polymeric fibers

D - Textiles, Paper

06

P

D06P 3/79 (2006.01) D06P 1/642 (2006.01) D06P 1/651 (2006.01)

Patent

CA 2119242

2119242 9306177 PCTABS00021 There is disclosed a process and a composition for dyeing polymeric fibers which have limited dye sites and/or difficult to penetrate chemical structures. Briefly stated, the process comprises the steps of contacting polymeric fibers with a dye composition comprising a disperse dye and a swelling agent. The fibers in contact with said dye composition are then preferably heated to a temperature and for a time sufficient to effect dispersion of a portion of said dye into said polymeric fibers. Subsequently, the fibers are treated to remove residual dye composition.

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