FABRIC INCLUDING POLYURETHANE ELASTIC YARN
An article comprising a fabric wherein said fabric comprises a cationic dyeable polyurethane elastic yarn and an acid dyeable yarn.
1 . An article comprising a fabric wherein said fabric comprises a cationic dyeable polyurethane elastic yarn and an acid dyeable yarn.
2 . The article of claim 1 , wherein said fabric includes a construction selected from circular knit, warp knit, and woven.
3 . The article of claim 1 , wherein said acid dyeable yarn is selected from the group consisting of polyamide, silk, wool, mohair, angora, alpaca and combinations thereof.
4 . The article of claim 1 , wherein the color of the fabric as measured by a-color, b-color, and L-value is within 10% of the values that are obtained by removing the cationic dyeable elastic yarn from the fabric.
5 . The article of claim 4 wherein the fabric includes the polyurethane elastic yarn with cationic dye-able functionality in an amount less than 60% by weight of the fabric.
6 . An article comprising a fabric wherein the fabric has a uniform color and comprises a cationic dyeable polyurethane elastic yarn, an acid dyeable yarn, a cationic dye, and an acid dye, wherein said acid dyeable yarn is selected from the group consisting of polyamide, proteinaceous, and combinations thereof.
7 . A method for preparing a fabric comprising:
(a) providing a fabric comprising a cationic dyeable polyurethane yarn and an acid dyeable yarn,
(b) contacting said fabric with a cationic dye, and
(c) contacting said fabric with an acid dye,
wherein said fabric has uniform color.