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BLENDED DYED PRODUCT OF FIBER DYEABLE WITH DISPERSE DYE AND POLYURETHANE FIBER AND DYEING METHOD THEREFOR
BLENDED DYED PRODUCT OF FIBER DYEABLE WITH DISPERSE DYE AND POLYURETHANE FIBER AND DYEING METHOD THEREFOR
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机译:分散染料和聚氨酯纤维染色纤维混纺产品及其染色方法
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摘要
A mixed fiber article dyed with disperse dye, composed of fiber dyeable with disperse dye and polyurethane fiber, having a color fastness to a perspiration-alkali test of grade 3 or higher according to the JIS L-0848-A Method and having a surface color shade of 20 or less in terms of L value determined by spectro-colorimetry. The dyed mixed fiber article containing polyurethane fiber can be prepared by dyeing a mixed fiber article composed of disperse dyeable fiber and polyurethane fiber, such as a co-knitted fabric, either in a dye bath in the presence of polyvalent metallic compound and tannic acid or after the co-knitted fabric has been treated in a bath containing polyvalent metallic compound and tannic acid.
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