Process for manufacturing a fabric having distinctive and sharp differentially colored patterns or designs, which process comprises the steps of: (a) producing a first and a second polyamide, said polyamides having different concentrations of amine groups; (b) producing a first and a second polyamides having different concentrations of carboxyl end-groups and sulfonate groups; (c) producing a first yarn from said first polyamide and a second yarn from said second polyamide; (d) making a fabric having first surface areas defined by said first yarn and second surface areas defined by said second yarn; and (e) chemically dyeing said fabric in a dyeing bath comprising at least one anionic (acid) dyestuff and at least one cationic (basic) dyestuff, whereby said first yarn and therefore said first surface areas are dyed predominantly by said anionic dyestuff and said second yarn and therefore said second surface areas are dyed predominantly by said cationic dyestuff.
制造具有独特和明显不同颜色图案或设计的织物的过程,该过程包括以下步骤:(a)生产第一种和第二种聚酰胺,所述聚酰胺具有不同浓度的胺基;(b)生产具有不同浓度的羧基末端和
磺酸基的第一种和第二种聚酰胺;(c)从所述第一种聚酰胺和第二种聚酰胺中制造第一股纱和第二股纱;(d)制造具有由所述第一股纱定义的第一表面区域和由所述第二股纱定义的第二表面区域的织物;以及(e)在染色浴中
化学染色所述织物,该染色浴包括至少一种阴离子(酸性)
染料和至少一种阳离子(碱性)
染料,因此所述第一股纱和因此所述第一表面区域主要由所述阴离子
染料染色,而所述第二股纱和因此所述第二表面区域主要由所述
阳离子染料染色。