Abstract

This study investigated different dyeing conditions for a cross bobbin acrylic cotton blend yarn, with the aim of identifying, through the bleaching of cotton fiber. Interference from the addition of softener regarding the tone difference across the bobbin, especially the inner end, was also studied. With these dyes, the concentration profiles of the basic dye and the reactive dye were determined and it was found that the dyeing of acrylic fibers is governed by pseudo-first order kinetics while dyeing cotton fibers fits well with pseudo-first and second order kinetics. For the dyeing of acrylic fibers, the direction of bath circulation did not affect the intensity of thread color. The best results for color intensity were obtained with mercerized yarn bobbins. There was a trend toward higher color intensity at the inner end of the bobbin when softener was added. This occurred due to the higher flow velocity inside the bobbin.

摘要

这项研究调查了交叉筒管丙烯酸棉混纺纱的不同染色条件，目的是通过棉纤维的漂白进行鉴定。还研究了添加柔软剂对绕线筒（尤其是内端）的色调差异的干扰。用这些染料，测定了碱性染料和反应性染料的浓度分布，发现丙烯酸纤维的染色受拟一级动力学控制，而棉纤维的染色与拟一级和二级动力学很好地吻合。对于腈纶纤维的染色，浴液循环的方向不影响线色的强度。用丝光丝筒管可获得最佳的色彩强度结果。添加柔软剂后，线轴内端的色彩强度有增加的趋势。这是由于线轴内部的流速较高所致。