文献类型：期刊文献

英文题名：Research on microwave pad dyeing process for wool fabric

作者：Zhao, Xue[1]

机构：[1]Shaoxing Univ, Coll Text & Garment, Shaoxing, Peoples R China

年份：2017

卷号：21

期号：4

起止页码：263

外文期刊名：RESEARCH JOURNAL OF TEXTILE AND APPAREL

收录：ESCI(收录号：WOS:000424514700002)、WOS

语种：英文

外文关键词：Cold batching fixation; Microwave fixation; Pad dyeing; Wool fabric

外文摘要：Purpose - This paper aims to study microwave pad dyeing process for wool fabric. Influences of various dyeing process conditions including galactomannan dosage, urea dosage, sodium bisulphite dosage, pH value, microwave irradiation power, treating time and cold batching time before microwave fixation on K/S values were analysed. The colour yield, fixation and levelness were compared between microwave fixation and cold batching fixation. Design/methodology/approach - Colour yield (K/S values) was calculated using a Datacolor SF650 colour measuring and matching instrument (10 degrees standard observer, CIE D65 light source Measuring; Datacolor, USA) and was used to determine the depth of the shade of dyed wool fabrics. Levelness of dyeing was evaluated also using the Datacolor SF650 colour measuring and matching instrument by measuring average deviation (S), range (P) of the maximum and the minimum for lightness (L), chroma (C) and hue (h), and balanced colour difference (Delta E) at 20 specified uniform locations on the wool fabrics. The colour difference was calculated as per the equation Delta E = (Delta L-2 + Delta a(2) + Delta b(2))(1/2) as appearing in the Experimental section. Fixation was determined using a Datacolor SF650 colour measuring and matching instrument by measuring ratio the of K/S for wool fabrics that were rinsed, washed, neutralised and then dried, and wool fabrics that were dried after fixation without washing. The pH of the padding solution was evaluated using a PHSJ-4A PH meter (Datacolor, USA). SEM analysis was done on JEOL JSM-5600LV machine (JEOL Ltd, Japan). Findings - This study is based on application of microwave technology in the processing of silk. Originality/value - It was found in laboratory experiments that uniform dyeing and deeper colour can be achieved throughout the microwave pad dyeing process for wool by using galactomannan. The novel process could reduce the dyeing time and the energy consumption of the traditional cold pad-batch dyeing process for wool fabric.