ABSTRACT

To augment high performance, coloration and functional finishing onto cotton fabrics; novel approach for simultaneous dyeing and finishing in addition to reinforcement effect were applied by conventional pad-dry-cure method in one step. This was done to explore the potential of reduction in energy consumption and production time as well as dyes and chemicals. For this purpose, our previously prepared starch nanoparticles (SNPs) as a reinforcement biopolymer were incorporated in cross-linking formulation of cotton fabrics embracing different concentrations of citric acid and cationic dyes, i.e., Methylene Blue and Crystal Violet in presence of sodium hypophosphite as a proficient catalyst at 150⁰C for 2 minutes. Evaluation of the treated fabric performance with respect to color strength (K/S), fastness properties to light, rubbing and perspiration, add on %, dry wrinkle recovery angles, tensile strength, fabric stiffness, antibacterial effect and ultraviolet protection factor were appraised. It is seen from the obtained results that; the simultaneously dyed and finished fabric in presence of SNPs showed higher color strength, dry wrinkle recovery angle, tensile strength, fabric stiffness, antibacterial and UPF functionalities in addition to considerable light, rubbing and perspiration fastness in comparison with untreated fabric. Besides, FTIR spectra exhibited the chemical structure of treated fabrics with respect to the presence of the ester crosslinking and functional groups of cationic dyes in questions in comparison with untreated fabric. The durability of the imparted functional properties was confirmed also by washing test.

摘要

增强棉织物的高性能、着色和功能整理；除了增强效果外，还采用传统的浸轧干固化方法一步完成了同时染色和整理的新方法。这样做是为了探索减少能源消耗和生产时间以及染料和化学品的潜力。为此，我们先前制备的淀粉纳米颗粒（SNP）作为增强生物聚合物被掺入到棉织物的交联配方中，该配方包含不同浓度的柠檬酸和阳离子染料，即在次磷酸钠存在下的亚甲基蓝和结晶紫。精通催化剂 150 ⁰C 2 分钟。评估处理后的织物性能，包括色强度 (K/S)、耐光、摩擦和汗渍牢度、添加百分比、干皱回复角、拉伸强度、织物挺度、抗菌效果和紫外线防护系数。从得到的结果可以看出；与未经处理的织物相比，在存在 SNP 的情况下，同时染色和整理的织物显示出更高的颜色强度、干皱回复角、拉伸强度、织物挺度、抗菌和 UPF 功能，此外还有相当大的耐光性、摩擦性和汗渍牢度。除了，与未处理的织物相比，FTIR 光谱显示了处理织物的化学结构，即存在问题的阳离子染料的酯交联和官能团。赋予的功能特性的耐久性也通过洗涤试验来确认。