Dyeing and printing are processes employed in the conversion of raw textile fibres into finished goods that add much to the appearance of textile fabrics. Most forms of textile materials can be dyed at almost any stage.

2015年11月15日 · Chemicals and auxiliaries are the main factor for producing color in yarn, fabric or garments. Chemicals are second important materials for dyeing. Different chemicals are used during textile wet processing .

2024年1月1日 · Originally designed for optimum performance and durability, all chemicals used in textile dyeing and printing will be grouped into two classes: chemicals and auxiliaries released with processing baths, and the chemicals, dyes and polymers that will be part of the product.

2023年10月1日 · In order to produce colorful clothing, printing and dyeing factories employ a considerable number of chemical compounds, such as dyes, colorants, surfactants, and mercerizing agents [2]. The industry uses up to 10,000 dyes per year [3]. The discharge of dye wastewater into the environmental water body will do great harm.

Textile printing is the process of applying colour to fabric in definite pattern or design. Printing involves deposition of viscous paste containing the dyestuff, a thickening agent, a small amount of water and other printing assistants. It is immediately dried to prevent the spreading of the colour beyond the boundaries of the design.

2018年11月30日 · These chapters discuss the characteristics of dyeing chemicals and how auxiliary substances can assist in achieving outstanding dyeing performance. 1. Introduction.

2021年5月19日 · The primary PFAS chemicals used in textiles include polytetrafluoroethylene (PTFE) and short-chain fluorinated polymers known as C6 or C4 chemistries. Both materials are PFAS polymers. As shown in Figure 5, 12 PTFE can serve as a waterproof breathable membrane, and the C6 reduces the surface energy of the uppermost layer, imparting water and ...

2024年4月1日 · Printing and dyeing wastewater is a general term for the wastewater discharged from textile printing and dyeing factories or enterprises that process textile products through pre-treatment, bleaching, dyeing and finishing, washing, and other processes [3].

2024年4月11日 · Biopolymers, derived from renewable sources, offer a sustainable alternative to conventional synthetic chemicals in the textile industry. They improve dye uptake, colour fastness, and print quality, enhancing textile performance.

2024年11月25日 · Dyeing auxiliaries are chemical substance which enables a processing operation in preparation, dyeing, printing or finishing to be carried out more effectively. During dyeing process, it helps to enhance the dye’s performance, improve fabric quality, and achieve uniform coloration.