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The difference between Oxford cloth printing and dyeing 2020.04.14

Abstract: Oxford cloth printing is a method of printing dyes or paints onto fabrics by a certain process to form patterns. Printing is also called local dyeing. Dyeing refers to the process of treating textile materials with a dye bath to chemically or physicochemically combine dyes and fibers, or to generate insoluble colored substances on fibers. When we use the same dye in dyeing and printing, the properties of the chemical additives used are similar, and the coloring mechanism of the dye is also the same. However, there are many differences between dyeing and printing. What are the differences between the two? 1, different processing media. Printing process needs to add paste and dye to prepare together

Oxford cloth printing is a method of printing dyes or paints onto fabrics to form patterns through a certain process. Printing is also called local dyeing. Dyeing refers to the process of treating textile materials with a dye bath to chemically or physicochemically combine dyes and fibers, or to generate insoluble colored substances on fibers.

When we use the same dye in dyeing and printing, the properties of the chemical additives used are similar, and the coloring mechanism of the dye is also the same. But there are many differences between dyeing and printing. What are the differences between the two?

1. Different processing media. Printing process needs to add paste and dyestuff together to prepare printing color paste to prevent unclear pattern outline or flower shape distortion, as well as prevent dye migration during printing after drying. The dyeing process uses water as a medium. Generally, no or only a small amount of thickening paste is added as an anti-migration agent.

2. The color matching method is different. When printing, different types of dyes are often used for common printing or paddle printing, and dyeing rarely uses two different types of dyes for color matching. Printing and dyeing have different requirements for the quality of semi-finished products. The same shades of color are obtained. The amount of dye used in printing is much larger than that of dyeing, so sometimes a co-solvent is added.

3. The post-treatment process is different. The paste dried after printing will form a film, which prevents the dye from penetrating and spreading into the fiber. Sometimes, steam must be used to transfer the dye from the paste to the fiber (that is, to increase the diffusion rate of the dye) to complete the coloring. Process, and then carry out conventional washing, soaping, drying and other processes. The post-treatment of the dyeing process is usually washing, soaping, drying and other processes. During the dyeing process, the dye solution on the fabric has a longer action time, and the dye can penetrate and diffuse into the fiber more fully, so no other Special post-processing.

The above is the difference between printing and dyeing in processing media, color matching methods, and post-processing techniques. Do you feel that you are in a posture after reading!

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