/1/ Compatibility of powder coating additives with resins This is the first attention should be paid to the selection of additives. Powder coating auxiliaries must remain in the powder coating for a long time to play its due effectiveness. Therefore, the general use of additives should be compatible Read More
1. The problem of poor whiteness and gross effectPoor whiteness includes impure whiteness, unevenness and less than 8～10cm/30min in the wool effect. This is related to the quality of knitted fabrics. For example, if the content of low-grade cotton is high, the whiteness and wool effect are often not Read More
About fastness to sunlight:Light fastness refers to the ability of dyes to maintain their original color under sunlight. According to general regulations, the determination of light fastness is based on sunlight. In order to facilitate control in the laboratory, artificial light sources are generall Read More
1. Adsorption stability theory:The high-molecular micelles adsorb heavy metal ions through static electricity or hydrogen bonds to achieve the purpose of stability.The types of stabilizers include: water glass, fatty acid magnesium, polyacrylamide partial hydrolysate, polycarboxylate, etc.2. Complex Read More
The use of the glass glue in family decorating is very extensive, have a lot of application above especially in the seal of door window and wei Yu glass.Glass glue is usually acidic and neutral. In the curing process, glass glue will release a small amount of irritating gas, which has an irritating Read More
According to the analysis of textile material science, general chemical fiber fabrics have better color fastness to wet rubbing than natural fabrics such as cotton, and thin fabrics are better than heavy fabrics. Therefore, when processing textiles, each process should be evenly processed to improve Read More
The cleaning effect of the refining process is very complicated. First, the adhesion of the waxy saponification and oily substances on the fabric to the fabric is weakened, and the interface is gradually reduced. Under mechanical action, the oil stain is detached from the fabric and emulsified into Read More
Dispersibility is also one of the necessary conditions for a good leveling agent for disperse dyes. The dispersibility of the leveling agent can avoid the agglomeration of the dye during the dyeing process (generally, a dispersant is added in the production process of disperse dyes). The following i Read More
The soaps and detergents in the printing and dyeing auxilaries are collectively called detergents. At present, in our printing and dyeing industry, the washing before treatment is generally called a detergent, while the washing after dyeing or printing is generally called a soapy detergent.In the pr Read More
