RefinedThe nylon fabric contains less miscellaneous, and the purpose of refined is to remove fiber in the process of spinning and weaving.The oil and other dirt. So often combine the retreat or cooking drift. Synthetic agents are commonly used in soap or synthetic detergent. For severe dirty, a smal Read More
1. Select reactive dyes with less floating color after dyeingFloating color is the main reason for the unqualified damp friction of dark color fabrics.Active dye -dye dyes include dyes that have been adsorbed on the fiber without reaction to the fiber, partial hydrolyzed dyes, and ethylene cymbal dy Read More
Guide: PVA, that is, polyvinyl alcohol, is a material widely used in the 3D printing industry. It has the nature of solubility in water, so it can be used for the support of FDM printing. Read More
The phenomenon that the surface of white or light-colored substances turns yellow under the action of external conditions such as light and chemicals. We call this phenomenon "yellowing". Yellowing of white and dyed textiles not only damages their appearance, but also greatly reduces their service l Read More
Traditional acid dyes refer to water-soluble dyes containing acid groups in the dye structure, and are usually dyed under acidic conditions. I. Overview of acid dyes1. History of acid dyes:In 1868, the earliest acid dye triarylmethane acid dye appeared, which had strong dyeing ability but poor fastn Read More
External factors such as solvents, temperature, dye concentration, electrolytes, and radiation light added to the dyeing solution will cause dyes in the solution, or the state of the dye fabric changes, resulting in changes in the color of the dye. 1. The effect of solvent and mediumThe absorption w Read More
The sulphur dye has a history of more than a hundred years since its birth. The first sulfur dye was made by Croissant and Bretonniere in 1873. They will contain organic fibers, such as wood chips, bran, scrap cotton and waste. Paper and other sulfide and polysulfonal alkali are obtained. This dark Read More
1. Test method for yellowing caused by natural light exposure: GB/T 8427—2008 "Textile Color Fastness Tests to Artificial Light Color Fastness: Xenon Arc" The test principle is to combine the sample with a set of blue wool standard samples Put it in the box, expose it to the sun under the artificial Read More
