In the dyeing process of papermaking, the object of dye action is paper fiber. Dye and different slurry have different action mechanism. For example, basic dye has strong affinity for slurry containing more lignin, suitable for dyeing pulp with high lignin content, and acid dye with less affinity

1、 Product introduction: The common property of solvent dyes is that they have good solubility in many thermoplastics during processing. They form a stable molecular solution in the processed plastic solution, and have excellent color strength in opaque dyeing compatible with white and colore

Basic Dye molecules contain amino, substituted amino or nitrogen-containing heterocyclic compounds. These amines are in the form of organic alkali salts (such as hydrochloride, organic acid salt or zinc chloride double salt, etc.), which are called basic dyes. Early also known as base dyes. In 18

Influence of dyeing water quality The quality of dyeing water refers to the hardness of water and metal ions. For disperse Cuilan s-gl, Mg2 + and Ca2 + in the water hardness index have little effect on the dye color, but when the concentration is high, it will also have a bad effect on the dy

Cationic dyes are a kind of textile dyes, also known as basic dyes and base dyes. It is in the state of cation dissolved in water. The cation dye can be dissolved in water and ionized in water to form a dye with positive charge. The cationic dye can combine with the acid group of the third monome

The color light of dye refers to the color and brightness of textile fiber after dyeing. In business, the color light is an important sign of dye characteristics and evaluation of dye quality. For dye application, mastering the color light of dye is an important guarantee for the quality of dyein

  Zhejiang, Guangdong, Shandong and other places are scrambling to launch policies to help, tax delay rent relief!   With the extension of return to work, the company's rent, employees' wages and overstocked goods are enough to paralyze the operation of some small an

According to the survey data of the main printing and dyeing production bases in Jiangsu and Zhejiang, some of the above-mentioned enterprises that meet the conditions for resumption of work started on February 10, and others that meet the conditions are expected to resume operation before Feb

Our booth: HALL NO.2 BOOTH NO.D231 Exhibition time： 10TH APRIL-12TH APRIL Place: SHANGHAI Our Products range: NIGROSINE BLACK （Nigrosine MS Conc.）           Acid Black 2 （Nigrosine Alcohol Soluble ）    

Our booth: 6.2Q12 6.2H Exhibition time：24th- 27th APRIL Our product range as below: NIGROSINE BLACK SERISE (Nigrosine Oil Soluble)  Solvent Black 7   S101，Plastic Grade S102，Ink Grade S103，Paint Grade S104，Leather Grade S105, Shoe polish Grade （Nig