Hangzhou General Technology Co., Ltd.   

In the textile printing and dyeing industry, PVP can increase between the hydrophobic fiber and dye affinity, thereby improving fiber dyeability; PVP can also hygroscopic and sunscreen properties improved fiber, besides using the difference of PVP and different dye binding capacity, can be used as a topical anti staining agent and detergent. In the polymerization, especially the emulsion or suspension polymerization when adding a small amount of PVP could play a stable dispersion, thickening, control of particle size and improve some properties of polymer effect. The lactam structure exists in the PVP molecule, has strong binding force between amino, carboxyl and hydroxyl, dye, and often