Optical Brightener SWN

(1) multipurpose brightener with excellent whiteness, soluble in ethanol but insoluble in water.

(2) having properties of good solubility and compatibility.

2. Application and procedure of Optical Brightening Agent SWN                                                

Optical brightening agent SWN is mainly used for brightening the wool, natural silk, nylon, acetate fiber and the cellulose triacetate. It can also used for brightening the cotton and acrylic fiber. It can add the resin in the detergent for washing the fabrics and can improve the fabrics' external whiteness after washing within the range of Ph=3-11. Meantime it can be used on the coating paper and used at the aspect of plastic and coating of chromaticity printing. It is suitable for exhausting and continuous process.