Fluorescent Brightener (31#) detergent, soap, fabric

Product Description

PROPERTIES:
The difference between Optical brightener *1# and VBL is that one aniline substituent is changed into m-chloroaniline and shows anion character; The pH resist value is ***2. It can resist **0ppm hard water, resist 0.*5% free chlorine, but don't resist to copper and iron ions. It has good sunlight resistance and aging resistance. When used in synthetic detergent, it has better whitening effect than VBL on the detergent itself and the cloth washed; It can be used in one bath with anionic and nonionic surfactants and oxydol, unsuitable for used with cationic surfactants.
APPLICATIONS:
1. Fluorescent whitening agent for detergent industry and soap industry.
2. Fluorescent whitening agent for cotton fabric and gluing products and light color or printing products. The affinity with cellulose fiber is not so good as VBL.
3. Fluorescent whitening agent for polyvinyl alcoholic fiber and polyamide fiber.

PROCEDURE:
1. When used in detergent industry, adding directly into the pulp, the dosage is as follows:
Common washing powder: 0.***0.*5% Soap: 0.**0.2%
Concentrated washing powder: 0.**0.2% Soft agent for fabric fiber: 0.**0.2%
Liquid detergent: 0.**0.2% Washing syrup: 0.***0.*5%
2. When used in detergent industry, add the Brightener directly into dyeing bath after dissolved with water. The dosage is 0.***0.3%. Bath ration: 1: *0, the optimal bath temperature: *0oC.