Optical Brightener C-2 or Washing and dyeing whitening agent

Optical Brightener C-2 belonging to styrene biphenyl derivatives, soluble in water, alcohol, DMF, etc., the maximum absorption spectrum in distilled water is 349nm, the solubility in water at 25 ℃ can reach 25g, and the solubility in water at 95 ℃ can reach 300gL.Optical Brightener C-2 is a water-based whitening agent that can be used in the washing and printing industry.

Optical Brightener C-2 does not have carcinogenic properties unlike VBL or CXT. Widely used in the synthesis of laundry detergent, soap, soap and other detergent industries, water-based washing, textile printing and dyeing, bleaching and dyeing industries, and can also be used in papermaking and other industries, especially in laundry detergent, laundry, liquid detergent, fabric softener, which can make clothes whiter and more colorful!

1. Strong fluorescence and high efficiency, with a dosage only one fourth of styrene triazine type fluorescent whitening agents such as VBL, CXT, etc.
2. Extremely resistant to hydrogen bleaching, hydrogen peroxide bleaching, and strong acids and bases, making it suitable for use in detergents containing whitening agents
   Can have a high whitening effect.
3. Can significantly increase the whiteness of laundry detergent, soap, and soap, and improve their appearance quality.
4. Soluble in water, with good swimming ability, it evenly whitens clothes during hand and machine washing without producing spots.
5. Strong whitening effect, with high whitening effect on cellulose fibers, polyamide, protein fibers, cotton fabrics, etc. in cold and warm water, while other whitening agents have poor whitening effect at low temperatures.
6. The whitening speed is fast, and the fabric can achieve high whiteness in a very short time.
7. It has excellent dry wet sun fastness and sweat resistance, while styrene tri fluorescent whitening agent is easily decomposed during the cool drying process of washed fabrics, causing the fabric to turn yellow under the action of sweat.
8. After multiple washes, the effect is better, and the fabric becomes whiter and more vibrant after frying and washing. However, styrene type III fluorescent whitening agent can cause the fabric to turn green, darken, and reduce whiteness after multiple uses.
9. Optical Brightener C-2 is not harmful to the human body under recommended dosage and general use.

Add ratio: 0.02%~0.1%.It can be added in any process of the type of lotion production (such as dry mixing spray drying, agglomeration molding, spray mixing, etc.).