Performance characteristics of optical brightener OB-1

The appearance of whitening agent OB-1 is bright yellow green crystalline powder; Content ≥ 98%; Fineness ≥ 200 mesh; UV absorption ≥ 2000; The melting point is 350-355 ℃, which is suitable for high temperature production; Color light is divided into blue color light and blue purple color light. At present, blue color light is widely used and has good whitening effect; Insoluble in water, soluble in common organic solvents; Odorless and stable performance; The absorption spectrum has a wavelength of 374 nm, has strong fluorescence, and the emission wavelength is 434 nm.

Optical brightener ob-1 solubility

Optical brightener OB-1 has very low solubility, insoluble in water and soluble in common organic solvents.

OB-1 has low solubility in most organic solvents, has good thermal stability, and can withstand a high temperature of 375 ℃.

OB-1 is suitable for engineering plastics with high melting point, such as alum resin.

OB-1 is suitable for whitening of polyester fiber, nylon fiber, polypropylene fiber and other chemical fibers.
OB-1 is suitable for whitening and brightening polypropylene plastics, hard PVC, ABS, EVA, polystyrene, polycarbonate, etc.
OB-1 is suitable for adding in the conventional polymerization of polyester and nylon.
OB-1 is suitable for whitening plastic products formed at high temperature.
OB-1 has good compatibility with most polymers and has a wide range of applications.