Optical Brightening Agent PF
1,2'-vinylenebis[5-methylbenzoxazole]（PF）
CASNo. 12224-12-3
StructuralFormula:
Properties:
It is light yellow crystalline powder with a meltingpoint of 182-188 ℃, an absorption wavelength of 363nm,a fluorescent color of red light blue, good fastness and light resistance,insoluble in water, and soluble in organic solvents such as benzyl esterethers. Acid and alkali resistant, with relatively stable chemical properties,neutral, belonging to non-ionic type.
It is mainly used for whitening and brightening polyvinylchloride, polystyrene, polyacrylate, polyester film, high- and low-pressurepolyethylene, ABS, organic glass, business cards, high-end paper, etc.
Specification(HG/T 5097-2016):
Items | Index |
Appearance | Light yellow green powder |
Purity (%) | ≥98.0 |
UV absorption | ≥900 |
Mass fraction of volatile matter/% | ≤0.5 |
Remarks: This quality indicator is only for reference, and the specific indicators are subject to the contract.
Usage:
Mix it with various plastic ions, equivalentto 0.03-0.1% of the weight of plastic raw materials (recommended dosage), andproceed with molding processing.
Packageand Storage:
Paper box packaging, lined with plasticbags, customers' requirement. Storage in shady room and dry place.
SafetyProtection:
It has a certain irritant effect on theskin and eyes, which may cause respiratory irritation. Preventive measures:Operators should wear protective goggles/masks, protective gloves, and avoidinhaling dust during work. After operation, thoroughly clean the skin. Thisproduct should be used outdoors or in well-ventilated areas as much aspossible. Necessary first aid measures: If inhaled, please move the patient tofresh air. Skin contact: rinse with soap and plenty of water. Eye contact: thoroughlyrinse with plenty of water for at least 15 minutes and consult a doctor.Ingestion: rinse mouth with water and consult a doctor.
