Optical Brightener OB-1

详情

Chemical name:2,2'-(1,*-Ethenediyldi*4,*-phenylene)bisbenzoxazole, 2,2'-(Vinylenedi-p-phenylene)bisbenzoxazole Synonym:Optical Brightener OB*1, Fluorescent Whitening Agent OB*1, Fluorescent Brightener OB*1, UVITEX OB-ONE , Optical Brightening Agent OB*1, C.I.**3 Structural formula: Molecular weight: **4.4 CAS No.: ********5 EINECS: ********3 C. I.: **3 Properties: Yangcun Fluorescent Whitening Agent OB*1 is one superior bisbenzoxazole compound, can dissolve in such high boiling point solvents as trichlorobenzene, diphenyl ether,etc.; Because this product has high melting point and strong stability,so it has very good heat resistance; Because this product's hydrophobic nature, so it has good light fastness; and for it has strong fluorescence, it can not only improve the whiteness of the products but also can improve the brightness, so it can be used as disperse dyes in the chemical fibre, can be used like oil dissolving coloring agent in the plastics. Specifications: Appearance: Yellowish green powder Melting point: ******1�C Assay: *8% min Ash: 0.1%max. Volatile Content: 0.5%max Particle Size: **0meshes Application: Yangcun Fluorescent Whitening Agent OB*1 is especially suitable for shaping various kinds of plastics and their products under high temperature. It has an extra ideal whitening effect on polyester-cotton blend fabric. It is widely used in variety of polymer substance, especially polyester fiber, PP fiber. It also can be used in plastic material such as PVC, ABS, EVA, PS, etc. This whitening agent is similar to Whitex SNK, Uvitex ERT and Eastobrite OB*1. Package: Packing in *5kg fiber drum or according to the requirement of the customers