optical brightener OB-1
Optical brightener OB-1 is mainly used for lanon and widely applied to ABS, PS, HIPS,PA,PC, EVA and hard PVC etc. Optical brightener
chemical name: 2,2-(4,-4'-vinyl biphenyl) dual benzoxazole
CAS No: 1533-45-5
Structural NO.: C.I.393
Molecular formula: C28H18N2O2
Molecular weight: 414.4
Appearance: Yellowish Green granule
Melting point: 353-359 oC
Purity:99.0% min
Application: It's highly efficient fluorecent whitening agent for PET,PBT, PP fibers, widely applied to ABS, PS, HIPS,PA,PC, EVA and hard PVC etc.
optical brightener OB-1
