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Chemical Compositions |
2,2'-(4.4'-diphenol vinyl)di-henzoxazol |
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CAS NO. |
1533-45-5 |
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Molecular Formula |
C28H18N2O2 |
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Features |
Yellow-green crystalline powdery solid. Insoluble in water. Has good heat resistance, especially suitable for processing polyester and resin with high Melting point, with excellent whitening effect, low dosage. |
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Technical index |
Melting point 353 -359 ℃ Maximum fluorescence emission wavelength 434nm |
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Main application |
Widely used in ABS, PS, HIPS, PA, PC, PP, EVA and rigid PVC and other plastics. Can withstand 375 ℃ high temperature, especially for high temperature processing engineering plastic products and fiber products. For PE and soft PVC using fluorescent whitening agent OB-1, special attention should be paid to the amount , excessive use of whitening agent will occur migration. |
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Recommended dosage |
0.0025-0.025%, not more than 0.03% |
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Packing |
10 kg cartons lined with plastic bag. |
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Storage |
Keep away from heat and heat and avoid exposure. No direct contact with acid and alkali or mixed. Shelf life is two years. |