| Benzophenone-3/Oxybenzone | ||
| CAS：131-57-7 | MF：C14H12O3 | MW：228.24 |
| Ultraviolet absorber is a kind of light stabilizer, which can absorb the ultraviolet part of sunlight and fluorescent light source without changing itself. Protects plastics from photo-oxidative degradation caused by UV exposure, thereby extending product life considerably. |
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| Under sunlight and fluorescence, plastics and other polymer materials undergo auto-oxidative reactions due to the action of ultraviolet rays, resulting in degradation of polymers and deterioration of appearance and mechanical properties. |
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| After adding a UV absorber, it can selectively absorb this high-energy UV light and turn it into harmless energy for release or consumption. Different types of polymers have different wavelengths of ultraviolet rays that cause them to deteriorate. Different ultraviolet absorbers can absorb ultraviolet rays of different wavelengths. When using, the ultraviolet absorbers should be according to the type of polymer. |
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| UV absorbers should have the following conditions: ① Can strongly absorb ultraviolet rays (especially the wavelength of 290-400nm); ②Good thermal stability, it will not change due to heat even during processing, and the thermal volatility is small; ③Good chemical stability, no adverse reaction with the material components in the product; ④Good miscibility, can be evenly dispersed in the material, no frosting, no exudation; ⑤ The absorber itself has good photochemical stability, no decomposition, no discoloration; ⑥Colorless, non-toxic and odorless; ⑦Resistant to dipping; ⑧ Cheap and easy to get. |
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UV absorbers can be divided into the following categories according to their chemical structures: salicylates, benzophenones, benzotriazoles, substituted acrylonitriles, triazines and others. UV absorbers are used for Plastics, coatings, dyes, car windshields, cosmetics, pharmaceuticals, sunscreens, etc. |
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Common UV absorbers are Salicyl phenyl ester (ingredient: phenyl o-hydroxybenzoate), UV absorber UV-P (ingredients: reaction product of o-nitroaniline, p-cresol), UV Absorber UV-O (Ingredient: 2,4-Dihydroxybenzophenone), UV Absorber UV-9 (Ingredient: 2-Hydroxy-4-methoxybenzophenone), UV absorber UV-531 (Ingredient: 2-hydroxy-4-n-octyloxybenzophenone), UV absorber UVP-327 (Ingredient: 2-(2'-hydroxy-3',5'-di-tert-phenyl)-5-benzotriazole chloride), UV Absorber RMB (Ingredient: Resorcinol Monobenzoate), Light Stabilizer AM-101 (Ingredient: 2,2'-thiobis(4-tert-octylphenoxy)nickel), Light stabilizer GW-540 (ingredients: tris(1,2,2,6,6-pentamethylpiperidinyl) phosphite), Light Stabilizer 744 (Ingredient: 4-benzoyloxy-2,2,6,6-tetramethylpiperidine), Light Stabilizer HPT (Ingredient: Hexamethylphosphoric triamide) |
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Hot tags: component of Presun 30;Cyasorb uv 9;Cyasorb uv 9 light absorber;cyasorbuv9;Escalol 567;Eusolex 4360;Methanone, (2-hydroxy-4-methoxyphenyl)phenyl-;Methanone,(2-hydroxy-4-methoxyphenyl)phenyl-;oxybenzone; 2-hydroxy-4-methoxybenzophenone; 2-benzoyl-5-methoxyphenol; 4-methoxy-2-hydroxybenzophenone; Oxybenzone
