Trade name Phenyl salicylate
Ingredients Phenyl o-hydroxybenzoate
Performance and use Colorless crystalline powder. It has a pleasant aromatic smell (wintergreen oil smell). The density is 1.250g/cm3, the melting point is 43, and the boiling point (1.6kPa) is 173. Easily soluble in ether, benzene and chloroform, soluble in ethanol, almost insoluble in water and glycerin. The content is 99 percent .
This product is a kind of ultraviolet absorber, used in plastic products, but the absorption wavelength range is narrow. The US Food and Drug Administration approved acrylic resin products for food contact.
Packaging, storage and transportation: Paper drum lined with plastic bag. Store and transport in accordance with general chemical regulations.
Trade name Ultraviolet absorber UV-P
Composition 2-(2ˊ-hydroxy-5ˊ-methylphenyl)benzotriazole
Performance and use Appearance is colorless or light yellow crystals. It is soluble in many organic solvents such as gasoline, benzene and acetone. The solubility in water is very small, and it will not be decomposed by concentrated alkali and concentrated acid. It can be ionized with heavy metals to synthesize salts. It can absorb ultraviolet light of 270-380nm wavelength. The melting point is 130-131.
This product is mainly used in resins such as polyester, chlorine{{0}}containing polyester, cellulose acetate, polyvinyl chloride, polystyrene, plexiglass, and polyacrylonitrile. The stability in transparent products is better than in colored products. The dosage in the product is 0. percent -0.5 percent .
Trade name Ultraviolet absorber UV-O
Composition 2,4-Dihydroxybenzophenone
Performance and use The product is light-colored needle-like crystals or white powder. Moisture <0.5%. ash="" content="" 100ml="" solvent,="" 25℃)="" acetone="" 50,="" benzene="" 1,="" ethanol="">50, water <0.5, n-heptane=""><>
This product is an ultraviolet absorber, suitable for polyvinyl chloride, polystyrene, epoxy resin, cellulose resin, unsaturated polyester, paint and synthetic rubber. The maximum absorption wavelength range is 280340nm, and the general dosage is 0.1 percent 1 percent . But the light stabilization effect of this product is not outstanding.
Safety precautions The oral LD50 of this product in white mice is 8.6g/kg body weight, and the LD50 of mice is LD502.336mg/kg body weight. No toxic effects were seen at the doses of 0.19, 0.60, and 1.90g/kg. The other two groups had an impact on the development of experimental animals and their blood phases changed.
Trade name Ultraviolet absorber UV-9
Composition 2-Hydroxy-4-methoxybenzophenone
Performance and use The product is light yellow or white crystalline powder. The density is 1.324g/cm3 (2 degree 5). The melting point is 62-66 degree . The boiling point is 150-160 degree (0.67kPa), 220 degree (2.4kPa). Soluble in most organic solvents such as acetone, ketone, benzene, methanol, ethyl acetate, methyl ethyl ketone and ethanol, but insoluble in water. The solubility of this product in some solvents (g/100g solvent, 25), in the solvent benzene 56.2, n-hexane 4.3, ethanol (95 percent ) 5.8, carbon tetrachloride 34.5, styrene 51.2, DOP 18.7.
This product is an ultraviolet absorber, suitable for polyvinyl chloride, polyvinylidene chloride, polymethyl methacrylate, unsaturated polyester, ABS resin and cellulose resin and other plastics. The maximum absorption wavelength range is 280340nm , The general dosage is 0.1 percent -1.5 percent , with good thermal stability, it will decompose at 200 degree . This product hardly absorbs visible light, so it is suitable for light-colored transparent products. The product can also be used for paint and synthetic rubber.
Safety precautions Japan and Italy stipulate that when this product is used in food{{0}}contact products, the maximum amount shall not exceed 0.3 percent .
Trade name Ultraviolet absorber UV-531
Composition 2-Hydroxy-4-n-octyloxybenzophenone
Performance and use The product is light yellow or white crystalline powder. The density is 1.160g/cm3 (25 degree ). The melting point is 48-49 degree . Soluble in acetone, benzene, ethanol, isopropanol, slightly soluble in dichloroethane, insoluble in water. The solubility of this product in some solvents (g/100 solvent, 25 degree ), in the solvent acetone is 74, benzene 72, methanol 2, ethanol (95 percent ) 2.6, n-heptane 40, n-hexane 40.1, water 0.5.
This product is an ultraviolet absorber that can strongly absorb ultraviolet rays with a wavelength of 240340nm. It can be used for various plastics, especially polyethylene, polypropylene, polystyrene, ABS resin, polycarbonate, polyvinyl chloride and resin. Good compatibility and low volatility. The general dosage is 0.1 percent to 1 percent . It has a good synergistic effect when used with a small amount of 4,4-thiobis(6-tert-butyl-p-cresol). This product can also be used as a light stabilizer for various coatings.
Safety precautions This product has low toxicity, and many countries permit it to be used in plasticized products that contact food, such as the United States for polyolefins, the United Kingdom (maximum use {{0}}.6 percent ), and Italy (the maximum use for polyethylene and polypropylene is 0.5 percent ), the dosage in Japan is: polyethylene 0.5 percent , polypropylene 1 percent , AS resin and ABS resin 0.5 percent , polyvinyl chloride 0.2 percent (not in contact with oily foods or foods with more than 20 percent ethanol content).
Trade name UV absorber UVP-327
Composition 2-(2'-Hydroxy-3',5'-di-tert-phenyl)-5-chlorobenzotriazole
This product is an ultraviolet absorber, its characteristics and uses are similar to UV-326, it can strongly absorb ultraviolet rays with a wavelength of 270-380nm, has good chemical stability, and has very low volatility. Good compatibility with polyolefins. Especially suitable for polyethylene and polypropylene. In addition, it can also be used for polyvinyl chloride, polymethyl methacrylate, polyoxymethylene, polyurethane, unsaturated polyester, ABS resin, epoxy resin and cellulose resin. This product has excellent heat sublimation resistance, washing resistance, gas fading resistance and mechanical property retention. Combined use with antioxidants is a significant synergistic effect. To improve the thermal oxygen stability of products. The general dosage of this product in plastics is 1 percent to 3 percent .
Safety precautions This product has low toxicity. Japan, the United States, France, and Italy allow this product to be used in food{{0}}contact polyolefin plastics. The maximum amount is 0.5 percent . For other food-contact plastics, the maximum amount specified in Italy is 0.2 percent , 0.5 percent in Japan and France.
Trade name UV absorber RMB
Ingredients Resorcinol monobenzoate
Performance and use The product is white crystalline powder. Melting point is 132-135 degree , boiling point is 140 degree (20Pa). The bulk density is 0.68g/cm3 (20 percent ). Soluble in acetone and ethanol, slightly soluble in benzene, water, n-heptane, etc.
This product is an ultraviolet light stabilizer, and its performance is similar to that of benzophenone light stabilizers. Mainly used for polyvinyl chloride, cellulose resin, polystyrene, the general dosage is 1 percent to 2 percent .
Trade name Light stabilizer AM-101
Composition 2,2'-thiobis(4-tert-octylphenoxy) nickel
Performance and use The product is a green powder. The absorption peak in the ultraviolet region is 290nm (in chloroform), which is suitable for polyolefin plastics such as polyethylene and polypropylene, and has a particularly good light stabilization effect on films and fiber products. And can improve processing performance. This product has a good synergistic effect when used with ultraviolet absorbers. Or further improve the light stabilization performance. Its main disadvantage is that the color is darker, which makes the product color, and at the same time, it assists the antioxidant effect with thioesters at high temperature to make the product gray and black.
Safety precautions This product is toxic, so be careful when using it.
Trade name Light stabilizer GW-540
Ingredients Three (1,2,2,6,6-pentamethylpiperidinyl) phosphite
Performance and use The product is white crystalline powder. The melting point is 122-124 degree . Soluble in solvents such as ethanol, chloroform, acetone, benzene, etc., but hardly soluble in water.
This product is a hindered light stabilizer. It does not have the ability to absorb ultraviolet rays, but it can capture active free radicals generated by polymer degradation, decompose hydroperoxides and transfer the energy of excited molecules, etc. The light stabilizing effect is general ultraviolet rays. 24 times the absorbent. This product is suitable for polyethylene, polyethylene and other plastics. It has good compatibility with resins and good processing performance. In addition to light stabilization, it also has good thermal and oxygen aging resistance. However, this product has poor heat resistance and is not suitable for long-term use in hot water media. In addition, the product is best processed and used at a temperature below 270 degree . The weight loss is more serious when the temperature exceeds this temperature.
Safety precautions The product has low toxicity.
Trade name Light stabilizer 744
Composition 4-Benzoyloxy-2,2,6,6-tetramethylpiperidine
Performance and use The product is white crystalline powder. The melting point is 95-98 degree , and the decomposition temperature is above 280 degree . It is soluble in acetone, ethanol, ethyl acetate, toluene, but insoluble in water.
This product is a hindered light stabilizer, which has almost no ability to absorb ultraviolet rays, but it can effectively capture the active free radicals generated by polymer materials under the action of ultraviolet rays, thereby exerting light stabilization effects. This product is suitable for various plastics such as polypropylene, polyethylene, polystyrene, polyurethane, polyamide and polyester, and has a particularly outstanding effect in polyolefins. The light resistance of this product is several times that of general ultraviolet absorbers. No coloring, no pollution, good heat-resistant processability, and an excellent synergistic effect when used with antioxidants and ultraviolet absorbers.
2,4,6-tris(2'n-butoxyphenyl)-1,3,5-triazine
Composition 2,4,6-tris(2'n-butoxyphenyl)-1,3,5-triazine
Performance and use The product is light yellow powder. Melting point 156165. It is soluble in hexamethylphosphoric triamide, soluble in dimethylformamide when heated, slightly soluble in n-butanol, insoluble in water.
This product is an ultraviolet absorber, which can absorb ultraviolet rays with a wavelength of 300-380nm. It is suitable for polyvinyl chloride, polyoxymethylene, chlorinated polyether and other plastics. The general dosage is 0. percent to 1 percent . Its light stabilization performance is better than UV-9 and UV-531, but the product is colored, can make the product light yellow, and the compatibility with the resin is also poor.
Trade name Light stabilizer HPT
Ingredients hexamethylphosphoric triamide
Performance and use The product is a colorless or light yellow transparent liquid. Slightly fishy and astringent. The density is 1.0253-1.0257g/cm3 (20 degree ). The freezing point is 27 degree , and the boiling point is 116-117 degree (1.48kPa). The refractive index is 1.4582-1.4589 (20 degree ). It is soluble in polar and non-polar solvents, and can be miscible with common plasticizers such as dioctyl phthalate, dioctyl sebacate, triphenyl phosphite, etc. in any ratio.
This product can be used as a polyvinyl chloride light stabilizer. It can endow products with excellent outdoor anti-aging properties, so it is known as high-efficiency weathering agent for polyvinyl chloride. Adding 2 to 5 parts of this product to the polyvinyl chloride film can not only significantly improve its weather resistance and cold resistance, but also reduce the processing temperature by about 10 degree . In addition, the product can also be used as polyamide, polyurethane, urea-formaldehyde resin, and polyamide resin. Excellent solvent for various polymer materials such as phenyl sulfide.
Safety precautions The product is non-toxic and can not be used in products that contact food, and contact with skin should be avoided.
1. Main purpose:
It can effectively absorb ultraviolet light with a wavelength of 270-380 nanometers. It is mainly used for polyvinyl chloride, polystyrene, unsaturated resin, polycarbonate, polymethyl methacrylate, polyethylene, ABS resin, epoxy resin and Cellulose resin, etc.; suitable for photosensitive materials such as color film, color film, color photographic paper and polymer and many other fields; especially suitable for colorless, transparent and light-colored products; strong absorption, high-performance UV absorber .
2. Outstanding features:
Super strong ultraviolet absorption capacity; effectively prevent ultraviolet rays from harming the skin and carcinogenicity, greatly improving the anti-aging performance of the product. It hardly absorbs visible light and is the first choice for colorless, transparent and light-colored products; it is non-flammable, non-corrosive, and has good storage stability; it has good compatibility with a variety of polymers, and has long-lasting anti-oxidation and anti-yellowing properties. Variable effect performance, can be used together with general antioxidants; extremely safe.
3. Physical and chemical indicators:
Appearance: light yellow powder Melting point: 138 degree -141 degree Ash content: Less than or equal to 0.05 percent Volatile content: Less than or equal to 0.1 percent Light transmittance: 460nm Greater than or equal to 95 percent ; 500 nm Greater than or equal to 97 percent Solubility: soluble in benzene, toluene, styrene and other solvents In, slightly soluble in ethyl acetate, petroleum ether, insoluble in water
4. How to use:
The general dosage is {{0}}.1-0.5 percent in thin products, and 0.05-0.2 percent in thick products. Adding amount under other process conditions: 0.05-0.3 percent .
