Ultraviolet absorbers are a class of functional chemical additives that can effectively absorb harmful ultraviolet (UV) radiation (typically referring to UVA and UVB with wavelengths ranging from 290 to 400 nm) from sunlight and fluorescent light sources. They convert this UV radiation into harmless thermal energy or low-energy visible light for release, thereby protecting the added materials or products from UV-induced damage.
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The pharmaceutical industry uses them in the synthesis of various active pharmaceutical ingredients (APIs), including antibiotics, antiviral drugs, anticancer drugs, and drugs for chronic diseases, among others.
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UV-234 exhibits strong ultraviolet absorption within the 300鈥?00 nm range while demonstrating minimal absorption in the visible light spectrum.
UV-329 is a highly efficient UV absorber, primarily active within the 270鈥?40 nm range. It has minimal impact on visible light, making it especially suitable for colorless transparent and light-colored products.
UV-360 is a highly efficient UV absorber with strong absorbance in the 300鈥?00 nm range. Thanks to its low volatility, UV-360 can be effectively used in combination with HALS (Hindered Amine Light Stabilizers) or antioxidants
UV-928 features broad-spectrum absorption properties, providing effective protection for coatings and other light-sensitive materials. It demonstrates high solubility, excellent thermal stability, and outstanding environmental resistance.
UV-3030 is a UV absorber characterized by maximum thermal stability, minimal volatility, and no inherent color. As a result, it can be used to stabilize polymers requiring high transparency and high-temperature extrusion.
UV-3035 is widely used in plastics, coatings, dyes, automotive glass, cosmetics, and sunscreen formulations.
UV-3039 is a highly efficient, water-soluble, broad-spectrum ultraviolet absorber approved by the U.S. FDA as a Category I sunscreen agent.
2,4-Dichloro-6-(4-methoxyphenyl)-1,3,5-triazine
2,4-Dichloro-6-(4-methoxyphenyl)-1,3,5-triazine is an important intermediate in organic synthesis.聽 In the field of polymer materials, it can be used as a monomer or cross-linking agent for synthesizing high-performance polymers containing a triazine ring, such as polyimides and polyesters.
About Our Company
Xiangyang Yuchang Fine Chemical Co., Ltd.
Xiangyang Yuchang Fine Chemical Co., td. is a high-tech enterprise specializing in the production of polymer additives and various intermediates for pharmaceuticals and pesticides.
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At Yuchang Chemical, we understand that innovation is key to maintaining a competitive edge in the global market. Our state-of-the-art R&D center is staffed by a team of 30+ experienced chemists and researchers.
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Promoting green chemical engineering to protect the ecological environment
Exploring a path of green catalytic development that integrates industry, academia, and research will make greater contributions to the transformation, upgrading, and healthy sustainable development of the petrochemical industry. It can be said that the 2015 Lanzhou Forum on Green Catalytic Technology brought together industry, academia, and research. This event served not only as a conference to plan the development of the green chemical industry but also as an excellent opportunity to promote the green transformation and production transition of industries in Lanzhou and Gansu.
What anti-aging agent is suitable for acrylate rubber?
Acrylic rubber (ACM) is a specialty rubber with a saturated main chain structure, offering excellent resistance to heat, oil, ozone, and ultraviolet radiation. It is particularly suitable for manufacturing rubber products (such as oil seals, O-rings, gaskets, and hoses) used in high-temperature (<200擄C) thermal oils, lubricants containing sulfur and extreme pressure additives, as well as transformer seals and cables exposed to outdoor environments. It can replace nitrile rubber in certain applications to enhance product performance or substitute for expensive fluorocarbon rubber to reduce costs.
First Public Notice on Environmental Impact Assessment for the 500-ton/year Ultraviolet Absorber UV-234 Production Project of Xiangyang Yuchang Fine Chemical Co., Ltd.
Xiangyang Yuchang Fine Chemical Co., Ltd.
Add: No.7 Road, Economic Development Zone, XiangchengDistrict, Xiangyang, Hubei Province 441021, China
Tel:+86-(0)710-2217188 / 2217 699
Fax:+86-(0)710-2217299 / 2217 799
E-mail :market@yuchangchem.com
Web :www_yuchangchem_com.ba67.cn
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