2,2-(1,4-Phenylene)bis-4H-3,1-benzoxazin-4-one: A Powerful UV Absorber and Light Stabilizer

As the world becomes more conscious of the impact of UV radiation on materials and the environment, UV absorbers and light stabilizers have become essential components in a wide range of applications. One such compound that has gained significant popularity in recent years is 2,2-(1,4-phenylene)bis-4H-3,1-benzoxazin-4-one, commonly known as UV-3638 or Cyasorb UV-3638.

Manufactured and supplied by INNO Specialty Chemicals from China, UV-3638 is a versatile compound that finds applications in various industries, including plastics, coatings, adhesives, and textiles. It is a highly effective UV absorber and light stabilizer that offers exceptional performance in protecting materials against the harmful effects of UV radiation.

UV-3638 is a member of the benzoxazine class of compounds, which are known for their high thermal stability, low volatility, and broad compatibility with various substrates. The compound's structure features a 1,4-phenylene group, which enhances its UV absorption properties and makes it highly effective in blocking UV radiation.

One of the primary applications of UV-3638 is in the plastics industry, where it is used to protect polymers from photo-degradation caused by UV radiation. The compound is highly effective in protecting polyolefins, PVC, polystyrene, and other plastics from yellowing, cracking, and loss of mechanical properties caused by exposure to sunlight.

In the coatings industry, UV-3638 is used to improve the light stability of paints, varnishes, and other coating materials. It helps to reduce the fading of colors, chalking, and other forms of degradation caused by UV radiation. The compound is also used in adhesives and sealants to improve their UV resistance and extend their service life.

UV-3638 is also finding increasing use in the textile industry, where it is used to improve the lightfastness of dyes and pigments. It helps to prevent fading and color changes in textiles caused by exposure to sunlight, heat, and other environmental factors.

The performance of UV-3638 as a UV absorber and light stabilizer is further enhanced by its excellent thermal stability and low volatility. The compound is highly resistant to heat, which makes it suitable for use in high-temperature applications such as extrusion and injection molding. It also has low volatility, which means it does not evaporate or migrate from the substrate, ensuring long-lasting protection.

In conclusion, 2,2-(1,4-phenylene)bis-4H-3,1-benzoxazin-4-one (UV-3638) is a highly effective UV absorber and light stabilizer that finds applications in various industries. It is a versatile compound that offers exceptional performance in protecting materials against the harmful effects of UV radiation. As the world becomes more conscious of the impact of UV radiation on materials and the environment, UV-3638 is set to become an essential component in many applications.

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