In the realm of material science and product formulation, protecting valuable assets from the insidious effects of ultraviolet (UV) radiation is a constant challenge. For industries relying on polymers, coatings, and adhesives, maintaining material integrity, color, and functionality under prolonged sun exposure is critical. Among the arsenal of protective additives, UV absorbers are indispensable. This article delves into the technical advantages of 2,4-Dihydroxybenzophenone (CAS 131-56-6), a widely utilized and highly effective UV absorber, explaining why it is a go-to solution for many professional formulators.

Understanding the Mechanism of UV Absorption

UV absorbers function by preferentially absorbing UV radiation and then dissipating the energy as heat, thereby preventing it from initiating photodegradation reactions within the polymer matrix. This process is vital for preventing chain scission, cross-linking, and the formation of chromophores that lead to yellowing and loss of mechanical properties. The effectiveness of a UV absorber is often measured by its absorption spectrum and its ability to withstand prolonged exposure without degrading itself.

Technical Merits of 2,4-Dihydroxybenzophenone

2,4-Dihydroxybenzophenone (CAS 131-56-6) offers a compelling combination of technical features that make it a superior choice for many applications. Its molecular structure, characterized by hydroxyl groups adjacent to the carbonyl, facilitates efficient UV absorption and photostability.

  • Optimal Absorption Range: It exhibits strong absorption in the UVA and UVB regions, typically between 280-340 nm. This broad range effectively covers the most damaging wavelengths of solar radiation, providing comprehensive protection.
  • High Purity and Assay: As a premium UV absorber supplier, we provide 2,4-Dihydroxybenzophenone with an assay of 99% minimum. This high purity ensures predictable performance and consistent results in your formulations.
  • Exceptional Polymer Compatibility: Its compatibility with numerous polymer systems is a significant advantage. It integrates seamlessly into PVC, polystyrene, polyolefins, acrylics, polycarbonates, polyesters, and elastomers, making it a versatile additive for various manufacturing processes.
  • Preventing Yellowing and Degradation: Formulators specifically choose this compound to combat yellowing in materials like polystyrene and to maintain the optical clarity and mechanical strength of polymethacrylates. It acts as a robust light stabilizer, extending the aesthetic and functional lifespan of finished products.
  • Thermal Stability: With a melting point typically between 142-146°C, it can withstand standard processing temperatures encountered in many polymer extrusion and molding operations.

Why Purchase from a Reputable Manufacturer?

When seeking to buy 2,4-Dihydroxybenzophenone for critical applications, partnering with a reputable manufacturer in China like us is paramount. We ensure that our product meets stringent quality control standards, evidenced by technical specifications such as low loss on drying (≤0.5%) and minimal residue on ignition (≤0.5%). This guarantees that you receive a product that performs reliably and consistently, batch after batch. For those inquiring about 2,4-Dihydroxybenzophenone price, our commitment to efficient manufacturing allows us to offer competitive rates without compromising quality.

In summary, the technical prowess of 2,4-Dihydroxybenzophenone makes it a cornerstone additive for UV protection. Its effective absorption spectrum, broad compatibility, and ability to enhance material longevity are critical benefits for any formulator. By choosing to purchase this UV absorber from a trusted supplier, you invest in the quality and durability of your products.