Antioxidant 1076, a prominent hindered phenolic antioxidant, stands as a critical component in safeguarding various organic substrates, particularly polymers, from the detrimental effects of thermo-oxidative degradation. This highly efficient stabilizer is indispensable in modern manufacturing, ensuring the longevity and optimal performance of a vast array of materials across diverse industries. Its effectiveness stems from its robust chemical structure and its ability to interrupt degradation pathways.

Chemically, Antioxidant 1076, also known by its CAS number 2082-79-3, is Octadecyl β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate. With a molecular weight of approximately 530.87, it typically presents as a white crystalline powder or granules, signifying its high purity, often exceeding 98.5%. A key characteristic is its melting range of 50-55 °C. Beyond these fundamental specifications, its performance attributes are truly remarkable. It boasts exceptional light stability, crucial for products exposed to UV radiation, and exhibits non-discoloring and non-staining properties, maintaining the aesthetic integrity of finished goods. Furthermore, its low volatility and high resistance to water extraction make it a highly durable additive, ensuring it remains effective within the material over time. Its odorless nature and excellent color retention are additional advantages that underscore its superior quality.

The primary function of Antioxidant 1076 is to protect materials against oxidative degradation. It achieves this through a dual mechanism: by scavenging free radicals that initiate degradation and by decomposing hydroperoxides, which are key intermediates in the oxidation process. This interruption of the degradation chain reaction effectively halts the breakdown of polymer chains, thereby preserving the material's mechanical and physical properties. The long-term protection offered by this antioxidant is vital for materials undergoing processing, storage, and prolonged end-use, preventing embrittlement, cracking, and discoloration.

The versatility of Antioxidant 1076 is evident in its wide range of applications. It is extensively utilized in polyolefins such as polyethylene (PE), polypropylene (PP), and polybutene. Its benefits extend to engineering plastics, styrene homo- and co-polymers (e.g., ABS, PS), polyurethanes, synthetic fibers, elastomers, adhesives, waxes, and synthetic rubber. Additionally, it plays a crucial role in petroleum products and various coating formulations. Its broad compatibility with different polymer systems makes it a preferred choice for manufacturers seeking a single, reliable solution for multiple product lines.

For optimal antioxidant performance, Antioxidant 1076 is often synergistically combined with auxiliary antioxidants, particularly phosphites and thioethers. These co-stabilizers work in conjunction with the primary hindered phenolic antioxidant to provide enhanced and comprehensive protection against thermal and oxidative stress. The typical recommended concentration for Antioxidant 1076 ranges from 0.05% to 0.5% by weight, though specific applications may require adjustment to achieve desired results. Moreover, this additive is approved by the FDA for use in indirect food contact applications, highlighting its safety and reliability in sensitive product formulations.

For businesses seeking a reliable antioxidant manufacturer, understanding the critical role of Antioxidant 1076 is paramount. Its established efficacy makes it a preferred choice for enhancing product lifespan and maintaining material quality. Those looking to buy Antioxidant 1076 will find that engaging directly with a reputable supplier ensures access to high-purity, consistent product batches. While specific price points can vary based on quantity and market conditions, investing in a high-quality antioxidant like 1076 ultimately leads to significant long-term savings by preventing material degradation and reducing product recalls. To purchase Antioxidant 1076, it is advisable to consult with experienced chemical suppliers who can provide detailed technical specifications, safety data sheets, and competitive pricing for bulk orders. Ensuring a steady supply of this essential chemical auxiliary agent is crucial for maintaining continuous production and delivering durable, high-performance products to the market.