Pentaerythritol tetrakis(3-laurylthiopropionate)
Pentaerythritol tetrakis(3-laurylthiopropionate), identified by CAS number 29598-76-3, is a high-performance, sulfur-containing secondary antioxidant widely utilized in the polymer industry. Chemically, it is a thioester characterized by its high molecular weight and low volatility, which contribute to its exceptional long-term thermal stability and resistance to extraction. This compound typically appears as a white crystalline powder or flake, offering excellent compatibility with a broad range of organic substrates and providing a reliable solution for preventing oxidative degradation.
In industrial and research contexts, this material is valued for its ability to decompose hydroperoxides formed during the autoxidation of polymers. By acting synergistically with primary hindered phenolic antioxidants, it provides superior protection against thermal degradation during both melt processing and the service life of the finished product. Its robust chemical structure ensures minimal migration and discoloration, making it a preferred choice for high-demand thermoplastic applications where durability and aesthetic integrity are paramount.
• This compound serves as a critical secondary stabilizer in polyolefin systems, including polypropylene and polyethylene, where it effectively neutralizes hydroperoxides to prevent chain scission and maintain mechanical properties during high-temperature processing.
• It is extensively employed in the formulation of engineering plastics and specialty adhesives, providing high resistance to leaching and volatility in automotive components and household appliance housings subjected to continuous thermal stress.
• The material is frequently used in combination with primary phenolic antioxidants to create synergistic stabilization packages that significantly enhance the oxidative induction time of materials like pipes, cables, and industrial films.
• Beyond standard plastics, it finds application in the stabilization of elastomers and hot-melt adhesives, where its ability to provide long-term heat stability without causing significant yellowing or odor is highly beneficial for maintaining product quality.
Product Name: Pentaerythritol tetrakis(3-laurylthiopropionate)
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