diphenylsiloxane-dimethylsiloxane copolymer
Diphenylsiloxane-dimethylsiloxane copolymer, identified by CAS 68083-14-7, is a versatile phenyl-modified silicone fluid characterized by the incorporation of phenyl groups into a polydimethylsiloxane backbone. This chemical modification significantly enhances the polymer’s thermal stability and oxidative resistance compared to standard dimethyl silicone oils. It exhibits a high refractive index and remains stable across a wide temperature range, making it a critical component in demanding industrial and research environments.
In terms of handling, this copolymer is typically a clear, viscous liquid that offers excellent lubricity and low volatility. Its chemical structure provides a unique balance of organic compatibility and inorganic durability, allowing it to function effectively as a high-temperature lubricant or a specialized dielectric fluid. The material is valued for its ability to maintain physical properties under extreme environmental stress, ensuring reliability in complex mechanical and electronic systems.
• Utilized extensively as a high-performance lubricant and hydraulic fluid in aerospace and automotive applications, where its superior thermal stability and low-temperature fluidity prevent mechanical failure under extreme operating conditions.
• Serves as a critical component in the formulation of heat transfer fluids and dielectric coolants for electronic assemblies, providing excellent insulation properties and resistance to oxidative degradation during long-term thermal cycling.
• Applied in the optical and personal care industries due to its high refractive index and compatibility with organic ingredients, enhancing the gloss and clarity of coatings, lenses, and cosmetic formulations.
• Functions as an effective release agent and processing aid in rubber and plastic manufacturing, where its low surface tension and chemical inertness facilitate clean mold separation and improve the surface finish of molded components.
Product Name: diphenylsiloxane-dimethylsiloxane copolymer
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