Product Overview

Epoxy-terminated phenyltrisiloxane IOTA 279, also known as epoxy phenyl silicone oil, is a high-performance organosilicon compound. With its unique chemical structure and diverse properties, it has opened up new avenues in the field of material modification. This product not only provides new modification paths for polymers such as epoxy resins, polyurethanes, and polycarbonates but also significantly enhances their mechanical and physical properties.

Product Characteristics

IOTA 279 stands out due to its multiple characteristics that make it an ideal choice for material modification. Firstly, it can serve as a component of epoxy resins, directly participating in the curing reaction to improve the flexibility of epoxy resins. Secondly, as a reactive modifier for polyurethanes and polycarbonates, it effectively enhances the cohesive energy of these materials, granting them better performance at high and low temperatures. Additionally, IOTA 279 imparts excellent electrical insulation and atomic oxygen resistance to epoxy resins, expanding their applications in electronics and aerospace.

Technical Specifications and Composition

IOTA 279 appears as a colorless to light yellow transparent liquid, with an epoxy equivalent weight ranging from 260 to 340 g/equ. Its refractive index at 25℃ is 1.474, and its viscosity ranges from 15 to 30 cst. The main component is phenyltrisiloxane with glycidyl groups at both ends, and it is solvent-free, ensuring the purity and stability of the product.

Applications and Usage Methods

IOTA 279 plays a crucial role in modifying epoxy resins, polyurethanes, and polycarbonates. As a toughening and water-repellent component, it participates in curing or polymerization reactions, significantly improving the mechanical and physical properties of the finished products. When used for epoxy resin modification, it can be directly added to the prepolymer for curing. For polyurethane modification, it can react with amines for chain extension or undergo acid ring-opening with isocyanate groups for molding. For polycarbonate modification, it can participate in copolymerization directly or be added during molding processing.

Conclusion

Epoxy-terminated phenyltrisiloxane IOTA 279, with its unique properties and broad application prospects, has become a new favorite in the field of material modification. Whether enhancing the mechanical properties of materials or improving their physical characteristics, IOTA 279 provides strong support. Choosing IOTA 279 means choosing an efficient and reliable material modification solution.