Diol hydroxyl single-end long-chain alkyl silicone oil IOTA 2866 represents an innovative silicone prepolymer that combines a unique mono-ended dihydroxy termination with long-chain alkyl modification, endowing the product with exceptional chemical reactivity and physical properties. With an average molecular weight of 4250, this material presents as a colorless to pale yellow transparent liquid with a viscosity range of 800-1800 cst at 25°C. It contains 0.8% hydroxyl content and maintains a solid content of 96.00±3.00%.

The sophisticated molecular architecture of IOTA 2866 successfully integrates the backbone characteristics of polysiloxanes with the lubricating properties of long-chain alkyl groups. This hybrid structure preserves the inherent advantages of silicone materials, including temperature resistance, low surface tension, and chemical stability, while incorporating the excellent lubricity and compatibility with organic materials characteristic of long-chain alkyl groups. The dihydroxy functional groups at the molecular terminus provide high reactivity with various chemical groups, particularly with isocyanate and carboxyl groups, offering extensive possibilities for material modification.

IOTA 2866 demonstrates remarkable performance enhancements across multiple applications. The product significantly improves wear resistance of resins or coatings while providing excellent hand feel and smoothness. Its outstanding anti-stick, anti-stain, and anti-graffiti properties make it particularly valuable for surfaces requiring easy cleaning and maintenance. The compatibility with various resin systems, combined with low surface tension that promotes leveling and flow, positions IOTA 2866 as a versatile additive for advanced coating systems.

In the synthesis of silicon PU resins and emulsions, IOTA 2866 exhibits versatile application methods. It can react with isocyanate to synthesize isocyanate-terminated prepolymers, followed by polyol chain extension reactions. Alternatively, it can be added simultaneously with polyols for copolymerization. Specific process parameters require precise control to ensure complete reaction and optimal product performance.

For modifying polyester, polyurethane, and urethane acrylate resins, IOTA 2866 substantially enhances surface characteristics and mechanical properties. The product enables the production of resins with improved durability and functionality, expanding their application scope and service life. In two-component PU paints and amino baking varnishes, the incorporation method is straightforward, requiring only dispersion into the main resin system.

The innovative value of IOTA 2866 lies in its multifunctional characteristics and broad applicability. This structural innovation provides superior performance benefits compared to conventional double-ended hydroxy silicone oils and standard long-chain alkyl silicone oils. The product ensures sufficient reactive sites at the molecular chain end while enhancing lubricity and compatibility with organic systems through the incorporation of long-chain alkyl groups.

From an industrial perspective, IOTA 2866 offers substantial value in developing high-performance coatings, resins, and emulsion systems where enhanced durability, surface properties, and functionality are required. The product is packaged in standard industrial containers, should be stored in proper conditions, and is transported as non-dangerous goods with a practical shelf life. These features ensure convenience and safety during transportation, storage, and usage, supporting large-scale industrial applications across various sectors including automotive, construction, and industrial coatings.