1. Synthesis Technology and Quality Advantages
IOTA-233 hydrogen-terminated phenyl polysiloxane (CAS: 68952-30-7) is a high-purity special raw material developed for the modification of phenyl silicone systems. Adopting controlled polymerization and precise hydrogen-termination synthesis technology, it belongs to high-stability T-type polysiloxane derivatives. The molecular weight is strictly controlled within 550~3000 with concentrated molecular weight distribution, ensuring tiny performance differences between batches and meeting the quality consistency requirements of continuous industrial production.
The finished product is a colorless transparent viscous fluid with high purity. After multiple purification and filtration processes, trace impurities and inert components generated during production are removed, ensuring pure and stable chemical activity. Under sealed normal temperature storage, the product has low volatility and long activity retention time, without deterioration or deactivation. It is suitable for bulk procurement and long-term storage of enterprises, supporting stable and continuous industrial production operations.
2. Key Physical and Chemical Parameters and Process Adaptability
The product’s physical and chemical parameters are highly flexible and adaptable to diverse production processes. With a specific gravity of 1.00-1.01, it can be uniformly fused with various silicone substrates without delamination or sedimentation, maintaining long-term stability of the formula system. The refractive index of 1.46-1.52 at 20℃ guarantees uniform optical properties, making it suitable for the production of optical-grade and high-transparency silicone products without damaging the appearance and light transmission performance of finished products.
The adjustable viscosity range of 5~5000mm²/s at 25℃ covers the production needs of low-viscosity potting glue, medium-viscosity coating materials and high-viscosity sealing rubber. The flash point exceeding 110℃ ensures excellent thermal volatility resistance, adapting to multi-stage high-temperature processing procedures and improving production safety. The hydrogen content of 0.35-0.75% provides stable active components for crosslinking reactions, allowing flexible adjustment of product curing speed and structural density to meet customized production demands.
3. Industry Applications and Modification Effects
Effectively solving common industrial problems such as poor compatibility, uneven crosslinking and insufficient stability of modified silicone products, IOTA-233 can achieve deep integration with various silicone raw materials to build a uniform and stable reaction system. In the production of addition-cured silicone rubber, it triggers uniform crosslinking reactions, reduces product deformation and cracking, and extends the service life of rubber products.
In the field of phenyl silicone resin coatings and adhesives, the product optimizes resin film-forming performance and adhesion, enhancing the high-temperature resistance and aging resistance of coatings to maintain stable performance during long-term service. For special industrial silicone elastomers, it improves the material’s adaptability to complex working conditions including temperature alternation and mild radiation exposure. Widely applied in industrial sealing, electronic insulation, high-end coating and other fields, this product provides stable and efficient modification solutions for the upgrading of modern silicone material industry.
Phenylsilsesquioxanes hydrogen-terminated IOTA 233-IOTA
