Product Name: POLY(METHYLSILSESQUIOXANE)
Other Name: Methyl silsesquioxanes; Siliconeoilemulsion284P; POLY(METHYLSILSESQUIOXANE), 100% METHYL; PMSQ
CAS No.: 68554-70-1
Chemical Structure:
POLY(METHYLSILSESQUIOXANE) Application:
Poly(methylsilsesquioxane) (PMSQ) is a high-performance organosilicon polymer characterized by its cage-like siloxane structure and excellent stability. As a versatile specialty material, PMSQ is widely used as a functional additive, surface modifier, film-forming agent, and performance enhancer across coatings, personal care formulations, electronics, and industrial materials. The polymer’s hybrid inorganic–organic architecture provides a unique combination of low density, high thermal resistance, controlled rheology, and exceptional compatibility with both aqueous and non-aqueous systems. These characteristics make PMSQ an advanced ingredient for manufacturers seeking improved texture, durability, and formulation flexibility.
PMSQ is typically supplied as a fine powder or dispersed ingredient, depending on application requirements. The material demonstrates excellent chemical inertia, structural uniformity, and low volatility, making it suitable for a wide range of industrial and commercial formulation environments. It is particularly valued for generating soft-focus optical effects, enhancing mechanical strength, modifying tactile qualities, and improving spreadability or slip. Due to its robust performance profile, PMSQ is incorporated into high-end coating systems, specialty polymers, silicone-based product lines, and other engineered materials where long-term stability and functional reliability are essential. Key Applications:
1. Advanced Coatings and Surface Engineering
PMSQ enhances film durability, abrasion resistance, and surface uniformity in industrial coatings. Its cage-like structure supports improved hardness, anti-scratch performance, and stable matte effects. It is used in automotive coatings, protective finishes, and high-performance architectural coatings requiring programmable surface properties.
2. Rheology and Texture Modification in Formulations
As a lightweight and chemically stable polymer, PMSQ is used to adjust texture, improve thixotropy, control viscosity, and refine sensory characteristics. It is applied in silicone emulsions, polymer dispersions, specialty gels, and engineered materials where smoothness, elasticity, or slip behavior must be precisely tuned.
3. Optical Performance Additive
PMSQ contributes optical diffusion, soft-focus effects, and reduced surface glare. Due to its uniform particle morphology, it is used in functional films, elastomers, and specialty coating layers where light-scattering behavior and surface brilliance must be controlled without compromising mechanical integrity.
4. Thermal and Mechanical Enhancement in Composite Materials
With excellent heat resistance and structural stability, PMSQ is incorporated into composite materials to improve thermal endurance, mechanical rigidity, and dimensional stability. Its hybrid inorganic–organic nature supports strong compatibility with silicone networks, polymer matrices, and engineered hybrid systems.
POLY(METHYLSILSESQUIOXANE) Packaging and Shipping:
Packaging: 1kg/ bag, 25kg/ drum or as customer’s required.
Shipping : DHL/ FedEx/ Air shipping/ Ocean shipping
POLY(METHYLSILSESQUIOXANE) Storage:
Store in Dry and Ventilated place with the Room Temperature, Preserved in Original Tight-Closed containers, Keep Away from Light and Heating.
