Description

Dimethiconol/Silsesquioxane Copolymer is a specialized organosilicon polymer that combines the film-forming and conditioning properties of dimethiconol with the structural rigidity and thermal stability of a silsesquioxane cage. This unique hybrid structure matters because it delivers superior performance in demanding applications where conventional silicones may fail, offering enhanced durability and compatibility. It is primarily needed by formulators in the personal care, coatings, and high-performance materials industries seeking advanced texturizing, film-forming, and release agents.

Application

• Personal Care Products: Acts as a high-performance conditioning agent and film-former in hair care (shampoos, conditioners, styling products) and skincare (creams, lotions, sunscreens) for enhanced shine, softness, and water resistance.
• Cosmetic Formulations: Used as a texturizing agent and pigment dispersant in color cosmetics (foundations, lipsticks, mascaras) to improve spreadability, wear, and pigment suspension.
• Industrial & Protective Coatings: Imparts mar-resistance, hydrophobicity, and thermal stability to coatings for automotive, aerospace, and electronic components.
• Release Agents & Mold Lubricants: Provides excellent non-stick properties and high-temperature stability in plastic, rubber, and composite molding processes.
• Adhesives & Sealants: Functions as a rheology modifier and adhesion promoter in silicone-based formulations, enhancing cohesion and environmental resistance.
• Fiber & Textile Treatments: Applied as a durable softener and water-repellent finish for technical textiles and non-wovens.

Basic Information

Product Name	Dimethiconol/Silsesquioxane Copolymer
CAS No.	68554-67-6
Molecular Formula	Contact for details
Molecular Weight	Variable (Polymer)
Synonyms	Poly[oxy(dimethylsilylene)]/[oxy(methylsilylene)] copolymer with silanol end-blocked; Silsesquioxane, dimethylsiloxane copolymer; Dimethyl siloxane, hydroxy-terminated, polymers with methyl silsesquioxane; Silicone resin copolymer; Organosiloxane copolymer; Poly(dimethylsiloxane-co-methylsilsesquioxane); PDMS-PMSSQ copolymer; Methylated silica hybrid polymer
EINECS	Contact for details

Quality Control

Our Dimethiconol/Silsesquioxane Copolymer is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency in viscosity, silicone content, and functional group activity, meeting the specifications required for high-performance applications. Certificates of Analysis (COA) documenting key parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents. Under these conditions, the product has excellent shelf stability.

Specification

Item	Specification
Appearance	Clear to slightly hazy viscous liquid
Identification (IR)	Complies
Viscosity (25°C)	Specification available upon request
Specific Gravity (25°C)	Specification available upon request
Refractive Index (25°C)	Specification available upon request
Non-Volatile Matter (%)	Specification available upon request
Solvent Content	Specification available upon request

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.