Description

Siloxanes and Silicones, di-Me, di-Ph, polymers with Ph silsesquioxanes, methoxy-terminated, reaction products with adipic acid-diethylene glycol-isophthalic acid-trimethylolethane-trimethylolpropane polymer is a specialized, high-performance hybrid polymer that combines the thermal stability and flexibility of silicones with the robust mechanical properties of organic polyester/polyol networks. This engineered material matters for formulators seeking to enhance the durability, weatherability, and adhesion of coatings and elastomers under demanding conditions. It is critically needed by industries focused on advanced protective coatings, high-temperature resistant sealants, and specialty adhesives where conventional polymers fall short.

Application

• High-Performance Protective Coatings: Used as a key resin modifier in industrial, marine, and automotive coatings to improve flexibility, corrosion resistance, and UV stability.
• Thermally Stable Sealants and Adhesives: Serves as a base polymer for sealants and adhesives in aerospace, automotive, and construction applications requiring long-term performance at elevated temperatures.
• Engineered Elastomers: Incorporated into silicone-organic hybrid elastomers to enhance tear strength, compression set, and chemical resistance.
• Electronic Encapsulants and Potting Compounds: Provides excellent electrical insulation and environmental protection for sensitive electronic components.
• Fiber and Fabric Treatment: Imparts durable water repellency, softness, and thermal protection to technical textiles and glass fibers.
• Mold Release Agents and Industrial Lubricants: Formulated into non-stick coatings and high-temperature lubricants for manufacturing processes.

Basic Information

Item	Details
Product Name	Siloxanes and Silicones, di-Me, di-Ph, polymers with Ph silsesquioxanes, methoxy-terminated, reaction products with adipic acid-diethylene glycol-isophthalic acid-trimethylolethane-trimethylolpropane polymer
CAS No.	103070-01-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Polymer of adipic acid, diethylene glycol, isophthalic acid, trimethylolethane, trimethylolpropane with methoxy-terminated diphenyl dimethyl polysiloxane and phenyl silsesquioxane; Silicone-organic hybrid polymer; Methoxy-terminated silicone polyester copolymer; Phenyl-modified silicone resin hybrid; CAS 103070-01-5
EINECS	Contact for details

Quality Control

Our production of this specialty hybrid polymer adheres to stringent quality management systems to ensure batch-to-batch consistency and performance reliability. Each lot undergoes comprehensive analysis, including determination of viscosity, solids content, functional group content, and thermal stability. A Certificate of Analysis (COA) documenting all critical parameters is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. This material is hygroscopic (moisture-sensitive). Store in a cool, dry, well-ventilated area at room temperature (15-25°C/59-77°F). Keep the container tightly sealed when not in use to prevent moisture absorption and contamination. Store away from strong alkalis and incompatible organic solvents.

Specification

Item	Specification
Appearance	Viscous liquid to semi-solid
Color	Colorless to pale yellow
Solid Content	Contact for details
Viscosity (25°C)	Contact for details
Methoxy Content	Contact for details
Volatile Content	≤ 2.0%

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