Description

Siloxanes and Silicones, di-Me, polymers with Me silsesquioxanes, 2,2-dimethyl-1-(1-methylethyl)-3-(2-methyl-1-oxopropoxy)- and 2,2,4-trimethyl-3-(2-methyl-1-oxopropoxy)pentyl group-terminated is a specialized, high-performance silicone-based polymer designed for advanced material science applications. This compound is valued for its unique hybrid structure, which combines the flexibility and thermal stability of polydimethylsiloxane (PDMS) with the enhanced mechanical properties and compatibility offered by the methacryloxy and silsesquioxane functional groups. It is essential for formulators and manufacturers seeking to create durable, high-performance coatings, adhesives, and composites. Key industries that rely on this material include advanced electronics, automotive, aerospace, and high-end industrial coatings.

Application

• High-Performance Release Coatings: Used as a key component in non-stick, high-temperature resistant release liners for labels, tapes, and industrial molding processes.
• Advanced Electronic Encapsulants & Potting Compounds: Provides excellent dielectric properties, moisture resistance, and thermal stability for protecting sensitive electronic components.
• Specialty Adhesives & Sealants: Imparts enhanced adhesion, flexibility, and environmental resistance in formulations for demanding automotive and aerospace applications.
• UV-Curable Coating Resins: Serves as a reactive oligomer in radiation-curable coatings for plastics, metals, and optical fibers, offering fast cure and superior surface properties.
• Composite Material Modifier: Used as an additive or coupling agent to improve the interfacial adhesion and mechanical performance of fiber-reinforced plastics and other composites.
• Mold-Making and Tooling Resins: Employed in formulations requiring high dimensional stability, low shrinkage, and easy demolding for precision molds.

Basic Information

Product Name	Siloxanes and Silicones, di-Me, polymers with Me silsesquioxanes, 2,2-dimethyl-1-(1-methylethyl)-3-(2-methyl-1-oxopropoxy)- and 2,2,4-trimethyl-3-(2-methyl-1-oxopropoxy)pentyl group-terminated
CAS No.	142657-61-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Methacryloxypropyl-terminated polydimethylsiloxane-co-methylsilsesquioxane; Methacryloxy-functional silicone resin; Methacryloxypropyl T-structure silicone; UV-curable silicone oligomer; Acrylated silicone polymer; Silicone methacrylate copolymer; PDMS-MA; Reactive silicone intermediate
EINECS	Contact for details

Quality Control

Our production of this advanced silicone polymer adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure consistent performance, including verification of functional group content, viscosity, and purity. Certificates of Analysis (COA) detailing specific batch results are provided and can be tailored to meet customer-specific requirements. We operate in compliance with ISO 9001 standards, ensuring traceability and reliability for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is compatible with strong acids and organic solvents but should be stored separately from strong oxidizing agents. For long-term storage under inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	Clear, viscous liquid
Identification (IR)	Conforms to structure
Viscosity (25°C)	Contact for details
Methacryloxy Content	Contact for details
Non-Volatile Matter	> 98%
Color (Gardner)	≤ 2
Refractive Index (25°C)	Contact for details

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