Description

Siloxanes And Silicones, Di-Me, Me Methoxy, Methoxy Ph, Polymers With Me Ph Silsesquioxanes is a specialized organosilicon copolymer designed for high-performance applications. This material matters because it combines the thermal stability and flexibility of silicones with the enhanced compatibility and reactivity provided by methoxy and phenyl functional groups. It is particularly needed by formulators in the coatings, adhesives, sealants, and elastomers (CASE) industries seeking to improve product durability, weatherability, and adhesion to diverse substrates.

Application

• As a reactive intermediate or modifier in high-temperature resistant silicone resins and coatings.
• As a compatibilizer and adhesion promoter in specialty sealants and adhesives for construction and aerospace.
• As a key component in formulating release coatings with tailored surface properties.
• As a building block for silicone-based pressure-sensitive adhesives (PSAs) requiring enhanced performance.
• As an additive to improve the flexibility, gloss, and weather resistance of industrial and protective coatings.
• In the synthesis of advanced silicone gels and encapsulants for electronics protection.
• As a surface treatment agent to modify the properties of fillers and pigments in composite materials.

Basic Information

Product Name	Siloxanes And Silicones, Di-Me, Me Methoxy, Methoxy Ph, Polymers With Me Ph Silsesquioxanes
CAS No.	68952-93-2
Molecular Formula	Contact for details
Molecular Weight	Varies by grade and polymerization degree
Synonyms	Methoxy-Functional Phenylmethyl Siloxane Copolymer; Dimethyl, Methyl Methoxy, Methoxy Phenyl Siloxane Polymer with Methyl Phenyl Silsesquioxane; Phenylmethylsiloxane Methoxy-Terminated Copolymer; Methoxy Phenyl Silicone Fluid; Reactive Phenylmethyl Siloxane; Silicone Resin Intermediate CAS 68952-93-2; Organomodified Siloxane Polymer
EINECS	Contact for details

Quality Control

Our production of this organosilicon copolymer adheres to strict quality management systems. Each batch undergoes analytical testing to confirm key parameters such as functional group content, viscosity, and refractive index, ensuring consistent performance and batch-to-batch reliability. Certificates of Analysis (COA) detailing these specifications are available upon request to support your quality assurance protocols.

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). This material is moisture-sensitive (hygroscopic); keep containers tightly sealed when not in use to prevent absorption of atmospheric moisture which may affect reactivity.

Specification

Item	Specification
Appearance	Clear, viscous liquid
Identification (IR)	Conforms to structure
Viscosity (25°C)	Specification available upon request
Refractive Index (n20D)	Specification available upon request
Methoxy Content	Specification available upon request
Non-volatile Matter	> 98%

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