Description

Siloxanes And Silicones, Me Ph, Methoxy Ph, Polymers With Ph Silsesquioxanes, Methoxy- And Ph Group-Terminated is a specialized organosilicon copolymer that combines the properties of siloxanes and silsesquioxanes. This unique hybrid structure provides enhanced thermal stability, mechanical strength, and compatibility with organic matrices, making it a critical performance additive. It is essential for formulators in the coatings, electronics, and advanced materials sectors seeking to improve product durability and functionality under demanding conditions.

Application

• As a high-performance additive in heat-resistant coatings and paints to enhance gloss retention and weatherability.
• As a key component in encapsulants and potting compounds for electronic devices, providing excellent dielectric properties and thermal protection.
• As a modifier in specialty silicone resins to tailor rheological properties, adhesion, and crosslink density.
• In the formulation of release coatings and pressure-sensitive adhesives (PSAs) where controlled surface energy is required.
• As a reinforcing agent in high-temperature composites and engineering plastics to improve dimensional stability.
• For surface treatment of fillers and pigments to improve dispersion and compatibility in polymer systems.

Basic Information

Product Name	Siloxanes And Silicones, Me Ph, Methoxy Ph, Polymers With Ph Silsesquioxanes, Methoxy- And Ph Group-Terminated
CAS No.	68957-06-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Phenylmethylsiloxane-methoxyphenylsilsesquioxane copolymer; Methoxy- and phenyl group-terminated siloxane-silsesquioxane polymer; Polyphenylmethylsiloxane-co-polyphenylsilsesquioxane; Silicone-silsesquioxane hybrid resin; Phenyl T-structure silicone resin; Methoxyphenyl terminated silicone copolymer; Organomodified silsesquioxane; PMPSQ copolymer
EINECS	Contact for details

Quality Control

Our production of this advanced silicone copolymer adheres to strict quality management systems. Each batch is characterized to ensure consistency in molecular weight distribution, functional group content, and viscosity. Certificates of Analysis (COA) detailing key parameters are available upon request to support your quality assurance and regulatory needs.

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 product is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to prevent moisture absorption, which may affect product performance.

Specification

Item	Specification
Appearance	Viscous liquid to resinous solid
Color	Colorless to pale yellow
Viscosity (25°C)	Contact for details
Solid Content	Contact for details
Methoxy Content	Contact for details
Phenyl Content	Contact for details
Volatile Matter	< 2.0%

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