Description

Siloxanes And Silicones, Di-Me, Me Ph, Polymers With Ph Silsesquioxanes is a specialized phenyl-modified silicone polymer that incorporates silsesquioxane cage structures, offering a unique combination of high thermal stability and optical clarity. This compound matters for formulators seeking to enhance the performance of high-temperature elastomers, protective coatings, and advanced optical materials. It is particularly needed by industries focused on aerospace, electronics, and specialty chemicals where materials must withstand extreme conditions without compromising physical properties.

Application

• As a high-temperature resistant component in silicone elastomers and sealants for aerospace and automotive gaskets.
• As a modifying resin in protective and release coatings to improve thermal stability and surface properties.
• As an additive in optical silicones for LED encapsulation and lens materials, enhancing refractive index and clarity.
• As a key intermediate in the synthesis of advanced hybrid organic-inorganic materials (ORMOSILs).
• As a thermal management material in electronic potting compounds and underfill applications.
• In the formulation of specialty adhesives and pressure-sensitive adhesives (PSAs) requiring elevated service temperatures.

Basic Information

Product Name	Siloxanes And Silicones, Di-Me, Me Ph, Polymers With Ph Silsesquioxanes
CAS No.	68037-67-2
Molecular Formula	Contact for details
Molecular Weight	Varies (Polymeric)
Synonyms	Phenylmethylsiloxane-dimethylsiloxane copolymer with phenylsilsesquioxane; Phenyl T- resin modified polydimethylsiloxane; Polydimethylsiloxane, polymer with polyphenylsilsesquioxane; Phenyl silsesquioxane-dimethylsiloxane copolymer; Methyl phenyl silicone resin; Phenylmethyl polysiloxane; Silicone resin containing phenyl silsesquioxane units; Phenyl-modified silicone polymer
EINECS	Contact for details

Quality Control

Our Siloxanes And Silicones, Di-Me, Me Ph, Polymers With Ph Silsesquioxanes undergoes rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. We employ advanced analytical techniques to monitor key parameters such as phenyl content, viscosity, and thermal stability. Certificates of Analysis (COA) detailing purity and 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, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids and strong bases. The product may be sensitive to moisture; ensure containers are sealed when not in use.

Specification

Item	Specification
Appearance	Clear viscous liquid to resinous solid
Phenyl Content	Contact for details
Viscosity (25°C)	Specified range available
Refractive Index (n20D)	Contact for details
Volatile Content	< 2.0%
Thermal Stability	Specification available upon request

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