Description

Silsesquioxanes, Ph, Ethoxy-Terminated, Polymers With Ethylene Glycol, Terephthalic Acid And Trimethylolpropane CAS NO 118249-63-1 is a specialized hybrid organic-inorganic polymer, engineered to deliver exceptional thermal stability and tailored surface properties. This advanced material is crucial for formulators seeking to enhance the performance and durability of high-end coatings and composites. It is primarily utilized by manufacturers in the aerospace, electronics, and specialty chemical industries for creating high-performance protective layers and functional additives.

Application

• High-Performance Coatings: Used as a key additive to improve scratch resistance, thermal stability, and weatherability in industrial and automotive clear coats.
• Electronic Encapsulants: Serves as a component in protective resins for semiconductors and electronic components, offering excellent dielectric properties and moisture barrier performance.
• Specialty Adhesives & Sealants: Imparts enhanced flexibility, adhesion, and chemical resistance to formulations used in demanding environments.
• Advanced Composite Materials: Functions as a coupling agent or matrix modifier to improve the interfacial bonding between organic polymers and inorganic fillers or fibers.
• Optical Materials: Utilized in the formulation of high-refractive-index lenses, waveguides, and other optical components due to its tunable hybrid structure.
• Release Coatings: Applied in the production of non-stick surfaces for molds and industrial processing.

Basic Information

Product Name	Silsesquioxanes, Ph, Ethoxy-Terminated, Polymers With Ethylene Glycol, Terephthalic Acid And Trimethylolpropane
CAS No.	118249-63-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Phenyl Silsesquioxane Ethoxy-Terminated Copolymer; Poly(phenylsilsesquioxane-co-ethylene glycol terephthalate-co-trimethylolpropane); Hybrid POSS-Polymer; Ethoxy-Functionalized Phenyl POSS Oligomer; Polyhedral Oligomeric Silsesquioxane Copolymer; Phenyl-T8 Silsesquioxane Derivative; Inorganic-Organic Hybrid Resin; Silicon-Based Hybrid Polymer
EINECS	Contact for details

Quality Control

Our production of this advanced hybrid polymer adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot undergoes comprehensive analysis, including determination of functional group content, molecular weight distribution, and thermal properties. A Certificate of Analysis (COA) detailing all relevant specifications is provided with every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. This material is hygroscopic (moisture-sensitive). Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Viscous liquid to solid
Color	Colorless to pale yellow
Identification (IR)	Conforms to structure
Solid Content	≥ 95%
Ethoxy Content	Contact for details
Viscosity (25°C)	Contact for details
Thermal Decomposition Onset (TGA)	> 300°C
Moisture Content (KF)	< 0.5%

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