Siloxanes and silicones, di-Me, methoxy Ph, polymers with adipic acid, methoxy-terminated Ph silsesquioxanes, neopentyl glycol, phthalic anhydride and trimethylolpropane CAS NO 153699-18-4

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CAS No.:153699-18-4

Grade:Pharmacy Grade

Content:99.9%

Brand:Customizable

Packaging:Customizable

Description

Siloxanes and silicones, di-Me, methoxy Ph, polymers with adipic acid, methoxy-terminated Ph silsesquioxanes, neopentyl glycol, phthalic anhydride and trimethylolpropane is a specialized, high-performance hybrid polymer designed for advanced material science applications. This compound matters for its unique combination of silicone flexibility, silsesquioxane cage structure rigidity, and polyester functionality, enabling the creation of materials with tailored thermal, mechanical, and surface properties. It is primarily needed by formulators and researchers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as in the development of specialty composites and high-temperature resins.

Application

As a key modifier in high-performance industrial and protective coatings to enhance thermal stability, weatherability, and chemical resistance.
As a crosslinking agent or additive in specialty silicone and hybrid adhesives & sealants for aerospace, automotive, and construction applications.
In the formulation of advanced composite matrices to improve interfacial adhesion between fibers and the polymer resin.
As a building block for high-temperature resistant elastomers and encapsulants in electronics and electrical insulation.
For developing release coatings and non-stick surfaces with improved durability and performance.
As a reactive intermediate in the synthesis of custom oligomers and polymers with precise architectural control for R&D purposes.

Basic Information

Item	Details
Product Name	Siloxanes and silicones, di-Me, methoxy Ph, polymers with adipic acid, methoxy-terminated Ph silsesquioxanes, neopentyl glycol, phthalic anhydride and trimethylolpropane
CAS No.	153699-18-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Methoxyphenyl silsesquioxane-polyester-silicone copolymer; Poly(siloxane-co-silsesquioxane) modified with adipic acid, neopentyl glycol, phthalic anhydride and trimethylolpropane; Hybrid silicone-polyester resin; Phenyl T methoxy silsesquioxane polyester silicone copolymer; Silicone-modified polyester resin with silsesquioxane; CAS 153699-18-4
EINECS	Contact for details

Quality Control

Our production of this advanced hybrid polymer adheres to a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistency in composition, functionality, and performance. A comprehensive Certificate of Analysis (COA) detailing key parameters such as methoxy content, viscosity, and residual solvents is provided with each shipment to guarantee it meets your specific formulation requirements.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed when not in use to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	Viscous liquid to solid (color may vary)
Identification (IR)	Conforms to structure
Non-Volatile Content	≥ 98.0 %
Viscosity (at 25°C)	Specified range upon request
Methoxy Content	Specified range upon request
Acid Value	≤ 5.0 mg KOH/g
Moisture Content (KF)	≤ 0.5 %