Description

Phenol, 4,4'-(1-Methylethylidene)Bis-, Polymer With (Chloromethyl)Oxirane, Triethoxyphenylsilane And 3-(Triethoxysilyl)-1-Propanamine CAS NO 139349-56-7 is a specialized organosilane-modified epoxy phenolic resin, engineered to deliver superior adhesion and chemical resistance. This advanced polymeric material is crucial for formulating high-performance coatings, adhesives, and composite matrices that require exceptional durability and substrate bonding. It is primarily sought by manufacturers in the protective coatings, aerospace, automotive, and advanced electronics industries for demanding applications.

Application

• High-Performance Protective Coatings: As a key resin component for industrial, marine, and automotive primers and topcoats requiring excellent corrosion and chemical resistance.
• Advanced Structural Adhesives: Used in formulations for bonding metals, composites, and ceramics in aerospace and automotive assembly.
• Fiber-Reinforced Composite Matrices: Serves as a polymer matrix resin for carbon fiber and glass fiber composites, enhancing interlaminar shear strength and environmental stability.
• Electronic Encapsulants and Underfills: Provides robust protection for sensitive electronic components due to its adhesion and low-stress properties.
• Specialty Molding Compounds: Utilized in the production of high-temperature, dimensionally stable parts for electrical and mechanical applications.
• Surface Modification and Coupling Agent: The silane functionality promotes adhesion between organic polymers and inorganic substrates like glass, metals, and minerals.

Basic Information

Product Name	Phenol, 4,4'-(1-Methylethylidene)Bis-, Polymer With (Chloromethyl)Oxirane, Triethoxyphenylsilane And 3-(Triethoxysilyl)-1-Propanamine
CAS No.	139349-56-7
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Polymer (Variable)
Synonyms	Epoxy Phenolic Resin Modified with Aminosilane and Phenylsilane; Silane-Modified Bisphenol A Epoxy Resin; Epoxy-Novolac Silane Adduct; Amino and Phenyl Alkoxysilane Epoxy Resin; Adhesion Promoter Resin; CAS 139349-56-7; EINECS Not Listed

Quality Control

Our production of this advanced resin adheres to strict quality management systems. Each batch is characterized for critical parameters including epoxy equivalent weight, silane content, viscosity, and thermal properties to ensure consistent performance in your formulations. Comprehensive Certificates of Analysis (COA) detailing all specification results are provided with every shipment.

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); containers must be kept tightly sealed to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	Viscous liquid to solid (color may vary)
Epoxy Equivalent Weight (EEW)	Contact for details
Viscosity @ 25°C	Contact for details
Non-Volatile Content	> 95%
Silane Content	Contact for details
Color (Gardner)	Max. value available

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