Description

3,3''5,5''-Tetramethyl-(1,1''-Biphenyl)-4,4''-Diol, Polymer With (Chloromethyl)Oxirane is a specialized polymeric compound derived from a tetramethyl biphenol and epichlorohydrin, known for its high-performance thermosetting properties. This product is engineered to deliver exceptional thermal stability, chemical resistance, and mechanical strength in demanding industrial applications. It is a critical raw material for manufacturers in the advanced epoxy resin, electronics encapsulation, and high-temperature composite sectors.

Application

• Advanced Epoxy Resin Formulation: Serves as a key monomer or hardener for high-performance, heat-resistant epoxy systems used in aerospace and automotive composites.
• Electronic Encapsulants & Underfills: Provides excellent dielectric properties and thermal endurance for protecting sensitive semiconductor devices and integrated circuits.
• High-Temperature Adhesives: Used in formulations for structural adhesives that must maintain integrity in extreme thermal environments.
• Composite Matrix Resins: Acts as a polymer matrix for carbon fiber and fiberglass reinforcements in lightweight, strong components.
• Protective Coatings: Imparts superior chemical and abrasion resistance in industrial and marine coating applications.
• Specialty Molding Compounds: Utilized in transfer and compression molding for electrical insulators and engineering plastic parts.

Basic Information

Product Name	3,3''5,5''-Tetramethyl-(1,1''-Biphenyl)-4,4''-Diol, Polymer With (Chloromethyl)Oxirane
CAS No.	66055-62-7
Molecular Formula	(C16H18O2·C3H5ClO)n
Molecular Weight	Polymeric substance (Contact for details)
Synonyms	Poly[(oxy(methyl)ethylene)oxy-1,4-phenylenebis(1-methylethylidene)-1,4-phenylene]; Tetramethylbiphenol Epichlorohydrin Polymer; Bisphenol TMC Epichlorohydrin Resin; 4,4'-(1-Methylethylidene)bis[2,6-dimethylphenol] polymer with (chloromethyl)oxirane; TMBP-ECH Polymer; Epoxy resin based on tetramethyl biphenol; High-performance epoxy prepolymer; Thermosetting biphenyl epoxy oligomer
EINECS	Contact for details

Quality Control

Our production of 3,3''5,5''-Tetramethyl-(1,1''-Biphenyl)-4,4''-Diol, Polymer With (Chloromethyl)Oxirane adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including determination of epoxy equivalent weight (EEW), viscosity, and thermal properties, to ensure consistency and performance. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee compliance with your technical 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). Keep away from heat sources, open flames, and incompatible materials such as strong acids, bases, and oxidizing agents. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	Pale yellow to amber solid or viscous liquid
Epoxy Equivalent Weight (EEW)	Contact for details
Viscosity (at 25°C)	Contact for details
Softening Point / Melting Range	Contact for details
Color (Gardner)	≤ 4
Hydrolyzable Chloride	≤ 500 ppm
Total Chloride	≤ 1000 ppm
Volatile Content	≤ 1.0%

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