Description

Phenol,4,4'-(1-Methylethylidene)Bis-,Polymer With(Chloromethyl)Oxirane And 4,4'-Sulfonylbis(Phenol) is a high-performance, multifunctional epoxy resin intermediate. This compound is engineered to provide enhanced thermal stability, chemical resistance, and mechanical properties in advanced polymer formulations. It is a critical raw material for manufacturers in the aerospace, electronics, and high-performance coatings industries seeking to develop materials for demanding environments.

Application

• Advanced Composite Matrices: Used as a key component in formulating high-strength, lightweight composites for aerospace and automotive structural parts.
• Electronic Encapsulants & Underfills: Serves in the production of epoxy molding compounds (EMCs) for semiconductor packaging, offering excellent moisture resistance and low thermal expansion.
• High-Temperature Adhesives: A vital ingredient in adhesives and bonding agents designed for elevated temperature applications.
• Protective & Industrial Coatings: Imparts superior chemical and corrosion resistance in coatings for pipelines, chemical processing equipment, and marine environments.
• Engineering Thermoplastics: Acts as a modifier or cross-linking agent to enhance the thermal and mechanical performance of specialty plastics.

Basic Information

Product Name	Phenol,4,4'-(1-Methylethylidene)Bis-,Polymer With(Chloromethyl)Oxirane And 4,4'-Sulfonylbis(Phenol)
CAS No.	37702-97-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Epoxy Novolac Resin (Tetraglycidyl Diaminodiphenyl Methane type); TGDDM; Tetraglycidyl-4,4'-Diaminodiphenylmethane Epoxy Resin; Araldite MY 720; Epoxy Resin DER 542; 4,4'-Methylenebis(N,N-diglycidylaniline); 1,3-Bis(4-glycidyloxybenzene)propane polymer with 4,4'-sulfonyldiphenol; Bisphenol A Epoxy Novolac.
EINECS	Contact for details

Quality Control

Our production of this advanced epoxy intermediate adheres to strict quality management systems, ensuring batch-to-batch consistency for critical applications. Quality is verified through comprehensive analytical testing, including epoxide equivalent weight (EEW), viscosity, and purity analysis. Certificates of Analysis (COA) detailing all relevant specifications are provided with every shipment to guarantee compliance with your 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). This material is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Amber to dark brown viscous liquid or solid
Epoxide Equivalent Weight (EEW)	Contact for details
Viscosity (at 25°C)	Contact for details
Color (Gardner)	≤ 12
Hydrolyzable Chloride	≤ 1000 ppm
Volatile Content	≤ 1.0 %
Softening Point	Contact for details

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