Description

Bisphenol A-Epichlorohydrin-4,4''-Sulfonylbis-(Benzamine) Copolymer is a high-performance specialty polymer synthesized from bisphenol A, epichlorohydrin, and 4,4'-sulfonyldianiline. This engineered material is valued for its unique combination of thermal stability, chemical resistance, and mechanical properties derived from its poly(arylene ether sulfone) and epoxy hybrid structure. It is primarily sought by manufacturers in the advanced materials sector for demanding applications where standard polymers are insufficient.

Application

• As a high-temperature adhesive and matrix resin for aerospace and automotive composites.
• In the formulation of advanced engineering plastics requiring enhanced thermal and dimensional stability.
• As a specialty coating for chemical processing equipment and electronic components.
• For manufacturing high-performance membranes used in filtration and separation technologies.
• As a modifier or additive to improve the toughness and heat resistance of other polymer systems.
• In research and development for next-generation polymeric materials with tailored properties.

Basic Information

Product Name	Bisphenol A-Epichlorohydrin-4,4''-Sulfonylbis-(Benzamine) Copolymer
CAS No.	71745-12-5
Molecular Formula	(C15H16O2·C3H5ClO·C12H12N2O2S)n
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(bisphenol A-co-epichlorohydrin-co-4,4'-sulfonyldianiline); Epoxy-modified poly(arylene ether sulfone) copolymer; BPA-ECH-DDS Copolymer; Bisphenol A/Epichlorohydrin/4,4'-Diaminodiphenyl Sulfone Copolymer; Thermosetting poly(ether sulfone) resin; CAS 71745-12-5
EINECS	Contact for details

Quality Control

Our production of Bisphenol A-Epichlorohydrin-4,4''-Sulfonylbis-(Benzamine) Copolymer adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistency in molecular weight distribution, thermal properties, and chemical composition. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory compliance needs.

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 strong oxidizing agents. As a polymeric material, prolonged exposure to high humidity or extreme temperatures should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Off-white to pale yellow powder or granules
Identification (IR)	Conforms to structure
Inherent Viscosity	0.35 - 0.65 dL/g (specified solvent)
Glass Transition Temperature (Tg)	180 - 220 °C
Residual Monomers	< 0.5% (HPLC)
Moisture Content	< 1.0% (KF Titration)
Ash Content	< 0.1%

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