Description

Hexamedioic Acid, Polymer With .Alpha.-(3-Aminopropyl)-.Omega.-(5-Aminopropoxyl)-Poly(Oxy-1,2-Ethandiyl) And Hexahydro -2H-Azepin-2-One CAS NO 72608-42-5 is a specialized polyamide-based polymer, often categorized as a reactive polyamide hardener or a polymeric amine. This compound is engineered to provide enhanced mechanical properties, chemical resistance, and adhesion in cured systems. It is primarily utilized by formulators in the coatings, adhesives, and advanced composites industries seeking to improve the performance and durability of their epoxy-based products.

Application

• Epoxy Curing Agent / Hardener: A key component for curing epoxy resins, imparting flexibility, toughness, and improved chemical resistance to the final polymer network.
• High-Performance Coatings: Used in industrial, marine, and protective coatings where durability, corrosion resistance, and adhesion to difficult substrates are critical.
• Structural Adhesives & Sealants: Formulated into adhesives for aerospace, automotive, and construction applications requiring strong, resilient bonds under stress.
• Composite Materials: Serves as a matrix modifier in fiber-reinforced plastics (FRP) and composites to enhance interlaminar strength and impact resistance.
• Electrical Encapsulation & Potting: Employed in potting compounds and encapsulants for electronic components, providing excellent electrical insulation and environmental protection.
• Flooring & Civil Engineering: A component in high-strength, chemical-resistant flooring systems, grouts, and concrete repair mortars.

Basic Information

Product Name	Hexamedioic Acid, Polymer With .Alpha.-(3-Aminopropyl)-.Omega.-(5-Aminopropoxyl)-Poly(Oxy-1,2-Ethandiyl) And Hexahydro -2H-Azepin-2-One
CAS No.	72608-42-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Polyamide hardener from hexamedioic acid and polyetheramine; Polyamideamine epoxy hardener; Adipic acid, polymer with α-(3-aminopropyl)-ω-(5-aminopropoxy)poly(oxy-1,2-ethanediyl) and hexahydro-2H-azepin-2-one; Polyamide curing agent; Poly(adipic acid-co-hexamethylenediamine-co-polyetheramine); Reactive polyamide resin; Epoxy hardener PA; Polyamide adduct
EINECS	Contact for details

Quality Control

Our production of this polyamide hardener adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as amine value, viscosity, and color are rigorously tested. Certificates of Analysis (COA) documenting full specifications are available for every batch upon request, supporting 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). This product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent absorption of atmospheric moisture which can affect performance.

Specification

Item	Specification
Appearance	Viscous liquid
Color (Gardner)	≤ 6
Amine Value (mg KOH/g)	200 - 250
Viscosity @ 25°C (mPa·s)	10,000 - 30,000
Water Content (%)	≤ 0.2

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