Description

Hexanedioic Acid, Polymer With 1,4-Butanediol And Hexahydro-2H-Azepin-2-One is a specialized polyamide copolymer, also known as a nylon 6,6/6 copolymer, synthesized from adipic acid, 1,4-butanediol, and caprolactam. This engineered polymer is valued for its ability to fine-tune material properties, offering a balance of mechanical strength, thermal stability, and processing flexibility not always achievable with homopolymers. It is essential for manufacturers in the plastics, fiber, and specialty resin industries seeking to develop high-performance materials for demanding applications.

Application

• Engineering Plastics: Used as a modifier to enhance the impact resistance, flexibility, and thermal properties of nylon resins for automotive components, electrical connectors, and industrial gears.
• High-Performance Fibers: Serves as a key material in the production of specialized textile and industrial fibers requiring improved dyeability, elasticity, or moisture management.
• Films and Packaging: Employed in the manufacture of biaxially oriented or cast films that demand excellent barrier properties, toughness, and clarity for technical packaging.
• Adhesives and Coatings: Acts as a resin component in formulations requiring strong adhesion, chemical resistance, and durability on various substrates.
• 3D Printing Filaments: Utilized in fused deposition modeling (FDM) to produce filaments with enhanced layer adhesion, reduced warpage, and superior mechanical performance for functional prototypes.
• Monofilaments: Ideal for producing bristles, fishing lines, and surgical sutures where consistent diameter, high tensile strength, and abrasion resistance are critical.

Basic Information

Product Name	Hexanedioic Acid, Polymer With 1,4-Butanediol And Hexahydro-2H-Azepin-2-One
CAS No.	61256-56-2
Molecular Formula	(C₆H₁₀O₄ • C₄H₁₀O₂ • C₆H₁₁NO)ₙ
Molecular Weight	Polymer - varies by grade
Synonyms	Nylon 6,6/6 Copolymer; Poly(hexamethylene adipamide-co-ε-caprolactam); Adipic Acid, Polymer with 1,4-Butanediol and Caprolactam; PA 66/6; Polyamide 66/6 Copolymer; Nylon 66/6 Terpolymer; Thermoplastic Polyamide Elastomer (TPAE) based on PA 66/6
EINECS	Contact for details

Quality Control

Our production of this polyamide copolymer adheres to strict quality management systems. Each batch is characterized for critical parameters including intrinsic viscosity, melting point, amine end-group concentration, and residual monomer content to ensure consistent performance. Certificates of Analysis (COA) detailing these specifications are available upon request, providing full traceability and compliance with relevant industry standards.

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); prolonged exposure to atmospheric humidity should be avoided to prevent degradation of polymer properties.

Specification

Item	Specification
Appearance	White to off-white pellets or granules
Identification (IR)	Complies
Inherent Viscosity	1.2 - 2.0 dL/g (typical, 0.5% in m-cresol)
Melting Point (DSC)	220 - 255 °C
Moisture Content (KF)	≤ 0.5 %
Amine End Group Content	30 - 70 meq/kg
Residual Caprolactam	≤ 0.5 %

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