Description

1,4-Benzenedicarboxylic Acid, Polymer With 1,2-Ethanediol And Hexanedioic Acid is a high-performance, thermoplastic copolyester resin engineered for superior material properties. This polymer is valued for its excellent balance of mechanical strength, thermal stability, and chemical resistance, making it a versatile material for demanding applications. It is primarily sought by manufacturers in the packaging, automotive, electronics, and specialty fiber industries seeking to enhance product durability and performance.

Application

• High-Performance Packaging Films: Used to produce biaxially oriented films (BOPET) for food packaging, industrial laminates, and metallized substrates requiring excellent barrier properties and dimensional stability.
• Engineering Plastics & Compounds: Serves as a key component in thermoplastic elastomers and polymer blends for automotive parts, electrical connectors, and under-the-hood components.
• Specialty Fibers and Monofilaments: Employed in the production of industrial sewing threads, conveyor belts, and technical textiles where high tenacity and resistance to abrasion are critical.
• Hot-Melt Adhesives and Coatings: Acts as a base resin for formulating adhesives and protective coatings that require good adhesion, flexibility, and heat resistance.
• Polymer Modification: Utilized as a modifier to improve the toughness, clarity, and processing characteristics of other polyester resins.

Basic Information

Product Name	1,4-Benzenedicarboxylic Acid, Polymer With 1,2-Ethanediol And Hexanedioic Acid
CAS No.	25748-37-2
Molecular Formula	(C10H8O4·C2H6O2·C6H10O4)x
Molecular Weight	Polymer - Variable
Synonyms	Poly(ethylene terephthalate-co-hexamethylene terephthalate); PET-co-PHT; Poly(ethylene terephthalate/hexamethylene terephthalate); Copolyester of Terephthalic Acid, Ethylene Glycol, and Adipic Acid; Poly(oxy-1,2-ethanediyloxycarbonyl-1,4-phenylenecarbonyl-co-oxy-1,6-hexanediyloxycarbonyl-1,4-phenylenecarbonyl); Terephthalic Acid-Ethylene Glycol-Adipic Acid Copolymer; 6GT/ET Copolyester
EINECS	Contact for details

Quality Control

Our production of 1,4-Benzenedicarboxylic Acid, Polymer With 1,2-Ethanediol And Hexanedioic Acid adheres to stringent quality management systems to ensure batch-to-batch consistency and performance reliability. Each lot is characterized for key parameters including intrinsic viscosity (IV), melting point, carboxyl end-group content, and thermal stability. Certificates of Analysis (COA) documenting these specifications are provided with every shipment to support your quality assurance protocols.

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 heat sources and open flames. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	White or off-white pellets/chips
Intrinsic Viscosity (IV)	0.50 - 1.20 dL/g (Grade Dependent)
Melting Point (DSC)	180 - 250 °C
Carboxyl End Group Content	≤ 40 mmol/kg
Moisture Content	≤ 0.5 % (w/w)
Ash Content	≤ 0.1 %
Identification (IR)	Conforms

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