Description

1,3-Benzenedicarboxylic Acid, Polymer With 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol, Hexanedioic Acid, 1,6-Hexanediol And 1,3-Isobenzofurandione is a high-performance, multi-component polyester resin designed for demanding industrial applications. This polymer offers a unique balance of chemical resistance, thermal stability, and mechanical properties derived from its specific monomer composition. It is a critical raw material for formulators and manufacturers in the coatings, adhesives, and specialty plastics sectors seeking to enhance product durability and performance.

Application

• High-Performance Industrial Coatings: Used as a resin binder in powder coatings, coil coatings, and can coatings requiring excellent weatherability, corrosion resistance, and adhesion to metal substrates.
• Thermosetting Adhesives and Sealants: Serves as a key polymeric component in structural adhesives, providing strong bonding strength, flexibility, and resistance to environmental stress.
• Engineering Plastics and Composites: Acts as a modifier or base resin in composite materials, contributing to improved heat distortion temperature and chemical resistance in molded parts.
• Electrical Insulation Materials: Utilized in the formulation of wire enamels and insulating varnishes due to its good dielectric properties and thermal endurance.
• Automotive and Appliance Finishes: A vital ingredient in durable topcoats for automotive parts and household appliances where a hard, glossy, and protective finish is required.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, Polymer With 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol, Hexanedioic Acid, 1,6-Hexanediol And 1,3-Isobenzofurandione
CAS No.	72259-84-8
Molecular Formula	(C8H6O4·C6H14O4·C6H14O2·C8H4O3)n
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(1,3-benzenedicarboxylic acid-co-2-ethyl-2-(hydroxymethyl)-1,3-propanediol-co-hexanedioic acid-co-1,6-hexanediol-co-1,3-isobenzofurandione); Polyester resin from isophthalic acid, trimethylolethane, adipic acid, 1,6-hexanediol, and phthalic anhydride; Isophthalic Acid/Trimethylolethane/Adipic Acid/1,6-Hexanediol/Phthalic Anhydride Copolymer; Polyester polyol resin; Multifunctional polyester resin; Alkyd resin modifier; Thermosetting polyester copolymer.
EINECS	Contact for details

Quality Control

Our production of this specialty polyester resin adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as acid value, hydroxyl value, viscosity, glass transition temperature (Tg), and color are rigorously monitored. A comprehensive Certificate of Analysis (COA) detailing all relevant specifications is provided with each shipment 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 heat sources and open flame. Under these conditions, the product is stable for extended periods. Ensure containers are kept sealed when not in use to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white granules or solid
Acid Value (mg KOH/g)	5 - 15
Hydroxyl Value (mg KOH/g)	30 - 80
Viscosity (mPa·s @ specified temp & conc.)	Contact for details
Glass Transition Temperature (Tg)	40 - 70 °C
Color (Gardner)	≤ 3
Moisture Content	≤ 0.5 %

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