Description

1,3-Benzenedicarboxylic Acid, Polymer With, 1,4-Benzenedicarboxylic Acid, 1,2-Ethanediol, 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol And Hexanedioic Acid CAS NO 83863-90-5 is a high-performance, modified polyester resin designed for demanding industrial applications. This copolymer offers a unique balance of properties derived from its multi-component structure, including isophthalic acid, terephthalic acid, ethylene glycol, trimethylolpropane, and adipic acid. It is engineered for manufacturers seeking enhanced durability, chemical resistance, and processing flexibility in their final products. Key target industries include advanced coatings, specialty adhesives, and engineered plastics.

Application

• High-Performance Industrial Coatings: Used as a resin binder in coil coatings, can coatings, and appliance finishes for superior weatherability and chemical resistance.
• Specialty Adhesives and Sealants: Serves as a key polymeric component in formulations requiring strong adhesion, flexibility, and environmental stability.
• Engineered Thermoplastics and Composites: Acts as a modifier or primary resin to enhance the mechanical properties, heat resistance, and dimensional stability of plastic compounds.
• Powder Coatings: An essential resin for powder coating formulations, providing excellent flow, leveling, and final film properties for architectural and automotive applications.
• Industrial and Protective Linings: Formulated into linings for tanks, pipes, and chemical processing equipment due to its robust barrier properties.
• Electrical Insulation Materials: Utilized in wire enamels and insulating varnishes for its dielectric strength and thermal endurance.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, Polymer With, 1,4-Benzenedicarboxylic Acid, 1,2-Ethanediol, 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol And Hexanedioic Acid
CAS No.	83863-90-5
Molecular Formula	(C8H6O4 · C8H6O4 · C2H6O2 · C6H14O3 · C6H10O4)n
Molecular Weight	Polymer (Variable)
Synonyms	Poly(isophthalate-co-terephthalate-co-ethylene glycol-co-trimethylolpropane-co-adipate); Modified Polyester Resin; TMP-Modified Polyester; Isophthalic-Terephthalic Acid Copolyester with Ethylene Glycol, Trimethylolpropane, and Adipic Acid; Alkyd Resin Modifier; Coating Polyester Resin; Adipic Acid Modified Copolyester
EINECS	Contact for details

Quality Control

Our production of this modified 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, and glass transition temperature (Tg) are rigorously monitored. Certificates of Analysis (COA) detailing these specifications are provided with every shipment. We support compliance with relevant industry standards for coatings and polymers.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from heat sources and open flame. Under recommended storage conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Clear, viscous liquid to solid resin
Acid Value (mg KOH/g)	Contact for details
Hydroxyl Value (mg KOH/g)	Contact for details
Viscosity (at 25°C)	Contact for details
Glass Transition Temperature (Tg)	Contact for details
Color (Gardner)	≤ 3
Solid Content (%)	Contact for details

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