Description

1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol and hexanedioic acid is a high-performance, complex copolyester resin engineered for demanding industrial applications. This polymer offers a unique balance of thermal stability, chemical resistance, and mechanical properties derived from its sophisticated multi-monomer composition. It is a critical raw material for 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, providing excellent weatherability, corrosion resistance, and adhesion to metal substrates.
• Specialty Adhesives and Sealants: Serves as a key polymer component in formulations requiring strong bonding, flexibility, and resistance to chemicals and environmental stress.
• Engineering Thermoplastics and Composites: Acts as a modifier or primary resin in composite materials, contributing to enhanced thermal stability and mechanical strength for automotive and electrical components.
• Wire and Cable Enamels: Utilized in insulating varnishes and enamels due to its good electrical properties and thermal endurance.
• Printing Inks: Incorporated into high-quality ink formulations for improved abrasion resistance, gloss, and adhesion on various surfaces.
• Textile and Fiber Treatments: Applied as a durable polymer finish to impart water repellency, stain resistance, and dimensional stability to technical textiles.

Basic Information

Item	Details
Product Name	1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol and hexanedioic acid
CAS No.	103470-94-6
Molecular Formula	Polymeric material - Contact for details
Molecular Weight	Polymeric material - Contact for details
Synonyms	Copolyester resin based on IPA, TPA, TMA, NPG, EG, and adipic acid; Isophthalic acid-Terephthalic acid-Trimellitic acid-Neopentyl glycol-Ethylene glycol-Adipic acid copolymer; IPA/TPA/TMA/NPG/EG/Adipic acid copolymer; Polyester resin, branched; Thermoplastic copolyester; Modified PET resin; Alkyd-type polyester resin
EINECS	Contact for details

Quality Control

Our production of this copolyester resin adheres to stringent quality management protocols 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. Certificates of Analysis (COA) documenting full specification compliance are available upon request, supporting your quality assurance and regulatory 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 strong acids and organic solvents. Ensure the container is kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white granules or powder
Acid Value	5 - 15 mg KOH/g
Hydroxyl Value	Contact for details
Viscosity (at specified temp & concentration)	Contact for details
Glass Transition Temperature (Tg)	40 - 70 °C
Softening Point	Contact for details
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.