Description

1,3-Benzenedicarboxylic Acid, Polymer With 2,2-Dimethyl-1,3-Propanediol, Hexanedioic Acid, 1,6-Hexanediol And 1,3-Isobenzofurandione is a high-performance, saturated polyester resin designed for demanding industrial applications. This copolymer, CAS No. 57087-32-8, offers an exceptional balance of durability, chemical resistance, and thermal stability, making it a critical raw material for advanced coating and adhesive formulations. It is primarily utilized by manufacturers in the coatings, plastics, and specialty chemical industries seeking to enhance product performance and longevity.

Application

• High-Performance Industrial Coatings: As a key resin binder for coil coatings, automotive primers, and appliance finishes requiring excellent weatherability and corrosion resistance.
• Powder Coatings: Serving as a primary polyester component for durable, thermosetting powder coatings used on metal substrates for architectural, furniture, and functional applications.
• Adhesives and Sealants: Providing strong adhesion, flexibility, and chemical resistance in structural and industrial adhesive formulations.
• Plastic Modifiers and Composites: Used as an additive or compatibilizer to improve the impact strength, thermal properties, and surface characteristics of engineering plastics and composite materials.
• Can and Container Coatings: Formulating interior and exterior protective coatings for food and beverage containers, offering good barrier properties and compliance with food contact regulations.
• Wire and Cable Enamels: Acting as an insulating resin for magnet wires, providing thermal stability and electrical insulation properties.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, Polymer With 2,2-Dimethyl-1,3-Propanediol, Hexanedioic Acid, 1,6-Hexanediol And 1,3-Isobenzofurandione
CAS No.	57087-32-8
Molecular Formula	(C8H6O4·C5H12O2·C6H10O4·C6H14O2·C8H4O3)n
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(neopentyl glycol-isophthalate-adipate) modified with phthalic anhydride; Saturated Polyester Resin (SPR); Polyester polyol resin; Isophthalic Acid-Adipic Acid-Neopentyl Glycol-1,6-Hexanediol-Phthalic Anhydride Copolymer; Carboxyl-terminated polyester resin; Polyester resin based on isophthalic acid, adipic acid, neopentyl glycol, 1,6-hexanediol, and phthalic anhydride; Poly(1,3-benzenedicarboxylic acid-co-2,2-dimethyl-1,3-propanediol-co-hexanedioic acid-co-1,6-hexanediol-co-1,3-isobenzofurandione)
EINECS	Contact for details

Quality Control

Our production of this saturated polyester resin adheres to strict quality management systems, ensuring batch-to-batch consistency for your formulations. Key parameters such as acid value, hydroxyl value, viscosity, and glass transition temperature (Tg) are rigorously monitored. Certificates of Analysis (COA) detailing all relevant specifications are provided with each shipment. We support compliance with relevant global standards for industrial and coating applications.

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 recommended storage conditions, the product is stable for extended periods. Keep container tightly sealed when not in use to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow solid/pellets
Acid Value (mg KOH/g)	1 - 10
Hydroxyl Value (mg KOH/g)	20 - 100
Viscosity (mPa·s @ specified temp & conc.)	Contact for details
Glass Transition Temperature (Tg)	40 - 70 °C
Color (Gardner)	≤ 2
Moisture Content	≤ 0.5 %
Identification (IR)	Conforms

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