Description

1,3-Benzenedicarboxylic Acid, Polymer With 2,2-Dimethyl-1,3-Propanediol, Hexanedioic Acid, 2-(Hydroxymethyl)-2-Methyl-1,3-Propanediol And 1,3-Isobenzofurandione is a high-performance, branched polyester polyol resin designed for demanding industrial applications. This polymer is engineered to deliver exceptional durability, chemical resistance, and formulation flexibility, making it a critical component for advanced coating and adhesive systems. Key industries that rely on this material include automotive, industrial maintenance, and specialty packaging, where it provides enhanced performance characteristics.

Application

• High-Performance Industrial Coatings: Used as a key resin in polyurethane coatings for metal substrates, providing excellent corrosion resistance, hardness, and weatherability.
• Automotive Refinish and OEM Coatings: Serves as a polyol component in two-component polyurethane systems, contributing to superior gloss retention, flexibility, and chemical resistance for vehicle finishes.
• Adhesives and Sealants: Acts as a backbone polymer in formulating structural and elastic adhesives, offering strong bonding strength and durability under various environmental conditions.
• Plastic and Composite Coatings: Utilized in coatings for plastics and fiber-reinforced composites, enhancing surface protection and aesthetic qualities.
• Marine and Protective Coatings: Formulated into heavy-duty protective coatings for marine vessels and infrastructure, providing long-term protection against saltwater, UV exposure, and abrasion.
• Industrial Maintenance Paints: A critical ingredient in maintenance paints for factories, pipelines, and storage tanks, ensuring robust protection in harsh industrial environments.

Basic Information

Item	Details
Product Name	1,3-Benzenedicarboxylic Acid, Polymer With 2,2-Dimethyl-1,3-Propanediol, Hexanedioic Acid, 2-(Hydroxymethyl)-2-Methyl-1,3-Propanediol And 1,3-Isobenzofurandione
CAS No.	67815-72-9
Molecular Formula	Polymeric substance; contact for details
Molecular Weight	Polymeric substance; contact for details
Synonyms	Polyester polyol resin; Isophthalic acid-neopentyl glycol-adipic acid-trimethylolpropane-phthalic anhydride copolymer; Branched polyester polyol; Coating resin 67815-72-9; Polyester polyol for PU coatings; IPA-NPG-AA-TMP-PA copolymer; Alkyd-type polyester polyol; Thermosetting polyester resin
EINECS	Contact for details

Quality Control

Our production of this polyester polyol resin adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized for critical parameters including hydroxyl value, acid value, viscosity, and color. Certificates of Analysis (COA) documenting these specifications are provided with every shipment. Our quality system is designed to support formulations requiring compliance with various industrial and regulatory standards.

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 at least 24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Clear, viscous liquid to pale solid
Color (Gardner)	≤ 3
Hydroxyl Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	≤ 5.0
Viscosity (at 25°C, mPa·s)	Contact for details
Solid Content (%)	Contact for details

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