Description

1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 1,3-isobenzofurandione CAS NO 54797-82-9 is a high-performance, branched polyester polyol resin. This specialized polymer is engineered to deliver exceptional durability, chemical resistance, and formulation flexibility. It is a critical raw material for industrial manufacturers seeking to enhance the performance characteristics of their final products.

Application

• High-Performance Polyurethane Coatings: Used as a polyol component to formulate coatings with superior weatherability, gloss retention, and chemical resistance for automotive, industrial, and marine applications.
• Adhesives and Sealants: Imparts strong adhesion, flexibility, and durability to structural and specialty adhesive formulations.
• Elastomers: Serves as a key building block for producing flexible, resilient polyurethane elastomers used in wheels, rollers, and industrial parts.
• Industrial and Protective Resins: A base resin for creating corrosion-resistant linings, tank coatings, and floor finishes that withstand harsh environments.
• Specialty Inks and Overprint Varnishes: Enhances the scratch resistance, gloss, and flexibility of inks and coatings for packaging and printing.
• Composite Materials: Used in the production of fiber-reinforced plastics (FRP) and other composite structures requiring a robust polymer matrix.

Basic Information

Product Name	1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 1,3-isobenzofurandione
CAS No.	54797-82-9
Molecular Formula	(C8H6O4 · C8H6O4 · C5H12O2 · C2H6O2 · C6H14O3 · C8H4O3)n
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(1,3-benzenedicarboxylic acid-co-1,4-benzenedicarboxylic acid-co-2,2-dimethyl-1,3-propanediol-co-1,2-ethanediol-co-2-ethyl-2-(hydroxymethyl)-1,3-propanediol-co-1,3-isobenzofurandione); Polyester polyol resin based on IPA, TPA, NPG, EG, TMP, and PA; Isophthalic-Terephthalic Acid Copolyester Polyol; Branched Copolyester Polyol; Aromatic Polyester Polyol; Polyol Resin CAS 54797-82-9
EINECS	Contact for details

Quality Control

Our production of this polyester polyol resin adheres to stringent quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as hydroxyl value, acid value, viscosity, and color are rigorously tested against internal specifications. A Certificate of Analysis (COA) detailing these results is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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.

Specification

Item	Specification
Appearance	Viscous liquid to solid
Color (Gardner)	≤ 3
Hydroxyl Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	≤ 2.0
Viscosity @ 25°C (cPs)	Contact for details
Water Content (%)	≤ 0.1
Identification (IR)	Conforms

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