Description

1,3-Benzenedicarboxylic Acid, Polymer With 2,2-Dimethyl-1,3-Propanediol, 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol, Hexanedioic Acid And 1,2-Propanediol is a specialized, high-performance polyester polyol resin designed for demanding industrial applications. This polymer is valued for its ability to impart excellent durability, chemical resistance, and mechanical properties to final formulations. It is primarily sought after by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as in polyurethane production for specialized components.

Application

• High-Performance Polyurethane Coatings: Used as a key polyol component in two-component (2K) polyurethane coatings for industrial, automotive, and marine applications, providing enhanced weatherability and chemical resistance.
• Elastomers and Sealants: Serves as a building block for polyurethane elastomers and sealants requiring a balance of flexibility, toughness, and hydrolytic stability.
• Adhesives: Formulated into structural and specialty adhesives where strong bonding and durability under stress are critical.
• Composite Materials: Utilized in the production of fiber-reinforced plastics and other composite materials to improve matrix properties.
• Industrial and Protective Coatings: A vital resin for coatings applied to machinery, pipelines, and concrete floors that must withstand abrasion, solvents, and corrosive environments.
• Specialty Resins for Casting and Molding: Employed in the formulation of casting resins and molded polyurethane parts for technical applications.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, Polymer With 2,2-Dimethyl-1,3-Propanediol, 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol, Hexanedioic Acid And 1,2-Propanediol
CAS No.	28430-17-3
Molecular Formula	(C8H6O4 · C5H12O2 · C6H14O4 · C6H10O4 · C3H8O2)n
Molecular Weight	Polymer - Variable
Synonyms	Polyester polyol from IPA, NPG, TMP, adipic acid, and propylene glycol; Isophthalic Acid-NPG-TMP-Adipic Acid-Propylene Glycol Copolymer; Poly(isophthalate-co-adipate) polyol; Branched polyester polyol; CAS 28430-17-3; IPA/NPG/TMP/AA/PG Polyester Polyol; Hydroxyl-terminated polyester resin
EINECS	Contact for details

Quality Control

Our production of this polyester polyol adheres to strict 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. A Certificate of Analysis (COA) detailing all relevant specifications is provided with each shipment to support your quality assurance and regulatory compliance 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). This product is hygroscopic (moisture-sensitive). Keep container tightly sealed when not in use to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	Viscous liquid to semi-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

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