Description

1,3-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 3-hydroxy-2,2-dimethylpropyl 3-hydroxy-2,2-dimethylpropanoate is a specialized, high-performance polyester polyol resin. This compound is engineered to deliver exceptional durability, chemical resistance, and formulation flexibility for advanced coating and adhesive systems. It is a critical raw material for industrial manufacturers seeking to enhance the performance and longevity of their products in demanding environments.

Application

• High-Performance Industrial Coatings: Used as a key polyol component in two-component polyurethane coatings for automotive, aerospace, and industrial maintenance applications, providing excellent weatherability and chemical resistance.
• Advanced Adhesives and Sealants: Serves as a building block in formulating polyurethane adhesives and sealants that require strong bonding, flexibility, and resistance to moisture and solvents.
• Elastomers and Casting Resins: Employed in the production of polyurethane elastomers for gaskets, wheels, and industrial parts, offering a balance of toughness and elasticity.
• Powder Coatings: Acts as a reactive resin in powder coating formulations, contributing to smooth finishes, good flow, and superior mechanical properties on metal substrates.
• UV-Curable Systems: Can be modified or used in hybrid systems for radiation-curable coatings and inks, enabling faster curing times and reduced VOC emissions.

Basic Information

Product Name	1,3-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 3-hydroxy-2,2-dimethylpropyl 3-hydroxy-2,2-dimethylpropanoate
CAS No.	150180-89-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Polyester polyol based on isophthalic acid, neopentyl glycol, and trimethylolpropane; Isophthalic acid-NPG-TMP polyester polyol; Poly(isophthalate-co-neopentyl glycol-co-trimethylolpropane); TMP-NPG-Isophthalic Acid Polyester Polyol; Hydroxyl-functional polyester resin; Branched polyester polyol; CAS 150180-89-5
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. Certificates of Analysis (COA) documenting all relevant specifications are 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 the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Hydroxyl Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	≤ 2.0
Viscosity (at 25°C, mPa·s)	Contact for details
Color (Gardner)	≤ 2
Water Content (%)	≤ 0.1

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