Description

Neopentyl glycol, 1,4-dimethanolcyclohexane, trimellitic anhydride, terephthalic acid, 3-hydroxy-2,2-dimethylpropyl 3-hydroxy-2,2-dimethylpropanoate, isophthalic acid polymer is a high-performance, multi-component polyester resin intermediate. This specialized polymer is engineered to deliver exceptional durability, chemical resistance, and thermal stability in demanding industrial applications. It is a critical raw material for manufacturers in the coatings, adhesives, and advanced composite materials sectors seeking to enhance product performance and longevity.

Application

• High-Performance Industrial Coatings: A key resin component for powder coatings, coil coatings, and can coatings requiring superior weatherability, corrosion resistance, and mechanical strength.
• Durable Adhesives and Sealants: Used in formulating structural adhesives and high-strength sealants for automotive, aerospace, and construction applications.
• Advanced Composite Materials: Serves as a matrix resin in fiber-reinforced plastics (FRP) and other composites for lightweight, high-strength components.
• Electrical Insulating Varnishes: Imparts excellent thermal and electrical insulation properties in wire enamels and insulating varnishes for motors and transformers.
• Specialty Plasticizers and Additives: Acts as a polymeric modifier to enhance flexibility, UV stability, and hydrolytic resistance in various polymer systems.

Basic Information

Product Name	Neopentyl glycol, 1,4-dimethanolcyclohexane, trimellitic anhydride, terephthalic acid, 3-hydroxy-2,2-dimethylpropyl 3-hydroxy-2,2-dimethylpropanoate, isophthalic acid polymer
CAS No.	68922-25-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Polyester resin from NPG, CHDM, TMA, TPA, HPHP, IPA; Polyester polyol based on neopentyl glycol and cyclohexanedimethanol; Trimellitic anhydride-terephthalic acid-isophthalic acid copolymer with neopentyl glycol and 1,4-cyclohexanedimethanol; NPG/CHDM/TMA/TPA/IPA polymer; Hydroxypivalyl hydroxypivalate modified polyester resin
EINECS	Contact for details

Quality Control

Our production of this advanced polymer adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as acid value, hydroxyl value, viscosity, and glass transition temperature (Tg) are rigorously monitored. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing all relevant specifications 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. The product may be hygroscopic; ensure containers are sealed after use to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white flakes or powder
Acid Value (mg KOH/g)	≤ 10.0
Hydroxyl Value (mg KOH/g)	Contact for details
Softening Point (°C)	Contact for details
Glass Transition Temp, Tg (°C)	Contact for details
Viscosity (mPa·s, @ specified temp & conc.)	Contact for details
Color (Gardner)	≤ 2

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