Description

Adipic Acid/Isophthalic Acid/Neopentyl Glycol /Trimethylolpropane Copolymer is a specialized polyester polyol resin engineered for high-performance coatings and adhesives. This copolymer offers a unique balance of properties derived from its constituent monomers, including chemical resistance, flexibility, and durability. It is a critical raw material for formulators in the industrial coatings, automotive refinish, and specialty adhesive sectors seeking to enhance product performance.

Application

• High-Performance Industrial Coatings: Used as a polyol component in polyurethane coatings for metal substrates, providing excellent corrosion resistance, hardness, and weatherability.
• Automotive Refinish & OEM Coatings: Imparts superior gloss retention, flexibility, and chemical resistance to automotive clearcoats and topcoats.
• Plastic Coatings: Formulated into coatings for plastics (e.g., automotive bumpers, consumer electronics) to improve adhesion and mar resistance.
• Specialty Adhesives & Sealants: Serves as a key resin in moisture-cure and two-component polyurethane adhesives, contributing to strong bonds and elasticity.
• Coil & Can Coatings: Utilized in formulations requiring rapid cure times, formability, and resistance to chemicals and stains.
• Fiberglass Reinforced Plastics (FRP): Acts as a resin modifier in gel coats and laminates to enhance surface finish and mechanical properties.

Basic Information

Product Name	Adipic Acid/Isophthalic Acid/Neopentyl Glycol /Trimethylolpropane Copolymer
CAS No.	25950-34-9
Molecular Formula	Contact for details
Molecular Weight	Varies (Polymer)
Synonyms	Polyester polyol resin; AA/IA/NPG/TMP copolymer; Adipic-isophthalic acid copolymer with NPG and TMP; Poly(neopentyl glycol-co-trimethylolpropane adipate-co-isophthalate); Polyester polyol based on adipic acid, isophthalic acid, NPG, and TMP; Co-polyester polyol; NPG/TMP mixed polyester; Hydroxyl-functional polyester resin
EINECS	Contact for details

Quality Control

Our Adipic Acid/Isophthalic Acid/Neopentyl Glycol /Trimethylolpropane Copolymer is manufactured under a strict quality management system. Each batch is tested against key parameters such as hydroxyl value, acid value, viscosity, and color to ensure consistent performance and batch-to-batch reproducibility. Certificates of Analysis (COA) documenting these specifications are available upon request 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. This material is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent moisture absorption, 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 @ 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.