Description

Phthalic Anhydride, Maleic Acid, Diethylene Glycol, Neopentyl Glycol Polymer is a specialized polyester polyol resin, a key building block in high-performance coating and adhesive formulations. This polymer matters for its ability to impart excellent chemical resistance, durability, and flexibility to final products, enabling superior performance in demanding environments. It is primarily needed by manufacturers in the coatings, inks, and adhesives industries seeking to enhance the protective and mechanical properties of their formulations.

Application

• High-Performance Industrial Coatings: As a critical resin component in coil, can, and container coatings, providing excellent adhesion and corrosion resistance.
• Powder Coatings: Used in the formulation of durable, weather-resistant powder coatings for automotive, architectural, and appliance finishes.
• Saturated Polyester Resins: Serves as a backbone for resins used in flexible and rigid packaging, films, and specialty plastics.
• Adhesives and Sealants: Imparts toughness and flexibility to structural adhesives, laminating adhesives, and construction sealants.
• Ink Resins: Utilized in the production of resins for printing inks, contributing to gloss, rub resistance, and substrate adhesion.
• Polyurethane Systems: Acts as a polyol component in the synthesis of polyurethane dispersions (PUDs) and other urethane polymers for coatings and elastomers.

Basic Information

Product Name	Phthalic Anhydride, Maleic Acid, Diethylene Glycol, Neopentyl Glycol Polymer
CAS No.	51394-70-8
Molecular Formula	(C8H4O3.C4H4O4.C4H10O3.C5H12O2)x
Molecular Weight	Varies (Polymer)
Synonyms	Polyester polyol from PA, MA, DEG, and NPG; PA/MA/DEG/NPG copolymer; Phthalic-Maleic Polyester Polyol; Neopentyl Glycol Phthalate-Maleate Copolymer; Saturated Copolyester Polyol; Alkyd Resin Intermediate; Poly(neopentyl glycol phthalate-co-maleate); Coil Coating Resin Polyol
EINECS	Contact for details

Quality Control

Our Phthalic Anhydride, Maleic Acid, Diethylene Glycol, Neopentyl Glycol Polymer undergoes rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. Key parameters such as hydroxyl value, acid value, viscosity, and color are strictly monitored. 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, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids and organic solvents. The product may be hygroscopic; ensure containers are sealed after use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Viscous liquid to solid
Color (Gardner)	≤ 3
Hydroxyl Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	≤ 5.0
Viscosity (at 25°C, mPa·s)	Contact for details
Solid Content (%)	Contact for details
Glass Transition Temp (Tg)	Contact for details

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