Description

1,3-Benzenedicarboxylic Acid, Polymer With 2,5-Furandione And 2,2'-Oxybis[Ethanol] is a high-performance polymeric material derived from isophthalic acid, maleic anhydride, and diethylene glycol. This specialized polymer is engineered to deliver enhanced thermal stability and chemical resistance, making it a critical component in demanding industrial formulations. It is primarily utilized by manufacturers in the coatings, adhesives, and advanced resin sectors seeking to improve product durability and performance under harsh conditions.

Application

• High-Performance Industrial Coatings: As a key resin component for coatings requiring excellent chemical resistance and adhesion on metal, concrete, and other substrates.
• Thermoset Adhesives and Sealants: Imparts strength and durability in structural adhesives for automotive, aerospace, and construction applications.
• Unsaturated Polyester Resins (UPR): Serves as a modifying agent or co-reactant to enhance the mechanical properties and heat distortion temperature of composite materials.
• Electrical Encapsulation and Potting Compounds: Used in formulations that protect electronic components due to its good insulating properties and stability.
• Fiber-Reinforced Plastic (FRP) Composites: Contributes to the resin matrix in composites for tanks, pipes, and automotive parts.
• Specialty Inks and Pigment Dispersants: Acts as a grinding resin or additive to improve pigment wetting and ink film properties.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, Polymer With 2,5-Furandione And 2,2'-Oxybis[Ethanol]
CAS No.	26021-96-5
Molecular Formula	(C8H6O4 · C4H2O3 · C4H10O3)n
Molecular Weight	Polymeric substance (variable)
Synonyms	Isophthalic Acid - Maleic Anhydride - Diethylene Glycol Copolymer; Poly(isophthalic acid-co-maleic anhydride-co-diethylene glycol); Maleic Anhydride-Isophthalic Acid-Diethylene Glycol Terpolymer; UPR Modifier Resin; Unsaturated Polyester Prepolymer; Iso-Maleic Polyester Resin; 1,3-Benzenedicarboxylic acid, polymer with 2,5-furandione and 2,2'-oxydiethanol; Isophthalic polyester resin based on maleic anhydride and DEG
EINECS	Contact for details

Quality Control

Our production of this polymer adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as acid value, viscosity, and thermal properties are rigorously monitored. A Certificate of Analysis (COA) detailing specific lot specifications is provided with every shipment 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 material is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Pale yellow to amber solid / chips
Acid Value	15 - 35 mg KOH/g
Viscosity (at 25°C, 60% in styrene)	300 - 800 mPa·s
Gel Time (at 25°C with promoter)	8 - 20 min
Volatile Content	≤ 1.0 %

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