Description

2-Butenedioic Acid(E)-,Polymer With 1,3-Isobenzofurandione And 2,2'-Oxybis(Ethanol) is a high-performance polymeric material, specifically a fumaric acid-based polyester resin, valued for its excellent film-forming properties, adhesion, and chemical resistance. This polymer is engineered to deliver consistent performance as a key component in advanced coating and adhesive formulations. It is primarily sought after by manufacturers in the industrial coatings, specialty adhesives, and polymer modification sectors who require reliable, high-quality raw materials for demanding applications.

Application

• Industrial and Protective Coatings: Used as a resin binder in coatings for metal, wood, and plastic substrates, providing durability and corrosion resistance.
• Adhesives and Sealants: Serves as a key polymeric component in structural and pressure-sensitive adhesive formulations, enhancing bond strength and flexibility.
• Polymer Modification and Composites: Employed as an additive or co-polymer to improve the toughness, weatherability, and mechanical properties of other polymers.
• Inks and Graphic Arts: Utilized in the formulation of specialty printing inks that require fast drying and strong substrate adhesion.
• Electrical Insulating Varnishes: Acts as a film-forming agent in varnishes for insulating wires and electronic components.

Basic Information

Product Name	2-Butenedioic Acid(E)-,Polymer With 1,3-Isobenzofurandione And 2,2'-Oxybis(Ethanol)
CAS No.	29987-69-7
Molecular Formula	(C4H4O4·C8H4O3·C4H10O3)n
Molecular Weight	Polymeric substance (Contact for details)
Synonyms	Fumaric Acid - Phthalic Anhydride - Diethylene Glycol Copolymer; Poly(ethylene glycol phthalate fumarate); Fumaric Acid/Phthalic Anhydride/Diethylene Glycol Copolymer; Polyester resin based on fumaric acid, phthalic anhydride, and diethylene glycol; 2-Butenedioic acid (E)-, polymer with 1,3-isobenzofurandione and 2,2'-oxybis[ethanol]; Fumaric Acid Polyester Resin; Phthalic-Fumaric Polyester; Diethylene Glycol Fumarate Phthalate Polymer
EINECS	Contact for details

Quality Control

Our 2-Butenedioic Acid(E)-,Polymer With 1,3-Isobenzofurandione And 2,2'-Oxybis(Ethanol) is manufactured under a strict quality management system. Each batch undergoes rigorous testing to ensure consistency in key parameters such as acid value, viscosity, and thermal properties, meeting the specifications required for industrial applications. Certificates of Analysis (COA) are available upon request 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). Keep away from strong acids and organic solvents. The container must be kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Pale yellow to amber solid or viscous liquid
Acid Value	Contact for details
Viscosity (at 25°C)	Contact for details
Softening Point	Contact for details
Glass Transition Temperature (Tg)	Contact for details
Solubility	Soluble in common organic solvents

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