Description

(E)-2-Butenedioic acid polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, α,α'-[(1-methylethylidene)di-4,1-phenylene] bis[ω-hydroxypoly(oxy-1,2-ethanediyl)] and α,α'-[(1-methylethylidene)di-4,1-phenylene]bis[ω-hydroxypoly[oxy(methyl-1,2-ethanediyl)]] is a high-performance, multi-component polymeric material designed for advanced industrial applications. This compound matters for its unique combination of structural properties derived from its maleic acid, phthalic anhydride, and bisphenol A ethoxylate building blocks, offering excellent compatibility and functionality. It is primarily needed by manufacturers in the coatings, adhesives, and specialty polymer sectors seeking to enhance product durability and performance.

Application

• High-Performance Industrial Coatings: As a key resin component for automotive, marine, and protective coatings requiring excellent adhesion and chemical resistance.
• Advanced Adhesive Formulations: Used in structural adhesives and sealants where strong bonding and flexibility are critical.
• Specialty Polymer Modifier: Acts as a compatibilizer or property enhancer in engineering plastics and composite materials.
• Printing Inks and Toners: Serves as a resin binder in high-quality printing applications for improved gloss and rub resistance.
• Electronic Encapsulants: Employed in potting compounds and encapsulants for electronic components due to its potential thermal and electrical properties.
• Fiber Sizing and Treatment: Used to treat glass or carbon fibers to improve their adhesion to polymer matrices in composite manufacturing.

Basic Information

Product Name	(E)-2-Butenedioic acid polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, α,α'-[(1-methylethylidene)di-4,1-phenylene] bis[ω-hydroxypoly(oxy-1,2-ethanediyl)] and α,α'-[(1-methylethylidene)di-4,1-phenylene]bis[ω-hydroxypoly[oxy(methyl-1,2-ethanediyl)]]
CAS No.	116736-81-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Polymer of maleic acid, phthalic anhydride, and bisphenol A ethoxylate; Maleic acid-phthalic anhydride-bisphenol A ethoxylate copolymer; BPA-EO modified maleic-phthalic copolymer; Polyester polyol resin based on maleic acid, phthalic anhydride, and bisphenol A; Specialty polyester polyol; Thermosetting polyester resin precursor; Coating resin intermediate.
EINECS	Contact for details

Quality Control

Our production of this specialty polymer adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot undergoes comprehensive analysis, including tests for acid value, hydroxyl value, viscosity, and color. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment. Our quality management system is designed to meet the demands of ISO 9001 standards, ensuring traceability and compliance for global industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat sources and open flame. As with many polymeric materials, prolonged exposure to high humidity should be avoided to prevent moisture absorption which may affect properties.

Specification

Item	Specification
Appearance	Viscous liquid to solid
Color (Gardner)	≤ 4
Acid Value (mg KOH/g)	5 - 25
Hydroxyl Value (mg KOH/g)	50 - 150
Viscosity @ 25°C (cP)	2000 - 10000
Solid Content (%)	≥ 98.0
Identification (IR)	Conforms

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