Description

1,4-Benzenedicarboxylic acid, polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, .alpha.,.alpha.'-[(1-methylethylidene)di-4,1-phenylene] bis[.omega.-hydroxypoly(oxy-1,2-ethanediyl)] and,.alpha.'-[(1-methylethylidene)di-4,1-phenylene] is a high-performance, multi-component polymeric material designed for advanced industrial applications. This engineered polymer offers a unique combination of thermal stability, chemical resistance, and tailored physical properties, making it a critical component for demanding formulations. It is essential for manufacturers in the coatings, adhesives, and specialty plastics sectors seeking to enhance product durability and performance.

Application

• High-Performance Industrial Coatings: As a key resin component for coatings requiring exceptional weatherability, chemical resistance, and adhesion to diverse substrates.
• Advanced Adhesives and Sealants: Used in formulating structural adhesives and high-strength sealants for automotive, aerospace, and construction applications.
• Engineering Thermoplastics and Composites: Serves as a modifier or base polymer in composite materials to improve impact strength, thermal properties, and dimensional stability.
• Electrical Encapsulation and Potting Compounds: Provides protective insulation and environmental sealing for sensitive electronic components.
• Specialty Inks and Functional Layers: Utilized in the production of inks for printed electronics or as a functional layer in membrane and filtration technologies.
• Automotive and Industrial Parts: A component in the manufacture of under-the-hood components, interior trim, and other parts requiring durability.

Basic Information

Product Name	1,4-Benzenedicarboxylic acid, polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, .alpha.,.alpha.'-[(1-methylethylidene)di-4,1-phenylene] bis[.omega.-hydroxypoly(oxy-1,2-ethanediyl)] and,.alpha.'-[(1-methylethylidene)di-4,1-phenylene]
CAS No.	96360-62-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Poly(oxy-1,2-ethanediyl), .alpha.,.alpha.'-[(1-methylethylidene)di-4,1-phenylene]bis[.omega.-hydroxy-, polymer with 1,4-benzenedicarboxylic acid and 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid; Polyester polyol copolymer; Terephthalic acid - trimellitic anhydride - bisphenol A ethoxylate copolymer; Aromatic polyester polyol resin; Modified polyester polyol; Bisphenol A ethoxylate - TPA - TMA copolymer; Isophthalic/Terephthalic acid-based polyester polyol (modified); Copolyester polyol based on bisphenol A ethoxylate.
EINECS	Contact for details

Quality Control

Our production of this specialty copolymer adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot undergoes comprehensive analysis, including determination of hydroxyl value, acid value, viscosity, and thermal properties. A Certificate of Analysis (COA) detailing all relevant specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

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 incompatible materials such as strong oxidizing agents. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Pale yellow to amber solid or viscous liquid
Hydroxyl Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	≤ 5.0
Viscosity @ 25°C (cP)	Contact for details
Glass Transition Temperature (Tg)	Contact for details
Solid Content (%)	≥ 99.0
Moisture Content (KF)	≤ 0.5%

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