Description

1,3-Benzenedicarboxylic Acid, Polymer With 1,4-Benzenedicarboxylic Acid, (2Z)-2-Butenedioic Acid, 2,5-Furandione And 2,2-Oxybisethanol is a specialized unsaturated polyester resin intermediate. This compound matters for its role in creating high-performance, cross-linked polymer networks with excellent chemical resistance and mechanical properties. It is primarily needed by manufacturers in the coatings, adhesives, and advanced composite materials industries seeking to enhance product durability and performance.

Application

• Unsaturated Polyester Resins (UPR): A key intermediate for the production of thermosetting resins used in fiberglass-reinforced plastics (FRP).
• Industrial Coatings: Formulation of high-performance, corrosion-resistant coatings for automotive, marine, and industrial equipment.
• Adhesives and Sealants: Used in the synthesis of structural adhesives requiring strong bonding and environmental stability.
• Composite Materials: Serves as a matrix resin precursor for advanced composites in aerospace, wind energy, and construction.
• Electrical Laminates: Component in resins for printed circuit boards (PCBs) and electrical insulation materials.
• Gel Coats & Surface Finishes: Provides a smooth, durable, and weather-resistant finish for molded composite parts.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, Polymer With 1,4-Benzenedicarboxylic Acid, (2Z)-2-Butenedioic Acid, 2,5-Furandione And 2,2-Oxybisethanol
CAS No.	68189-49-1
Molecular Formula	(C8H6O4·C8H6O4·C4H4O4·C4H2O3·C4H10O3)x
Molecular Weight	Contact for details (Polymer)
Synonyms	Unsaturated Polyester Resin Intermediate; Poly(isophthalic acid-co-terephthalic acid-co-maleic acid-co-maleic anhydride-co-diethylene glycol); Isophthalic-Terephthalic-Maleic Copolymer with Diethylene Glycol; UPR Prepolymer; Thermoset Polyester Precursor; Poly(isophthalate-co-terephthalate-co-maleate-co-maleic anhydride-co-diethylene glycol); Maleic Anhydride-Isophthalic Acid-Terephthalic Acid-Diethylene Glycol Copolymer
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing key parameters such as acid value, viscosity, and residual monomer content to guarantee batch-to-batch consistency and performance in your formulations.

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, organic solvents, and sources of heat or ignition. Under these conditions, the product is stable for the period indicated on the label.

Specification

Item	Specification
Appearance	Viscous liquid to solid mass
Color (Gardner)	≤ 3
Acid Value (mg KOH/g)	20 - 40
Viscosity (at 25°C, cP)	Contact for details
Non-Volatile Content (%)	≥ 65
Gel Time (min, at 25°C)	Contact for details

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