Description

1,3-Benzenedicarboxylic Acid, Polymer With 1,4-Benzenedicarboxylic Acid, 1,3-Dihydro-1,3-Dioxo-5-Isobenzofurancarboxylic Acid And 2,2-Oxybisethanol is a high-performance polyester copolymer designed for advanced material applications. This polymer offers a unique balance of thermal stability, mechanical strength, and chemical resistance derived from its aromatic and aliphatic co-monomers. It is primarily sought by manufacturers in the coatings, specialty plastics, and advanced composite industries for creating durable, high-grade finished products.

Application

• High-Performance Coatings: Used as a resin binder in industrial, automotive, and protective coatings requiring excellent weatherability and chemical resistance.
• Engineering Plastics & Composites: Serves as a key polymer matrix or modifier to enhance the thermal and mechanical properties of specialty plastics and fiber-reinforced composites.
• Adhesives and Sealants: Imparts strong adhesion and durability in formulations for structural adhesives and high-performance sealants.
• Electrical Insulation Materials: Utilized in the production of wire enamels, potting compounds, and insulating films due to its good dielectric properties.
• Specialty Films and Packaging: Employed to create barrier films or specialty packaging materials that require specific gas barrier or stability properties.
• 3D Printing Filaments: Acts as a base polymer for advanced fused deposition modeling (FDM) filaments where high strength and temperature resistance are critical.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, Polymer With 1,4-Benzenedicarboxylic Acid, 1,3-Dihydro-1,3-Dioxo-5-Isobenzofurancarboxylic Acid And 2,2-Oxybisethanol
CAS No.	102038-54-0
Molecular Formula	(C8H6O4·C8H6O4·C9H4O5·C4H10O3)n
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(isophthalic acid-co-terephthalic acid-co-trimellitic acid-co-diethylene glycol); Polyester resin from IPA, TPA, TMA, and DEG; IPA/TPA/TMA/DEG Copolymer; Isophthalic Acid-Terephthalic Acid-Trimellitic Acid-Diethylene Glycol Copolymer; Aromatic-Aliphatic Copolyester; Modified PET/PEI Copolymer; Thermoplastic Polyester Elastomer (TPEE) variant; Glycol-modified Polyarylate
EINECS	Contact for details

Quality Control

Our production of this advanced copolymer adheres to strict quality management systems, ensuring batch-to-batch consistency for critical performance parameters like intrinsic viscosity, acid value, and glass transition temperature (Tg). Each lot is characterized using advanced analytical techniques including GPC, DSC, and FTIR. A comprehensive 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, and well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to prevent moisture absorption, which can affect processing characteristics.

Specification

Item	Specification
Appearance	White to off-white pellets or powder
Identification (IR)	Conforms to structure
Inherent Viscosity (dl/g)	0.50 - 0.80 (or as specified)
Acid Value (mg KOH/g)	≤ 2.0
Glass Transition Temp (Tg)	65 - 85 °C
Moisture Content (KF)	≤ 0.5 %
Ash Content	≤ 0.1 %
Color (APHA)	≤ 100

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