Description

1,4-Benzenedicarboxylic acid polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofuran carboxylic acid, 1,2-ethanediol and 1,1'-[(1-methylethylidene) bis(4,1-phenylene oxy)]bis[2-propanol] is a high-performance, multi-component copolyester designed for advanced material applications. This engineered polymer offers a unique balance of thermal stability, mechanical strength, and chemical resistance, making it a critical raw material for demanding industrial uses. It is primarily sought after by manufacturers in the coatings, specialty plastics, and high-temperature adhesive sectors.

Application

• High-Performance Industrial Coatings: Used as a resin binder in powder coatings and coil coatings requiring excellent weatherability and corrosion resistance.
• Engineering Thermoplastics: Serves as a key component in the formulation of specialty plastic compounds for automotive and electrical components.
• Adhesives and Sealants: Imparts enhanced thermal and chemical resistance to structural adhesives used in aerospace and automotive assembly.
• Composite Materials: Acts as a matrix resin or modifier in fiber-reinforced composites for lightweight, high-strength applications.
• Wire and Cable Insulation: Utilized in insulating materials that must maintain integrity at elevated temperatures.
• Industrial Films and Sheets: Employed in the production of durable, transparent films for protective and packaging applications.

Basic Information

Product Name	1,4-Benzenedicarboxylic acid polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofuran carboxylic acid, 1,2-ethanediol and 1,1'-[(1-methylethylidene) bis(4,1-phenylene oxy)]bis[2-propanol]
CAS No.	144437-81-0
Molecular Formula	(C10H8O4·C8H6O5·C2H6O2·C21H28O4)n
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(oxy-1,4-phenylenecarbonyloxy-1,4-phenylenecarbonyloxyalkylenecarbonyloxyisophthaloyloxyalkylenecarbonyloxy-4,4'-isopropylidenediphenoxy); Terephthalic Acid-Trimellitic Anhydride-Ethylene Glycol-Bisphenol A Propoxylate Copolymer; Copolyester of Terephthalic Acid, Trimellitic Anhydride, Ethylene Glycol, and Bisphenol A Propoxylate; BPA Propoxylate Modified PET/ITA Copolymer; High-Tg Copolyester Resin; Thermoplastic Copolyester Resin (TPC); Aromatic Copolyester; Engineering Copolyester Resin
EINECS	Contact for details

Quality Control

Our production of this high-performance copolyester adheres to stringent quality management systems, including ISO 9001. Each batch undergoes comprehensive analysis to ensure consistent molecular weight distribution, intrinsic viscosity, thermal properties (Tg), and acid value. Certificates of Analysis (COA) detailing all critical specifications are provided with every shipment to guarantee supply reliability and performance consistency for your formulations.

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). Keep away from strong oxidizing agents and sources of heat or ignition. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	White to off-white pellets or powder
Identification (IR)	Conforms to structure
Intrinsic Viscosity	0.50 - 0.80 dL/g (Typical)
Glass Transition Temperature (Tg)	> 80 °C
Acid Value	< 5.0 mg KOH/g
Moisture Content	< 0.5 % (w/w)
Ash Content	< 0.1 % (w/w)

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