Description

Polyterephthalic Acid Anhydride is a high-purity chemical intermediate derived from terephthalic acid. This compound is valued for its role as a key building block in the synthesis of advanced polymers and specialty chemicals, offering consistent quality and reliable performance. It is essential for manufacturers in the polymer, resin, and fine chemical industries seeking to develop high-performance materials.

Application

• Polymer Synthesis: A crucial monomer or intermediate in the production of high-temperature resistant polymers, such as polyimides and polyesters.
• Resin Manufacturing: Used in the formulation of specialty epoxy resins and alkyd resins to enhance thermal and mechanical properties.
• Fine Chemical Production: Serves as a precursor in the synthesis of plasticizers, stabilizers, and other performance additives.
• Coatings and Adhesives: Incorporated into formulations for industrial coatings and high-strength adhesives requiring excellent durability.
• Advanced Material Research: Utilized in R&D for developing novel polymeric materials with specific functional characteristics.

Basic Information

Product Name	Polyterephthalic Acid Anhydride
CAS No.	26913-45-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	PTA Anhydride; Poly(terephthalic anhydride); Terephthalic Acid Polymeric Anhydride; Poly(oxyterephthaloyl); 1,4-Benzenedicarboxylic Acid, Anhydride Polymer; Poly(1,4-phenylenecarbonyl) Oxide; Poly(terephthaloyl oxide)
EINECS	Contact for details

Quality Control

Our Polyterephthalic Acid Anhydride is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. A comprehensive Certificate of Analysis (COA) documenting these results is available for every shipment to support your quality assurance processes.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Assay (Anhydride Content)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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