Description

1,3-Benzenedicarboxylic acid, polymer with 2,5-furandione, 1,2-propanediol and 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione is a specialized polyester-based copolymer designed to deliver enhanced thermal stability and mechanical properties. This engineered polymer is critical for formulators seeking to create high-performance, durable materials for demanding industrial applications. It is primarily utilized in the production of advanced coatings, adhesives, and composite materials where chemical resistance and structural integrity are paramount.

Application

• High-Performance Industrial Coatings: Used as a key resin binder to formulate protective coatings for metal, concrete, and automotive components, offering excellent weatherability and chemical resistance.
• Structural Adhesives and Sealants: Serves as a base polymer in adhesives for aerospace, automotive, and construction, providing strong bonding under thermal and mechanical stress.
• Fiber-Reinforced Composites: Acts as a matrix resin in the manufacture of composite materials for the transportation and wind energy sectors, enhancing strength-to-weight ratios.
• Electrical Encapsulation and Potting Compounds: Employed in electronic applications to protect sensitive components due to its good insulating properties and thermal endurance.
• Industrial Fiber and Film Production: Utilized in the extrusion of specialty fibers and films that require dimensional stability and resistance to oils and solvents.
• Additive for Polymer Modification: Incorporated as a performance additive into other polymer systems to improve heat deflection temperature and toughness.

Basic Information

Product Name	1,3-Benzenedicarboxylic acid, polymer with 2,5-furandione, 1,2-propanediol and 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione
CAS No.	54626-77-6
Molecular Formula	(C8H6O4 · C4H2O3 · C3H8O2 · C8H8O3)n
Molecular Weight	Polymer - Variable
Synonyms	Isophthalic Acid - Maleic Anhydride - Propylene Glycol - Tetrahydrophthalic Anhydride Copolymer; Poly(isophthalic acid-co-maleic anhydride-co-propylene glycol-co-tetrahydrophthalic anhydride); THPA-Maleic-Isophthalic Polyester Resin; Unsaturated Polyester Resin based on Isophthalic Acid, Maleic Anhydride, Propylene Glycol, and Tetrahydrophthalic Anhydride; IPA/MA/PG/THPA Copolymer; 54626-77-6; Copolymer of Isophthalic Acid, Maleic Anhydride, 1,2-Propanediol, and 3a,4,7,7a-Tetrahydro-1,3-isobenzofurandione
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 applications. Key parameters including acid value, viscosity, and thermal properties are rigorously monitored. Certificates of Analysis (COA) detailing specific lot specifications are available upon request to support your quality assurance protocols.

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 heat sources and open flames. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Pale yellow to amber solid or viscous liquid
Identification (IR)	Conforms to structure
Acid Value	15 - 35 mg KOH/g
Viscosity (at 25°C)	2000 - 8000 mPa·s (Solution in Styrene)
Volatile Content	≤ 2.0 %
Gel Time (at 25°C)	10 - 25 min

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