Description

1,3-Benzenedicarboxylic Acid, Polymer With 2,2-Dimethyl-1,3-Propanediol, 2,5-Furandione And 1,2-Propanediol CAS NO 32762-75-7 is a specialized polyester resin, engineered for high-performance applications requiring exceptional durability and chemical resistance. This polymer is valued for its ability to form tough, resilient coatings and matrices that withstand demanding environmental and mechanical stress. It is primarily sought by manufacturers in the coatings, adhesives, and advanced composite materials industries.

Application

• High-Performance Industrial Coatings: Used as a key resin in formulations for protective coatings on metal, concrete, and plastics, offering excellent weatherability and chemical resistance.
• Automotive and Aerospace Composites: Serves as a matrix resin for fiber-reinforced plastics (FRP) in lightweight structural components.
• Adhesives and Sealants: Provides strong bonding and flexibility in industrial-grade adhesive systems for construction and assembly.
• Electrical Encapsulation: Utilized for potting and encapsulating electronic components due to its good insulating properties and dimensional stability.
• Powder Coatings: A critical raw material in the production of durable, decorative, and functional powder coatings for appliances and furniture.
• Ink and Printing Resins: Imparts hardness and gloss in specialty overprint varnishes and printing inks.

Basic Information

Item	Detail
Product Name	1,3-Benzenedicarboxylic Acid, Polymer With 2,2-Dimethyl-1,3-Propanediol, 2,5-Furandione And 1,2-Propanediol
CAS No.	32762-75-7
Molecular Formula	(C8H6O4 • C5H12O2 • C4H2O3 • C3H8O2)x
Molecular Weight	Polymer - Variable
Synonyms	Poly(neopentyl glycol-isophthalate-maleate-propylene glycol); Isophthalic Acid-Neopentyl Glycol-Maleic Anhydride-Propylene Glycol Copolymer; Polyester Resin based on IPA, NPG, MA, and PG; Unsaturated Polyester Resin (UPR); IPA/NPG/MA/PG Copolymer; Light-stabilized Polyester Resin; Alkyd Resin Modifier
EINECS	Contact for details

Quality Control

Our production of this polyester resin adheres to strict quality management systems, ensuring batch-to-batch consistency for critical performance parameters like viscosity, acid value, and gel time. Certificates of Analysis (COA) are provided with each shipment, detailing key specifications. While produced under ISO 9001 guidelines, specific grades can be tailored to meet customer-defined or industry-specific standards.

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 recommended conditions, the product is typically stable for 24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Clear, viscous liquid to pale solid
Acid Value (mg KOH/g)	5 - 25
Viscosity (at 25°C, cP)	500 - 5000
Gel Time (at 25°C, min)	10 - 60
Non-Volatile Content (%)	≥ 65
Color (Gardner)	≤ 3

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