Description

1,3-Isobenzofurandione, Polymer With 2,2-Bis(Hydroxymethyl)-1,3-Propanediol, 1,2-Ethanediol, 2,5-Furandione And 1,2-Propanediol is a specialized polymeric resin derived from key monomers including phthalic anhydride and maleic anhydride. This product matters for its ability to provide excellent film-forming properties, chemical resistance, and adhesion, making it a critical component in high-performance industrial coatings. It is primarily needed by manufacturers in the paints, coatings, inks, and adhesive industries seeking durable and reliable polymeric binders.

Application

• Industrial and Protective Coatings: Used as a primary resin in formulations for metal primers, automotive coatings, and corrosion-resistant paints.
• Printing Inks: Serves as a binder in high-quality printing inks, contributing to gloss, rub resistance, and substrate adhesion.
• Adhesives and Sealants: Imparts strength and flexibility in structural adhesive and sealant formulations.
• Can and Coil Coatings: A key component in coatings for food packaging (can linings) and pre-coated metal (coil) due to its stability and non-reactive properties.
• Wood Finishes: Used in varnishes and topcoats for furniture and flooring to enhance durability and aesthetic appeal.
• Specialty Polymers: Acts as a modifier or cross-linking agent in the synthesis of other advanced polymeric materials.

Basic Information

Product Name	1,3-Isobenzofurandione, Polymer With 2,2-Bis(Hydroxymethyl)-1,3-Propanediol, 1,2-Ethanediol, 2,5-Furandione And 1,2-Propanediol
CAS No.	31176-92-8
Molecular Formula	(C8H4O3 · C5H12O4 · C2H6O2 · C4H2O3 · C3H8O2)n
Molecular Weight	Polymeric substance (Contact for details)
Synonyms	Phthalic Anhydride, Trimethylolpropane, Ethylene Glycol, Maleic Anhydride, Propylene Glycol Copolymer; Polyester resin from PA, TMP, EG, MA, PG; PA/TMP/EG/MA/PG Copolymer; Alkyd Resin Modifier; Unsaturated Polyester Polyol; Copolymer of 1,3-Isobenzofurandione and pentols; Maleic-Phthalic Polyester Polyol
EINECS	Contact for details

Quality Control

Our 1,3-Isobenzofurandione copolymer is manufactured under a strict quality management system. Each batch undergoes rigorous testing for key parameters including acid value, hydroxyl value, viscosity, and color to ensure consistency and performance for coating applications. Certificates of Analysis (COA) documenting these specifications are available upon request, providing full traceability and compliance data for 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 flame. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Viscous liquid to solid resin
Color (Gardner)	≤ 3
Acid Value (mg KOH/g)	5 - 15
Hydroxyl Value (mg KOH/g)	50 - 120
Viscosity (at 25°C, cP)	2000 - 8000
Solid Content (%)	60 - 70 (in specified solvent)
Glass Transition Temp (Tg)	Contact for details

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