Description

1,3-Isobenzofurandione, Polymer With 2,5-Furandione, Oxybispropanol And 1,2-Propanediol is a specialized polymeric resin derived from phthalic anhydride and maleic anhydride, modified with glycols. This product is valued for its ability to form durable, cross-linked coatings and films with excellent chemical resistance and adhesion properties. It is primarily sought by manufacturers in the coatings, adhesives, and advanced composite materials industries for high-performance applications.

Application

• Industrial Coatings Binder: Used as a key resin component in high-performance protective coatings for metal, concrete, and plastic substrates, offering enhanced weatherability and corrosion resistance.
• Adhesive Formulations: Serves as a toughening agent and cross-linker in structural and specialty adhesive systems, improving bond strength and thermal stability.
• Composite Materials: Employed as a matrix resin or modifier in fiber-reinforced plastics (FRP) and other composite materials for the automotive and aerospace sectors.
• Electrical Insulating Varnishes: A critical ingredient in wire enamels and insulating varnishes due to its good dielectric properties and thermal endurance.
• Printing Inks: Utilized in the formulation of high-quality, durable printing inks that require fast curing and strong substrate adhesion.
• Can and Coil Coatings: Provides the necessary flexibility and chemical resistance for coatings applied to food containers, beverage cans, and pre-coated metal coils.

Basic Information

Product Name	1,3-Isobenzofurandione, Polymer With 2,5-Furandione, Oxybispropanol And 1,2-Propanediol
CAS No.	37347-86-7
Molecular Formula	(C8H4O3·C4H2O3·C6H14O3·C3H8O2)n
Molecular Weight	Polymeric substance
Synonyms	Phthalic Anhydride-Maleic Anhydride-Dipropylene Glycol-Propylene Glycol Copolymer; Maleic Anhydride-Phthalic Anhydride-Dipropylene Glycol-Propylene Glycol Copolymer; Poly(phthalic anhydride-co-maleic anhydride-co-oxybispropanol-co-propylene glycol); PA-MA-DPG-PG Copolymer; Alkyd Resin Modifier; Unsaturated Polyester Polyol; CAS 37347-86-7
EINECS	Contact for details

Quality Control

Our production of 1,3-Isobenzofurandione, Polymer With 2,5-Furandione, Oxybispropanol And 1,2-Propanediol adheres to stringent quality management protocols. Each batch is characterized for critical parameters including acid value, viscosity, hydroxyl value, and color to ensure consistency and performance. Certificates of Analysis (COA) documenting these specifications are available upon request, supporting your quality assurance and regulatory compliance needs.

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). This material is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	Viscous liquid to solid resin
Color (Gardner)	≤ 4
Acid Value (mg KOH/g)	10 - 50
Viscosity (at 25°C, cP)	2000 - 10000
Hydroxyl Value (mg KOH/g)	50 - 150
Solid Content (%)	≥ 98.0
Identification (IR)	Conforms

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