Description

1,3-Isobenzofurandione, Polymer With 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol, 2,5-Furandione And 1,2-Propanediol is a specialized polymeric resin synthesized from phthalic anhydride, trimethylolethane, maleic anhydride, and propylene glycol. This product is engineered to deliver excellent thermal stability and chemical resistance, making it a critical component in high-performance industrial formulations. It is primarily utilized by manufacturers in the coatings, adhesives, and advanced composite materials sectors seeking durable and reliable polymeric binders.

Application

• High-Performance Industrial Coatings: Used as a resin binder in alkyd and polyester coatings for metal, automotive, and machinery, providing enhanced durability and chemical resistance.
• Adhesives and Sealants: Serves as a key polymeric component in structural and specialty adhesives requiring strong bonding and environmental stability.
• Composite Materials: Acts as a matrix resin in fiber-reinforced plastics (FRP) and other composite systems for the automotive and construction industries.
• Electrical Insulating Varnishes: Formulated into wire enamels and insulating coatings for electrical components due to its good dielectric properties and thermal endurance.
• Printing Inks: Employed in the manufacture of heat-set and specialty printing inks to improve gloss, adhesion, and rub resistance.
• Industrial Plasticizers and Modifiers: Used to modify the properties of other polymers, enhancing flexibility, hardness, or reactivity.

Basic Information

Product Name	1,3-Isobenzofurandione, Polymer With 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol, 2,5-Furandione And 1,2-Propanediol
CAS No.	65605-82-5
Molecular Formula	(C8H4O3·C6H14O3·C4H2O3·C3H8O2)n
Molecular Weight	Polymer - Contact for details
Synonyms	Phthalic Anhydride-Trimethylolethane-Maleic Anhydride-Propylene Glycol Copolymer; Poly(phthalic anhydride-co-trimethylolethane-co-maleic anhydride-co-propylene glycol); Trimethylolethane Phthalate Maleate Polyester Resin; TME Phthalate Maleate Resin; Polyester Resin from Phthalic Anhydride, Trimethylolethane, Maleic Anhydride, and Propylene Glycol; Alkyd Resin Modifier; 65605-82-5 Polymer
EINECS	Contact for details

Quality Control

Our production of this polymeric resin adheres to strict quality management systems to ensure batch-to-batch consistency and performance. Key parameters including acid value, hydroxyl value, viscosity, and color are rigorously tested. Certificates of Analysis (COA) documenting these specifications are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and organic solvents. The container must be kept tightly closed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Viscous liquid to solid resin
Color (Gardner)	≤ 4
Acid Value (mg KOH/g)	5 - 25
Hydroxyl Value (mg KOH/g)	50 - 150
Viscosity (at 25°C, cP)	2000 - 10000
Solid Content (%)	60 - 70
Identification (IR)	Conforms

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