Description

1,3-Isobenzofurandione, Polymer With Ethenylbenzene, 2,5-Furandione And 1,2-Propanediol CAS NO 26182-24-1 is a high-performance polymeric resin synthesized from phthalic anhydride, styrene, maleic anhydride, and propylene glycol. This specialized copolymer is engineered to deliver exceptional thermal stability and chemical resistance, making it a critical component in demanding industrial formulations. It is primarily sought after by manufacturers in the coatings, adhesives, and advanced composite materials sectors for its robust performance characteristics.

Application

• High-Performance Industrial Coatings: Used as a key resin binder in heat-resistant and chemically resistant paints for automotive, aerospace, and industrial equipment.
• Advanced Adhesives and Sealants: Serves as a base polymer in structural adhesives requiring strong bonding under thermal stress and exposure to solvents.
• Composite Materials: Acts as a matrix resin in fiber-reinforced plastics (FRP) for applications demanding high strength-to-weight ratios and durability.
• Electrical Insulating Varnishes: Formulated into wire enamels and insulating coatings for motors and transformers due to its excellent dielectric properties and thermal endurance.
• Printing Inks: Utilized in specialty printing inks that require fast curing, high gloss, and resistance to abrasion and chemicals.
• Engineered Thermoplastics Modifier: Incorporated as an additive to enhance the heat distortion temperature and mechanical properties of engineering plastics.

Basic Information

Item	Detail
Product Name	1,3-Isobenzofurandione, Polymer With Ethenylbenzene, 2,5-Furandione And 1,2-Propanediol
CAS No.	26182-24-1
Molecular Formula	(C8H4O3 · C8H8 · C4H2O3 · C3H8O2)x
Molecular Weight	Polymeric substance (variable)
Synonyms	Styrene Maleic Anhydride Propylene Glycol Phthalic Anhydride Copolymer; SMA-PG-PA Copolymer; Poly(Styrene-alt-Maleic Anhydride) modified with Phthalic Anhydride and Propylene Glycol; Phthalic Anhydride-Styrene-Maleic Anhydride-Propylene Glycol Polymer; Aromatic Polyester Copolymer Resin; SMA-based Polyester Resin; Thermosetting Alkyd-type Copolymer
EINECS	Contact for details

Quality Control

Our production of 1,3-Isobenzofurandione, Polymer With Ethenylbenzene, 2,5-Furandione And 1,2-Propanediol adheres to stringent quality management protocols. Each batch is characterized for critical parameters including acid value, viscosity, glass transition temperature (Tg), and residual monomer content to ensure consistent performance. Certificates of Analysis (COA) documenting these specifications are provided with every shipment to guarantee compliance with your formulation requirements.

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 product is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) after opening to prevent degradation and maintain optimal quality. Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Pale yellow to amber solid or flakes
Identification (IR)	Conforms to structure
Acid Value	Contact for details
Viscosity (Solution)	Contact for details
Glass Transition Temperature (Tg)	Contact for details
Softening Point	Contact for details
Residual Monomer	< 1.0% (by HPLC)
Moisture Content	< 0.5%

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