Description

5-Isobenzofurancarboxylic Acid, 1,3-Dihydro-1,3-Dioxo-, Polymer With Oxiranylmethyl Neodecanoate CAS NO 128730-81-4 is a specialized polymeric chemical intermediate designed for high-performance applications. This compound is valued for its ability to impart enhanced durability, chemical resistance, and adhesion properties to final formulations. It is primarily sought by manufacturers in the coatings, adhesives, and advanced polymer industries seeking to improve product performance and longevity.

Application

• High-Performance Industrial Coatings: Used as a cross-linking agent or modifier in epoxy-based coatings for metal, concrete, and plastic substrates to enhance corrosion and chemical resistance.
• Advanced Adhesives and Sealants: Serves as a key component in structural adhesives, providing improved bond strength, flexibility, and environmental stability.
• Composite Materials: Incorporated into fiber-reinforced polymers (FRP) and other composite systems to optimize matrix properties and interfacial adhesion.
• Electronic Encapsulants: Utilized in potting compounds and encapsulants to protect sensitive electronic components from moisture, thermal stress, and mechanical shock.
• Specialty Inks and Pigments: Acts as a dispersant or binder in pigment preparations and specialty printing inks requiring high durability.
• Polymer Modification: Employed to modify the physical and chemical characteristics of base polymers, tailoring them for specific industrial needs.

Basic Information

Item	Detail
Product Name	5-Isobenzofurancarboxylic Acid, 1,3-Dihydro-1,3-Dioxo-, Polymer With Oxiranylmethyl Neodecanoate
CAS No.	128730-81-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Poly(phthalic anhydride-co-neodecanoic acid glycidyl ester); Epoxy resin modifier based on phthalic anhydride and neodecanoate; Glycidyl neodecanoate-phthalic anhydride copolymer; Oxiranylmethyl neodecanoate polymer with 1,3-dihydro-1,3-dioxoisobenzofuran-5-carboxylic acid; Phthalic anhydride copolymer with glycidyl neodecanoate; Epoxy functional polymeric plasticizer; CAS 128730-81-4
EINECS	Contact for details

Quality Control

Our production of 5-Isobenzofurancarboxylic Acid, 1,3-Dihydro-1,3-Dioxo-, Polymer With Oxiranylmethyl Neodecanoate adheres to a rigorous quality management system to ensure batch-to-batch consistency and performance reliability. All materials are subjected to comprehensive analytical testing, including determination of epoxy equivalent weight, viscosity, and purity. Certificates of Analysis (COA) documenting all key parameters are available upon request to support 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). This material is hygroscopic (moisture-sensitive); ensure containers are kept sealed when not in use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Viscous liquid to semi-solid
Color (Gardner)	≤ 4
Epoxy Equivalent Weight (EEW)	Contact for details
Viscosity @ 25°C	Contact for details
Acid Value	≤ 2.0 mg KOH/g
Identification (IR)	Conforms
Solids Content	Contact for details

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