Description

1,3-Isobenzofurandione, Polymer With 2,2-Dimethyl-1,3-Propanediol And 1,2-Ethanediol is a specialized polymeric resin derived from phthalic anhydride, neopentyl glycol, and ethylene glycol. This product is engineered to provide a robust and versatile chemical backbone for high-performance industrial formulations. It is primarily sought after by manufacturers in the coatings, adhesives, and specialty plastics industries seeking to enhance product durability and chemical resistance.

Application

• Synthetic Resin Precursor: Serves as a key intermediate in the production of alkyd and polyester resins for industrial coatings.
• High-Performance Coatings: Used in formulations for automotive, marine, and appliance coatings requiring excellent gloss retention and weatherability.
• Adhesive & Sealant Systems: Imparts flexibility and adhesion in structural adhesives and sealants.
• Plasticizer & Modifier: Acts as a polymeric plasticizer or modifier to improve the impact resistance and processing of engineering plastics.
• Electrical Insulation: Utilized in wire enamels and insulating varnishes due to its thermal stability and dielectric properties.
• Printing Inks: A component in high-quality printing inks, contributing to film hardness and drying properties.

Basic Information

Product Name	1,3-Isobenzofurandione, Polymer With 2,2-Dimethyl-1,3-Propanediol And 1,2-Ethanediol
CAS No.	97649-74-6
Molecular Formula	(C8H4O3 · C5H12O2 · C2H6O2)n
Molecular Weight	Polymeric substance (Contact for details)
Synonyms	Phthalic Anhydride-Neopentyl Glycol-Ethylene Glycol Copolymer; Poly(neopentyl glycol-co-ethylene glycol phthalate); Polyester resin from phthalic anhydride, neopentyl glycol, and ethylene glycol; Alkyd resin based on NPG and EG; NPG/EG Phthalate Copolymer; 2,2-Dimethyl-1,3-propanediol, polymer with 1,2-ethanediol and 1,3-isobenzofurandione; Phthalic anhydride polymer with neopentyl glycol and ethylene glycol.
EINECS	Contact for details

Quality Control

Our production of 1,3-Isobenzofurandione, Polymer With 2,2-Dimethyl-1,3-Propanediol And 1,2-Ethanediol adheres to stringent quality management protocols. Each batch undergoes rigorous testing to ensure consistent properties such as acid value, hydroxyl value, viscosity, and color. 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, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white flakes or solid
Acid Value (mg KOH/g)	≤ 5.0
Hydroxyl Value (mg KOH/g)	Contact for details
Viscosity (at 25°C)	Contact for details
Softening Point	Contact for details
Color (Gardner)	≤ 2
Moisture Content	≤ 0.5%

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