Description

1,3-Isobenzofurandione, Polymer With 1,6-Hexanediol CAS NO 54797-78-3 is a high-performance polyester resin derived from phthalic anhydride and hexanediol. This polymer is valued for its excellent chemical resistance, thermal stability, and robust mechanical properties, making it a critical component in demanding industrial formulations. It is primarily sought by manufacturers in the coatings, adhesives, and specialty plastics industries for creating durable, protective, and high-quality end products.

Application

• High-Performance Industrial Coatings: Used as a resin binder in powder coatings, coil coatings, and can coatings, providing excellent corrosion resistance, adhesion, and weatherability.
• Adhesives and Sealants: Serves as a key polymeric component in structural adhesives and sealants, offering strong bonding strength and flexibility.
• Engineering Plastics and Composites: Acts as a modifier or base resin in composite materials, enhancing thermal stability and chemical resistance for automotive and electrical components.
• Inks and Pigment Dispersions: Utilized in specialty printing inks and as a grinding resin for pigment dispersions, improving color development and print durability.
• Fiber Reinforced Polymers (FRP): Incorporated into fiberglass and other reinforced plastics for applications requiring high strength-to-weight ratios and chemical inertness.
• Electrical Insulation Materials: Used in the formulation of insulating varnishes and encapsulants for electronic components due to its good dielectric properties.

Basic Information

Item	Details
Product Name	1,3-Isobenzofurandione, Polymer With 1,6-Hexanediol
CAS No.	54797-78-3
Molecular Formula	(C8H4O3·C6H14O2)n
Molecular Weight	Polymer - Contact for details
Synonyms	Hexanediol Phthalate Polymer; Poly(1,6-hexanediol phthalate); Phthalic Anhydride-Hexanediol Copolymer; Poly(hexamethylene phthalate); 1,6-Hexanediol/Phthalic Anhydride Copolymer; Polyester Resin from Phthalic Anhydride and 1,6-Hexanediol; PHA-HD Polyester; Hexanediol Phthalate Resin
EINECS	Contact for details

Quality Control

Our production of 1,3-Isobenzofurandione, Polymer With 1,6-Hexanediol adheres to stringent quality management protocols. Each batch undergoes comprehensive analysis to ensure consistency in key parameters such as acid value, hydroxyl value, viscosity, and glass transition temperature (Tg). Certificates of Analysis (COA) documenting these specifications are available upon request, providing full traceability and compliance assurance for your quality systems.

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). Keep away from strong acids and organic solvents. The material is typically stable under these conditions; prolonged exposure to high humidity or extreme temperatures should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Acid Value	≤ 5.0 mg KOH/g
Hydroxyl Value	Contact for details
Viscosity (at 25°C)	Contact for details
Glass Transition Temp (Tg)	Contact for details
Melting Point / Softening Point	Contact for details
Moisture Content	≤ 0.5%
Identification (IR)	Conforms

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