Description

1,3-Isobenzofurandione, hexahydro-, polymer with 1,6-diisocyanato-2,2,4-trimethylhexane, 1,6-diisocyanato-2,4,4-trimethylhexane, 2,2-dimethyl-1,3-propanediol and 1,6-hexanediol is a high-performance, aliphatic polyurethane prepolymer or resin derived from a specialized reaction of hexahydrophthalic anhydride and isophorone diisocyanate isomers with diols. This compound is engineered to deliver exceptional weatherability, chemical resistance, and mechanical durability in demanding industrial applications. It is a critical raw material for formulators and manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries seeking to enhance product performance.

Application

• High-Performance Coatings: Used as a key resin component in automotive clear coats, industrial maintenance paints, and marine coatings where superior UV resistance and gloss retention are required.
• Elastomers and Sealants: Serves as a prepolymer for manufacturing polyurethane elastomers, gaskets, and flexible sealants that demand excellent hydrolytic stability and toughness.
• Adhesives: Formulated into structural and laminating adhesives for bonding plastics, metals, and composites, offering strong adhesion and environmental resistance.
• Industrial Rollers and Castings: A base material for producing durable rollers, wheels, and impact-resistant cast parts in material handling and machinery.
• Fiber Optic Coatings: Provides protective, flexible secondary coatings for optical fibers due to its low moisture absorption and reliable performance.
• Specialty Inks: Utilized in formulations for abrasion-resistant and flexible printing inks used on plastics and other substrates.

Basic Information

Product Name	1,3-Isobenzofurandione, hexahydro-, polymer with 1,6-diisocyanato-2,2,4-trimethylhexane, 1,6-diisocyanato-2,4,4-trimethylhexane, 2,2-dimethyl-1,3-propanediol and 1,6-hexanediol
CAS No.	121029-02-5
Molecular Formula	Polymeric substance; Contact for details
Molecular Weight	Polymeric substance; Contact for details
Synonyms	Hexahydrophthalic anhydride-isophorone diisocyanate-diol copolymer; Aliphatic polyurethane resin based on IPDI and HHPA; IPDI-HHPA polyurethane prepolymer; Polyurethane resin CAS 121029-02-5; Isophorone diisocyanate/hexahydrophthalic anhydride copolymer; Light-stable aliphatic polyurethane resin; Copolymer of 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione and 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane with neopentyl glycol and hexanediol
EINECS	Contact for details

Quality Control

Our production of this polyurethane resin adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as NCO content, viscosity, solids content, and color are rigorously monitored using advanced analytical techniques. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed, moisture-proof container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15°C and 25°C (59°F and 77°F). Keep away from heat, open flames, and sources of ignition. Under these conditions, the product is typically stable for 12-24 months from the date of manufacture. Always check the specific label or technical data sheet for the recommended shelf life.

Specification

Item	Specification
Appearance	Clear, viscous liquid
Color (Gardner)	≤ 2
NCO Content (%)	To be specified per grade
Viscosity (at 25°C, mPa·s)	To be specified per grade
Solids Content (%)	To be specified per grade
Acid Value (mg KOH/g)	≤ 1.0
Identification (IR)	Conforms to standard

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