Description

Hexanedioic acid polymer with dimethyl carbonate, 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, 1,6-hexanediol, 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane is a specialized, high-performance polyurethane or polyester-polyol prepolymer designed for demanding industrial applications. This compound matters because it offers a unique combination of properties derived from its multi-component structure, including tailored flexibility, chemical resistance, and durability. Industries requiring advanced coating resins, high-performance adhesives, or specialty elastomers will find this polymer essential for formulating products that must withstand harsh environments.

Application

• High-Performance Coatings and Paints: Used as a key resin component in industrial, automotive, and marine coatings for superior gloss, chemical resistance, and weatherability.
• Advanced Adhesives and Sealants: Serves as a base polymer for structural adhesives, potting compounds, and flexible sealants requiring strong bonding and environmental stability.
• Specialty Elastomers and Urethane Castings: Formulated into durable elastomeric parts, rollers, gaskets, and impact-absorbing components.
• Composite Materials: Acts as a matrix resin or modifier in fiber-reinforced plastics (FRP) and other composite systems to enhance mechanical properties.
• Industrial Fabric Finishes: Applied in coatings for textiles, leather, and non-wovens to impart water resistance, durability, and a desired hand feel.
• Electronic Encapsulants: Used in protective potting and encapsulation compounds for electronic assemblies due to its potential for good electrical insulation and adhesion.

Basic Information

Product Name	Hexanedioic acid polymer with dimethyl carbonate, 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, 1,6-hexanediol, 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane
CAS No.	343326-68-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details (Polymer - variable)
Synonyms	Polyurethane prepolymer based on hexanedioic acid, TMP, NPG, HDO, DMPA, and IPDI; Adipic acid copolymer with neopentyl glycol, trimethylolpropane, and isophorone diisocyanate; Aliphatic polyester polyol-isocyanate adduct; IPDI-based polyester urethane prepolymer; Crosslinkable polyester-urethane resin; CAS 343326-68-1; Polymer of adipic acid, dimethyl carbonate, neopentyl glycol, trimethylolpropane, 1,6-hexanediol, dimethylolpropionic acid, and isophorone diisocyanate.
EINECS	Contact for details

Quality Control

Our production of this advanced polymer adheres to strict quality management systems, ensuring batch-to-batch consistency for critical formulation properties. Key parameters such as NCO/OH content, viscosity, solids content, acid value, and color are rigorously monitored using advanced analytical techniques. Certificates of Analysis (COA) detailing all relevant specifications are provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed, moisture-proof container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures recommended for polyurethane prepolymers, typically between 15°C and 25°C (59°F and 77°F). Keep away from heat, sparks, and open flame. Due to the presence of isocyanate groups, ensure containers are sealed under a dry inert atmosphere (e.g., nitrogen) to prevent moisture absorption and premature polymerization.

Specification

Item	Specification
Appearance	Clear, viscous liquid
Color (Gardner)	≤ 3
Solids Content	70% ± 2%
Viscosity (25°C)	2000 - 5000 mPa·s
NCO Content	4.0 - 6.0 %
Acid Value	≤ 5.0 mg KOH/g
Identification (IR)	Conforms to standard

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