Description

Fatty Acids, C18-Unsatd., Dimers, Polymers With Ethylenediamine, Hexamethylenediamine And Tall-Oil Fatty Acids is a high-performance polyamide resin intermediate derived from dimerized and polymerized unsaturated C18 fatty acids, primarily tall oil fatty acids, reacted with ethylenediamine and hexamethylenediamine. This specialized chemical offers enhanced thermal stability, flexibility, and adhesion properties crucial for formulating advanced polymeric materials. It is essential for manufacturers in the coatings, adhesives, and ink industries seeking to develop products with superior durability and performance characteristics.

Application

• Reactive Modifier for Epoxy Resins: Imparts flexibility and improved impact resistance to cured epoxy systems for coatings and composites.
• Corrosion Inhibiting Primer Formulation: Serves as a key building block in polyamide-based curing agents for high-performance protective coatings.
• Flexographic and Gravure Inks: Used in the synthesis of polyamide resins that provide excellent adhesion to flexible films like polyethylene and polypropylene.
• Hot-Melt Adhesives: Acts as a polymeric backbone to enhance the thermal stability and bonding strength of adhesive formulations.
• Industrial Maintenance Coatings: A critical component in polyamide hardeners for two-pack protective coatings used in marine, infrastructure, and industrial environments.
• Can and Coil Coatings: Contributes to the development of resins with the necessary chemical resistance and formability for metal packaging and pre-coated steel.

Basic Information

Item	Details
Product Name	Fatty Acids, C18-Unsatd., Dimers, Polymers With Ethylenediamine, Hexamethylenediamine And Tall-Oil Fatty Acids
CAS No.	68552-06-7
Molecular Formula	Complex polymeric mixture; typically based on C36, C54, and higher dimer/trimer acid structures with amide linkages.
Molecular Weight	Varies (Polymeric Mixture)
Synonyms	Polyamide resin intermediate; Dimer acid polyamide; Tall oil fatty acid polyamide resin; TOFA polyamide intermediate; Polyamide hardener intermediate; Ethylenediamine/hexamethylenediamine adduct of dimerized fatty acids; Polymerized fatty acids-ethylenediamine-hexamethylenediamine adduct; UNII-9FZ9891WKL
EINECS	Contact for details

Quality Control

Our production of this polyamide intermediate adheres to strict batch-to-batch consistency protocols. Quality is monitored through key parameters including amine value, acid value, viscosity, and color to ensure it meets the precise requirements for downstream resin synthesis. Certificates of Analysis (COA) detailing these specifications are provided with every shipment to guarantee traceability and performance reliability for your formulations.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and organic solvents. The product has a typical shelf life of 24 months when stored under these recommended conditions.

Specification

Item	Specification
Appearance	Viscous amber liquid
Identification (IR)	Complies
Amine Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	Contact for details
Viscosity @ 25°C (cP)	Contact for details
Color (Gardner)	≤ 12
Non-Volatile Matter (%)	≥ 99.0

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