Description

Fatty Acids, C18-Unsatd., Dimers, Polymers With Ethylenediamine, Sebacic Acid And Tall-Oil Fatty Acids CAS NO 68604-96-6 is a high-performance polyamide resin intermediate, synthesized from unsaturated C18 fatty acid dimers, ethylenediamine, sebacic acid, and tall oil fatty acids. This complex polymer offers exceptional adhesion, flexibility, and chemical resistance, making it a critical component for formulating durable industrial coatings and adhesives. It is primarily utilized by manufacturers in the paints & coatings, printing inks, and construction chemicals industries seeking to enhance product performance and longevity.

Application

• Reactive Polyamide Resins: Serves as a core building block for manufacturing versatile polyamide curing agents and hardeners for epoxy systems.
• Industrial & Protective Coatings: Imparts excellent corrosion resistance, adhesion, and flexibility in high-performance coatings for marine, automotive, and industrial maintenance applications.
• Printing Inks: Used in the formulation of solvent-based and overprint varnishes to improve gloss, rub resistance, and substrate adhesion.
• Construction Adhesives & Sealants: Enhances the bonding strength, elasticity, and durability of adhesives used in flooring, panels, and general construction.
• Can & Coil Coatings: Provides the necessary chemical resistance and formability for coatings applied to metal packaging and coil stock.
• Foundry & Composite Binders: Acts as a binder or modifier in foundry sands and composite materials, improving mechanical properties.

Basic Information

Item	Details
Product Name	Fatty Acids, C18-Unsatd., Dimers, Polymers With Ethylenediamine, Sebacic Acid And Tall-Oil Fatty Acids
CAS No.	68604-96-6
Molecular Formula	Complex Polymer Mixture
Molecular Weight	Varies (Polymer Distribution)
Synonyms	Polyamide resin from dimerized fatty acid and ethylenediamine; Dimer acid polyamide; Versamid polyamide intermediate; Polyamide hardener intermediate; TOFA polyamide resin; Dimer acid/ethylenediamine/sebacic acid polymer; UNII-8I179P85CL; C18 unsaturated fatty acid dimer polyamide
EINECS	Contact for details

Quality Control

Our production of this polyamide intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as amine value, acid value, viscosity, and color are rigorously tested. A Certificate of Analysis (COA) documenting these specifications is provided with every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is easily oxidized; prolonged storage or exposure to air should be minimized to maintain optimal quality. Keep away from strong oxidizers and heat sources.

Specification

Item	Specification
Appearance	Viscous Amber Liquid
Amine Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	Contact for details
Viscosity (Gardner)	Z2 - Z5
Color (Gardner)	≤ 12
Non-Volatile Matter (%)	≥ 98.0

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