Description

Fatty Acids, C18-Unsatd., Dimers, Polymers With Azelaic Acid, Ethylenediamine And Tall-Oil Fatty Acids CAS NO 68139-72-0 is a high-performance polymeric resin derived from renewable vegetable oil sources, primarily designed to impart flexibility, adhesion, and corrosion resistance. This versatile polyamide resin is crucial for formulators seeking durable, water-resistant properties in demanding industrial environments. It is an essential raw material for manufacturers in the coatings, adhesives, and ink industries who require reliable performance from bio-based components.

Application

• Corrosion-Resistant Coatings: Acts as a key binder in high-performance industrial and marine protective coatings, providing excellent adhesion to metal substrates and barrier properties.
• Flexographic and Gravure Inks: Used as a resin vehicle in printing inks, offering good pigment wetting, gloss, and resistance to water and chemicals.
• Adhesives and Sealants: Serves as a tackifying and flexibilizing agent in solvent-based and hot-melt adhesive formulations, enhancing bond strength and elasticity.
• Overprint Varnishes: Imparts scuff resistance, gloss, and water repellency to protective varnishes for packaging and printed materials.
• Can and Coil Coatings: Formulated into coatings for food contact and general industrial metal packaging, contributing to film flexibility and substrate adhesion.
• Industrial Maintenance Paints: A component in primers and topcoats for structural steel, bridges, and industrial equipment, valued for its durability.

Basic Information

Product Name	Fatty Acids, C18-Unsatd., Dimers, Polymers With Azelaic Acid, Ethylenediamine And Tall-Oil Fatty Acids
CAS No.	68139-72-0
Molecular Formula	Complex Polymer - Not Applicable
Molecular Weight	Variable (Polymeric Substance)
Synonyms	Polyamide resin from tall oil fatty acid dimer and azelaic acid; Tall oil polyamide; Dimer acid polyamide; Versamid®-type resin; Non-reactive polyamide; Thermoplastic polyamide resin; Poly(ethylenediamine-alt-azelaic acid-alt-tall oil fatty acid dimer); TOFA polyamide
EINECS	Contact for details

Quality Control

Our production of this polyamide resin adheres to strict quality management systems to ensure batch-to-batch consistency for industrial applications. Key parameters such as amine value, acid value, viscosity, and softening point are rigorously tested. Certificates of Analysis (COA) documenting these specifications are provided with every shipment to guarantee product integrity and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at ambient temperatures (15-25°C). Keep away from heat sources and open flame. Under these conditions, the product is typically stable for at least 24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Yellow to amber solid/pellets
Softening Point (Ring & Ball)	105 - 120 °C
Acid Value	< 10 mg KOH/g
Amine Value	< 10 mg KOH/g
Viscosity (40% in Toluene, 25°C)	200 - 800 mPa·s
Color (Gardner)	< 12

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