Description

Fatty Acids, C18-Unsatd., Dimers, Polymers With Bisphenol A, Diethylenetriamine, Epichlorohydrin, Tall-Oil Fatty Acids And Triethylenetetramine is a high-performance, multi-functional polymeric resin derived from renewable tall oil fatty acids. This advanced chemical is engineered to deliver exceptional adhesion, chemical resistance, and thermal stability, making it a critical component in demanding industrial formulations. It is primarily utilized by manufacturers in the coatings, adhesives, sealants, and composites industries seeking to enhance the durability and performance of their products.

Application

• High-Performance Industrial Coatings: Used as a binder or cross-linking agent in epoxy and polyamide-based coatings for marine, protective, and automotive applications, providing excellent corrosion and chemical resistance.
• Structural Adhesives & Sealants: Serves as a key toughening and flexibilizing component in epoxy adhesives for aerospace, automotive, and construction, improving peel strength and impact resistance.
• Composite Materials: Acts as a matrix resin or modifier in fiber-reinforced plastics (FRP) and electrical laminates, enhancing mechanical properties and processability.
• Foundry & Molding Sands: Utilized in cold-box and no-bake binder systems for metal casting, offering good curing characteristics and shake-out properties.
• Cationic Electro-deposition (E-Coat): Functions as a resin component in electrocoat primers for automotive and appliance industries, ensuring uniform coverage and superior substrate adhesion.
• Grouts and Flooring Compounds: Incorporated into high-strength, chemical-resistant flooring and repair mortars for industrial and commercial facilities.

Basic Information

Product Name	Fatty Acids, C18-Unsatd., Dimers, Polymers With Bisphenol A, Diethylenetriamine, Epichlorohydrin, Tall-Oil Fatty Acids And Triethylenetetramine
CAS No.	139682-51-2
Molecular Formula	Complex Polymer Mixture
Molecular Weight	Variable (Polymer Distribution)
Synonyms	Epoxy polyamide resin from tall oil fatty acids; Tall oil fatty acid dimer-based epoxy polyamide adduct; TOFA-based epoxy polyamide curing agent; Polyamide-epoxy adduct; Epoxy resin hardener; C18 unsaturated fatty acid dimer polymer with bisphenol A and amines; Epoxy polyamide toughener; Adhesive resin 139682-51-2
EINECS	Contact for details

Quality Control

Our production of this advanced polymeric resin adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as amine value, epoxy equivalent weight, viscosity, and gel time are rigorously monitored. A comprehensive Certificate of Analysis (COA) detailing specific lot specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

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 heat sources and open flame. Under recommended conditions, the product is typically stable for 24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Viscous liquid, amber to brown
Amine Value (mg KOH/g)	Contact for details
Viscosity (at 25°C, cP)	Contact for details
Epoxy Equivalent Weight (EEW, g/eq)	Contact for details
Non-Volatile Matter (%)	> 99
Color (Gardner)	< 12
Gel Time (min, with standard epoxy)	Contact for details

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