Description

Fatty Acids, C18-Unsatd., Dimers, Polymers With Acetic Acid, Ethylenediamine And Trimethylenediamine is a complex polyamide resin derived from dimerized unsaturated C18 fatty acids, reacted with polyamines and acetic acid. This specialized polymer is engineered to provide excellent adhesion, flexibility, and chemical resistance in demanding industrial formulations. It is a critical intermediate for manufacturers in the coatings, adhesives, and ink industries seeking to enhance the performance and durability of their products.

Application

• Corrosion-Resistant Coatings: Acts as a key binder and flexibilizer in high-performance industrial and marine protective coatings.
• High-Strength Adhesives & Sealants: Used in formulating reactive polyamide adhesives for construction, automotive, and packaging applications.
• Printing Inks: Serves as a resin component in solvent-based and overprint varnishes to improve gloss, adhesion, and rub resistance.
• Epoxy Curing Agents: Functions as a versatile curing agent and toughener for epoxy resin systems.
• Industrial Flooring & Linings: Imparts chemical resistance and durability to self-leveling floors and tank linings.
• Foundry & Casting Resins: Utilized in core and mold-making processes for metal casting.

Basic Information

Item	Detail
Product Name	Fatty Acids, C18-Unsatd., Dimers, Polymers With Acetic Acid, Ethylenediamine And Trimethylenediamine
CAS No.	68154-51-8
Molecular Formula	Complex mixture; Contact for details
Molecular Weight	Variable polymer distribution
Synonyms	Polyamide resin from dimer acid; Dimer acid polyamide; Versamid polyamide; Polyamide curing agent; UNI-REZ polyamide; Thermoplastic polyamide resin; Dimer fatty acid polyamide; C18 unsaturated fatty acid dimer polyamide
EINECS	Contact for details

Quality Control

Our production of this polyamide resin adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as amine value, viscosity, and color are rigorously tested. A comprehensive Certificate of Analysis (COA) detailing all relevant 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 hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent absorption of atmospheric moisture which can affect product performance.

Specification

Item	Specification
Appearance	Viscous amber liquid to solid
Amine Value	Contact for details
Viscosity (at 25°C)	Contact for details
Color (Gardner)	≤ 12
Softening Point (Ring & Ball)	Contact for details
Solubility	Soluble in common organic solvents

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