Description

Fatty Acids, C18-Unsatd., Dimers, Polymers With Ethylenediamine And Propylenediamine is a high-performance polyamide resin intermediate derived from unsaturated C18 fatty acid dimers. This compound matters for its excellent adhesive, film-forming, and rheological modification properties, making it a critical component in formulating durable industrial products. It is primarily needed by manufacturers in the coatings, adhesives, printing inks, and construction chemical industries seeking to enhance product durability and performance.

Application

• Primary raw material for thermosetting polyamide resins used in high-performance industrial coatings and adhesives.
• Key intermediate in the production of corrosion-resistant primers and marine paints.
• Rheology modifier and binder in flexographic and gravure printing inks.
• Component in epoxy curing agents and hardeners for composite materials.
• Building block for hot-melt adhesives and sealants in packaging and construction.
• Additive for improving the flexibility and adhesion of alkyd resins and surface coatings.

Basic Information

Product Name	Fatty Acids, C18-Unsatd., Dimers, Polymers With Ethylenediamine And Propylenediamine
CAS No.	68650-54-4
Molecular Formula	Typically a complex mixture; C18 dimer acid-based polyamide
Molecular Weight	Varies by polymer chain length. Contact for details.
Synonyms	Polyamide resin from dimerized fatty acids and ethylenediamine/propylenediamine; Dimer acid polyamide; Versamid-type polyamide resin; Polyamide hardener intermediate; UNI-REZ 2115 (example trade name); Thermoplastic polyamide from dimer acid; C36 Dimer acid polyamide amine; Fatty diamide polymer
EINECS	Contact for details.

Quality Control

Our production of Fatty Acids, C18-Unsatd., Dimers, Polymers With Ethylenediamine And Propylenediamine adheres to stringent quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as amine value, acid value, viscosity, and color are rigorously tested. Certificates of Analysis (COA) documenting all relevant specifications are available upon request to support your quality assurance protocols.

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). Keep container tightly sealed when not in use to prevent absorption of atmospheric moisture, which can affect product properties.

Specification

Item	Specification
Appearance	Viscous amber to brown liquid or solid
Amine Value	Contact for details
Acid Value	Contact for details
Viscosity (at 25°C)	Contact for details
Color (Gardner)	≤ 12 (Typical)
Softening Point	Contact for details
Moisture Content	≤ 0.5%

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