Description

9,12-Octadecadienoic Acid (9Z,12Z)-, Dimer, Polymer With n-(2-Aminoethyl)-1,2-Ethanediamine is a high-performance polyamide resin derived from linoleic acid dimer. This specialized polymer is valued for its unique combination of flexibility, adhesion, and chemical resistance, making it a critical intermediate in advanced material formulations. It is primarily sought by manufacturers in the coatings, adhesives, and ink industries seeking to enhance product durability and performance.

Application

• High-Performance Coatings: Acts as a reactive diluent and flexibilizer in epoxy and polyamide curing agents for industrial, marine, and protective coatings.
• Adhesives & Sealants: Used as a building block in polyamide hot-melt adhesives, providing excellent adhesion to difficult substrates and improved low-temperature flexibility.
• Printing Inks: Serves as a resin modifier in solvent-based and overprint varnishes to improve gloss, adhesion, and rub resistance.
• Corrosion Inhibitors: Functions as a key component in formulations for rust-preventative primers and coatings.
• Composite Materials: Employed as a toughening agent and crosslinker in fiber-reinforced polymer composites.
• Industrial Maintenance Paints: Enhances the durability, water resistance, and chemical resistance of maintenance and heavy-duty coatings.

Basic Information

Product Name	9,12-Octadecadienoic Acid (9Z,12Z)-, Dimer, Polymer With n-(2-Aminoethyl)-1,2-Ethanediamine
CAS No.	37189-83-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Linoleic Acid Dimer Diamine Polyamide; Polyamide Resin from Linoleic Acid Dimer and Diethylenetriamine; Dimer Acid Polyamide; Versamid®-type Polyamide (generic); N-(2-Aminoethyl)-1,2-ethanediamine polymer with 9,12-octadecadienoic acid (9Z,12Z)- dimer; Polyamide curing agent; Reactive Polyamide; Dimer Diamine Polyamide Resin.
EINECS	Contact for details

Quality Control

Our 9,12-Octadecadienoic Acid Dimer Polyamide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including determination of amine value, viscosity, and color, to ensure consistency and performance for your formulations. Certificates of Analysis (COA) documenting full specifications are available upon request to support your quality assurance and regulatory 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/59-77°F). This product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent absorption of atmospheric moisture. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	Viscous amber liquid
Identification (IR)	Conforms
Amine Value (mg KOH/g)	Contact for details
Viscosity (at 25°C)	Contact for details
Color (Gardner)	≤ 12
Moisture Content	≤ 0.5%

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