Description

Fatty Acids, C18-Unsatd., Dimers, Polymers Withethylenediamine, Hexamethylenediamine, Piperazine And Sebacic Acid CAS NO 70983-78-7 is a high-performance polyamide resin intermediate synthesized from dimerized fatty acids and a blend of diamines. This specialized polymer offers a unique balance of flexibility, thermal stability, and chemical resistance, making it a critical raw material for demanding industrial formulations. It is primarily sought by manufacturers in the coatings, adhesives, and specialty plastics industries seeking to enhance product durability and performance.

Application

• Hot-Melt Adhesives (HMA): As a key polymeric component to provide excellent flexibility, adhesion, and thermal stability.
• Industrial & Protective Coatings: Used in epoxy curing agents and polyamide resins to impart corrosion resistance, toughness, and improved substrate wetting.
• Inks & Toners: Serves as a resin modifier to enhance gloss, rub resistance, and pigment dispersion.
• Plastic Additives: Acts as a compatibilizer and impact modifier in engineering plastics and composites.
• Sealants & Caulks: Provides long-term elasticity and adhesion in construction and automotive sealant formulations.
• Foundry Resins: Utilized in binder systems for sand cores and molds due to its thermal properties.

Basic Information

Item	Detail
Product Name	Fatty Acids, C18-Unsatd., Dimers, Polymers Withethylenediamine, Hexamethylenediamine, Piperazine And Sebacic Acid
CAS No.	70983-78-7
Molecular Formula	Complex Polymer Mixture
Molecular Weight	Variable (Polymer Distribution)
Synonyms	Polyamide Resin from Dimer Acid and Mixed Diamines; Dimer Acid Polyamide; Versamid-type Resin; Polyamide Curing Agent; Thermoplastic Polyamide; Dimer Fatty Acid Polyamide; Non-reactive Polyamide; Poly(ethylenediamine-co-hexamethylenediamine-co-piperazine-co-sebacate-co-dimerized fatty acid)
EINECS	Contact for details

Quality Control

Our production of this polyamide resin adheres to strict quality management systems to ensure batch-to-batch consistency. Key parameters such as amine value, acid value, viscosity, and softening point are rigorously tested. A Certificate of Analysis (COA) detailing these specifications is provided with every shipment to guarantee compliance with your formulation requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and sources of heat. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Amber to brown solid/paste
Softening Point (Ring & Ball)	90 - 120 °C
Acid Value	< 10 mg KOH/g
Amine Value	Contact for details
Viscosity (at 160°C)	Contact for details
Color (Gardner)	< 12

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