Description

9,12-Octadecadienoic Acid (Z,Z)-Dimer, Polymer With 2,5-Furandione) is a polymeric alkenyl succinic anhydride (ASA) derivative, synthesized from linoleic acid. This compound is valued for its reactive anhydride functionality and hydrophobic aliphatic backbone, making it a versatile intermediate for chemical modification. It is primarily sought by manufacturers in the polymer, coatings, and adhesives industries for developing specialized performance materials.

Application

• Polymer Modification: Acts as a reactive intermediate for the synthesis of alkyd resins, polyesters, and other specialty polymers, imparting flexibility and hydrophobic properties.
• Curing Agent for Epoxy Resins: Used as an anhydride-based curing agent to produce epoxy systems with enhanced thermal stability and chemical resistance.
• Surface Coatings & Inks: Employed in the formulation of high-performance industrial coatings, printing inks, and overprint varnishes to improve adhesion and water resistance.
• Adhesives & Sealants: Serves as a key component in the production of hot-melt and pressure-sensitive adhesives, contributing to tack and bond strength.
• Paper Sizing Agent: Functions as an internal sizing agent in paper manufacturing to control water absorption and improve printability.
• Lubricant & Fuel Additive Intermediate: Used in the synthesis of succinimide dispersants and other additives for lubricating oils and fuels.
• Crosslinking Agent: Utilized to crosslink polymers containing hydroxyl or amine groups, enhancing the durability of the final network.
• Research & Development: Serves as a building block in R&D for creating novel surfactants, corrosion inhibitors, and other functional chemicals.

Basic Information

Item	Details
Product Name	9,12-Octadecadienoic Acid (Z,Z)-Dimer, Polymer With 2,5-Furandione)
CAS No.	68155-81-7
Molecular Formula	Typically a complex mixture; base unit is C36H64O4 (for dimer) polymerized with C4H2O3
Molecular Weight	Variable (Polymeric)
Synonyms	Linoleic Acid Dimer-Succinic Anhydride Copolymer; Poly(linoleic acid-co-maleic anhydride); Alkenyl Succinic Anhydride from Linoleic Acid Dimer; ASA Polymer; Dimer Acid-Maleic Anhydride Copolymer; Dimerized Linoleic Acid-Maleic Anhydride Adduct; CAS 68155-81-7
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. Key parameters monitored include acid value, anhydride content, viscosity, and color. Certificates of Analysis (COA) documenting these 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, and well-ventilated area at room temperature (15-25°C). Keep away from heat, open flames, and sources of ignition. This material is moisture-sensitive; ensure containers are sealed when not in use to prevent hydrolysis of the anhydride group.

Specification

Item	Specification
Appearance	Viscous Amber Liquid
Identification (IR)	Conforms
Acid Value (mg KOH/g)	Contact for details
Anhydride Content	Contact for details
Viscosity (at 25°C)	Contact for details
Color (Gardner)	≤ 12
Moisture (Karl Fischer)	≤ 0.5%

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