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Armeen® 18D Flake is a primary amine with an 18-carbon hydrophobic tail. It is used as a filming amine for mold release and corrosion inhibition applications.
Armeen® 18D Flake is a distilled, octadecylamine flake product derived from vegetable sources. It is a cationic fatty amine most commonly used as a film former, but it can also be used as an emulsifier, a thickener, a surfactant, a corrosion inhibitor, and a boundary lubricant. Armeen® 18D Flake is well suited as a processing aid for elastomers and provides outstanding mold release properties for the rubber industry. When applied to metal surfaces, Armeen® 18D Flake forms a protective film that inhibits corrosion and provides lubrication. This makes it a useful additive for industrial coatings, especially marine protective coatings. In addition, Armeen® 18D Flake can be used as an emulsifier for waxes, pigments, and other hydrophobic materials. Armeen® 18D Flake has broad FDA approvals and can be used in applications that require food contact.
Equivalent weight: 269
Appearance at 25°C: Solid
Melting point, °C: 56
Flash point, °C: >150
Specific gravity (°C): 0.791 (60), 0.784 (70)
Chain length: C18
HLB, Davies scale 0–40: 8
Viscosity, cps @ 55°C: 43.7
Solubility of H2O, % at (°C): 9.3 (65), 7.5 (70), 4.0 (80)
pKb in Water: 3.4
CAS No.: 124-30-1
Primary Chemistry: Octadecylamine
Corrosion of metal surfaces that are exposed to high levels of moisture Rubber sticking to mold during manufacturing, resulting in defects in rubber parts Incompatibility of hydrophobic and hydrophilic materials
Rubber processing Mold release Wax emulsions Pigment dispersions Hot-melt adhesives Anticorrosion coatings Metal coatings
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