Stearylamine Polyoxyethylene Ether AC-1802 (CAS: 26635-92-7) is a nonionic surfactant based on stearylamine, with a molecular structure containing ether bonds and tertiary amine groups. Its unique ionic characteristic switching ability—exhibiting nonionic behavior in neutral and alkaline environments and protonating to cationic form under acidic conditions—enables outstanding interfacial activity across different process conditions, making it a versatile multifunctional additive for multiple industries.
At room temperature, this product appears as a white to slightly yellow paste or waxy solid, exhibiting good chemical stability, resistance to acids, alkalis, and hard water, and maintaining stable performance across a wide pH range. Its core functions encompass emulsification, dispersion, antistatic, softening conditioning, and corrosion inhibition, meeting complex industrial formulation requirements.
The following details the specific application processes and mechanisms of AC-1802 in various industries, for reference in practical production.
| Industry | Specific Process/Application | Mechanism and Effect |
|---|---|---|
| Plastics and Chemical Fiber Industry | Internal antistatic additive for polyethylene, polypropylene, polystyrene, and various synthetic fiber processing | Exhibits cationic characteristics under acidic conditions, enhancing compatibility with the polymer matrix; forms conductive pathways inside or on the surface of the material, reducing surface resistance, preventing electrostatic buildup and dust attraction, providing long-lasting antistatic protection |
| Textile Printing and Dyeing Industry | Leveling agent, softener intermediate for cotton, wool, synthetic fibers, and blended fabrics during finishing processes | Improves dye penetration and uniformity, reducing color defects; forms a lubricating film on fiber surfaces, imparting a soft, fluffy, and smooth hand feel to the fabric |
| Daily Chemical Industry | Conditioning agent and emulsifier in personal care products such as shampoos, conditioners, and body washes | Exhibits cationic characteristics in weakly acidic formulations, effectively adsorbing onto hair strands and skin surfaces, improving wet combing smoothness and fluffiness; also provides excellent emulsion stability, ensuring uniform cream systems |
| Industrial Auxiliaries (General Purpose) | Emulsifier and dispersant in coatings, inks, leather processing, and pesticide formulations | Effectively emulsifies oil-phase components, disperses pigments or solid particles, preventing sedimentation and stratification; forms stable emulsion systems in pesticide emulsifiable concentrates, improving formulation uniformity and application efficiency |
| Metalworking Fluids | Emulsifier and corrosion inhibitor component in cutting fluids, grinding fluids, and rolling oils | Combines emulsifying, lubricating, and anti-rust functions; aids in corrosion inhibition to protect metal surfaces from rust; exhibits synergistic antimicrobial effects, helping to extend fluid service life and improve workpiece surface quality |
| Mineral Processing | Collector or auxiliary collector in mineral flotation, applicable to flotation processes for non-metallic ores such as phosphate and potash | Utilizes selective adsorption of amine groups on specific mineral surfaces to enhance mineral hydrophobicity, improving bubble attachment and mineral recovery rate for efficient separation |
| Oilfield Auxiliaries | Crude oil demulsifier formulation, corrosion inhibitor for oil production and pipeline systems | Promotes rapid oil-water separation in crude oil emulsions; as a corrosion inhibitor component, protects pipeline equipment and extends service life |
In different application scenarios, the usage methods and recommended dosages of AC-1802 vary:
(The above recommended dosages are based on application experience from Guoli Chemical; actual dosages need to be adjusted according to specific formulations and process conditions.)