Overview
Polyoxyethylene Oleyl Ether is a versatile non-ionic surfactant synthesized through the ethoxylation of oleyl alcohol. This chemical belongs to the broader class of alcohol ethoxylates and is particularly valued in industrial applications for its surface-active properties. The degree of ethoxylation (n value) typically ranges from 2 to 20, with higher values increasing water solubility. The compound's molecular structure consists of a hydrophobic oleyl group and a hydrophilic polyoxyethylene chain, giving it amphiphilic characteristics. This balance makes it effective in reducing surface tension between different phases, particularly in oil-water systems. Industrial production follows strict quality controls to ensure consistent ethoxylation degrees and purity levels.
Physical and Chemical Properties
The physical state of Polyoxyethylene Oleyl Ether varies from liquid to waxy solid depending on the degree of ethoxylation. Lower ethoxylation grades (n=2-5) appear as clear, viscous liquids, while higher grades (n>10) typically form pastes or solids. The chemical exhibits excellent stability across a wide pH range (2-12) and maintains its surfactant properties in hard water conditions. Key chemical properties include its non-ionic nature, which makes it compatible with other surfactant types, and its cloud point behavior in aqueous solutions. The compound demonstrates reversible thermal behavior, becoming insoluble in water above its cloud point temperature (typically 50-90°C depending on ethoxylation degree). Its HLB (Hydrophile-Lipophile Balance) value ranges from 8 to 15, making it suitable for various emulsion formulations.
Main Applications
In the detergent industry, Polyoxyethylene Oleyl Ether serves as a primary surfactant in heavy-duty cleaners and industrial degreasers, where its ability to emulsify oils and greases is particularly valuable. Textile manufacturers utilize it as a scouring agent and dye leveling assistant, taking advantage of its excellent wetting properties and fiber compatibility. The personal care sector incorporates this surfactant in shampoos, bath products, and skin cleansers, where its mildness and foam-boosting characteristics are beneficial. Industrial applications extend to metalworking fluids, agricultural adjuvants, and latex stabilization. Recent developments have explored its use in nanoparticle synthesis and as a component in fire-fighting foams.
Safety and Storage
While Polyoxyethylene Oleyl Ether is generally considered low in toxicity, proper handling requires precautions. The substance may cause mild eye irritation and prolonged skin contact should be avoided. Adequate ventilation is recommended when handling heated material or during large-scale processing. Storage conditions should maintain temperatures below 40°C in original, tightly sealed containers. The material is stable under normal conditions but may oxidize over extended periods. Compatibility considerations include avoiding strong oxidizers and maintaining separation from acidic or alkaline compounds that might catalyze degradation. Shelf life typically exceeds two years when stored properly.
B2B Procurement Guide
Industrial buyers should specify the required ethoxylation degree (n value) when placing orders, as this significantly affects performance characteristics. Common commercial grades include n=5, n=10, and n=20 variants. Bulk purchases (drum quantities or larger) typically offer the best value, with prices decreasing by approximately 15-20% for quantities above one metric ton. Quality verification should include checking for consistent ethoxylation distribution (narrow range preferred), low free alcohol content (<1%), and absence of discoloration. Leading manufacturers provide technical data sheets with detailed specifications including pH, moisture content, and active matter percentage. Consider requesting samples for performance testing before large-scale procurement.
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