Overview
Emulsifier O, commercially known as Peregal O, is a polyoxyethylene alkyl ether non-ionic surfactant with versatile applications across multiple industries. Developed as an efficient emulsifying agent, it has become particularly valuable in textile processing and detergent formulations. The chemical belongs to the broader family of nonylphenol ethoxylates (NPEs), though modern variants may use alternative alkyl groups due to environmental regulations. Its effectiveness stems from the balanced hydrophilic-lipophilic properties created by the ethylene oxide chains attached to the hydrophobic alkyl group.
Physical and Chemical Properties
As a non-ionic surfactant, Emulsifier O exhibits excellent stability across a wide pH range (2-12) and maintains functionality in hard water conditions where ionic surfactants would precipitate. The viscosity varies with temperature and ethoxylation degree, typically presenting as a pourable liquid at room temperature. Chemically, it demonstrates low foaming characteristics compared to anionic surfactants, making it particularly suitable for applications where foam control is essential. The cloud point (the temperature at which the solution becomes cloudy) typically ranges between 50-80°C depending on the ethylene oxide content.
Main Applications
In the textile industry, Emulsifier O serves as a critical component in dyeing and finishing processes, where it improves dye penetration and leveling. Its ability to reduce interfacial tension makes it invaluable for preparing stable emulsions of oils and waxes used in fiber processing. The detergent industry utilizes its excellent wetting and dispersing properties in both household and industrial cleaning formulations. Additional applications include pesticide emulsification in agriculture, leather processing aids, and as an additive in cosmetic preparations where mildness is required.
Safety and Storage
While classified as relatively low in acute toxicity, proper handling procedures should be followed. Skin contact may lead to mild irritation, necessitating the use of gloves and protective clothing. Eye protection is recommended when handling concentrated forms. Storage should be in tightly sealed containers made of polyethylene or stainless steel, protected from extreme temperatures. While not flammable under normal conditions, decomposition may occur at temperatures above 200°C. Shelf life typically exceeds two years when stored properly.
B2B Procurement Guide
Industrial buyers should specify the required ethoxylation degree (typically expressed as the number of EO units, n=5-20), which directly affects the HLB (Hydrophile-Lipophile Balance) value and application suitability. Technical specifications should include pH value, moisture content, and residual alcohol content. For large-volume procurement, consider suppliers with ISO 9001 certification and REACH compliance documentation. Bulk shipments typically come in 200kg drums or IBC totes (1000kg). Quality verification should include tests for emulsification efficiency and cloud point consistency between batches.
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