Nonionic (non-ionic) surfactants are used as an essential ingredient for a variety of applications ranging from personal care to very different industrial uses. Structurally, nonionic surfactants combine uncharged hydrophilic and hydrophobic group, which makes them effective in wetting and spreading and as emulsifying and foaming agents. It also has minimal skin and eye irritation effects.
The hydrophilic component of nonionic surfactants is today largely based on polyethylene oxide, which is a petroleum derivative. In addition, a significant part of the hydrophobic components of these materials are petroleum derivatives. The consumption of polyethylene oxide-based non-ionic surfactants is extremely high.
Nonionic surfactants encompass numerous synthetic chemicals of various types and structures. The main types include fatty alcohol ethoxylates, alkyl phenol ethoxylates, and fatty acid alkoxylates. Two key concepts are primarily used to define nonionic surfactants: cloud point and hydrophilic/lipophilic equilibrium value. The cloud point is the temperature at which nonionic surfactants separate from solution. Below this point, the surfactant exhibits higher foaming, while above it, foaming decreases significantly. The hydrophilic/lipophilic equilibrium value is the ratio of the weight percentages of hydrophilic groups to hydrophobic groups in the structure. In other words, it indicates the mass ratio between the hydrophilic and lipophilic parts of a surfactant. Surfactants with a low value have good degreasing properties, while a high value results in good wetting of hydrophilic surfaces. Generally, the higher this value, the higher the foaming ability.
Nonionic surfactants are used as degreasers in detergents, household cleaners and dishwashing liquids. They offer excellent solubility and produce a low amount of foam. When combined with anionic surfactants, non-ionic surfactants provide hard water resistance in textile detergents.
Our organization also provides nonionic surfactant raw material analysis services with its trained and expert staff and advanced technological equipment, among the numerous test, measurement, analysis and evaluation studies it provides for businesses in various sectors.
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