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nature : will facilitate the solution of two separate liquid to form a stable emulsion material. Emulsifier-oil-type (water - in-oil : W / O) and hydrophilic (oil-in-water type : O / W) two categories. Former water dispersion of oil, which makes oil dispersed in water. Emulsifiers are mostly surfactant, a HLB said hydrophilic - lipophilic and hydrophilic high values were strong. Emulsifier fatty acid anions are indiscriminate, alkyl sulfonate, Alkylphenyl sulphate, phosphate. Major cationic emulsifier is amines and quaternary. Nonionic Surfactant is a variety of types of emulsifiers, polyoxyethylene, ethylene oxide and propylene block copolymer epoxy, polyol ester of fatty acids, such as polyvinyl alcohol. Lecithin, lanolin, such as gum Arabic is the natural emulsifiers. Emulsifier used in medicine, pesticides, synthetic rubber, synthetic resin, leather, cosmetics, food and industrial coatings. The emulsifier used in cosmetics, with the exception of emulsified role, both solubilization, soak, wettability, detergents and other role.
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