Nonionic Surfactants & Their Industrial Applications - PowerPoint PPT Presentation
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Nonionic Surfactants & Their Industrial Applications
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There are various Nonionic Surfactants like Castor Oil, Alkylphenol, Fatty Amines Ethoxylates, Fatty Alcohol Ethoxylates, Fatty Acid Ethoxylates etc. The surface active agents which do not disassociate into ions in aqueous solutions are referred as nonionic surfactants. Nonionic surfactants have best applications in industries in form of cleaning agents or detergents. These are preferred over the ionic surfactants which are usually insoluble in hard water and considered to be poor cleaners. The best thing about non ionic surfactant products is that they are excellent solvents and have high chemical stability. Because of these properties these are widely used as surface active gents in various industries. – PowerPoint PPT presentation
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Title: Nonionic Surfactants & Their Industrial Applications
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Castor Oil Ethoxylates
Polyethoxylated castor oil or castor oil
ethoxylates are derivatives of ethoxylation of
castor oil and ethylene oxide. These are nonionic
surfactants which are widely used in oral,
topical and pharmaceutical formulations. They can
be used as emulsifying or solubilizing agents as
well, and are therefore suitable for the
production of aqueous liquid preparations in
industries. In cosmetics, these are widely used
as solubilizing agents for perfume bases and are
often used as replacements to castor oil in
production of hand lotions.
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Alkylphenol Ethoxylate
Alkylphenol ethoxylates are produced by
ethoxylation of alkylphenols like octylphenol,
nonylphenol, propylphenol, dodecylphenol etc. The
basic application of these ethoxylate products is
in form of detergents and emulsifiers in
industrial applications. Alkylphenol ethoxylate
derivatives are used in pesticides, lube oil,
hair dyes, hair care products, and in spermicides.
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Fatty Amines Ethoxylates
Ethoxylation of amines with ethylene oxide
produces a bi-product called fatty amines
ethoxylate. These are nonionic surfactants which
can be used in formulating emulsifier blends.
They are mainly used as wetting agents,
agrochemical emulsifiers, industrial cleaners,
metal cleaners, stabilizers, sanitizers,
dispersants and defoaming agents. They are also
used in metal, drilling, textile, paper and
chemical industries.
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Fatty Alcohol Ethoxylates
When ethylene oxide reacts with lauryl alcohol,
stearyl alcohol, behenyl alcohol, oleyl cetyl
alcohol and other fatty alcohols, the fatty
alcohol ethoxylates are produced. These alcohol
ethoxylates are used in cosmetics and textile
industries as emulsifying and solubilizing
agents. They are widely used as wetting and
cleaning agents in cosmetics, agriculture,
textile, paper, oil and various other process
industries.
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Fatty Acid Ethoxylates
Fatty acids like lauric acid, stearic acid, oleic
acid and others when react with ethylene oxide
give rise to derivatives of these fatty acids
also known as fatty acid ethoxylates. Some of the
popular ethoxylated fatty acids used in
industries are stearic acid ethoxylates, lauric
acid ethoxylates, oleic acid ethoxylates and
coconut fatty acid ethoxylates. Like other
ethoxylate products these are also nonionic and
are widely employed in cleaning, scouring,
bleaching applications.
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