A chemical compound derived from an acid (organic or inorganic) in which at least one –OH hydroxyl group is replaced by an –O– alkyl (alkoxy) group. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides.
Polyethylene Glycol (PEG) of 300 molecular weights with Oleic acid. The lower molecular weight versions are oil soluble, the higher molecular weight versions are water soluble, all are water dispersible. Monooleate PEG esters are good replacements for Nonylphenols (NP). They have low volatility and are very effective wetting agents. They are good emulsifiers and co-emulsifiers, able to aid in lubrication.
HLB: 10.5
pH1% 5.0 – 7.0
Appearance: Clear pale-yellow liquid
Acid Value: <5 mg KOH/g
Solids: >98%
Solubility: Oil soluble, water dispersible
APPLICATIONS: Viscosity modifier. Alternative to Nonylphenols (NP5 or NP6). Used as surfactant in cleaners, lubricants, greases and metalworking fluids.
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