ethoxylation


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ethoxylation

[e‚thäk·sə′lā·shən]
(chemical engineering)
A catalytic process which involves the direct addition of ethylene oxide to an alkyl phenol or to an aliphatic alcohol.
References in periodicals archive ?
Acquisition of sparkling wells and nonylphenol polyethoxylated with 16 and 40 degree of ethoxylation.
Derivatives can be produced using the acid functionality such as saponification, esterification, ethoxylation or amination, while derivatives based on the unsaturation include isomerization, dimerization, epoxidation and hydrogenation acids.
It is produced through a process called ethoxylation, where fatty acids are reacted with ethylene oxide to produce a mixture of hydrogen esters.
Although 80% of Oxiteno's sales are derived from Mercosur countries, the surfactant company, which specializes in sulfation and ethoxylation, is focused on expanding around the world, adding a US office in 2007 and one in Shanghai in 2011.
are based on ethoxylation of an alcohol or other hydrophobic moiety.
tpa of ethoxylation capacity and more than 100 thousand tpa of polyols
NPE are commonly produced by alkaline-catalyzed ethoxylation of the NPs and this method usually results in a Poisson distribution of the ethoxylated groups length (20), (25).
All the surfactants were elhoxylated fatty alcohols, with various lengths of hydrophobic chains and various ethoxylation degrees.
The Surfynol 400 Series consists of four products of varying levels of ethoxylation, offering a broad range of performance.
Specialty chemical company Clariant will build an ethoxylation plant in Dayabay, south of Guangzhou, China.
1,4-dioxane is a byproduct of ethoxylation, "a cheap short-cut companies use to provide mildness to harsh ingredients," explains the Organic Consumers Association.
The plant will be initially capable of both ethoxylation and propxylation of various base initiators and is designed to yield over 100,000,000 lbs.