Polyalkene-substituted carboxylic acid compositions having reduced chlorine content

Polyalkene-substituted carboxylic acid compositions having reduced chlorine content

The invention is directed to polyalkene-substituted carboxylic acid compositions having a reduced chlorine content, derivatives thereof useful as fuel and lubricating oil dispersants and dispersant/viscosity modifiers and methods for forming such compositions. The residual chlorine content of a poly...

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Hauptverfasser: Barini, Geraldo, Sharma, Sanjeev, Spencer, Jeremy R, Minotti, Michael T, Gutierrez, Antonio, Davis, William M, Kleist, Robert A
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creator Barini, Geraldo
Sharma, Sanjeev
Spencer, Jeremy R
Minotti, Michael T
Gutierrez, Antonio
Davis, William M
Kleist, Robert A
description The invention is directed to polyalkene-substituted carboxylic acid compositions having a reduced chlorine content, derivatives thereof useful as fuel and lubricating oil dispersants and dispersant/viscosity modifiers and methods for forming such compositions. The residual chlorine content of a polyolefin-substituted carboxylic acylating agent formed by a chlorine-assisted reaction of a polyolefin and an , -unsaturated carboxylic reactant can be reduced by heating the polyolefin-substituted carboxylic acylating agent having a residual chlorine content in the presence of an , -unsaturated carboxylic reactant, optionally in the further presence of a sulfonic acid. Residual chlorine content can be further reduced by using, in the reaction of the polyolefin , -unsaturated carboxylic reactant, a high speed mixer provided with a dual pitch blade.
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title Polyalkene-substituted carboxylic acid compositions having reduced chlorine content
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