POLYALKEN-SUBSTITUIERTE CARBONSÄURE- ZUSAMMENSETZUNGEN MIT NIEDRIGEM CHLORGEHALT
The residual chlorine content of a polyolefin-substituted carboxylic acylating agent formed by a chlorine-assisted reaction of a polyolefin and an alpha , beta -unsaturated carboxylic reactant can be reduced by heating the polyolefin-substituted carboxylic acylating agent having a residual chlorine...
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Zusammenfassung: | The residual chlorine content of a polyolefin-substituted carboxylic acylating agent formed by a chlorine-assisted reaction of a polyolefin and an alpha , beta -unsaturated carboxylic reactant can be reduced by heating the polyolefin-substituted carboxylic acylating agent having a residual chlorine content in the presence of an alpha , beta -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 and alpha , beta -unsaturated carboxylic reactant, a high speed mixer provided with a dual pitch blade. |
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