METHOD OF POLYALKENYL-SUCCINANHYDRIDES PREPARATION

METHOD OF POLYALKENYL-SUCCINANHYDRIDES PREPARATION

The solution concerns a method of preparation of polyalkenyl-succinic anhydrides for ash-free dispersing agents and other additives for liquid fuels and lubricating oils. The solution consists in the fact that polyalkenes consisting of copolymers C3 to C10 of olefins containing from 1 to 15 percent...

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Hauptverfasser: MAREK MIROSLAV CSC.,CS, PECKA JAN ,CS, MIKES FRANTISEK CSC.,CS, DOLEZAL VLADIMIR ,CS, KUBANEK VLADIMIR DRSC.,CS, HALASKA VLASTIMIL CSC.,CS
Format: Patent
Sprache:eng
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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creator MAREK MIROSLAV CSC.,CS
PECKA JAN ,CS
MIKES FRANTISEK CSC.,CS
DOLEZAL VLADIMIR ,CS
KUBANEK VLADIMIR DRSC.,CS
HALASKA VLASTIMIL CSC.,CS
description The solution concerns a method of preparation of polyalkenyl-succinic anhydrides for ash-free dispersing agents and other additives for liquid fuels and lubricating oils. The solution consists in the fact that polyalkenes consisting of copolymers C3 to C10 of olefins containing from 1 to 15 percent by weight of inbuilt 1,3-butadiene in the mixture having the average number molecular weight of 500 to 1100 react with maleinan hydride in molecular ratio of 1.1 to 0.3 at a temperature of 180 to 270 degrees C.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title METHOD OF POLYALKENYL-SUCCINANHYDRIDES PREPARATION
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