IMPROVED PROCESS FOR PRODUCING FREE RADICAL POLYMERIZED COPOLYMERS

Process for the copolymerization of free radical polymerizable comonomers such as vinyl acetate with an unsaturated diester such as dialkyl fumarate which is carried out in the presence of water to produce copolymers such as fumarate vinyl acetate copolymers useful as lubricating oil and fuel oil ad...

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Bibliographische Detailangaben
Hauptverfasser:	GARDINER, JAMES, M, LAPINAS, ARUNAS, T, MCKEOWN, STEVEN, M, MARTELLA, DAVID, JOHN, BLOCH, RICARDO, ALFREDO, REDPATH, JOHN, VINCENT, ALVARINO, ARIEL
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMISTRY COMPOSITIONS BASED THEREON FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS LUBRICATING COMPOSITIONS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY NATURAL GAS ORGANIC MACROMOLECULAR COMPOUNDS PEAT PETROLEUM, GAS OR COKE INDUSTRIES SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	Process for the copolymerization of free radical polymerizable comonomers such as vinyl acetate with an unsaturated diester such as dialkyl fumarate which is carried out in the presence of water to produce copolymers such as fumarate vinyl acetate copolymers useful as lubricating oil and fuel oil additives, for example, as wax crystal modifiers and flow improvers. L'invention concerne un procédé de copolymérisation de comonomères polymérisables à radicaux libres tels que l'acétate de vinyle avec un diester non saturé tel que le fumarate de dialkyle, mis en oeuvre en présence d'eau afin de produire des copolymères tels que des copolymères d'acétate de vinyle de fumarate servant d'additifs d'huile de graissage et de mazout, par exemple, des modificateurs de cristaux de cire et des améliorateurs de flux.