A COMPOSITION TO IMPROVE COLD FLOW PROPERTIES OF FUEL OILS

The present invention describes a composition comprising at least one polyalkyl(meth)acrylate polymer having a number average molecular weight Mn of from 1000 to 10000 g/mol and a polydispersity Mw/Mn of from 1 to 8 and at least one ethylene vinyl acetate copolymer comprising units being derived fro...

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Bibliographic Details
Main Authors SONDJAJA, RONNY, LIU, JIAN MIKE, STOEHR, TORSTEN, KOSCHABEK, RENE, WEBER, MARKUS, BENITO, JANE
Format Patent
LanguageEnglish
French
Published 31.03.2011
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:The present invention describes a composition comprising at least one polyalkyl(meth)acrylate polymer having a number average molecular weight Mn of from 1000 to 10000 g/mol and a polydispersity Mw/Mn of from 1 to 8 and at least one ethylene vinyl acetate copolymer comprising units being derived from at least one alkyl (meth)acrylate having 1 to 30 carbon atoms in the alkyl residue. The composition is useful as cold flow improver in fossil fuel oil and or biodiesel fuel oil. Cette invention concerne une composition comprenant au moins un polymère de poly(méth)acrylate d'alkyle ayant un poids moléculaire moyen en nombre Mn de 1000 à 10000 g/mol et une polydispersité Mw/Mn de 1 à 8 et au moins un copolymère d'éthylène-acétate de vinyle comprenant des motifs dérivés d'au moins un (méth)acrylate d'alkyle ayant de 1 à 30 atomes de carbone dans le résidu alkyle. La composition selon l'invention est utile à titre d'agent d'amélioration de l'écoulement à froid dans un combustible fossile ou un combustible du type biodiesel.
Bibliography:Application Number: WO2010EP60518