USE OF CROSSLINKED POLYMERS FOR LOWERING THE COLD FILTER PLUGGING POINT OF FUELS
The present invention concerns the use, for lowering the cold filter plugging point of a fuel composition, of one or more crosslinked polymers comprising at least one unit of the following formula (I): in which R1 represents a hydrogen atom or a methyl group; E represents -O-CO-, or -CO-O- or -NH-CO...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | The present invention concerns the use, for lowering the cold filter plugging point of a fuel composition, of one or more crosslinked polymers comprising at least one unit of the following formula (I): in which R1 represents a hydrogen atom or a methyl group; E represents -O-CO-, or -CO-O- or -NH-CO- or -CO-NH-; and G represents a C1 to C34 alkyl group; said copolymer having a crosslinking rate of between 0.5 mol% and 30 mol%. The invention also concerns additive compositions containing such a polymer, and fuel compositions with such polymers as additives, in combination with a cold flow improver (CFI) chosen from the copolymers and terpolymers of ethylene and vinyl and/or acrylic ester(s). |
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