C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
C10L 1/14 (2006.01) C10L 1/18 (2006.01) C10L 1/22 (2006.01)
Patent
CA 2172985
Additive composition enhancing the low temperature operability of average distillates beyond -20 DEG C comprising at least 40 % by weight of a composition consisting of: i) from 60 to 94 % by weight of an antisedimentation additive resulting from the reaction of at least one aliphatic dicarboxylic compound and one polyamine of general formula (II) wherein R is a saturated aliphatic radical comprising from 1 to 32 carbon atoms, n is 2-4 and m is 1-4; and ii) 6-40 % by weight of a dispersing-stabilizing additive having a molecular weight varying from 15000 to 50000 resulting from the esterification reaction of a linear alcohol having from 6 to 24 atoms with an organic acid such as maleic acid and its halides, the ester obtained being polymerized with itself or a copolymerizing compound selected from aliphatic dicarboxylic compounds.
Composition d'additifs améliorant l'opérabilité à froid des distillats moyens au-delà de -20 °C comportant au moins 40 % en poids d'une composition constituée de: i) 60 à 94 % en poids d'un additif d'antisédimentation résultant de la réaction d'au moins un composé dicarboxylique aliphatique et d'une polyamine de formule générale (II) où R est un radical aliphatique saturé comprenant de 1 à 32 atomes de carbone, n est compris entre 2 et 4 et m entre 1 et 4; et (ii) 6 à 40 % en poids d'un additif dispersant-stabilisant de masse moléculaire comprise entre 15000 et 50000 résultant d'us réaction d'estérification d'un alcool linéaire ayant 6 à 24 atomes de carbone avec un acide organique tel que l'acide maléfique et ses halogénures, l'ester obtenu étant polymérisé avec lui-même ou un composé copolymérisant choisi parmi les composés dicarboxyliques aliphatiques.
Cerqueda Nathalie
Leger Robert
Reichert Thomas
Ritter Wolfgang
Vassilakis Despina
Elf Antar France
Henkel Kommanditgesellschaft Auf Aktien
Robic
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