C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 35/00 (2006.01) C08F 8/32 (2006.01) C08K 5/20 (2006.01) C10L 1/14 (2006.01) C10L 1/22 (2006.01) C10L 1/16 (2006.01) C10L 1/18 (2006.01) C10L 1/24 (2006.01)
Patent
CA 2256426
The invention concerns a mixture containing: (a) between 10 and 90 wt % of at least one imide comprising a copolymer based on an alpha-olefin and an ethylenically unsaturated dicarboxylic acid and a polyamine; and (b) between 10 and 90 wt % of at least one reaction product of a poly (C2-20) carboxylic acid, comprising at least one tertiary amino group, with secondary amines. The invention also concerns the use of this mixture as a paraffin dispersant for crude oil middle distillates.
L'invention concerne un mélange contenant (a) entre 10 et 90 % en poids d'au moins un imide issu d'un polymérisat à base d'une alpha -oléfine et d'un acide dicarboxylique insaturé éthyléniquement et d'une polyamine et (b) entre 10 et 90 % en poids d'au moins un produit de réaction d'un poly(acide carboxylique C2-20) comportant au moins un groupe tertiaire, avec des amines secondaires. L'invention concerne en outre l'utilisation dudit mélange comme dispersant paraffinique dans des distillats moyens de pétrole.
Drallevoss Gabriele
Faul Dieter
Uzelac Ljiljana
Wenderoth Bernd
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
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