Reaction products of substituted carboxylic acylating agents...

C - Chemistry – Metallurgy – 10 – M

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C10M 159/12 (2006.01) C10L 1/14 (2006.01) C10L 1/18 (2006.01) C10L 1/198 (2006.01) C10L 1/22 (2006.01) C10L 1/238 (2006.01) C10L 1/24 (2006.01) C10L 10/00 (2006.01) C10M 129/93 (2006.01) C10M 129/95 (2006.01) C10M 133/52 (2006.01) C10M 145/10 (2006.01) C10L 1/16 (2006.01)

Patent

CA 2239629

Compositions of matter for use in oils and fuels are disclosed. The compositions arise from reaction products (C) formed by reacting substituted carboxylic acylating agents (A) with carboxylic reactants (B). The reactant (A) is usually a polyolefin substituted succinic anhydride or acid which is reacted with (B). (B) is usually a glyoxylic compound. Carboxylic reaction products (C) may further be reacted to form succinimide dispersants, esters or other derivatives. Products (C) may also be reacted with an a-.beta. unsaturated compound to form second carboxylic reaction products.

Divulgation concernant des compositions pour huiles et carburants. Les compositions sont obtenues à partir de produits de réaction (C), formés par réaction d'agents d'acylation carboxyliques avec substitution (A) et de réactifs carboxyliques (B). Le réactif (A) est généralement un acide ou un anhydride succinique avec substitution par une polyoléfine, qui réagit avec (B). (B) est généralement un composé glyoxylique. On peut continuer à faire réagir les produits de réaction carboxyliques (C) pour former des esters, des dispersants à base de succinimide, et d'autres dérivés. On peut aussi faire réagir les produits (C) avec un composé insaturé en bêta pour former des produits de réaction carboxyliques secondaires.

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