C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/32 (2006.01) C08F 8/46 (2006.01) C08F 210/12 (2006.01) C08F 255/10 (2006.01) C10M 149/02 (2006.01)
Patent
CA 2558966
A composition of the reaction product of (a) an isobutylene-diene copolymer having thereon groups containing carboxylic acid functionality or reactive equivalent thereof, derived from an &agr;,&bgr;-unsaturated carboxylic compound; and (b) an amine component comprising at least one aromatic amine containing at least one N-H group capable of condensing with said carboxylic acid functionality, is a useful dispersant viscosity modifier.
La présente invention concerne une composition du produit de réaction (a) d'un copolymère isobutylène-diène possèdent des groupes contenant une fonctionnalité acide carboxylique ou un équivalent réactif de celle-ci, dérivé d'un composé carboxylique insaturé A,B et, (b) d'un composant amine comprenant au moins un amine aromatique contenant au moins un groupe N-H capable de condensation avec cette fonctionnalité acide carboxylique. Cette composition convient comme modificateur de viscosité de dispersant.
Covitch Michael J.
Eveland Renee A.
Friend Christopher
Gieselman Matt D.
Kolp Christopher
Ridout & Maybee Llp
The Lubrizol Corporation
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