Modified succinimides
AssigneeChevron Research Company
InventorsRobert H. Wollenberg, Frank Plavac
Life of this patent
Estimating the term…
Abstract
Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are polyamino alkenyl or alkyl succinimides which contain carbamate functionalities.
Claims62
A fuel composition comprising a hydrocarbon boiling in the gasoline or diesel range and from 10 to 10,000 parts per million of a polyamino alkenyl or alkyl succinimide wherein one or more of the nitrogens of the polyamino moiety is substituted with a hydroxyhydrocarbyl oxycarbonyl wherein the hydroxyhydrocarbyl group of said hydroxyhydrocarbyl oxycarbonyl contains from 2 to 20 carbon atoms and 1 to 6 hydroxy groups with the proviso that there is no hydroxy substitution on the hydrocarbyl carbon atom attaching the hydroxyhydrocarbyl group to the oxy atom of the oxycarbonyl group and with the further proviso that when more than one hydroxy group is contained in the hydroxyhydrocarbyl group, no more than one hydroxy group is attached to the same carbon atom and the number of carbon atoms in the hydroxyhydrocarbyl group is minimally one greater than the number of hydroxy groups.
A fuel composition comprising a hydrocarbon boiling in the gasoline or diesel range and from 10 to 10,000 parts per million of a polyamino alkenyl or alkyl succinimide wherein one or more of the nitrogens of the polyamino moiety is substituted with hydrocarbyl oxycarbonyl.
A fuel composition comprising a hydrocarbon boiling in the gasoline or diesel range and from 10 to 10,000 parts per million of a polyamino alkenyl or alkyl succinimide wherein one or more of the nitrogens of the polyamino moiety is substituted with a hydroxy poly(oxyalkylene)oxycarbonyl.
A fuel composition comprising a hydrocarbon boiling in the gasoline or diesel range and from 10 to 10,000 parts per million of a polyamino alkenyl or alkyl succinimide of the formula:
- ##STR44## wherein R is alkenyl or alkyl of from 10 to 300 carbon atoms;
- R.sub.2 is alkylene of from 2 to 10 carbon atoms;
- R.sub.21 is selected from the group consisting of hydrogen, lower alkyl of from 1 to 6 carbon atoms, lower hydroxy alkyl of from 1 to 6 carbon atoms, ##STR45## wherein t is an integer from 0 to 6, and hydrocarbyl is a hydrocarbyl group of from 2 to 20 carbon atoms with the proviso that there is no hydroxy substitution on the hydrocarbyl carbon atom attaching the ##STR46## group to the oxy atom of the ##STR47## group and with the further proviso that when t is greater than one, the hydroxy groups are not attached to the same carbon atom and the number of carbon atoms in the (HO--.sub.t hydrocarbyl group is minimally equal to t+1, and ##STR48## wherein alkylene-O is a C.sub.2 -C.sub.5 oxyalkylene and s is an integer from 2 to 20;
- a is an integer of from 0 to 10;
- and T is selected from the group consisting of --NH.sub.2, ##STR49## wherein R, hydrocarbyl, alkylene, s and t are as defined above;
- with still the further proviso that if T is --NH.sub.2 or ##STR50## then a is not zero and at least one of R.sub.21 is either ##STR51##
A fuel composition comprising a hydrocarbon boiling in the gasoline or diesel range and from 10 to 10,000 parts per million of a product prepared by the process which comprises contacting at a temperature sufficient to cause reaction an alkenyl or alkyl succinimide having at least one primary or secondary amine with a cyclic carbonate wherein the molar charge of the cyclic carbonate to the basic nitrogen of the alkenyl or alkyl succinimide is from about 0.2:1 to about 10:1.
A fuel composition comprising a hydrocarbon boiling in the gasoline or diesel range and from 10 to 10,000 parts per million of a product prepared by the process of which comprises contacting at a temperature sufficient to cause reaction an alkenyl or alkyl succinimide of the formula II:
- ##STR57## wherein R is an alkenyl or alkyl group containing from about 10 to 300 carbon atoms;
- R.sub.2 is alkylene of from 2 to 10 carbon atoms;
- R.sub.3 is hydrogen or lower alkyl of from 1 to 6 carbon atoms;
- a is an integer from 0 to 10;
- and W is --NH.sub.2 or represents a group:
- ##STR58## wherein R is an alkenyl or alkyl group containing from about 10 to 300 carbon atoms with the proviso that if W is ##STR59## then a is not zero and at least one of R.sub.3 is hydrogen;
- with a cyclic carbonate wherein the molar charge of the cyclic carbonate to the basic nitrogen of the alkenyl or alkyl succinimide is from about 0.2:1 to about 10:1.
A fuel composition comprising a hydrocarbon boiling in the gasoline or diesel range and from 10 to 10,000 parts per million of a product prepared by the process which comprises contacting a polyamino alkenyl or alkyl succinimide with a linear polycarbonate at a temperature sufficient to cause reaction wherein the molar ratios of the individual carbonate units of said linear polycarbonate to the basic amine nitrogen of the polyamino alkenyl or alkyl succinimide employed in the process of this invention is from about 0.1:1 to about 5:1.
A fuel concentrate comprising 30 to 90 weight percent of an inert stable oleophilic organic solvent and 10 to 70 weight percent of a polyamino alkenyl or alkyl succinimide wherein one or more of the nitrogens of the polyamino moiety is substituted with a hydroxyhydrocarbyl oxycarbonyl wherein the hydroxyhydrocarbyl group of said hydroxyhydrocarbyl oxycarbonyl contains from 2 to 20 carbon atoms and 1 to 6 hydroxy groups with the proviso that there is no hydroxy substitution on the hydrocarbyl carbon atom attaching the hydroxyhydrocarbyl group to the oxy atom of the oxycarbonyl group with the further proviso that when more than one hydroxy group is contained in the hydroxyhydrocarbyl group, no more than one hydroxy group is attached to the same carbon atom and the number of carbon atoms in the hydroxyhydrocarbyl group is minimally one greater than the number of hydroxy groups.
A fuel concentrate comprising 30 to 90 weight percent of an inert stable oleophilic organic solvent and 10 to 70 weight percent of a polyamino alkenyl or alkyl succinimide wherein one or more of the nitrogens of the polyamino moiety is substituted with hydrocarbyl oxycarbonyl.
A fuel concentrate comprising 30 to 90 weight percent of an inert stable oleophilic organic solvent and 10 to 70 weight percent of a polyamino alkenyl or alkyl succinimide wherein one or more of the nitrogens of the polyamino moiety is substituted with a hydroxy poly(oxyalkylene)oxycarbonyl.
A fuel concentrate comprising 30 to 90 weight percent of an inert stable oleophilic organic solvent and 10 to 70 weight percent of a polyamino alkenyl or alkyl succinimide of the formula:
- ##STR63## wherein R is alkenyl or alkyl of from 10 to 300 carbon atoms;
- R.sub.2 is alkylene of from 2 to 10 carbon atoms;
- R.sub.21 is selected from the group consisting of hydrogen, lower alkyl of from 1 to 6 carbon atoms, lower hydroxy alkyl of from 1 to 6 carbon atoms, ##STR64## wherein t is an integer from 0 to 6, and hydrocarbyl is a hydrocarbyl group of from 2 to 20 carbon atoms with the proviso that there is no hydroxy substitution on the hydrocarbyl carbon atom attaching the ##STR65## group to the oxy atom of the ##STR66## group and with the further proviso that when t is greater than one, the hydroxy groups are not attached to the same carbon atom and the number of carbon atoms in the (HO--.sub.t hydrocarbyl group is minimally equal to t+1, and ##STR67## wherein alkylene-O is a C.sub.2 -C.sub.5 oxyalkylene and s is an integer from 2 to 20;
- a is an integer of from 0 to 10;
- and T is selected from the group consisting of --NH.sub.2, ##STR68## wherein R, hydrocarbyl, alkylene, s and t are as defined above;
- with still the further proviso that if T is --NH.sub.2 or ##STR69## then a is not zero and at least one of R.sub.21 is either ##STR70##
A fuel concentrate comprising 30 to 90 weight percent of an inert stable oleophilic organic solvent and 10 to 70 weight percent of a product produced by the process which comprises contacting at a temperature sufficient to cause reaction an alkenyl or alkyl succinimide having at least one primary or secondary amine with a cyclic carbonate wherein the molar charge of the cyclic carbonate to the basic nitrogen of the alkenyl or alkyl succinimide is from about 0.2:1 to about 10:1.
A fuel concentrate comprising 30 to 90 weight percent of an inert stable oleophilic organic solvent and 70 to 10 weight percent of a product prepared by the process of which comprises contacting at a temperature sufficient to cause reaction an alkenyl or alkyl succinimide of the formula II:
- ##STR72## wherein R is an alkenyl or alkyl group containing from about 10 to 300 carbon atoms;
- R.sub.2 is alkylene of from 2 to 10 carbon atoms;
- R.sub.3 is hydrogen or lower alkyl of from 1 to 6 carbon atoms;
- a is an integer from 0 to 10;
- and W is --NH.sub.2 or represents a group:
- ##STR73## wherein R is an alkenyl or alkyl group containing from about 10 to 300 carbon atoms with the proviso that if W is ##STR74## then a is not zero and at least one of R.sub.3 is hydrogen;
- with a cyclic carbonate wherein the molar charge of the cyclic carbonate to the basic nitrogen of the alkenyl or alkyl succinimide is from about 0.2:1 to about 10:1.
A fuel concentrate comprising from 30 to 90 weight percent of a stable inert oleophilic organic solvent and 10 to 70 weight percent of a product prepared by the process which comprises contacting a polyamino alkenyl or alkyl succinimide with a linear polycarbonate at a temperature sufficient to cause reaction wherein the molar ratio of the individual carbonate units of said linear polycarbonate to the basic amine nitrogen of the polyamino alkenyl or alkyl succinimide employed in the process is from about 0.1:1 to about 5:1.
Dependencies are inferred from the claim text.