润滑科技信息平台

专利摘要

Disclosed herein are additives which are useful as dispersants and detergents in lubricating oils and fuels. In particular, this invention is directed toward polyamino alkenyl or alkyl succinimides wherein one or more of the amino nitrogens of the succinimide is converted to ......

基本信息

专利类型:
发明专利
申请/专利号:
US06/815431
申请日期:
1985-12-31
专利申请人:
雪弗龙研究及工业技术公司
分类号:
["C08F8/00","C10L1/10","C10M133/00","C10L1/2383","C10M133/56","C10M133/16"]
发明/设计人:
BUCKLEY, THOMAS F.
权利要求: What is claimed is:1. A polyamino alkenyl or alkyl succinimide wherein one or more of the nitrogens of the polyamino moiety is substituted with ##STR30## wherein R.sub.4 is selected from the group consisting of hydrocarbyl of from 1 to 30 carbon atoms, --R.sub.5 (OH).sub.t wherein R.sub.5 is hydrocarbyl of from 2 to 20 carbon atoms and t is an integer from 1 to 6 with the proviso that there is no hydroxy substitution on the hydrocarbyl carbon atom attaching the --R.sub.5 (OH).sub.t group to the oxy atom of the ##STR31## moiety and with the further proviso than 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 R.sub.5 group is minimally equal to t+1, and --(R.sub.7 O).sub.s H wherein R.sub.7 is alkylene of from 2 to 5 carbon atoms and s is an integer from 2 to 100.2. A polyamino alkenyl or alkyl succinimide of claim 1 wherein R.sub.4 is hydrocarbyl of from 1 to 30 carbon atoms.3. A polyamino alkenyl or alkyl succinimide of claim 2 wherein R.sub.4 is hydrocarbyl of from 2 to 10 carbon atoms.4. A polyamino alkenyl or alkyl succinimide of claim 3 wherein R.sub.4 is hydrocarbyl of from 2 to 7 carbon atoms.5. A polyamino alkenyl or alkyl succinimide of claim 1 wherein R.sub.4 is --R.sub.5 (OH).sub.t wherein R.sub.5 is hydrocarbyl of from 2 to 20 carbon atoms and t is an integer from 1 to 6 with the proviso that there is no hydroxy substitution on the hydrocarbyl carbon atoms attaching the --R.sub.5 (OH).sub.t group to the oxy atom of the ##STR32## moiety 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 R.sub.5 group is minimally equal to t+1.6. A polyamino alkenyl or alkyl succinimide of claim 5 wherein R.sub.5 is hydrocarbyl of from 2 to 10 carbon atoms.7. A polyamino alkenyl or alkyl succinimide of claim 6 wherein t is 1.8. A polyamino alkenyl or alkyl succinimide of claim 5 where --R.sub.5 (OH).sub.t is hydroxyethylene (--CH.sub.2 CH.sub.2 OH).9. A polyamino alkenyl or alkyl succinimide of claim 1 wherein R.sub.4 is --(R.sub.7 O).sub.s H wherein R.sub.7 is alkylene of from 2 to 5 carbon atoms and s is an integer of from 2 to 100.10. A polyamino alkenyl or alkyl succinimide of claim 9 wherein s is an integer from 2 to 30.11. A polyamino alkenyl or alkyl succinimide of claim 10 wherein s is an integer from 2 to 20.12. A compound of the formula ##STR33## 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; a is an integer from 1 to 6; R.sub.10 is hydrogen, lower alkyl of from 1 to 6 carbon atoms, lower hydroxy alkyl of 1 to 6 carbon atoms, and ##STR34## wherein R.sub.4 is selected from the group consisting of hydrocarbyl of from 1 to 30 carbon atoms, --R.sub.5 (OH).sub.t wherein R.sub.5 is hydrocarbyl of from 2 to 20 carbon atoms and t is an integer from 1 to 6 with the proviso that there is no hydroxy substitution on the hydrocarbyl carbon atom attaching the --R.sub.5 (OH).sub.t group to the oxy atom of the ##STR35## 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 R.sub.5 group is minimally equal to t+1, and --(R.sub.7 O).sub.s H wherein R.sub.7 is alkylene of 2 to 5 carbon atoms and s is an integer from 2 to 100; and T is ##STR36## or --NHR.sub.10 wherein R and R.sub.10 are as defined above with the proviso that at least one of R.sub.10 is ##STR37##13. A compound of the formula defined in claim 5 wherein R is alkenyl or alkyl of from 20 to 300 carbon atoms.14. A compound of the formula defined in claim 13 wherein R is alkenyl or alkyl of from 20 to 100 carbon atoms.15. A compound of the formula defined in claim 14 wherein R.sub.4 is hydrocarbyl of from 1 to 30 carbon atoms.16. A compound of the formula defined in claim 15 wherein R.sub.4 is hydrocarbyl of from 2 to 10 carbon atoms.17. A compound of the formula defined in claim 16 wherein R.sub.4 is hydrocarbyl of from 2 to 7 carbon atoms.18. A compound of the formula defined in claim 14 wherein R.sub.4 is --R.sub.5 (OH).sub.t wherein R.sub.5 is hydrocarbyl of from 2 to 20 carbon atoms and t is an integer from 1 to 6 with the proviso that there is no hydroxy substitution on the hydrocarbyl carbon atom attaching the --R.sub.5 (OH).sub.t group to the oxy atom of the ##STR38## moiety 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 R.sub.5 group is minimally equal to t+1.19. A compound of the formula defined in claim 18 wherein R.sub.5 is hydrocarbyl of from 2 to 10 carbon atoms.20. A compound of the formula defined in claim 19 wherein t is 1.21. A compound of the formula defined in claim 18 wherein --R.sub.5 (OH).sub.t is hydroxyethylene (e.g., --CH.sub.2 CH.sub.2 OH).22. A compound of the formula defined in claim 14 wherein R.sub.4 is (R.sub.7 O).sub.s H wherein R.sub.7 is alkylene of from 2 to 5 carbon atoms and s is an integer of from 2 to 100.23. A compound of the formula defined in claim 22 wherein s is an integer of from 2 to 30.24. A compound of the formula defined in claim 23 wherein s is an integer of from 2 to 20.25. A lubricating oil composition comprising an oil of lubricating viscosity and a dispersant effective amount of a compound as defined in claim 1.26. A lubricating oil composition comprising an oil of lubricating viscosity and a dispersant effective amount of a compound of the formula defined in claim 14.27. A lubricating oil concentrate comprising 90 to 10 weight percent of an oil of lubricating viscosity and 10 to 90 weight percent of a compound as defined in claim 1.28. A lubricating oil concentrate comprising 90 to 10 weight percent of an oil of lubricating viscosity and 10 to 90 weight percent of a compound of the formula defined in claim 14.