Traitement en cours

Veuillez attendre...

Paramétrages

Paramétrages

Aller à Demande

1. WO1988004685 - PROCEDE DE SUPERBASIFICATION PAR LA FORMATION DE BORATES METALLIQUES

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

What is claimed is:

1. A process of preparing an overbased composition which comprises reacting
(A) a source of an oil soluble organic acid, (B) a metal-containing compound selected from the group consisting of zinc, copper, cadmium, transition metals and combinations thereof,
(C) a boron compound selected from the group consisting of boric acid, boron trioxide, boron halides, boron amides, boron esters, in the presence of
(D) a promoter system.
2. The process according to claim 1 wherein the organic acid is selected from the group consisting of a sulfonic acid, a carboxylic acid, a substituted phenol, a phosphorus acid or mixtures thereof.
3. The process according to claim 2 wherein the carboxylic acid is selected from the group consisting of

R(COOH) wherein n is an integer of at least one and


or mixtures thereof with R and R being hydrocarbyl-based groups.
4. The process according to claim 3 wherein R is a substantially saturated hydrocarbyl-based group containing from 8 to 100 carbon atoms.
5. The process according to claim 3 wherein R is a substantially saturated hydrocarbyl-based group containing from 40 to 750 carbon atoms.
6. The process according to claim 3 wherein n is from 1 to 2.

7. The process according to claim 2 wherein the sulfonic acid is of the formula

R SO-H or (R2)χAr S03H

wherein R is a hydrocarbyl-based group, x is from 1 to 3 and Ar is an aromatic nucleus.
2
8. The process according to claim 7 wherein R is a substantially saturated hydrocarbyl-based group containing from 8 to 60 carbon atoms.
9. The process according to claim 2 wherein the substituted phenol is of the formula


wherein R is a substantially saturated hydrocarbyl-based group containing from 15 to 50 carbon atoms; a and b are from 1 to 2 and c is 0 or 1.
10. The process according to claim 2 wherein the substituted phenol is of the formula



wherein R is a substantially saturated hydrocarbyl-based group containing from 6 to 100 carbon atoms, c is 0 or 1, Y is a sulfur linkage or CH» or mixtures thereof and Z is 0 to 30.
11. The process according to claim 2 wherein the phosphorus acid is prepared from polymers of olefins having 2-30 carbon atoms, said polymer having from 50-100 carbon atoms and said polymer reacted with phosphorus pentasulfide and steam treated.
12. The process according to claim 11 wherein the phosphorus acid is prepared from a polymer of isobutylene.

13. The process according to claim 1 wherein the metal-containing compound is selected from the group consisting of metal oxides, metal hydroxides, metal halides, metal carbonates, metal borates and mixtures thereof.
14. The process according to claim 13 wherein the metal oxides are selected from the group consisting of zinc oxide, cadmium oxide, copper oxide, lead oxide, transition metal oxides and mixtures thereof.
15. The process according to claim 13 wherein the metal hydroxides are selected from the group consisting of zinc hydroxide, cadmium hydroxide, copper hydroxide, lead hydroxide, transition metal hydroxides and mixtures thereof.
16. The process according to claim 1 wherein the promoter system is selected from the group consisting of monohydric alcohols up to 20 carbon atoms , dihydric alcohols up to 20 carbon atoms, ammonium hydroxide, water, organic acids up to 8 carbon atoms, nitric acid, hydro-chloric acid and sulfuric acid.
17. The process according to claim 1 wherein the promoter system is selected from the group consisting of monohydric alcohols up to 20 carbon atoms, dihydric alcohols up to 20 carbon atoms, ammonium hydroxide, water, organic acids up to 8 carbon atoms, nitric acid, hydrochloric acid, sulfonic acid and a metal complexing agent.

18. The process according to claim 17 wherein the metal complexing agent is an alkyl salicylaldoxime.
19. The process according to claim 18 wherein the alkyl salicylaldoxime is dodecyl salicylaldoxime.
20. The process according to claim 1 wherein the boron compound is boric acid.

21. The process according to claim 7 wherein the
2 organic acid is a benzene sulfonic acid wherein R contains at least 20 carbon atoms; the metal-containing compound is zinc oxide; the boron compound is boric acid; and the promoter system is a mixture comprising ammonium hydroxide, isobutyl alcohol, isoamyl alcohol, water and acetic acid.
22. The process according to claim 7 wherein the
2 organic acids are a benzene sulfonic acid wherein R contains at least 20 carbon atoms and a carboxylic acid of the formula R (CO) ~0 wherein R contains at least 20 carbon atoms; the metal-containing compound is zinc oxide, the boron compound is boric acid; and the promoter system is a mixture comprising ammonium hydroxide, isobutyl alcohol, isoamyl alcohol and acetic acid.
23. The process according to claim 1 wherein the
2 organic acid is a benzene sulfonic acid wherein R contains at least 20 carbon atoms; the metal-containing compound is copper hydroxide; the boron compound is boric acid; and the promoter system is a mixture comprising acetic acid, isobutyl alcohol, isoamyl alcohol and water.

24. The process according to claim 1 wherein the
2 organic acid is a benzene sulfonic acid wherein R contains at least 20 carbon atoms; the metal-containing compound is copper hydroxide; the boron compound is boric acid; and the promoter system is a mixture comprising acetic acid, isobutyl alcohol, isoamyl alcohol, water and a metal complexing agent.
25. The process according to claim 1 wherein the
2 organic acid is a benzene sulfonic acid wherein R contains at least 20 carbon atoms; the metal-containing compound is copper hydroxide; the boron compound is boric acid; and the promoter system is a mixture comprising acetic acid, isobutyl alcohol, isoamyl alcohol, water and an alkyl salicylaldoxime.
26. The process according to claim 1 wherein the
2 organic acid is a benzene sulfonic acid wherein R contains at least 20 carbon atoms; the metal-containing compound is copper hydroxide; the boron compound is boric acid; and the promoter system is a mixture comprising acetic acid, isobutyl alcohol, isoamyl alcohol, water and dodecyl salicylaldoxime.
27. The process according to claim 1 wherein the ratio.
28. The process according to claim 1 wherein the temperature is from about ambient to about the decomposi-tion temperature of any component or product.