This invention relates to an emulsified water-blended fuel composition comprising: (A) a hydrocarbon boiling in the gasoline or diesel range; (B) water; (C) a minor emulsifying amount of at least one fuel-soluble salt made by reacting (C)(I) at least one acylating agent having about 16 to 500 carbon
This invention relates to an emulsified water-blended fuel composition comprising: (A) a hydrocarbon boiling in the gasoline or diesel range; (B) water; (C) a minor emulsifying amount of at least one fuel-soluble salt made by reacting (C)(I) at least one acylating agent having about 16 to 500 carbon atoms with (C)(II) ammonia and/or at least one amine; and (D) about 0.001 to about 15% by weight of the water-blended fuel composition of a water soluble, ashless, halogen-, boron-, and phosphorus-free, amine salt, distinct from component (C). In one embodiment, the composition further comprises (E) at least one cosurfactant distinct from component (C); in one embodiment, (F) at least one organic cetane improver; and in one embodiment, (G) at least one antifreeze. The invention also relates to a method for fueling an internal combustion engine comprising fueling said engine with the composition of the present invention.
대표청구항▼
1. An emulsified water-blended fuel composition comprising:(A) a hydrocarbon boiling in the gasoline or diesel range: (B) water; (C) a minor emulsifying amount of at least one fuel-soluble carboxylic salt made by reacting (C)(I) at least one acylating agent having about 16 to about 500 carbon atoms
1. An emulsified water-blended fuel composition comprising:(A) a hydrocarbon boiling in the gasoline or diesel range: (B) water; (C) a minor emulsifying amount of at least one fuel-soluble carboxylic salt made by reacting (C)(I) at least one acylating agent having about 16 to about 500 carbon atoms with (C)(II) ammonia and/or at least one amine, the acylating agent containing at least one hydrocarbyl substituent group and at least on succinic group and being characterized by the presence within its structure of at least about 1.3 succinic groups for each equivalent weight of the hydrocarbyl substituent; and (D) a minor emulsion stabilizing amount in the rang of about 0.001 to about 15% by the weight of said water-blended fuel composition of water-soluble amine salt represented by the formula k[G(NR3)y]y+nXp???(D-I) wherein in formula (D-I), G is hydrogen, or an organic neutral radical of 1 to about 8 carbon atoms having a valence of y; each R independently is hydrogen or a hydrocarbyl group of 1 to about 10 carbon atoms; Xp? is an anion having a valence of p; and k, y, n, and p are independently at least 1, provided that when G is H, y is 1; further provided that either G or at least one R is hydrogen; and further provided that the sum of the positive charge ky+ is equal to the sum of the negative charge np? such that the amine salt (D) is electrically neutral.2. The composition of claim 1 wherein the acylating gent (C)(I) is at least one hydrocarbyl-substituted succinic acid or anhydride.3. The composition of claim 2 wherein the hydrocarbyl substituent of the hydrocarbyl-substituted succinic acid or anhydride is a polyisobutene group.4. The composition of claim 3 wherein the polyisobutene group has an average of about 35 to about 400 carbon atoms.5. The composition of claim 1 wherein the amine (C)(II) is a monoamine, a polyamine or a hydroxyamine.6. The composition of claim 1, wherein the amine (C)(II) is selected from the group consisting of primary, secondary and tertiary alkanolamines represented correspondingly by the formulae and mixtures of two or more thereof; wherein in the above formulae each R is independently a hydrocarbyl group of one to about 8 carbon atoms, and each R′ is independently a hydrocarbylene group of about 2 to about 18 carbon atoms.7. The composition of claim 1 wherein (D) is ammonium nitrate, methylammonium nitrate, urea nitrate, urea dinitrate, or a mixture of two or more thereof.8. The composition of claim 1 wherein the composition further comprises (E) an emulsifying amount of at least one cosurfactant distinct from (C) having a hydrophilic lipophilic balance in the range of about 2 to about 10.9. The composition of claim 1 wherein the composition further comprises (F) at least one organic nitrate cetane improver.10. The composition of claim 9 wherein (F) is 2-ethylhexyl nitrate.11. The composition of claim 1 wherein the composition further comprises (G) at least one antifreeze agent.12. An emulsified water-blended fuel composition comprising:(A) a hydrocarbon boiling in the diesel range: (B) water; (C) a minor emulsifying amount of at least one fuel-soluble salt made by reacting (C)(I) at least one acylating agent having about 16 to about 500 carbon atoms with (C)(II) at least one hydroxyamine amine, the acylating agent containing at least one hydrocarbyl substituent group and at least on succinic group and being characterized by the presence within its structure of at least about 1.3 succinic groups for each equivalent weight of the hydrocarbyl substituent; and (D) a minor emulsion stabilizing amount in the rang of about 0.001 to about 15% by the weight of said water-blended fuel composition of water-soluble amine salt represented by the formula k[G(NR3)y]y+nXp???(D-I) wherein in formula (D-I), G is hydrogen, or an organic neutral radical of 1 to bout 8 carbon atoms having a valence of y; each R independently is hydrogen or a hydrocarbyl group of 1 to about 10 carbon atoms; Xp? is an anion having a valence of p; and k, y, n, and p are independently at least 1, provided that when G is H, y is 1; further provided that either G or at least one R is hydrogen; and further provided that the sum of the positive charge ky+ is equal to the sum of the negative charge np? such that the amine salt (D) is electrically neutral.13. An emulsified water-blended fuel composition comprising:(A) a hydrocarbon boiling in the diesel range: (B) water; (C) a minor emulsifying amount of at least one fuel-soluble salt made by reacting (C)(I) at least one polyisobutene substituted succinic acid or a hydride having about 16 to about 500 carbon atoms with (C)(II) at least one hydroxyamine amine, the polyisobutene substituted succinic acid or anhydride being characterized by the presence within its structure of at least about 1.3 succinic groups for each equivalent weight of the polyisobutene substitutent; and (D) a minor emulsion stabilizing amount in the range of about 0.001 to about 15% by the weight of said water-blended fuel composition of a water-soluble amine salt represented by the formula k[G(NR3)y]y+nXp???(D-I) wherein in formula (D-I), G is hydrogen, or an organic neutral radical of 1 to about 8 carbon atoms having a valence of y; each R independently is hydrogen or a hydrocarbyl group of 1 to about 10 carbon atoms; Xp? is an anion having a valence of p; and k y, n, and p are independently at least 1, provided that when G is H, y is 1; further provided that either G or at least one R is hydrogen; and further provided that the sum of the positive charge ky+ is equal to the sum of the negative charge np? such that the amine salt (D) is electrically neutral.14. An emulsified water-blended fuel composition comprising:(A) a hydrocarbon boiling in the diesel range: (B) water; (C) a minor emulsifying amount of a mixture of: at least one fuel-soluble salt made by reacting at least one monocarboxylic acid having about 16 to bout 30 carbon atoms with at least one hydroxyamine amine; and at least one fuel-soluble salt made by reacting at least one polyisobutene substituted succinic acid or an hydride having about 16 to about 500 carbon atoms with at least one hydroxyamine amine, the polyisobutene substituted succinic acid or anhydride being characterized by the presence within its structure of at least about 1.3 succinic groups for each equivalent weight of the polyisobutene substitutent; and (D) a minor emulsion stabilizing amount in the range of about 0.001 to about 15% by the weight of said water-blended fuel composition of a water-soluble amine salt represented by the formula k[G(NR3)y]y+nXp???(D-I) wherein in formula (D-I), G is hydrogen, or an organic neutral radical of 1 to about 8 carbon atoms having a valence of y; each R independently is hydrogen or a hydrocarbyl group of 1 to about 10 carbon atoms; Xp? is an anion having a valence of p; and k, y, n, and p are independently at least 1, provided that when G is H, y is 1; further provided that either G or at least one R is hydrogen; and further provided that the sum of the positive charge ky+ is equal to the sum of the negative charge np? such that the amine salt (D) is electrically neutral.
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