Gasohol compositions
Liquid fuels are claimed for use in internal combustion engines comprising (i) a major fraction of hydrocarbons boiling in the gasoline boiling range, (ii) a minor amount of ethanol and (iii) a detergent amount of (I) from about 20 to about 40 weight percent of the reaction product of: (A) one mole part of an alkylphenol having the formula: (R1-)N-PHENOL wherein n is an integer from 1 to 2, and R/sub 1/ is an aliphatic hydrocarbon radical having an average molecular weight of from about 400 to 1500; (B) from 1-5 mole parts of an aldehyde having the formula: R2-CH(=O) wherein R/sub 2/ is selected from hydrogen and alkyl radicals containing 1-6 carbon atoms; and (C) from 0.5-5 mole parts of an amine having at least one active hydrogen atom bonded to an amino nitrogen atom, and (II) from about 3.0 to about 6.0 weight percent of a demulsifying agent containing: (A) at least one oil-soluble polyether characterized by the presence within its structure of a group of the formula: -(O-A)Xwherein A is an alkylene group containing from 2 to about 7 carbon atoms and where x has an average value of from about 5 to about 200; and (B) an oxyalkylated phenol formaldehyde resin of the formula: 1-(HO-(O-A)M-), (H-((1-(HO-(O-A)M-), 4-R-CYCLOHEXYLENE)- CH2)X-), R-CYCLOHEXANE wherein A represents an alkylene group containing from about 2 to about 10 carbon atoms, where m has an average value of from about 4 to about 200, and where R is an alkyl group of from about 1 to about 20 carbon atoms, and x is an integer greater than 1, (III) from about 40 to about 70 weight percent of a mononuclear or dinuclear aromatic hydrocarbon solvent, and (IV) from about 5.0 to about 15.0 weight percent of a corrosion inhibitor selected from a hydrocarbye succinic acid or anhydride having from 12 to 30 carbon atoms (50% oil).
- Assignee:
- Ethyl Corp.
- Patent Number(s):
- US 4398921
- OSTI ID:
- 5646033
- Resource Relation:
- Patent File Date: Filed date 2 Nov 1981; Other Information: PAT-APPL-317571
- Country of Publication:
- United States
- Language:
- English
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