Polybenzoxazine asphaltene inhibitors

A method of stabilizing asphaltenes in a petroleum hydrocarbon fluid is disclosed. The method includes contacting the petroleum hydrocarbon fluid with a polybenzoxazine comprising repeating structural units of Formula (I) wherein R1 is hydrogen, a C1-30 alkyl, a C3-30 cycloalkyl, a C6-30 aryl, a C7-...

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Bibliographische Detailangaben
Hauptverfasser:	Jerry Weers, Gordon Rivers, David Jennings, Joey Dacula Mangadlao
Format:	Patent
Sprache:	eng
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON CRACKING HYDROCARBON OILS DYES FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINERAL WAXES MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL GAS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PEAT PETROLEUM, GAS OR COKE INDUSTRIES POLISHES PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A method of stabilizing asphaltenes in a petroleum hydrocarbon fluid is disclosed. The method includes contacting the petroleum hydrocarbon fluid with a polybenzoxazine comprising repeating structural units of Formula (I) wherein R1 is hydrogen, a C1-30 alkyl, a C3-30 cycloalkyl, a C6-30 aryl, a C7-30 alkylarylene, a C7-30 arylalkyl, a C5-30 heteroaryl, or a C3-30 heterocycloalkyl; and R2 is a C1-30 alkyl, a C3-30 cycloalkyl, a C6-30 aryl, a C7-30 alkylarylene, a C7-30 arylalkyl, a C5-30 heteroaryl, or a C3-30 heterocycloalkyl.