DISPERSION DE UN ESTER POLIMERO QUE INHIBE LA DEPOSICION DE CERAS PARA CRUDOS DE PETROLEO Y METODO DE PREPARACION

• Main Authors: TAYLOR SPENCER EDWIN, HODGSON PHILIP KENNETH GORDON
• Format: Patent
• Language: Spanish
• Published: 29.05.2000
• Edition: 7
• Subjects: ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; ADHESIVES; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; BLASTING; CHEMISTRY; COMPOSITIONS BASED THEREON; CRACKING HYDROCARBON OILS; DYES; FIRELIGHTERS; FUELS; FUELS NOT OTHERWISE PROVIDED FOR; GENERAL PROCESSES OF COMPOUNDING; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HEATING; LIGHTING; LIQUEFIED PETROLEUM GAS; LUBRICANTS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; MECHANICAL ENGINEERING; METALLURGY; MINERAL WAXES; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL GAS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; PIPE-LINE SYSTEMS; PIPE-LINES; 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; STORING OF DISTRIBUTING GASES OR LIQUIDS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K; TECHNICAL GASES CONTAINING CARBON MONOXIDE; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS; THEIR PREPARATION OR CHEMICAL WORKING-UP; WEAPONS; WORKING-UP

Una dispersión de un éster polímero en al menos un liquido,teniendo dicho éster polímero una espina hidrocarbonada y al menos un primer tipo de cadena lateral que es un grupo alifático de cadena larga de por lo menos 14 átomos de carbono, y especialmente al menos un segundo tipo de cadena lateral que es un alquilo de 1-13 átomos de carbono, en donde el polímero está presente dicha dispersión en una cantidad de por lo menos 10% con preferencia de 20-30% en peso. Las dispersiones son de menor viscosidad que las correspondientes soluciones de los polímeros en hidrocarburos y se pueden usar para reducir o inhibir la deposición de cera en aceites céreos, por ejemplo, en crudos de petróleo.