SELF-INVERTING POLYMER EMULSIONS

A polymer composition has been developed that provides low viscosity oil-in-water polymer emulsions that release the polymer in the emulsion at a faster rate and without an additional surfactant when the emulsion is added to a hydrocarbon stream. Use of a temperature-sensitive emulsifying surfactant...

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Bibliographische Detailangaben
Hauptverfasser:	LEFLEMME, Nicolas J, PHAN, Tri T, BRINKMAN, Kerry Charles, LI, Xiaojin Harry, MOLONEY, Jeremy, CASH, Michael
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES BLASTING CHEMISTRY COMPOSITIONS BASED THEREON DYES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MECHANICAL ENGINEERING METALLURGY MINING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PIPE-LINE SYSTEMS PIPE-LINES POLISHES STORING OF DISTRIBUTING GASES OR LIQUIDS THEIR PREPARATION OR CHEMICAL WORKING-UP WEAPONS
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Beschreibung
Zusammenfassung:	A polymer composition has been developed that provides low viscosity oil-in-water polymer emulsions that release the polymer in the emulsion at a faster rate and without an additional surfactant when the emulsion is added to a hydrocarbon stream. Use of a temperature-sensitive emulsifying surfactant facilitates inversion of the oil-in-water polymer emulsion when applied to a hydrocarbon composition at a temperature sufficiently high to destabilize the emulsion. These compositions are particularly useful as drag reducers for delivery to a subsea flowline via an umbilical line.