A Solid Particles-Stabilized Emulsion And Process For Preparing The Same

摘要

The presently claimed invention is directed a solid particles-stabilized emulsion containing a continuous phase and a dispersed phase comprising a) water, b) crude oil having a viscosity in the range of 1 to 10000 mPa·s at a temperature of 20° C. according to DIN 53019 and c) at least one layered double hydroxide of general formula (I), wherein water is the continuous phase and crude oil is the dispersed phase, and a process for preparing the same.

主权项

1. A solid particles-stabilized emulsion containing a continuous phase and a dispersed phase comprising
a) water, b) crude oil having a viscosity in the range of 1 to 10000 mPa·s at a temperature of 20° C. according to DIN 53019 and c) at least one layered double hydroxide of general formula (I)
[MII(1-x)MIIIx(OH)2]x+[An−]x/n.yH2O  (I), wherein MII denotes a divalent metal ion or 2Li, MIII denotes a trivalent metal ion, An− denotes an n-valent anion, n is 1 or 2, x is the mole fraction having a value ranging from 0.1 to 0.5 and y is a value ranging from 0 to 5.0, which is present in the form of solid particles, wherein water is the continuous phase and crude oil is the dispersed phase, whereby crude oil is present in the form of droplets.