Synthesis and stability of switchable CO2-responsive foaming coupled with nanoparticles

CO2-responsive gels

“…A diverse range of CO 2 -responsive materials has been formed. These include polymers and polymer colloids; 50,53,[58][59][60][61] solvents, 54,62,63 catalysts, [64][65][66] and surfactants; 54,67,68 surfaces and coatings; 69,70 emulsions; [71][72][73][74][75] foams; [76][77][78] membranes; 63,79,80 particles and latexes; [81][82][83] cotton fibres, [84][85][86] and ionic liquids. [87][88][89] Similarly, CO 2 -induced self-assembled structures with complex morphologies have been realised including vesicles, 90,91 worm-like micelles, [92][93][94] and nano-objects.…”

Two-Dimensional Visual Analysis of Three-Phase Foam Flooding under Different Reservoir Conditions

“…Based on the microscopic pore throat structure of the reservoir, the microscopic visualization glass etching model simulated the structural characteristics of the porous media in the reservoir, including their size, morphology, distribution, and connectiv- ity. 38 To further analyze the plugging and oil displacement mechanisms of TPF in porous media, a microscopic visual glass etching model was used to observe the seepage characteristics of oil−water and TPF in this section. The processes of saturated oil, water flooding, and TPF flooding were successively carried out in the glass model, and the experimental results are shown in Figure 14.…”