Polyacrylamide (PAM)‐encapsulated clay nanoparticles (NPs) were successfully synthesised by conventional emulsion polymerisation for solving the aggregation matter of nanoscaled clay. A novel nanofluid based on PAM has been developed and its’ attributes have been experimentally tested as an optimised solution. The frequency, sonication time effect, NPs and polymer concentration on the constant salinity and particle size (PS) distribution of samples was investigated. The solutions of polymer at different frequencies (10, 20 and 30 kHz) were treated with ultrasound for different times (5 and 15 min). The results showed that increasing sonication time decreased mean diameter of nanoclay mass and also showed with an increment range of frequency in specified range improved rheology and dispersion of the solution. Clay NPs were found to have a positive effect on the stability of samples.
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Goshtasp Cheraghian (2016) studied this question.
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