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The roles of a fluorescent dye, methyl orange (MO) in the emulsions stabilized by layered double hydroxide (LDH) particles have been investigated in detail. The hydrophilic LDH particles are rendered partially hydrophobic by the in situ surface modification with MO, leading to the enhanced stability of emulsions. The variation of contact angle, zeta potential and emulsion stability demonstrates the...
Liquid paraffin-in-water emulsions stabilized by Laponite RD clay particles modified with short-chain aliphatic amines (diethylamine, DEA or triethylamine, TEA) were prepared in the absence of electrolytes. The formation and stability of the emulsions were investigated by macroscopic and microscopic observations, contact angle, zeta potential and rheology measurements. The hydrophilic Laponite particles...
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