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A novel pseudogemini surfactant system, which has two types of pH-responsive groups in the connection of the alkyl chain and the spacer, has been developed and investigated by adjusting pH. These two types of pH-responsive groups both worked for the micelle transition because they had different ionization degrees and electrostatic attraction forces with the aid of pH variation. The system could be...
The hydrophobically associating cationic polyacrylamides (C-HAPAM), containing a major part of hydrophilic polyacrylamide backbones and a minor part of ionic hydrophobic groups, i.e. N,N′-dimethyl octadeyl allyl ammonium chloride (DOAC), were synthesized. The self-assembling behaviors of the C-HAPAM molecules in water under different concentrations and pH values were investigated in detail and disclosed...
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