Citation:
DUAN Hong-Dong, QIN Da-Wei, MENG Xia, LIU Wen-Xia, DAI Xiao-Nan. Rheological Studies on Interaction between Surfactant and Polymer[J]. Chinese Journal of Applied Chemistry,
;2006, 23(8): 840-844.
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The interactions between polymer and each of four kinds of surfactants were studied by means of a controlled-stress rheometer.It was found that there was a strong interaction between the cationic surfactant CTAB and HPAM.At low concentrations,the storage modulus of the complex system compared with its initial value could increase by 20%~35%,while at high concentrations it decreased significantly.The anionic surfactant-sodium dodecyl sulphate(SDS) concentration showed a pronounced effect on the rheological properties of the SDS/HPAM system.At low concentrations,the storage modulus of the complex system increased with a critical concentration between 500 mg/L and 1 000 mg/L,then it decreased when further increasing SDS concentration due to the electrolyte effect.When nonionic and amphoteric surfactants were interacted with HPAM,the storage modulus of the complex systems increased with increasing their concentrations.
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Keywords:
- polymer,
- surfactant,
- interaction,
- rheological measurement
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