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Showing 1–2 of 2 results
Advanced filters: Author: Guang-Su Huang Clear advanced filters

  • The hydrophobic association of fluorocarbon-modified polyacrylamide aqueous solutions has been investigated on a mesoscopic level by considering the variation of root mean square (RMS) end-to-end distances using dissipative particle dynamics (DPD) simulation. Its hydrophobic association property is affected by the type of the hydrophobic group, salt, temperature and shear. The unit of stronger hydrophobic property within the chain makes the macromolecule have the greatest association in the solution.

    • Tao Ni
    • Guang-Su Huang
    • Ming-Zhu Yang
    Research
    Polymer Journal
    Volume: 43, P: 635-641

  • The weak gel was prepared by polycondensation of polyacrylamide and resol. The reaction mechanism was clarified by molecular simulation and experiment characterization. The reaction thermodynamics was analyzed to judge the reaction possibility by DMol3. Reaction dynamics were applied to determine the predominant reaction by transition state research, and the results of X-ray photoelectron spectrum confirmed the simulation results.

    • Tao Ni
    • Guang-Su Huang
    • Meng-Meng Chen
    Research
    Polymer Journal
    Volume: 42, P: 357-362