Rheological properties of guar and its methyl, hydroxypropyl and hydroxypropyl-methyl derivatives in semidilute and concentrated aqueous solutions

@inproceedings{Risica2010RheologicalPO,
  title={Rheological properties of guar and its methyl, hydroxypropyl and hydroxypropyl-methyl derivatives in semidilute and concentrated aqueous solutions},
  author={Daniela Risica and A. Patricia M. Barbetta and Luca Vischetti and Cesare Cametti and Mariella Dentini},
  year={2010}
}
Abstract We report on a comparative study of the rheological properties of guar [GG], methyl guar [MG], hydroxypropyl guar [HPG] and hydroxypropyl-methyl guar [MHPG] polymers aqueous solutions in semidilute (both unentangled and entangled) and concentrated regimes, using oscillatory and steady-shear techniques. In the dilute regime, molecular weights and radii of gyration have been investigated by means of light scattering measurements. Data obtained from steady-shear rheology were… CONTINUE READING

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