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Article Dans Une Revue Progress in Colloid and Polymer Science Année : 1996

Rheological properties of modified cellulosic polymers in semi-dilute regime: Effect of salinity and temperature

L. Picton

Résumé

The rheological properties of low molecular weight (LW) and high molecular weight (HW) hydro-phobically modified hydroxyethyl-cellulose (HMHEC) have been studied in semi-dilute regime of concentration (C > C*) and compared with their unmodified parent polymers (HEC). Flow behavior and viscoelastic properties of modified polymers as a function of salt (NaC1, KSCN), temperature (20-60 °C) and shear rate (0.1 1000 s-a) are explained by the existence of hydrophobic interactions. These latter are reinforced in the presence of water structure makers (NaCl).

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Dates et versions

hal-01866942 , version 1 (23-07-2019)

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L. Picton, G Muller. Rheological properties of modified cellulosic polymers in semi-dilute regime: Effect of salinity and temperature. Progress in Colloid and Polymer Science, 1996, Gels, 102, pp.26-31. ⟨10.1007/BFb0114383⟩. ⟨hal-01866942⟩
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