Intrinsic viscosity and friction coefficient of permeable macromolecules in solution

F.W. Wiegel, P.F. Mijnlieff

Research output: Contribution to journalArticleAcademic

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Abstract

A polymer molecule in solution is treated as a porous sphere with a spherically symmetric permeability distribution. Solvent motion in and around this sphere is described by the Debije- Brinkman equation (Navier-Stokes equation and Darcy equation combined). The model allows a straightforward calculation of the frictional properties of a polymer in shear flow (intrinsic viscosity) and in translation (friction coefficient). Calculations have been carried out for a radial dependence of the permeability of the form k(r)=K exp(Qr2). The calculations provide us with 0 detailed information about the solvent flow through and around the macromolecular coil.
Original languageUndefined
Pages (from-to)385-396
JournalPhysica A
Volume89
Issue number2
DOIs
Publication statusPublished - 1977

Keywords

  • IR-68015

Cite this

Wiegel, F.W. ; Mijnlieff, P.F. / Intrinsic viscosity and friction coefficient of permeable macromolecules in solution. In: Physica A. 1977 ; Vol. 89, No. 2. pp. 385-396.
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Intrinsic viscosity and friction coefficient of permeable macromolecules in solution. / Wiegel, F.W.; Mijnlieff, P.F.

In: Physica A, Vol. 89, No. 2, 1977, p. 385-396.

Research output: Contribution to journalArticleAcademic

TY - JOUR

T1 - Intrinsic viscosity and friction coefficient of permeable macromolecules in solution

AU - Wiegel, F.W.

AU - Mijnlieff, P.F.

PY - 1977

Y1 - 1977

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AB - A polymer molecule in solution is treated as a porous sphere with a spherically symmetric permeability distribution. Solvent motion in and around this sphere is described by the Debije- Brinkman equation (Navier-Stokes equation and Darcy equation combined). The model allows a straightforward calculation of the frictional properties of a polymer in shear flow (intrinsic viscosity) and in translation (friction coefficient). Calculations have been carried out for a radial dependence of the permeability of the form k(r)=K exp(Qr2). The calculations provide us with 0 detailed information about the solvent flow through and around the macromolecular coil.

KW - IR-68015

U2 - 10.1016/0378-4371(77)90112-1

DO - 10.1016/0378-4371(77)90112-1

M3 - Article

VL - 89

SP - 385

EP - 396

JO - Physica A

JF - Physica A

SN - 0378-4371

IS - 2

ER -