Dipolar and chain-linking effects on the rheology of grafted chains in a nanopore under shear at different grafting densities
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Dipolar and chain-linking effects on the rheology of grafted chains in a nanopore under shear at different grafting densities. / Jensen, M.; Mouritsen, O. G.; Peters, G. H.
In: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, Vol. 64, No. 1 I, 01.07.2001, p. 011507/1-011507/13.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Dipolar and chain-linking effects on the rheology of grafted chains in a nanopore under shear at different grafting densities
AU - Jensen, M.
AU - Mouritsen, O. G.
AU - Peters, G. H.
PY - 2001/7/1
Y1 - 2001/7/1
N2 - Nonequilibrium molecular dynamics simulations were performed to probe structural and dynamical properties of tail-grafted, amphiphilic chains under shear at different grafting densities. Emphasis was put on the modification of the head groups in order to investigate to which extent this modification of the interfacial region could specifically control the mechanical properties. By considering two different grafting densities, the effect of dipolar forces across the nanopore with increasing load was addressed. In general, it was found that interfacial viscosities and friction forces increase in tail-grafted amphiphilic systems where repulsive head-group interactions are significant.
AB - Nonequilibrium molecular dynamics simulations were performed to probe structural and dynamical properties of tail-grafted, amphiphilic chains under shear at different grafting densities. Emphasis was put on the modification of the head groups in order to investigate to which extent this modification of the interfacial region could specifically control the mechanical properties. By considering two different grafting densities, the effect of dipolar forces across the nanopore with increasing load was addressed. In general, it was found that interfacial viscosities and friction forces increase in tail-grafted amphiphilic systems where repulsive head-group interactions are significant.
UR - http://www.scopus.com/inward/record.url?scp=0035395015&partnerID=8YFLogxK
M3 - Journal article
AN - SCOPUS:0035395015
VL - 64
SP - 011507/1-011507/13
JO - Physical Review E
JF - Physical Review E
SN - 2470-0045
IS - 1 I
ER -
ID: 230987912