SANS analysis of the molecular order in poly(γ-benzyl L-glutamate)/deuterated dimethylformamide (PBLG/d-DMF) under shear and during relaxation

Lynn M. Walker; Norman J. Wagner

doi:10.1021/ma951127p

SANS analysis of the molecular order in poly(γ-benzyl L-glutamate)/deuterated dimethylformamide (PBLG/d-DMF) under shear and during relaxation

Lynn M. Walker, Norman J. Wagner

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67 Scopus citations

Abstract

Small-angle neutron scattering (SANS) has been used to measure the overall molecular alignment in solutions of PBLG/d-DMF during and after cessation of steady shear flow A new technique for resolving order parameters from two-dimensional SANS data is presented. Results of this analysis show that during the period of time after cessation of flow from the linear regime, the overall molecular alignment in the velocity-vorticity projection increases, confirming previous birefringence measurements.

Original language	English (US)
Pages (from-to)	2298-2301
Number of pages	4
Journal	Macromolecules
Volume	29
Issue number	6
DOIs	https://doi.org/10.1021/ma951127p
State	Published - Mar 11 1996
Externally published	Yes

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10.1021/ma951127p

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abstract = "Small-angle neutron scattering (SANS) has been used to measure the overall molecular alignment in solutions of PBLG/d-DMF during and after cessation of steady shear flow A new technique for resolving order parameters from two-dimensional SANS data is presented. Results of this analysis show that during the period of time after cessation of flow from the linear regime, the overall molecular alignment in the velocity-vorticity projection increases, confirming previous birefringence measurements.",

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AU - Walker, Lynn M.

AU - Wagner, Norman J.

PY - 1996/3/11

Y1 - 1996/3/11

N2 - Small-angle neutron scattering (SANS) has been used to measure the overall molecular alignment in solutions of PBLG/d-DMF during and after cessation of steady shear flow A new technique for resolving order parameters from two-dimensional SANS data is presented. Results of this analysis show that during the period of time after cessation of flow from the linear regime, the overall molecular alignment in the velocity-vorticity projection increases, confirming previous birefringence measurements.

AB - Small-angle neutron scattering (SANS) has been used to measure the overall molecular alignment in solutions of PBLG/d-DMF during and after cessation of steady shear flow A new technique for resolving order parameters from two-dimensional SANS data is presented. Results of this analysis show that during the period of time after cessation of flow from the linear regime, the overall molecular alignment in the velocity-vorticity projection increases, confirming previous birefringence measurements.

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SANS analysis of the molecular order in poly(γ-benzyl L-glutamate)/deuterated dimethylformamide (PBLG/d-DMF) under shear and during relaxation

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