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Macromolecular motions and hydrodynamic radius variation in dilute solutions under shear action
Author(s) -
He Xianru,
Xue Fei,
Chen Qian,
Huang Guangsu,
Zhang Rui
Publication year - 2015
Publication title -
polymer international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.592
H-Index - 105
eISSN - 1097-0126
pISSN - 0959-8103
DOI - 10.1002/pi.4850
Subject(s) - rheology , polymer , viscoelasticity , shear rate , shear thinning , shear (geology) , hydrodynamic radius , viscosity , materials science , solid mechanics , polymer science , chemical physics , thermodynamics , chemistry , composite material , physics , copolymer
Using a new design of Ubbelohde viscometer, shear rate could be controlled precisely and conveniently. When polymer dilute solutions flow under different shear action, polymer chain conformation and hydrodynamic radius could be changed and polymer coils move to flow through a porous medium. The polymer molecular chain motion can be divided into three stages which can be reflected by experimental data of intrinsic viscosity under various shear rates.