Rheological behavior of a polymer melt under the impact of a vibration force field | Zendy

Zeng Guangsheng | Zendy; Qu Jinping | Zendy

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Rheological behavior of a polymer melt under the impact of a vibration force field

Author(s) -

Zeng Guangsheng,

Qu Jinping

Publication year - 2007

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.26562

Subject(s) - rheology , vibration , materials science , viscosity , amplitude , relaxation (psychology) , shear thinning , polymer , composite material , mechanics , shear (geology) , field (mathematics) , thermodynamics , physics , mathematics , acoustics , optics , psychology , social psychology , pure mathematics

A model for the molecular motion of a polymer melt under the impact of a vibration force field was developed. From complicated theory deduction, an expression of the relaxation time and dynamic apparent viscosity were obtained. The effect of a vibration frequency and amplitude on the melt's dynamic apparent viscosity is explained in terms of shear‐thinning and untie‐tangle criteria. The model is supplemented by a calculation sample and experiment, which show that dynamic apparent viscosity of a melt will tend to decrease as the vibration frequency or amplitude increases. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci, 2007

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