Splash of an Elastic Liquid as a Rheological Test of Polymer Solutions
| Autor: | Aleksey N. Rozhkov, A. V. Bazilevskii |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
chemistry.chemical_classification
Splash Aqueous solution Materials science Polymers and Plastics Ethylene oxide 02 engineering and technology Polymer 021001 nanoscience & nanotechnology 01 natural sciences Viscoelasticity 010305 fluids & plasmas Condensed Matter::Soft Condensed Matter chemistry.chemical_compound chemistry Rheology 0103 physical sciences Materials Chemistry Outflow Composite material 0210 nano-technology Elastic modulus |
| Zdroj: | Polymer Science, Series A. 60:391-403 |
| ISSN: | 1555-6107 0965-545X |
| DOI: | 10.1134/s0965545x1803001x |
| Popis: | The pulse radial outflow from a gap between two rapidly approaching disks is used to study the rheological properties of elastic liquids under the extremum-strain regime (high strain rate and stretching degree). The theoretical description for the radial outflow of a liquid is constructed within the framework of the viscoelastic rheological model. Experiments on the high-velocity throwing of the aqueous solutions of high-molecular-mass poly(ethylene oxide) with concentrations of 1, 2, and 4% are performed. A comparison of the theoretical predictions with the experimental data makes it possible to determine the rheological characteristics of liquids under the extremum-strain conditions. It is found that at high strain rates the elastic modulus grows considerably, while the relaxation time decreases. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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