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On the Effect of Pr...
On the Effect of Pressure on the Shear and Elongational Viscosities of Polymer Melts
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- Sedlacek, Tomas (author)
- Univerzita Tomase Bati ve Zline,Tomas Bata University in Zlín
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- Zatloukal, Martin (author)
- Univerzita Tomase Bati ve Zline,Tomas Bata University in Zlín
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- Filip, Petr (author)
- Czech Academy of Sciences
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- Boldizar, Antal, 1957 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Saha, Petr (author)
- Univerzita Tomase Bati ve Zline,Tomas Bata University in Zlín
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(creator_code:org_t)
- 2004
- 2004
- English.
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In: Polymer Engineering and Science. - : Wiley. - 0032-3888 .- 1548-2634. ; 44:7, s. 1328-1337
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https://doi.org/10.1...
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Abstract
Subject headings
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- The effect of pressure and temperature on the shear and elongational deformation rate-dependent viscosities has been experimentally investigated for several polymers (HDPE, LDPE, LLDPE, PP, PC, PMMA, and PS) on a capillary rheometer with a back-pressure device. Pressure, β, and temperature, α, coefficients have been determined through simultaneous fitting of the shear and extensional viscosity data by the modified White-Metzner model. The dependence of β and α on temperature and pressure, respectively, was investigated and it has been found that simple relationships exist between pressure and temperature sensitivity coefficients for individual polymers. © 2004 Society of Plastics Engineers.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
Keyword
- pressure
- shear
- viscosity
- polymers
Publication and Content Type
- art (subject category)
- ref (subject category)
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