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Martin Zatloukal
Novel Trends in Rheology VII

Appl. Rheol. 27:5 (2017) 51-54

Cite this publication as follows:
Zatloukal M: Novel Trends in Rheology VII, Appl. Rheol. 27 (2017) 51.

Martin Zatloukal
Novel Trends in Rheology VI

Appl. Rheol. 25:6 (2015) 49-50

Cite this publication as follows:
Zatloukal M: Novel Trends in Rheology VI, Appl. Rheol. 25 (2015) 49.

Martin Zatloukal
Novel Trends in Rheology V

Appl. Rheol. 23:5 (2013) 312-313

Cite this publication as follows:
Zatloukal M: Novel Trends in Rheology V, Appl. Rheol. 23 (2013) 312.

Martin Zatloukal
Novel Trends in Rheology IV

Appl. Rheol. 21:6 (2011) 367-368

Cite this publication as follows:
Zatloukal M: Novel Trends in Rheology IV, Appl. Rheol. 21 (2011) 367.

Martin Zatloukal
Novel Trends in Rheology III

Appl. Rheol. 19:5 (2009) 314-315

Cite this publication as follows:
Zatloukal M: Novel Trends in Rheology III, Appl. Rheol. 19 (2009) 314.

Martin Zatloukal
Novel Trends in Rheology II

Appl. Rheol. 18:2 (2008) 124-124

Cite this publication as follows:
Zatloukal M: Novel Trends in Rheology II, Appl. Rheol. 18 (2008) 124.

Delegates of the national rheological societies
Society's Site Sep 2005 - Feb 2006

Appl. Rheol. 15:4 (2005) 252-265

Cite this publication as follows:
Rheological Societies, Mielke W, Coussot P, Mavrantzas VG, Wagner MH, Zatloukal M: Society's Site Sep 2005 - Feb 2006, Appl. Rheol. 15 (2005) 252.

M.Zatloukal, J. Vlcek, A. Slanik, A. Lengalova, J. Simonik
Experimental and numerical investigation into metallocene polymer melt flow in film blowing dies

Appl. Rheol. 12:3 (2002) 126-132

A frequent problem in the production of metallocene linear low-density polyethylene (mLLDPE) films is the occurrence of flow instabilities, e.g. sharkskin, or degradation of material, which limit the production rate and decrease the product quality. If such problems arise, the question is what causes these phenomena and how they can be avoided. With the aim of understanding these problems and providing some guidelines for their suppression, rheological measurements together with modelling of these melt flows are often employed. In the present study, flow behaviour of two commercially available mLLDPEs was determined and used for the process simulation. The paper shows that the capillary-rheology data together with 2D finite element method can be used for the prediction of sharkskin phenomenon as well as degradation of mLLDPE melts in film blowing dies. It also reveals that the degradation of the materials in these dies can be quantified through wall shear stress. Finally, the paper describes how these findings can help optimize the flow channel in the film blowing die to avoid the undesirable flow phenomena.

Cite this publication as follows:
Zatloukal M, Vlcek J, Slanik A, Lengalova A, Simonik J: Experimental and numerical investigation into metallocene polymer melt flow in film blowing dies, Appl. Rheol. 12 (2002) 126.


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