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Characterization of structure and properties of polymer films made from blends of polyethylene with poly(4-methyl-1-pentene)

Published online by Cambridge University Press:  22 December 2016

Katarzyna Merkel ,
Joanna Lenża ,
Henryk Rydarowski ,
Andrzej Pawlak  and
Roman Wrzalik
Katarzyna Merkel*
Affiliation:
Department of Material Engineering, Central Mining Institute, Katowice 40-166, Poland
Joanna Lenża
Affiliation:
Department of Material Engineering, Central Mining Institute, Katowice 40-166, Poland
Henryk Rydarowski
Affiliation:
Department of Material Engineering, Central Mining Institute, Katowice 40-166, Poland
Andrzej Pawlak
Affiliation:
Polish Academy of Science, Department of Polymer Physics, Centre of Molecular and Macromecular Studies, Łódź 90-363, Poland
Roman Wrzalik
Affiliation:
Biophysics and Molecular Physics Department, University of Silesia, Chorzów 41-500, Poland
*
a)Address all correspondence to this author. e-mail: kmerkel@gig.eu
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Abstract

The main aim of this research was investigation of the processing-structure-property relationship for polymer blends. The paper presents the results of tests on the structure, basic physical and porous properties of polymer films blend of low density polyethylene (LDPE) with poly(4-methyl-1-pentene) (PMP). Studies utilizing LDPE/PMP blends were undertaken to investigate a three-stage process: melt-extrusion/annealing/uniaxial-stretching (MEAUS), and a two-stage process: melt-extrusion/uniaxial and biaxial stretching (MEUS and MEUBS), used to produce porous films. The permeability and porosity results coupled with small-angle x-ray scattering data provide a direct connection between changes in microstructure to the observed changes in gas transport properties.

Keywords

melt-extrusionsemicrystalline polymer blendsvoidsporous material
Type
Articles
Information
Journal of Materials Research , Volume 32 , Issue 2 , 27 January 2017 , pp. 451 - 464
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Copyright
Copyright © Materials Research Society 2016 

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References

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