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Self-organization of lamellae and permeability of microporous oriented polypropylene films |
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| Authors: | D. V. Novikov G. K. Elyashevich V. K. Lavrentyev I. S. Kuryndin V. Bukošek |
| Affiliation: | 1. Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoi pr. 31, St. Petersburg, 199004, Russia 2. Faculty for Natural Sciences and Engineering, University of Ljubljana, Sne?ni?ka cesta 5, Ljubljana, 1001, Slovenia |
| Abstract: | The effect of the annealing temperature T ann of extruded polypropylene films on the structure of membranes prepared by the uniaxial extension of annealed films with the subsequent thermal fixation has been investigated using small-angle X-ray scattering and scanning electron microscopy. It has been shown that an increase in the permeability of membranes with increasing temperature T ann is due to the self-organization of elements of the lamellar structure of the polymer as a result of the ordering and aggregation of particles. |
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