Manufacturing, Characterisation and Mechanical Analysis of Polyacrylonitrile Membranes
To investigate the effect of polyvinylpyrrolidone (PVP) addition and consequently porosity, two different sets of membranes are manufactured, since PVP is a widely used poring agent which has an impact on the mechanical properties of the membrane material. The first set (PAN 1) includes polyacryloni...
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| Veröffentlicht in: | Polymers 2020-10, Vol.12 (10), p.2378 |
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| creator | Tüfekci, Mertol Durak, Sevgi Güneş Pir, İnci Acar, Türkan Ormancı Demirkol, Güler Türkoğlu Tüfekci, Neşe |
| description | To investigate the effect of polyvinylpyrrolidone (PVP) addition and consequently porosity, two different sets of membranes are manufactured, since PVP is a widely used poring agent which has an impact on the mechanical properties of the membrane material. The first set (PAN 1) includes polyacrylonitrile (PAN) and the necessary solvent while the second set (PAN 2) is made of PAN and PVP. These membranes are put through several characterisation processes including tensile testing. The obtained data are used to model the static behaviour of the membranes with different geometries but similar loading and boundary conditions that represent their operating conditions. This modelling process is undertaken by using the finite element method. The main idea is to investigate how geometry affects the load-carrying capacity of the membranes. Alongside membrane modelling, their materials are modelled with representative elements with hexagonal and rectangular pore arrays (RE) to understand the impact of porosity on the mechanical properties. Exploring the results, the best geometry is found as the elliptic membrane with the aspect ratio 4 and the better RE as the hexagonal array which can predict the elastic properties with an approximate error of 12%. |
| doi_str_mv | 10.3390/polym12102378 |
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The first set (PAN 1) includes polyacrylonitrile (PAN) and the necessary solvent while the second set (PAN 2) is made of PAN and PVP. These membranes are put through several characterisation processes including tensile testing. The obtained data are used to model the static behaviour of the membranes with different geometries but similar loading and boundary conditions that represent their operating conditions. This modelling process is undertaken by using the finite element method. The main idea is to investigate how geometry affects the load-carrying capacity of the membranes. Alongside membrane modelling, their materials are modelled with representative elements with hexagonal and rectangular pore arrays (RE) to understand the impact of porosity on the mechanical properties. Exploring the results, the best geometry is found as the elliptic membrane with the aspect ratio 4 and the better RE as the hexagonal array which can predict the elastic properties with an approximate error of 12%.</description><identifier>ISSN: 2073-4360</identifier><identifier>EISSN: 2073-4360</identifier><identifier>DOI: 10.3390/polym12102378</identifier><identifier>PMID: 33081085</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Arrays ; Aspect ratio ; Bearing strength ; Boundary conditions ; Elastic properties ; Finite element method ; Geometry ; Load carrying capacity ; Manufacturing ; Mechanical analysis ; Mechanical properties ; Membranes ; Modelling ; Permeability ; Plastic foams ; Polyacrylonitrile ; Polymers ; Polyvinylpyrrolidone ; Porosity ; Tensile tests ; Water treatment</subject><ispartof>Polymers, 2020-10, Vol.12 (10), p.2378</ispartof><rights>2020 by the authors. Licensee MDPI, Basel, Switzerland. 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| subjects | Arrays Aspect ratio Bearing strength Boundary conditions Elastic properties Finite element method Geometry Load carrying capacity Manufacturing Mechanical analysis Mechanical properties Membranes Modelling Permeability Plastic foams Polyacrylonitrile Polymers Polyvinylpyrrolidone Porosity Tensile tests Water treatment |
| title | Manufacturing, Characterisation and Mechanical Analysis of Polyacrylonitrile Membranes |
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