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- Ecaterina Matei
- Faculty of Materials Science and Engineering, University Politehnica of Bucharest, 313 Splaiul Independentei, 060042 Bucharest, Romania
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- Maria Râpă
- Research Institute of Auxiliary and Organic Products S. A., ICPAO, 8 Carpati St., Medias, 551022 Sibiu, Romania
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- Árpád Andor Andras
- Research Institute of Auxiliary and Organic Products S. A., ICPAO, 8 Carpati St., Medias, 551022 Sibiu, Romania
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- Andra Mihaela Predescu
- Faculty of Materials Science and Engineering, University Politehnica of Bucharest, 313 Splaiul Independentei, 060042 Bucharest, Romania
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- Cristian Pantilimon
- Faculty of Materials Science and Engineering, University Politehnica of Bucharest, 313 Splaiul Independentei, 060042 Bucharest, Romania
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- Alexandra Pica
- Research Institute for Advanced Coatings S. A., ICAA, 49 A Theodor Pallady Blv., 032258 Bucharest, Romania
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- Cristian Predescu
- Faculty of Materials Science and Engineering, University Politehnica of Bucharest, 313 Splaiul Independentei, 060042 Bucharest, Romania
説明
<jats:p>The use of recycled polypropylene (RPP) as raw material for various industries has been known. However, the mechanical and thermal properties of recycled products are lower than those of raw material. The objective of this study was to obtain and investigate the modified recycled polypropylene (RPP) with commercial elastomers for possible applications. The compounded RPP-based thermoplastic elastomers were investigated in order to determine their thermal properties (melt flow index (MFI), differential scanning calorimetry (DSC), VICAT softening temperature (VST), and heat deflection temperature (HDT)), structural characteristics (optical microscopy, atomic force microscopy (AFM), and X-ray diffraction (XRD)), and mechanical properties (tensile properties, density, and IZOD impact). The RPP compounded with 10% elastomer recorded higher tensile properties than the unmodified RPP. Also, IZOD impact strength increased from<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mn fontstyle="italic">4.3</mml:mn><mml:mo>±</mml:mo><mml:mn fontstyle="italic">0.2</mml:mn></mml:math> kJ/m<jats:sup>2</jats:sup>(registered for RPP) to<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M2"><mml:mn fontstyle="italic">21.7</mml:mn><mml:mo>±</mml:mo><mml:mn fontstyle="italic">2.5</mml:mn></mml:math> kJ/m<jats:sup>2</jats:sup>for the PPR/SIS30 compound, while the degree of crystallinity decreased for all compounds. The obtained results recommend the RPP/elastomers compounds both for environmental remediation from postconsumer PP wastes and to realize new goods with high performance for various applications.</jats:p>
収録刊行物
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- International Journal of Polymer Science
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International Journal of Polymer Science 2017 1-10, 2017
Hindawi Limited
