Effect of compatibilizig agent on the properties of polylactide and polylactide based composite during ozone exposure |
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| Institution: | 1. Institute for Problems of Chemical and Energetic Technologies, Siberian Branch of the Russian Academy of Sciences (IPCET SB RAS), Biysk 659322, Altai Krai, Russia;2. N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences (NIOCh SB RAS), Novosibirsk 630090, Russia;3. OOO Elektromash, Novosibirsk, 630088 Russia;1. Institute of Fundamental Technological Research, PAS, Warsaw, Poland;2. Institute of Materials Science, University of Silesia, Katowice, Poland;3. Aichi Institute of Technology, Toyota-city, Japan;4. SMP Technologies Inc., Tokyo, Japan;1. Department of Textile Technology, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110 016, India;2. Department of Civil Engineering, National Institute of Technology Rourkela, Odisha, 769008, India |
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| Abstract: | Compatibilizers belong to the most important internal factors which influence the degradation process of polymer matrix. For this reason in the current study, polylactide (L), polylactide with 5% of poly(ε-caprolactone) (LK) as compatibilizing agent and samples with 5%wt. of montmorillonite (MMT) (LS5 and LS5K respectively) before and after various time of ozone exposure have been analyzed. The results from infrared spectroscopy, gel permeation chromatography, atomic force microscopy, differential scanning calorimetry and thermogravimetric analysis have been presented. It has been established that microstructural changes during ozone exposure of the samples with the presence of compatibilizer increase in relation to the samples comprising PLA and PLA filled with montmorillonite. Moreover it has been determined that the introduction of poly(ε-caprolactone) into pure polymer as well as into PLA-montmorillonite material accelerates ozone-induced degradation, although it does not change the mechanism of the degradation process. |
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| Keywords: | Polylactide Compatibilizer Nanofiller Ozone Thermal properties |
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