Chemical recycling of postconsumer poly bottles --depolymerization study
Poly(ethylene-terephthalate), PET bottles waste was chemically recycled by glycolysis process. The glycolysis reaction was carried out at three temperatures 170, 180 and 190°C in different time intervals (1, 3, 6 hours) with a weight ratio of ethylene glycol (EG) to PET 1:18 and the zinc acetate as...
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Veröffentlicht in: | Chemical and biochemical engineering quarterly 2013, Vol.27 (1), p.65 |
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creator | Sirocic, A. Pticek Fijacko, A Hrnjak-Murgic, Z |
description | Poly(ethylene-terephthalate), PET bottles waste was chemically recycled by glycolysis process. The glycolysis reaction was carried out at three temperatures 170, 180 and 190°C in different time intervals (1, 3, 6 hours) with a weight ratio of ethylene glycol (EG) to PET 1:18 and the zinc acetate as a catalyst. The glycolysis reaction leads to formation of monomers bis(2-hydroxyethyl)terephthalate (BHET) and ethylene glycol as well as various types of PET oligomers. Depolymerization products were further characterized by infrared spectroscopy (FTIR), differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). From the results it can be seen that remained PET products i.e. oligomers are thermally very stable and they are suitable for obtaining other polymers. Key words: Bis(2-hydroxyethyl)terephthalate, chemical recycling, glycolysis, oligomers, poly(ethylene-terephthalate) |
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Pticek ; Fijacko, A ; Hrnjak-Murgic, Z</creator><creatorcontrib>Sirocic, A. Pticek ; Fijacko, A ; Hrnjak-Murgic, Z</creatorcontrib><description>Poly(ethylene-terephthalate), PET bottles waste was chemically recycled by glycolysis process. The glycolysis reaction was carried out at three temperatures 170, 180 and 190°C in different time intervals (1, 3, 6 hours) with a weight ratio of ethylene glycol (EG) to PET 1:18 and the zinc acetate as a catalyst. The glycolysis reaction leads to formation of monomers bis(2-hydroxyethyl)terephthalate (BHET) and ethylene glycol as well as various types of PET oligomers. Depolymerization products were further characterized by infrared spectroscopy (FTIR), differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). From the results it can be seen that remained PET products i.e. oligomers are thermally very stable and they are suitable for obtaining other polymers. 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Pticek</creatorcontrib><creatorcontrib>Fijacko, A</creatorcontrib><creatorcontrib>Hrnjak-Murgic, Z</creatorcontrib><title>Chemical recycling of postconsumer poly bottles --depolymerization study</title><title>Chemical and biochemical engineering quarterly</title><description>Poly(ethylene-terephthalate), PET bottles waste was chemically recycled by glycolysis process. The glycolysis reaction was carried out at three temperatures 170, 180 and 190°C in different time intervals (1, 3, 6 hours) with a weight ratio of ethylene glycol (EG) to PET 1:18 and the zinc acetate as a catalyst. The glycolysis reaction leads to formation of monomers bis(2-hydroxyethyl)terephthalate (BHET) and ethylene glycol as well as various types of PET oligomers. Depolymerization products were further characterized by infrared spectroscopy (FTIR), differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). From the results it can be seen that remained PET products i.e. oligomers are thermally very stable and they are suitable for obtaining other polymers. Key words: Bis(2-hydroxyethyl)terephthalate, chemical recycling, glycolysis, oligomers, poly(ethylene-terephthalate)</description><subject>Chemical research</subject><subject>Plastic bottles</subject><subject>Polyethylene terephthalate</subject><subject>Polymerization</subject><subject>Waste management</subject><issn>0352-9568</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNotj8FKAzEYhHNQsFbfIS8Qyb_ZrMmxLGqFgpd6lmzyZ42kiWzSw_r0pihzGOYbGJgrsuFCdkzLQd2Q21K-eMtC8Q3Zj594CtZEuqBdbQxpptnT71yqzamcT7i0EFc65VojFsqYwwtoRfgxNeRESz279Y5cexML3v_7lrw_Px3HPTu8vbyOuwObQfeVgZbGcemVmMDgMAxOc_CGK5CgvNNouRVCKq6lfgSL2k5SdBx6LVF1vhdb8vC3O5uIHyH5XBdjm9zlR07oQ-M7MQCoXvcgfgF0d0uk</recordid><startdate>2013</startdate><enddate>2013</enddate><creator>Sirocic, A. Pticek</creator><creator>Fijacko, A</creator><creator>Hrnjak-Murgic, Z</creator><general>Croatian Association of Chemical Engineers</general><scope/></search><sort><creationdate>2013</creationdate><title>Chemical recycling of postconsumer poly bottles --depolymerization study</title><author>Sirocic, A. Pticek ; Fijacko, A ; Hrnjak-Murgic, Z</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g194t-195ad05f83b1ae666d901fa081518fd9ec0c3358095971ce9cb53201495e82f43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Chemical research</topic><topic>Plastic bottles</topic><topic>Polyethylene terephthalate</topic><topic>Polymerization</topic><topic>Waste management</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sirocic, A. Pticek</creatorcontrib><creatorcontrib>Fijacko, A</creatorcontrib><creatorcontrib>Hrnjak-Murgic, Z</creatorcontrib><jtitle>Chemical and biochemical engineering quarterly</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sirocic, A. Pticek</au><au>Fijacko, A</au><au>Hrnjak-Murgic, Z</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Chemical recycling of postconsumer poly bottles --depolymerization study</atitle><jtitle>Chemical and biochemical engineering quarterly</jtitle><date>2013</date><risdate>2013</risdate><volume>27</volume><issue>1</issue><spage>65</spage><pages>65-</pages><issn>0352-9568</issn><abstract>Poly(ethylene-terephthalate), PET bottles waste was chemically recycled by glycolysis process. The glycolysis reaction was carried out at three temperatures 170, 180 and 190°C in different time intervals (1, 3, 6 hours) with a weight ratio of ethylene glycol (EG) to PET 1:18 and the zinc acetate as a catalyst. The glycolysis reaction leads to formation of monomers bis(2-hydroxyethyl)terephthalate (BHET) and ethylene glycol as well as various types of PET oligomers. Depolymerization products were further characterized by infrared spectroscopy (FTIR), differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). From the results it can be seen that remained PET products i.e. oligomers are thermally very stable and they are suitable for obtaining other polymers. Key words: Bis(2-hydroxyethyl)terephthalate, chemical recycling, glycolysis, oligomers, poly(ethylene-terephthalate)</abstract><pub>Croatian Association of Chemical Engineers</pub></addata></record> |
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subjects | Chemical research Plastic bottles Polyethylene terephthalate Polymerization Waste management |
title | Chemical recycling of postconsumer poly bottles --depolymerization study |
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