PET RECYCLING: EVALUATION OF THE SOLID STATE POLYMERIZATION PROCESS

机译：PET回收：固态聚合过程的评估

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In this work we studied the solid state polymerization (SSP) process applied to post-consumer recycled poly (ethylene terephtalate) PET by analyzing intrinsic viscosity and amount of carboxyl end groups, and the results of dynamic flow rheometry. Although, the results show that the recycling process decreases polymer molar mass, indicating degradative processes, SSP was successful in increasing molar mass in post-consumer recycled PET. This made feasible bottle-to-bottle recycling. In addition, the parallel plate rheometry technique was powerful in assessing the degradative process and, therefore, that the SSP process was successful.

机译：在这项工作中，我们通过分析特性粘度和羧基端基的数量以及动态流变仪的结果，研究了应用于消费后回收的聚对苯二甲酸乙二醇酯PET的固态聚合（SSP）工艺。尽管结果表明，回收过程降低了聚合物的摩尔质量，表明存在降解过程，但SSP成功地提高了消费后回收PET的摩尔质量。这使得瓶到瓶的回收变得可行。此外，平行板流变仪技术在评估降解过程方面功能强大，因此SSP过程成功了。

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来源
《Global Symposium on Recycling, Waste Treatment and Clean Technology; 20040926-29; Madrid(ES)》|2004年|P.1787-1791|共5页
会议地点 Madrid(ES)
作者
S. A. Cruz; M. Zanin;
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作者单位

Department of Materials Engineering - DEMa / Universidade Federal de Sao Carlos -UFSCar Rodovia Washington Luis, Km 235 / Sao Carlos, SP, Brasil, CEP 13565-905;

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原文格式 PDF
正文语种 eng
中图分类废物处理与综合利用;
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专利

1. PET recycling: Evaluation of the solid state polymerization process [J] . Cruz SA, Zanin M Journal of Applied Polymer Science . 2006,第5期

机译：PET回收：固态聚合过程的评估
2. Determination of volatile organic compounds in recycled polyethylene terephthalate and high-density polyethylene by headspace solid phase microextraction gas chromatography mass spectrometry to evaluate the efficiency of recycling processes [J] . Dutra C., Pezo D., Freire M.T.D.A., Journal of chromatography, A: Including electrophoresis and other separation methods . 2011,第10期

机译：顶空固相微萃取气相色谱质谱法测定回收的聚对苯二甲酸乙二醇酯和高密度聚乙烯中的挥发性有机化合物，以评估回收过程的效率
3. Determination of volatile organic compounds in recycled polyethylene terephthalate and high-density polyethylene by headspace solid phase microextraction gas chromatography mass spectrometry to evaluate the efficiency of recycling processes [J] . Dutra C., Pezo D., Freire M.T.D.A., Journal of chromatography, A: Including electrophoresis and other separation methods . 2011,第10期

机译：顶空固相微萃取气相色谱质谱法测定回收的聚对苯二甲酸乙二醇酯和高密度聚乙烯中的挥发性有机化合物，以评估回收过程的效率
4. PET RECYCLING: EVALUATION OF THE SOLID STATE POLYMERIZATION PROCESS [C] . S. A. Cruz, M. Zanin Global Symposium on Recycling, Waste Treatment and Clean Technology . 2004

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5. Evaluation of PET and recycled PET as replacements for a PETG packaging tray [D] . Griffin, Jennifer Clark 1994

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6. Safety assessment of the process DY Polymer based on PET direct iV+ technology used to recycle post‐consumer PET into food contact materials [O] . Claude Lambré, José Manuel Barat Baviera, Claudia Bolognesi, 2021

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7. Recycling and processing of several typical crosslinked polymer scraps with enhanced mechanical properties based on solid-state mechanochemical milling [O] . Canhui Lu, Xinxing Zhang, Wei Zhang 2015

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PET RECYCLING: EVALUATION OF THE SOLID STATE POLYMERIZATION PROCESS

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