RECYCLING OF MIXED PLASTICS WASTE CONTAINING POLYETHYLENE, POLYVINYLCHLORIDE AND POLYETHYLENE TEREPHTHALATE

Chemical Engineering Research Bulletin Pub Date : 2013-12-29 DOI:10.3329/CERB.V16I1.17471

G. M. Mamoor, W. Shahid, Amir Mushtaq, U. Amjad, U. Mehmood

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引用次数: 14

Abstract

This research work was undertaken to investigate the spectroscopic, morphological and rheological properties of polymer blends made of recycled Polyethylene terephthalate (PET), Polyethylene (PE) and Polyvinylchloride (PVC). Different blends of these polymers were made by varying composition of PET. Each recycled blend consisted of recycled polymers and ethylene propylene diene monomer (EPDM) as a compatiblizer. Spectroscopic and morphological characteristics of recycled polymer blends were investigated using Fourier Transform Infrared Spectrometer (FTIR) and Scanning Electron Microscope (SEM) respectively. SEM analysis revealed low miscibility among these three polymers. While rheological properties were investigated using Melt Flow Indexer (MFI). The rheological characterization indicated that melt flow index (MFI) decreases with increase of PET concentration in PE/PET/PVC recycled blends. It was also observed that with increase of PET contents recycled blends show pseudoplastic behavior. DOI: http://dx.doi.org/10.3329/cerb.v16i1.17471 Chemical Engineering Research Bulletin 16(2013) 25-32

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回收含聚乙烯、聚氯乙烯和聚对苯二甲酸乙二醇酯的混合塑料废物

本文研究了由再生聚对苯二甲酸乙二醇酯(PET)、聚乙烯(PE)和聚氯乙烯(PVC)制成的聚合物共混物的光谱、形态和流变性能。这些聚合物的不同共混物是由不同的PET组成的。每种回收共混物由回收聚合物和乙丙二烯单体(EPDM)作为增容剂组成。利用傅里叶变换红外光谱仪(FTIR)和扫描电子显微镜(SEM)分别研究了回收聚合物共混物的光谱和形态特征。扫描电镜分析表明，这三种聚合物的互溶性较低。同时用熔体流动指数仪(MFI)研究了材料的流变性能。流变学表征表明，PE/PET/PVC再生共混物的熔体流动指数(MFI)随PET浓度的增加而降低。随着PET含量的增加，再生共混物表现出假塑性行为。DOI: http://dx.doi.org/10.3329/cerb.v16i1.17471化学工程研究通报16(2013)25-32

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Chemical Engineering Research Bulletin

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