Studies on Degradation of PET in Mechanical Recycling

Tipo de material: Texto

TextoSeries ; Macromol. Symp., 144(1), p.465-469, 1999Trabajos contenidos:

Masoud Frounchi

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Resumen: PET Poly(ethy1ene terephthalate)was processed repeatedly in a twin extruder. Effect of reprocessing on molecular structure of PET was evaluated in terms of reduction in molecular weight and mechanical properties. This study shows that weight-average molecular weight Mw drops more notably compared with mechanical properties. Mechanical blending of virgin polymer with recycled PET was studied. The results of mechanical testings indicate that there is only slight loss in mechanical properties. The results suggest that mechanical recycling is a suitable method for recycling of PET for economic and environmental purposes.

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Documentos solicitados	CICY Documento préstamo interbibliotecario	Ref1	B-13693 (Browse shelf(Opens below))	Available

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PET Poly(ethy1ene terephthalate)was processed repeatedly in a twin extruder. Effect of reprocessing on molecular structure of PET was evaluated in terms of reduction in molecular weight and mechanical properties. This study shows that weight-average molecular weight Mw drops more notably compared with mechanical properties. Mechanical blending of virgin polymer with recycled PET was studied. The results of mechanical testings indicate that there is only slight loss in mechanical properties. The results suggest that mechanical recycling is a suitable method for recycling of PET for economic and environmental purposes.

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