NDLI: Recycling PET beverage bottles and improving properties

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Recycling PET beverage bottles and improving properties

Content Provider	Semantic Scholar
Author	Oromiehie, Abdulrasoul Mamizadeh, Alireza
Copyright Year	2004
Abstract	Recycling PET from bottles has been carried out by three different extrusion methods. Under optimized processing conditions, a virgin poly(ethylene terephthalate (PET), recycled PET and a mixture of virgin and recycled PET, with and without the modifier polypropylene functionalized with maleic anhydride [PP-graft-MA]), were processed. Different methods were used to characterize the processed products. The results showed that the intrinsic viscosity and molecular weight decreased as the blend ratio of recycled PET was increased. This was due to thermal exposure as well as shear degradation of recycled PET. Thermal cycles of the processes used for recycling PET and its blending specimens with virgin PET show the importance of the thermal treatment in the improvement of mechanical strength and increased crystallinity. Nevertheless, the properties of the functionalized blends were improved. This behaviour is attributed to a series of chemical and physico-chemical interactions taking place between the two components. Copyright © 2004 Society of Chemical Industry
Starting Page	728
Ending Page	732
Page Count	5
File Format	PDF HTM / HTML
Volume Number	53
Alternate Webpage(s)	http://www.petrops.com/Files/article_pdf/article3.pdf
Alternate Webpage(s)	https://doi.org/10.1002/pi.1389
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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