FEASIBILITY STUDY OF PET BOTTLE RECYCLING IN ORDER TO PRODUCE UNSATURATED POLYESTER RESIN

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OMRANI GH.A.; VOSOUGHIE M.; GHOLAMI MAFIE R.

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Journal Paper

Paper Information

Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2005 | Volume:- | Issue:23 Page(s): 1-15

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Title

FEASIBILITY STUDY OF PET BOTTLE RECYCLING IN ORDER TO PRODUCE UNSATURATED POLYESTER RESIN

Author(s)

OMRANI GH.A. | VOSOUGHIE M. | GHOLAMI MAFIE R. | Issue Writer Certificate

Keywords

RECYCLING

PAST CONSUMER BOTTLES

POLY ETHYLENE TEREPHTHALATE

UNSATURATED POLYESTER

POLYMERI

Abstract

Post-consumer waste poly (ethylene terephthalate), PET, scraps were glycolyzed at different reaction times and different weight ratios of 37.5 to 62.5% PET by using propylene glycol, PG. It was shown that the effect of catalyst presence is significant upon the acceleraion of depolymerization. Two grades of virgin and waste PET were used to compare the depolymerization behaviour by using PG, which showed the exact similarity. The free glycol of the resulted glyco-esters was removed. FTIR, GPC and DSC techniques were used to characterize the glycolization products, and hydroxyl value determination was used to specify the extent of the reaction. The results showed that the some PET chains have been broken down and hydroxyl-terminated end gropus have been formed on the oligomeric chains. A relative decrease in molecular weight and viscosity at same PET concentrations by increasing the reaction time indicated that the PET chains have been broken The results of free glycol removal and hydroxyl value tests confirmed that about 12 to 25% of PG have been used up to break the PET chains. The resulted oligomeric glycolizates can be readily used in formulation of unsaturated resins and specific types of polyurethanes.

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APA: Copy

OMRANI, GH.A., VOSOUGHIE, M., & GHOLAMI MAFIE, R.. (2005). FEASIBILITY STUDY OF PET BOTTLE RECYCLING IN ORDER TO PRODUCE UNSATURATED POLYESTER RESIN. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, -(23), 1-15. SID. https://sid.ir/paper/529282/en

Vancouver: Copy

OMRANI GH.A., VOSOUGHIE M., GHOLAMI MAFIE R.. FEASIBILITY STUDY OF PET BOTTLE RECYCLING IN ORDER TO PRODUCE UNSATURATED POLYESTER RESIN. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2005;-(23):1-15. Available from: https://sid.ir/paper/529282/en

IEEE: Copy

GH.A. OMRANI, M. VOSOUGHIE, and R. GHOLAMI MAFIE, “FEASIBILITY STUDY OF PET BOTTLE RECYCLING IN ORDER TO PRODUCE UNSATURATED POLYESTER RESIN,” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. -, no. 23, pp. 1–15, 2005, [Online]. Available: https://sid.ir/paper/529282/en

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