| Title | Poly-ethyleneterephthalate (PET): Production, quality characteristics, uses, new applications and recycling | |
| Authors | Kostas Kotrokois
Laboratory of R&D/Q. Control, Coca-Cola-Frigoglass-V.P.I. S.A., Marousi, Athens, Greece |
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| Citation | Kotrokois, K.: Poly-ethyleneterephthalate (PET): Production, quality characteristics, uses, new applications and recycling, Epitheorese Klin. Farmakol. Farmakokinet. 17(1): 43-48 (2003) | |
| Publication Date | Received for publication: 15 December 2002
Accepted for publication: 30 January 2003 |
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| Full Text Language | English | |
| Order – Buy | Ηλεκτρονική Μορφή: pdf (10 €) – Digital Type: pdf (10 €)
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| Keywords | PET, production, quality characteristics, uses, new applications, recycling. | |
| Other Terms | review article | |
| Summary | Poly ethyleneterephthalate, better known as PET, was patented as a fiber forming polymer in 1941 in England. The intervening 60 year period has seen an ongoing development of the manufacturing technology and engineering to a high degree of sophistication based on the spectacular world-wide growth of PET and diversification of the outlets for it. Besides expanding into a wide range of film outlets, PET applications of bottles (particularly for carbonated soft drinks) and thermoformed containers. The source of PET is crude oil, and the manufacturing of bottle-grade PET resin is based on the polymerization of purified Terephthalic Acid (PTA) and Methyl Ethyl Glycol (MEG) and it is produced through a continuous melt phase and a subsequent solid state polymerization (SSP). PET is a crystalline resin. Final bottle appearance requires that no crystallization occurs in the preforms. An excellent property of PET bottle is low gas permeation. The PET resin quality characteristics are crystallinity, Tg & Tm, density, molecular weight and molecular weight distribution, intrinsic viscosity, viscosity and viscosity in solution, stability, carboxyl end groups concentration, DEG and residual acetaldehyde, cyclic trimers, catalyst residues and color. The Key properties of PET are: molecular weight, Tg and crystallinity. Description of competitive advantages and outstanding properties of oriented PET resin. Elements concerning PET world-wide production, uses, new PET applications and PET recycling. | |
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