Results 151 to 160 of about 35,486 (206)
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Optics and Lasers in Engineering, 2017
Joining of Poly(Ethylene Terephthalate) PET and its biodegradable derivatives is of high relevance to ensure good productive rate, low cost and operational safety for fabrication of medical and electronic devices, sport equipments as well as for manufacturing of food and drug packaging solutions.
Gisario, A +4 more
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Joining of Poly(Ethylene Terephthalate) PET and its biodegradable derivatives is of high relevance to ensure good productive rate, low cost and operational safety for fabrication of medical and electronic devices, sport equipments as well as for manufacturing of food and drug packaging solutions.
Gisario, A +4 more
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Blends of poly(ethylene terephthalate) and poly(butylene terephthalate)
Journal of Applied Polymer Science, 2005AbstractCommercial grade poly(ethylene terephthalate), (PET, intrinsic viscosity = 0.80 dL/g) and poly(butylene terephthalate), (PBT, intrinsic viscosity = 1.00 dL/g) were melt blended over the entire composition range using a counterrotating twin‐screw extruder. The mechanical, thermal, electrical, and rheological properties of the blends were studied.
G. Aravinthan, D. D. Kale
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Polymer, 1998
The miscibility behaviour of melt-mixed poly(ethylene terephthalate-co-diethylene glycol terephthalate) [PET-co-DEGT] with poly(ethylene oxide) was investigated in all composition ranges. The crystallization of the semicrystalline blend component at different compositions was evaluated by optical microscopy with crossed polarizers.
Ivonete O Barcellos +2 more
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The miscibility behaviour of melt-mixed poly(ethylene terephthalate-co-diethylene glycol terephthalate) [PET-co-DEGT] with poly(ethylene oxide) was investigated in all composition ranges. The crystallization of the semicrystalline blend component at different compositions was evaluated by optical microscopy with crossed polarizers.
Ivonete O Barcellos +2 more
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Polycondensation kinetics of poly(ethylene terephthalate) and poly(butylene terephthalate)
Polymer, 1986Abstract The polycondensation kinetics of poly(ethylene terephthalate) (PET) and poly(butylene terephthalate) (PBT) in the absence of catalyst are found to be of different nature. By means of a set of multiparameter kinetic equations, the kinetic behaviour of PET polycondensation can be simulated numerically; the cause of the disparity is found to be
Tong-yin Yu +4 more
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Poly(ethylene terephthalate) fibres
1997Poly(ethylene terephthalate), or PET, is the most outstanding member of the family of polyester fibres. Polyester is defined by the International Standards Organisation (ISO) as ‘a polymer comprising synthetic linear macromolecules having in the chain at least 85% (by mass) of an ester of a diol and terephthalic acid’ [1]. A comprehensive compendium on
V. B. Gupta +2 more
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Journal of Polymer Science Part B: Polymer Physics, 2000
Pressure effect on the melting behavior of poly(butylene terephthalate) (PBT) and poly(hexamethylene terephthalate) (PHT) was studied by high-pressure DTA (HP-DTA) up to 320 and 530 MPa, respectively. Cooling rate dependence on the DSC melting curves of the samples cooled from the melt was shown at atmospheric pressure.
Munehisa Yasuniwa +2 more
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Pressure effect on the melting behavior of poly(butylene terephthalate) (PBT) and poly(hexamethylene terephthalate) (PHT) was studied by high-pressure DTA (HP-DTA) up to 320 and 530 MPa, respectively. Cooling rate dependence on the DSC melting curves of the samples cooled from the melt was shown at atmospheric pressure.
Munehisa Yasuniwa +2 more
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Annealing of poly (ethylene terephthalate)
European Polymer Journal, 2014Abstract Poly (ethylene terephthalate), PET, crystallized isothermally at 234 °C has been annealed above the crystallization temperature in regimes II, below the onset of melting, and in regime III, in the range of observable melting [1] , [2] . The mechanism has been analyzed by differential scanning calorimetry and FTIR spectroscopy and shown to ...
Ziyu Chen, M.J. Jenkins, J.N. Hay
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Journal of Macromolecular Science, Part B, 2021
The production and utilization of disposal merchandise made of poly(ethylene terephthalate) (PET) continue to increase with an annual rate of ∼2%.
Nasrollah Hamidi +2 more
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The production and utilization of disposal merchandise made of poly(ethylene terephthalate) (PET) continue to increase with an annual rate of ∼2%.
Nasrollah Hamidi +2 more
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Poly(Ethylene Terephthalate) Microplastics
2021The high PET production volume and the waste mismanagement of PET litter make it one of the most polluting plastic material. Its diffusion in marine litter is widely assessed according to public opinion and documented in the literature. The major sources of PET microplastics in the marine environment are bottles and fibers.
Francesca Lionetto +1 more
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Structure of poly(ethylene terephthalate)
Journal of Macromolecular Science, Part B, 1967Abstract This article summarizes electron microscopy, X-ray diffraction, and infrared spectroscopy examinations of poly(ethylene terephthalate) which have been published in recent issues of the Journal of Macromolecular Science—Physics [1-3]. The structure of glassy poly(ethylene terephthalate) and the effect of crystallization from the glass by ...
P. H. Geil +3 more
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