Morphological, optical and electromagnetic characterization of polybutylene terephthalate/silica nanocomposites

Gashti, Mazeyar Parvinzadeh; Hajiraissi, Roozbeh; Gashti, Mahyar Parvinzadeh

doi:10.1007/s12221-013-1324-8

Cited by 22 publications

(9 citation statements)

References 51 publications

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“…Two major peaks at ∼300 and ∼400 °C can be attributed to the degradation of PVC as mentioned earlier, 23 and the rapid reduction in mass percentage at 460 °C can be attributed to the combined degradation effect of the polymers PVC and PBT. 26 The final reduction stage at 590−670 °C could be due to the residual polymeric degradation effect as well as the behavior of the aluminum above its melting point of 660 °C.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

Facile Solution for Recycling Hazardous Flexible Plastic-Laminated Metal Packaging Waste To Produce Value-Added Metal Alloys

Hossain

Mahmood

Sahajwalla

2021

ACS Sustainable Chem. Eng.

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Flexible laminated metals (LMs) made of multilayer polymers and metals are favorable for packaging materials due to their flexibility, low cost, durability, and resistance to corrosion and breaking. However, the complexities of recycling these multimaterials means they are usually deposited in a landfill and hazardous for the environment. This research explores thermal disengagement technology (TDT)an innovative and effective technique for recycling hazardous multilayer materials irrespective of their type and qualities. This process successfully extracted high-quality metals from the accrued metals and polymers. The surface oxidation of the recycled metals was low, and the loss of metal quantity was insignificant. A small amount of CO2 and a significant amount of fuel gases (H2 and CH4) were released during the process. This study also investigated the synthesis of biofuel during the thermal degradation of the laminated polymers. The emitted gas was analyzed with a gas chromatograph-mass spectrometer (GC-MC) and found to consist mainly of aromatic compounds. This research shows that TDT could be used to effectively and economically recycle any kind of market-available flexible metal–polymer multilayer material. This will improve its environmental sustainability by reducing landfill waste as well as the economic benefits of recovering valuable metals and fuel gases.

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Section: ■ Results and Discussionmentioning

confidence: 99%

Facile Solution for Recycling Hazardous Flexible Plastic-Laminated Metal Packaging Waste To Produce Value-Added Metal Alloys

Hossain

Mahmood

Sahajwalla

2021

ACS Sustainable Chem. Eng.

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“…Subsequently, they were heated again to 250 °C at 10 °C min −1 . The crystallinity ( χ c ) for the PBT component was calculated by where Δ H m denotes the melting enthalpy measured by DSC during the heating, Δ H 0 m denotes the melting enthalpy of perfect PBT crystals (142 J g −1 ), 33 and W PBT denotes the weight fraction of PBT in the samples.…”

Section: Methodsmentioning

confidence: 99%

“…where DH m denotes the melting enthalpy measured by DSC during the heating, DH 0 m denotes the melting enthalpy of perfect PBT crystals (142 J g À1 ), 33 and W PBT denotes the weight fraction of PBT in the samples.…”

Section: Characterizationmentioning

confidence: 99%

Practical PBT/PC/GNP composites with anisotropic thermal conductivity

Zheng

Wen

2019

RSC Adv.

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“…Gashti et al (2013) studied the electromagnetic behaviors of PBT/silica nanocomposites. In addition, the surface roughness of PBT/ nanosilica nanocomposites was higher than that of PBT.…”

Section: Advantages Limitationmentioning

confidence: 99%

Process–structure–property relationships in poly(butylene terephthalate) nanocomposites

Chow

2015

Manufacturing of Nanocomposites With Engineering Plastics

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Morphological, optical and electromagnetic characterization of polybutylene terephthalate/silica nanocomposites

Cited by 22 publications

References 51 publications

Facile Solution for Recycling Hazardous Flexible Plastic-Laminated Metal Packaging Waste To Produce Value-Added Metal Alloys

Facile Solution for Recycling Hazardous Flexible Plastic-Laminated Metal Packaging Waste To Produce Value-Added Metal Alloys

Practical PBT/PC/GNP composites with anisotropic thermal conductivity

Process–structure–property relationships in poly(butylene terephthalate) nanocomposites

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