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Preparation, thermal conductivity, and thermal stability of flame retardant polyethylene with exfoliated MoS2/MxOy

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Abstract

In this work, exfoliated molybdenum disulfide (MoS2) modified by a metal oxide (MoS2/MxOy) was prepared by a hydrothermal method and characterized by atomic force microscopy (AFM), Raman spectroscopy and transmission electron microscopy (TEM). The samples were used in polymer composite (polyethylene) preparation by using an extruder blending method. Nanocomposites of polyethylene (PE) with MoS2/MxOy were obtained. The morphology, thermal properties, fire resistant properties and thermal conductivity of the PE nanocomposites were studied. We observed an excellent flame retardance for all PE composites. The peak of heat release rate (pHRR) was reduced by 40% for PE_MoS2 with respect to pristine PE. The lowest CO emission was observed for the PE/MoS2 composite containing 2% Fe3O4. All composites with exfoliated MoS2 exhibit greater potential for preparation of smart and functional nanomaterials with good thermal and fire resistant properties.

Graphical abstract: Preparation, thermal conductivity, and thermal stability of flame retardant polyethylene with exfoliated MoS2/MxOy

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Publication details

The article was received on 14 Jul 2017, accepted on 26 Sep 2017 and first published on 27 Sep 2017


Article type: Paper
DOI: 10.1039/C7NJ02566A
Citation: New J. Chem., 2017, Advance Article
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    Preparation, thermal conductivity, and thermal stability of flame retardant polyethylene with exfoliated MoS2/MxOy

    K. Wenelska and E. Mijowska, New J. Chem., 2017, Advance Article , DOI: 10.1039/C7NJ02566A

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