Issue 22, 2017

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

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

Article information

Article type
Paper
Submitted
14 Jul 2017
Accepted
26 Sep 2017
First published
27 Sep 2017

New J. Chem., 2017,41, 13287-13292

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

K. Wenelska and E. Mijowska, New J. Chem., 2017, 41, 13287 DOI: 10.1039/C7NJ02566A

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