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Combustion behavior and thermal stability of ethylene-vinyl acetate composites based on CaCO3-containing oil sludge and carbon black

  • Shaojie Zhou
  • Shanshan Li
  • Xuesong Cao
  • Yi Qian
  • Long Li
  • Xilei Chen
Article
  • 55 Downloads

Abstract

CaCO3-containing oil sludge (OS) is a by-product from petroleum industry, with great amount of production. Therefore, an effective processing methods for CaCO3-containing OS is urgently needed. Herein, ethylene-vinyl acetate (EVA) composites based on CaCO3-containing OS and carbon black (CB) were prepared by melt blending method. The combustion behavior and thermal stability of flame-retardant EVA/OS/CB composites were investigated by cone calorimeter test, limiting oxygen index (LOI), scanning electron microscopy (SEM), smoke density test (SDT), and thermogravimetry-Fourier infrared spectrometry. The heat release rate and smoke production rate of the ternary composites containing 3% CB significantly decreased compared with the EVA/OS composites and pure EVA. Moreover, addition of a certain amount of CB could evidently increase LOI values. The morphologies and structures of the residues, revealed by SEM, ascertained that a better carbonaceous protective layer was formed on the ternary composites than the EVA/OS composite. It was obtained from SDT that CB in the material could retard the smoke production with the application of the pilot flame. The EVA/OS/CB composites assumed a higher thermal stability than the EVA/OS composites and pure EVA.

Keywords

Carbon black Oil sludge Thermal stability Combustion behavior Ethylene-vinyl acetate 

Notes

Acknowledgements

We are grateful for the financial support from the National Natural Science Foundation of China (Nos. 51372129 and 51572138) and the Project of People’s Livelihood Science and Technology of Qingdao City (No. 16-6-2-54-nsh).

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2018

Authors and Affiliations

  1. 1.College of Environment and Safety EngineeringQingdao University of Science and TechnologyQingdaoPeople’s Republic of China

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