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Synthesis and characterization of CNTs using polypropylene waste as precursor

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Title Synthesis and characterization of CNTs using polypropylene waste as precursor
 
Creator BAJAD, GS
TIWARI, SK
VIJAYAKUMAR, RP
 
Subject WALLED CARBON NANOTUBES
CHEMICAL-VAPOR-DEPOSITION
CATALYTIC CARBONIZATION
STRIKING INFLUENCE
MASS-PRODUCTION
CCVD SYNTHESIS
DECOMPOSITION
POLYETHYLENE
PYROLYSIS
GROWTH
Polypropylene
Combustion
Carbon nanotubes
Ni/Mo/MgO
Response surface methodology
Parameters optimization
 
Description We study the synthesis of MWCNTs using polypropylene waste as a precursor and Ni/Mo/MgO as a catalyst by the combustion technique. Molar ratios of Ni, Mo and MgO in the Ni/Mo/Mg0 catalyst were optimized using response surface methodology (RSM) to obtain the maximum yield of CNTs. The mole ratio 4/0.2/1 was found to yield more carbon product. Further, process parameters such as combustion temperature, combustion time, polymer and catalyst weight were optimized by RSM using Box-Behnken three-level and four-factorial design. The best possible combination of process parameters (combustion time of 10 min, combustion temperature of 800 degrees C, polymer weight of 5 g and catalyst weight of 150 mg) for maximum yield of CNTs was obtained. HRTEM indicates that the diameter of CNTs depends on the catalyst composition used for the synthesis of CNTs. The results of the study indicate a facile method for producing CNTs from polypropylene waste. (C) 2015 Elsevier B.V. All rights reserved.
 
Publisher ELSEVIER SCIENCE BV
 
Date 2016-01-15T04:43:54Z
2016-01-15T04:43:54Z
2015
 
Type Article
 
Identifier MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS, 194,68-77
0921-5107
1873-4944
http://dx.doi.org/10.1016/j.mseb.2015.01.004
http://dspace.library.iitb.ac.in/jspui/handle/100/17788
 
Language en