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Effect of multiwalled carbon nanotube (MWNT) on the behavior of swelling of polyacrylamide-MWNT composites

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Effect of multiwalled carbon nanotube (MWNT) on the behavior of swelling of polyacrylamide–MWNT composites.pdf (353.6Kb)
Date
2014
Author
Evingür, Gülşen Akin
Pekcan, Önder
Abstract
The purpose of this paper is to discuss the role of multiwalled carbon nanotube in the swelling of polyacrylamide-multiwalled carbon nanotube composites. Swelling experiments were performed in water at various temperatures by real-time monitoring of the decrease in pyranine (Py) and emission light intensity (I-em). The Stern-Volmer equation is modified for low-quenching efficiencies to interpret the behavior of pyranine intensity during the swelling of polyacrylamide-multiwalled carbon nanotube composites. The Li-Tanaka equation was used to determine the swelling time constants tau and cooperative diffusion coefficients D from fluorescence intensity weight and volume variations of the composite at various temperatures. It was observed that when tau decreased naturally D increased by increasing temperatures.

Source

Journal of Reinforced Plastics and Composites

Issue

13

Volume

33

Pages

1199-1206

URI

https://hdl.handle.net/20.500.12469/708
https://doi.org/10.1177/0731684414526438

Collections

  • Araştırma Çıktıları / Scopus [1319]
  • Araştırma Çıktıları / WOS [1335]
  • Biyoinformatik ve Genetik / Bioinformatics and Genetics [212]

Keywords

Polyacrylamide
Multiwalled carbon nanotube
Swelling
Fluorescence
Diffusion coefficient

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