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Title: Polymer composites prepared by low-temperature post-irradiation polymerization of C 2 F 4 in the presence of graphene-like material: synthesis and characterization

Abstract

Polymer polytetrafluoroethylene (PTFE) microwave exfoliated graphene oxide (MEGO) composites containing up to 80 wt% PTFE were prepared by low-temperature post-irradiation polymerization of C2F4 in the presence of the graphene-like material. Composites were characterized by FTIR, NMR, XPS, SEM, TGA, XRD, broadband dielectric spectroscopy and DSC techniques. The melting point of PTFE in the composite (332.5 °C) was higher than that of pure PTFE by 8.8 C. The measured values of the melting enthalpy (ΔH m 51.5 and 45.4 J g1) were used to calculate the extent of crystallinity in the PTFE and PTFE MEGO composite (0.63 and 0.55, respectively). No CF3 end groups typical of commercial PTFE have been detected in the PTFE MEGO composites.

Authors:
 [1];  [2];  [3];  [4];  [4]
  1. Russian Academy of Sciences (RAS), Moscow (Russian Federation) Inst. of Problems of Chemical Physics; National Univ. of Science and Technology MISIS, Moscow (Russian Federation)
  2. Russian Academy of Sciences (RAS), Moscow (Russian Federation) Inst. of Energy Problems of Chemical Physics
  3. Russian Academy of Sciences (RAS), Moscow (Russian Federation) Inst. of Problems of Chemical Physics
  4. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Chemistry; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Chemical Sciences Division
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1265454
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Journal Article
Journal Name:
RSC Advances
Additional Journal Information:
Journal Volume: 5; Journal Issue: 13; Journal ID: ISSN 2046-2069
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Shulga, Yury M., Vasilets, Victor N., Kiryukhin, Dmitry P., Voylov, Dmitry N., and Sokolov, Alexei P. Polymer composites prepared by low-temperature post-irradiation polymerization of C2 F4 in the presence of graphene-like material: synthesis and characterization. United States: N. p., 2015. Web. doi:10.1039/C4RA09074H.
Shulga, Yury M., Vasilets, Victor N., Kiryukhin, Dmitry P., Voylov, Dmitry N., & Sokolov, Alexei P. Polymer composites prepared by low-temperature post-irradiation polymerization of C2 F4 in the presence of graphene-like material: synthesis and characterization. United States. doi:10.1039/C4RA09074H.
Shulga, Yury M., Vasilets, Victor N., Kiryukhin, Dmitry P., Voylov, Dmitry N., and Sokolov, Alexei P. Tue . "Polymer composites prepared by low-temperature post-irradiation polymerization of C2 F4 in the presence of graphene-like material: synthesis and characterization". United States. doi:10.1039/C4RA09074H.
@article{osti_1265454,
title = {Polymer composites prepared by low-temperature post-irradiation polymerization of C2 F4 in the presence of graphene-like material: synthesis and characterization},
author = {Shulga, Yury M. and Vasilets, Victor N. and Kiryukhin, Dmitry P. and Voylov, Dmitry N. and Sokolov, Alexei P.},
abstractNote = {Polymer polytetrafluoroethylene (PTFE) microwave exfoliated graphene oxide (MEGO) composites containing up to 80 wt% PTFE were prepared by low-temperature post-irradiation polymerization of C2F4 in the presence of the graphene-like material. Composites were characterized by FTIR, NMR, XPS, SEM, TGA, XRD, broadband dielectric spectroscopy and DSC techniques. The melting point of PTFE in the composite (332.5 °C) was higher than that of pure PTFE by 8.8 C. The measured values of the melting enthalpy (ΔHm 51.5 and 45.4 J g1) were used to calculate the extent of crystallinity in the PTFE and PTFE MEGO composite (0.63 and 0.55, respectively). No CF3 end groups typical of commercial PTFE have been detected in the PTFE MEGO composites.},
doi = {10.1039/C4RA09074H},
journal = {RSC Advances},
issn = {2046-2069},
number = 13,
volume = 5,
place = {United States},
year = {2015},
month = {1}
}

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