A new process of fabricating electrically conducting nylon 6/graphite nanocomposites via intercalation polymerization
Identifieur interne : 000136 ( Istex/Corpus ); précédent : 000135; suivant : 000137A new process of fabricating electrically conducting nylon 6/graphite nanocomposites via intercalation polymerization
Auteurs : Yu-Xun Pan ; Zhong-Zhen Yu ; Yu-Chun Ou ; Guo-Hua HuSource :
- Journal of Polymer Science Part B: Polymer Physics [ 0887-6266 ] ; 2000-06-15.
English descriptors
- KwdEn :
- Appl polym, Aspect ratio, Black lines, Caprolactam, Caprolactam monomer, Carbon mater, Chinese academy, Cooling rate, Crystallization temperature, Electrical conductivity, Electrical insulator, Electrical semiconductor, Exfoliated graphite sheets, Exural, Exural modulus, Exural strength, Formic acid, Graphite, Graphite content, Graphite sheets, Graphite volume content, Intercalation, Intercalation polymerization, Llers, Matrix, Monomer, Nanocomposites, Nylon, Nylon nanocomposites, Percolation, Percolation threshold, Polym, Polymer, Polymer composites, Polymer matrix, Pure nylon, Room temperature, Schematic illustration, Transition threshold, Volume fraction.
- Teeft :
- Appl polym, Aspect ratio, Black lines, Caprolactam, Caprolactam monomer, Carbon mater, Chinese academy, Cooling rate, Crystallization temperature, Electrical conductivity, Electrical insulator, Electrical semiconductor, Exfoliated graphite sheets, Exural, Exural modulus, Exural strength, Formic acid, Graphite, Graphite content, Graphite sheets, Graphite volume content, Intercalation, Intercalation polymerization, Llers, Matrix, Monomer, Nanocomposites, Nylon, Nylon nanocomposites, Percolation, Percolation threshold, Polym, Polymer, Polymer composites, Polymer matrix, Pure nylon, Room temperature, Schematic illustration, Transition threshold, Volume fraction.
Abstract
A new process was developed to fabricate electrically conducting nylon 6/graphite nanocomposites via intercalation polymerization of ϵ‐caprolactam in the presence of expanded graphite. The transition from an electrical insulator to an electrical semiconductor for nylon 6 occurred when the graphite volume content was 0.75, which was much lower than that of conventional conducting polymer composites. The electrical conductivity reached 10−4 S/cm when the graphite content was 2.0 vol %. The TEM microphotographs suggested that the low percolation threshold and the great improvement of electrical conductivity could be attributed to the high aspect ratio (width‐to‐thickness), the high expansion ratio in c axis of the graphite sheets and the homogeneous dispersion of the nanoscale graphite particles in the nylon 6 matrix. © 2000 John Wiley & Sons, Inc. J Polym Sci B: Polym Phys 38: 1626–1633, 2000
Url:
DOI: 10.1002/(SICI)1099-0488(20000615)38:12<1626::AID-POLB80>3.0.CO;2-R
Links to Exploration step
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<front><div type="abstract" xml:lang="en">A new process was developed to fabricate electrically conducting nylon 6/graphite nanocomposites via intercalation polymerization of ϵ‐caprolactam in the presence of expanded graphite. The transition from an electrical insulator to an electrical semiconductor for nylon 6 occurred when the graphite volume content was 0.75, which was much lower than that of conventional conducting polymer composites. The electrical conductivity reached 10−4 S/cm when the graphite content was 2.0 vol %. The TEM microphotographs suggested that the low percolation threshold and the great improvement of electrical conductivity could be attributed to the high aspect ratio (width‐to‐thickness), the high expansion ratio in c axis of the graphite sheets and the homogeneous dispersion of the nanoscale graphite particles in the nylon 6 matrix. © 2000 John Wiley & Sons, Inc. J Polym Sci B: Polym Phys 38: 1626–1633, 2000</div>
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<profileDesc><abstract xml:lang="en" style="main"><head>Abstract</head>
<p>A new process was developed to fabricate electrically conducting nylon 6/graphite nanocomposites via intercalation polymerization of ϵ‐caprolactam in the presence of expanded graphite. The transition from an electrical insulator to an electrical semiconductor for nylon 6 occurred when the graphite volume content was 0.75, which was much lower than that of conventional conducting polymer composites. The electrical conductivity reached 10<hi rend="superscript">−4</hi>
S/cm when the graphite content was 2.0 vol %. The TEM microphotographs suggested that the low percolation threshold and the great improvement of electrical conductivity could be attributed to the high aspect ratio (width‐to‐thickness), the high expansion ratio in <hi rend="italic">c</hi>
axis of the graphite sheets and the homogeneous dispersion of the nanoscale graphite particles in the nylon 6 matrix. © 2000 John Wiley & Sons, Inc. J Polym Sci B: Polym Phys 38: 1626–1633, 2000</p>
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<p>A new process was developed to fabricate electrically conducting nylon 6/graphite nanocomposites via intercalation polymerization of ϵ‐caprolactam in the presence of expanded graphite. The transition from an electrical insulator to an electrical semiconductor for nylon 6 occurred when the graphite volume content was 0.75, which was much lower than that of conventional conducting polymer composites. The electrical conductivity reached 10<sup>−4</sup>
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<abstract lang="en">A new process was developed to fabricate electrically conducting nylon 6/graphite nanocomposites via intercalation polymerization of ϵ‐caprolactam in the presence of expanded graphite. The transition from an electrical insulator to an electrical semiconductor for nylon 6 occurred when the graphite volume content was 0.75, which was much lower than that of conventional conducting polymer composites. The electrical conductivity reached 10−4 S/cm when the graphite content was 2.0 vol %. The TEM microphotographs suggested that the low percolation threshold and the great improvement of electrical conductivity could be attributed to the high aspect ratio (width‐to‐thickness), the high expansion ratio in c axis of the graphite sheets and the homogeneous dispersion of the nanoscale graphite particles in the nylon 6 matrix. © 2000 John Wiley & Sons, Inc. J Polym Sci B: Polym Phys 38: 1626–1633, 2000</abstract>
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