Preparation and properties of nylon 6/graphite nanocomposite
Pan, YX; Yu, ZZ; Ou, YC; Feng, YP
AbstractElectrically conducting nylon 6/graphite nanocomposites were elaborated via intercalation polymerization. Room temperature electrical conductivity measurement;reveals a threshold of phi* = 0.75 vol% which is much lower than that of conventional conducting polymer composites. The electrical conductivity of the nanocomposite reaches 10(-4) S/cm at 2.0 vol% graphite content. The TEM microphotographs verified that the low percolation threshold and improvement of conductivity could be attributed to the large diameter to thickness ratio,the high expansion ratio in c axis of the graphite sheets and the homogeneously dispersion of graphite particles with nanoscale thickness in the nylon 6 matrix. Because of the high expansion ratio (generally 200 similar to 300) of expanded graphite in c axis there are many pores of different sizes ranging from 10nm to 10 mum in the internal space of graphite. Thus suitable monomer molecules and/or catalysts can be easily intercalated into the gallery spaces of graphite through physical adsorption. This is the main reason that in-situ polymerization can be initiated in the galleries of expanded graphite.
KeywordExpanded Graphite Nylon 6 Nanocomposites Intercalation Polymerization Electrical Conductivity
Indexed BySCI
WOS IDWOS:000167049600009
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorPan, YX
AffiliationChinese Acad Sci, Inst Chem, State Key Lab Engn Phys, Beijing 100080, Peoples R China
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GB/T 7714
Pan, YX,Yu, ZZ,Ou, YC,et al. Preparation and properties of nylon 6/graphite nanocomposite[J]. ACTA POLYMERICA SINICA,2001(1):42-47.
APA Pan, YX,Yu, ZZ,Ou, YC,&Feng, YP.(2001).Preparation and properties of nylon 6/graphite nanocomposite.ACTA POLYMERICA SINICA(1),42-47.
MLA Pan, YX,et al."Preparation and properties of nylon 6/graphite nanocomposite".ACTA POLYMERICA SINICA .1(2001):42-47.
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