Preparation and characterization of nylon 11/organoclay nanocomposites

Nylon 11/organoclay nanocomposites have been successfully prepared by melt-compounding. X-ray diffraction and transmission electron microscopy indicate the formation of the exfoliated nanocomposites at low clay concentrations (less than 4 wt%) and a mixture of exfoliated and intercalated nanocomposi...

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Bibliographic Details
Published in:Polymer (Guilford) 2003-06, Vol.44 (12), p.3529-3535
Main Authors: Liu, Tianxi, Ping Lim, Kian, Chauhari Tjiu, Wuiwui, Pramoda, K.P., Chen, Zhi-Kuan
Format: Article
Language:English
Subjects:
Applied sciences
Clay
Composites
Exact sciences and technology
Forms of application and semi-finished materials
Nanocomposites
Nylon 11
Polymer industry, paints, wood
Technology of polymers
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Summary:Nylon 11/organoclay nanocomposites have been successfully prepared by melt-compounding. X-ray diffraction and transmission electron microscopy indicate the formation of the exfoliated nanocomposites at low clay concentrations (less than 4 wt%) and a mixture of exfoliated and intercalated nanocomposites at higher clay contents. Thermogravimetric and dynamic mechanical analyses as well as tensile tests show that the degree of dispersion of nanoclay within polymer matrix plays a vital role in property improvement. The thermal stability and mechanical properties of the exfoliated nylon 11/clay nanocomposites (containing lower clay concentrations) are superior to those of the intercalated ones (with higher clay contents), due to the finer dispersion of organoclay among the matrix.
ISSN:0032-3861
1873-2291
DOI:10.1016/S0032-3861(03)00252-0