Preparation and Properties of Chloroprene Rubber (CR)/Clay Nanocomposites

Chloroprene rubber (CR)/organic modifier/sodium montmorillonite (NA-MMT) nanocomposites were prepared by melt intercalation. The morphology of the nanocomposites was studied using X-ray diffraction (XRD) and transmission electron microscopy (TEM). TEM results showed that the silicate layers of the c...

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Bibliographic Details
Published in:Polymers & polymer composites 2010, Vol.18 (1), p.17-21
Main Authors: CHENG, Yao-Yi, YEN, Ynh-Yue, KAO, Peng-Hsiang, LU, Norman, WANG, Hsin-Ta
Format: Article
Language:English
Subjects:
Applied sciences
Clay
Clay (material)
Composites
Composition
Exact sciences and technology
Fillers
Forms of application and semi-finished materials
Materials
Mechanical properties
Molding (process)
Moulding
Nanocomposites
Nanotechnology
Polymer industry, paints, wood
Polymeric composites
Production processes
Properties
Rubber
Sodium
Technology application
Technology of polymers
Thermal properties
Transmission electron microscopy
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Summary:Chloroprene rubber (CR)/organic modifier/sodium montmorillonite (NA-MMT) nanocomposites were prepared by melt intercalation. The morphology of the nanocomposites was studied using X-ray diffraction (XRD) and transmission electron microscopy (TEM). TEM results showed that the silicate layers of the clay were dispersed in the CR matrix on the nano-scale by adding the organic modifier. X-ray diffraction also indicated that the silicate layers of clay were exfoliated. The mechanical and thermal properties of the nanocomposites could be therefore improved by adding clay and organic modifier, as the silicate layer of the clay was uniformly dispersed. Dynamic mechanical analysis was further performed to investigate the thermomechanical properties of CR–clay nanocomposites containing various amounts of clay. The glass-transition temperature of CR– clay nanocomposites increased with increasing amount of clay and organic modifier.
ISSN:0967-3911
1478-2391
DOI:10.1177/096739111001800102