Microstructure and rheological behavior of block copolymer/clay nanocomposites

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Organic/Inorganic hybrid nanocomposites based on poly(styrene-butadiene-styrene) copolymer (SBS) and clay are fabricated by melt intercalation. The degree of intercalation is dependent on the surface properties of clay and SBS. The epoxized block in epoxized SBS acts as a strong attractive site with the clay surface, which yields the increased interlayer space in the layered silicates. It is also shown that the thermal stability of clay as well as the surface properties is very important in fabricating the polymer/clay nanocomposites. The rheological behavior of the SBS/clay nanocomposites is quite different from that of SBS itself. Both storage moduli and complex viscosity of the SBSI layered silicate nanocomposites increase and show non-terminal flow behavior.
Publisher
KOREAN INST CHEM ENGINEERS
Issue Date
2001-01
Language
English
Article Type
Article
Keywords

SILICATE NANOCOMPOSITES; VISCOELASTIC PROPERTIES; COMPOSITES; POLYMERS

Citation

KOREAN JOURNAL OF CHEMICAL ENGINEERING, v.18, no.1, pp.21 - 25

ISSN
0256-1115
URI
http://hdl.handle.net/10203/5141
Appears in Collection
CBE-Journal Papers(저널논문)
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