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http://dx.doi.org/10.12925/jkocs.2006.23.4.3

Modified Effects or Surfactants with Polymer-Clay Nanocomposites  

Kim, Hong-Un (Tire Reinforcement Team, Production R&D Center, Hyosung Corporation)
Bang, Yun-Hyuk (Tire Reinforcement Team, Production R&D Center, Hyosung Corporation)
Choi, Soo-Myung (Tire Reinforcement Team, Production R&D Center, Hyosung Corporation)
Lim, Kyung-Hee (School of Chemical Engineering & Material Science, Chung-Ang University)
Publication Information
Journal of the Korean Applied Science and Technology / v.23, no.4, 2006 , pp. 290-299 More about this Journal
Abstract
This article investigated to polymer-clay nanocomposite, especially in interfacial respect clay structure, its dispersion into polymer matrix, and clay modification is studied. The cationic exchange of surfactants with clay gallery results in preparing organo-clay capable of compatiblizing to monomer or polymer and increasing interlayer adhesion energy due to expansion of interlayer spacing. The orientation of surfactant in clay gallery is affected by chemical structure and charge density of clay, and interlayer spacing and volume is increased with alkyl chain length of surfactant, or charge density of clay. Also, the interaction between clay and polymer in preparing polymer-clay nanocomposite is explained thermodynamically. In the future, the study and development of polymer-clay nanocomposite is paid attention to the interfacial adhesion, clay dispersion within polymer, mechanism of clay intercalation or exfoliation.
Keywords
Polymer-clay nanocomposite; organo-clay; interlayer spacing; intercalation; exfoliation;
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