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Preparation and Characterization of Rubber/Clay Nanocomposite Using Skim Natural Rubber Latex  

Alex, R. (Rubber Research Institute of India)
Kim, M.J. (BK-21 BIN Fusion Research Team, Chonbuk National University)
Lee, Y.S. (Department of Chemical Engineering, Chnobuk National University)
Nah, C. (BK-21 BIN Fusion Research Team, Chonbuk National University)
Publication Information
Elastomers and Composites / v.41, no.4, 2006 , pp. 252-259 More about this Journal
Abstract
A new route for making rubber/clay nanocomposites was suggested based on skim natural rubber latex (SNRL), which is a protein rich by-product obtained during the centrifugal concentration of natural rubber (NR) latex. NR/acrylonitrile butadiene rubber (NBR) based nanocomposites were prepared from SNRL and NBR latex of 26 % acrylonitrile content by blending of aqueous dispersion of organoclay (OC) followed by coagulation, drying, mill mixing and vulcanization. X-ray diffraction(XRD) studies revealed that NR/NBR blend nanocomposites exhibited a highly intercalated and exfoliated structure, especially for NBR-rich blends. Dynamic mechanical studies showed that more compatible behavior was observed for NBR-rich blends. The 25/75 NR/NBR blend nanocomposite showed the best mechanical properties.
Keywords
skim natural rubber; latex; NR; NBR; nanocomposites; clay;
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