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Title: Preparation and characterization of protein-free natural rubber
Authors: Oraphin Chaikumpollert
Yoshimasa Yamamoto
Krisda Suchiva
Phan Trung Nghia
Seiichi Kawahara
Nagaoka University of Technology
Mahidol University
Thailand National Metal and Materials Technology Center
Hanoi University of Science and Technology
Keywords: Materials Science
Issue Date: 1-Apr-2012
Citation: Polymers for Advanced Technologies. Vol.23, No.4 (2012), 825-828
Abstract: Protein-free natural rubber was prepared by incubation of natural rubber latex with urea and polar organic solvent in the presence of surfactant. Effect of the polar organic solvent on the removal of the proteins was investigated with respect to chemical affinity and concentration of the solvents. Under a suitable condition, nitrogen content of the deproteinized natural rubber (DPNR) was 0.000wt%, which was less than that of natural rubber deproteinized with proteolytic enzyme or urea in the presence of surfactant. The removal of all proteins from natural rubber was proved through FT-IR spectroscopy. Changes in morphology of the DPNR were also investigated by transmission electron microscopy. © 2011 John Wiley & Sons, Ltd.
ISSN: 10991581
Appears in Collections:Scopus 2011-2015

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