Publication: Preparation and characterization of protein-free natural rubber
Issued Date
2012-04-01
Resource Type
ISSN
10991581
10427147
10427147
DOI
Other identifier(s)
2-s2.0-84858299195
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Mahidol University
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SCOPUS
Bibliographic Citation
Polymers for Advanced Technologies. Vol.23, No.4 (2012), 825-828
Suggested Citation
Oraphin Chaikumpollert, Yoshimasa Yamamoto, Krisda Suchiva, Phan Trung Nghia, Seiichi Kawahara Preparation and characterization of protein-free natural rubber. Polymers for Advanced Technologies. Vol.23, No.4 (2012), 825-828. doi:10.1002/pat.1965 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/14379
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Title
Preparation and characterization of protein-free natural rubber
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.