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Tai Nguyen So - Vietnam National University, Ha Noi - VNU >
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http://tainguyenso.vnu.edu.vn/jspui/handle/123456789/13593
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| Title: | Hydrogenation of natural rubber having epoxy group |
| Authors: | Nghia P.T.
Onoe H.
Yamamoto Y.
Kawahara S. |
| Keywords: | Deproteinization
Epoxy group
Hydrogenation
Natural rubber
NMR measurement |
| Issue Date: | 2008 |
| Publisher: | Colloid and Polymer Science |
| Citation: | Volume 286, Issue 9-Aug, Page 993-998 |
| Abstract: | Hydrogenation of epoxidized natural rubber (ENR) was performed to introduce hydroxyl group to hydrogenated natural rubber. The ENR was prepared by epoxidation of deproteinized natural rubber (DPNR) with peracetic acid in latex stage. Hydrogenation of epoxidized DPNR (EDPNR) was performed with p-toluenesulfonylhydrazide in p-xylene. The resulting product, hydrogenated EDPNR (HEDPNR), was characterized by nuclear magnetic resonance spectroscopy with various pulse sequences, i.e., two-dimensional correlation spectroscopy, two-dimensional heteronuclear correlation measurements. Carbons linking up to hydroxyl group were assigned to be quaternary and tertiary groups. The HEDPNR was proved to be a polyolefine elastomer through differential scanning calorimetry. © Springer-Verlag 2008. |
| URI: | http://tainguyenso.vnu.edu.vn/jspui/handle/123456789/13593 |
| ISSN: | 0303402X |
| Appears in Collections: | New - Articles of Universities of Vietnam from Scopus
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