Thermal analysis of natural rubber Hevea brasiliensis latex
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TextPublication details: Journal of Rubber Research 2000Description: 25-33Subject(s): Summary: Thermal analysis of the natural rubber Hevea brasiliensis latex (NRL) with different moisture content was characterised using differential scanning calorimeter. The analysis was done between -100 oC to 150 oC. The thermal characteristics investigated are the glass transition temperature Tg, the boiling point of free-water Tf and bound-water Tb. Results showed that Tg for both dried concentrated rubber latex and dried NRL are similar, i.e. -56.84 oC, and -56.57 oC, respectively while Tg for diluted NRL was noted detected. The existence of moisture shifted the Tf in diluted NRL towards a higher temperature which was similar to the thermogram of de-ionised water.
| Item type | Current library | Vol info | Status | |
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Journals
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RRII Library Rubber chemistry | Volume 3, Issue 1 | Journals |
Thermal analysis of the natural rubber Hevea brasiliensis latex (NRL) with different moisture content was characterised using differential scanning calorimeter. The analysis was done between -100 oC to 150 oC. The thermal characteristics investigated are the glass transition temperature Tg, the boiling point of free-water Tf and bound-water Tb. Results showed that Tg for both dried concentrated rubber latex and dried NRL are similar, i.e. -56.84 oC, and -56.57 oC, respectively while Tg for diluted NRL was noted detected. The existence of moisture shifted the Tf in diluted NRL towards a higher temperature which was similar to the thermogram of de-ionised water.
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