Effect Of Rice Husk Powder On Properties Of Natural Rubber Latex Foam

Rice husk powder (RHP), an agricultural by-product incorporated into natural rubber latex (NRL) compound and foamed to produce natural rubber latex foam (NRLF) via the Dunlop method in this work. The tensile, mechanical, thermal resistance, micro structural characterization and degradation studies o...

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Main Author: Ramasamy, Shamala
Format: Thesis
Language:English
Published: 2014
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Online Access:http://eprints.usm.my/40895/1/Shamala_Ramasamy_24_Pages.pdf
http://eprints.usm.my/40895/
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spelling my.usm.eprints.40895 http://eprints.usm.my/40895/ Effect Of Rice Husk Powder On Properties Of Natural Rubber Latex Foam Ramasamy, Shamala TN Mining Engineering. Metallurgy Rice husk powder (RHP), an agricultural by-product incorporated into natural rubber latex (NRL) compound and foamed to produce natural rubber latex foam (NRLF) via the Dunlop method in this work. The tensile, mechanical, thermal resistance, micro structural characterization and degradation studies of RHP filled NRLF were investigated and compared with the controlled NRLF (zero RHP loading). In the first series, the effect of RHP loading from 0 to 10 phr on the properties of NRLFs was studied. In the second series, the influence of RHP size reduction was studied. The effect of partial or complete replacement of RHP with sago starch was investigated in the third series. The RHP/Sago Starch ratio was fixed to 10 phr. In the fourth series, modified RHP was used. The effects of soil burial test and exposure to natural weathering on all these samples were explored for three months in accordance to ASTM D 5247 and ISO 877.2, respectively. Result showed tensile strength, modulus at break, hardness and thermal stability increases with increasing filler loading while elongation at break and recovery percentage decreased. In second series, reduction of RHP filler size showed an improvement in the properties examined due to the enhanced RHP-matrix interaction in the NRLFS. In third series, the substitution of sago starch showed poor mechanical properties and greater thermal stability of the NRLFs. Modification of RHP reduces the lignin and silca content, thus resulting in reduced properties of NRLFs. However, these modification accelerated the degradation of RHP filled NRLFS. Deterioration in the properties of NRLFs was observed through soil burial and natural weathering test. 2014 Thesis NonPeerReviewed application/pdf en http://eprints.usm.my/40895/1/Shamala_Ramasamy_24_Pages.pdf Ramasamy, Shamala (2014) Effect Of Rice Husk Powder On Properties Of Natural Rubber Latex Foam. Masters thesis, Universiti Sains Malaysia.
institution Universiti Sains Malaysia
building Hamzah Sendut Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Sains Malaysia
content_source USM Institutional Repository
url_provider http://eprints.usm.my/
language English
topic TN Mining Engineering. Metallurgy
spellingShingle TN Mining Engineering. Metallurgy
Ramasamy, Shamala
Effect Of Rice Husk Powder On Properties Of Natural Rubber Latex Foam
description Rice husk powder (RHP), an agricultural by-product incorporated into natural rubber latex (NRL) compound and foamed to produce natural rubber latex foam (NRLF) via the Dunlop method in this work. The tensile, mechanical, thermal resistance, micro structural characterization and degradation studies of RHP filled NRLF were investigated and compared with the controlled NRLF (zero RHP loading). In the first series, the effect of RHP loading from 0 to 10 phr on the properties of NRLFs was studied. In the second series, the influence of RHP size reduction was studied. The effect of partial or complete replacement of RHP with sago starch was investigated in the third series. The RHP/Sago Starch ratio was fixed to 10 phr. In the fourth series, modified RHP was used. The effects of soil burial test and exposure to natural weathering on all these samples were explored for three months in accordance to ASTM D 5247 and ISO 877.2, respectively. Result showed tensile strength, modulus at break, hardness and thermal stability increases with increasing filler loading while elongation at break and recovery percentage decreased. In second series, reduction of RHP filler size showed an improvement in the properties examined due to the enhanced RHP-matrix interaction in the NRLFS. In third series, the substitution of sago starch showed poor mechanical properties and greater thermal stability of the NRLFs. Modification of RHP reduces the lignin and silca content, thus resulting in reduced properties of NRLFs. However, these modification accelerated the degradation of RHP filled NRLFS. Deterioration in the properties of NRLFs was observed through soil burial and natural weathering test.
format Thesis
author Ramasamy, Shamala
author_facet Ramasamy, Shamala
author_sort Ramasamy, Shamala
title Effect Of Rice Husk Powder On Properties Of Natural Rubber Latex Foam
title_short Effect Of Rice Husk Powder On Properties Of Natural Rubber Latex Foam
title_full Effect Of Rice Husk Powder On Properties Of Natural Rubber Latex Foam
title_fullStr Effect Of Rice Husk Powder On Properties Of Natural Rubber Latex Foam
title_full_unstemmed Effect Of Rice Husk Powder On Properties Of Natural Rubber Latex Foam
title_sort effect of rice husk powder on properties of natural rubber latex foam
publishDate 2014
url http://eprints.usm.my/40895/1/Shamala_Ramasamy_24_Pages.pdf
http://eprints.usm.my/40895/
_version_ 1643710068730888192
score 13.159267