Preparation and Characterisation of Crosslinked Natural Rubber (SMR CV 60) and Epoxidised Natural Rubber (ENR-50) Blends
In this sudy, the influenceof di(tert-butylperoxyisopropyl)benzene (DTBPIB) on the properties of natural rubber (NR) blend with epoxidized natural rubber (ENR) was determined. Fourier transform infrared spectroscopy with attenuated total refletance analysis and gel content confired crosslinking occu...
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doaj-aed3a4859d6d4dfa883183a7a7475a192020-11-24T22:51:19ZengUniversitas Gadjah MadaASEAN Journal on Science and Technology for Development0217-54602224-90282018-04-0134210.29037/ajstd.403371Preparation and Characterisation of Crosslinked Natural Rubber (SMR CV 60) and Epoxidised Natural Rubber (ENR-50) BlendsM. SASITARAN0S. MANROSHAN1C.S. LIM2B. N. KRISHNA VENI3S.K. ONG4R. GUNASUNDERI5School of Distance Education, Universiti Sains Malaysia, 11800 Pulau PinangRubber Research Institute of Malaysia, Malaysian Rubber Board, 47000 Sg. BulohSchool of Pharmacy, International Medical University, 57000 Bukit JalilRubber Research Institute of Malaysia, Malaysian Rubber Board, 47000 Sg. BulohUniversiti Kuala Lumpur, Malaysian Institute of Chemical and Bioengineering Technology, 78000 Alor Gajah, MelakaSchool of Distance Education, Universiti Sains Malaysia, 11800 Pulau PinangIn this sudy, the influenceof di(tert-butylperoxyisopropyl)benzene (DTBPIB) on the properties of natural rubber (NR) blend with epoxidized natural rubber (ENR) was determined. Fourier transform infrared spectroscopy with attenuated total refletance analysis and gel content confired crosslinking occurred in the rubber blends in the presence of peroxide DTBPIB percentage. Studies including tensile properties, dynamic mechanical properties, thermogravimetric analysis (TGA) and water absorptivity showed the changes in properties of the crosslinked NR/ENR blends. Tensile properties analysis disclosed the improvements in the modulus at 300% elongation and tensile stength with increasing NR ratios. Dynamic mechanical analysis revealed the blends to be incompatible and immiscible, with ENR showing a more viscous behaviour compared to the polymer blends. Thermal properties improved by blending NR with ENR as the onset temperature of NR/ENR: 50/50 was higher than pure NR by approximately 10oC and ENR by approximately 2oC. Water absorptivity experiment revealed a two-fold reduction in the presence of crosslinking for all blend ratios.http://www.ajstd.org/index.php/ajstd/article/view/403Natural rubberepoxidized natural rubberpolymer blendperoxide crosslinking agent |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
M. SASITARAN S. MANROSHAN C.S. LIM B. N. KRISHNA VENI S.K. ONG R. GUNASUNDERI |
spellingShingle |
M. SASITARAN S. MANROSHAN C.S. LIM B. N. KRISHNA VENI S.K. ONG R. GUNASUNDERI Preparation and Characterisation of Crosslinked Natural Rubber (SMR CV 60) and Epoxidised Natural Rubber (ENR-50) Blends ASEAN Journal on Science and Technology for Development Natural rubber epoxidized natural rubber polymer blend peroxide crosslinking agent |
author_facet |
M. SASITARAN S. MANROSHAN C.S. LIM B. N. KRISHNA VENI S.K. ONG R. GUNASUNDERI |
author_sort |
M. SASITARAN |
title |
Preparation and Characterisation of Crosslinked Natural Rubber (SMR CV 60) and Epoxidised Natural Rubber (ENR-50) Blends |
title_short |
Preparation and Characterisation of Crosslinked Natural Rubber (SMR CV 60) and Epoxidised Natural Rubber (ENR-50) Blends |
title_full |
Preparation and Characterisation of Crosslinked Natural Rubber (SMR CV 60) and Epoxidised Natural Rubber (ENR-50) Blends |
title_fullStr |
Preparation and Characterisation of Crosslinked Natural Rubber (SMR CV 60) and Epoxidised Natural Rubber (ENR-50) Blends |
title_full_unstemmed |
Preparation and Characterisation of Crosslinked Natural Rubber (SMR CV 60) and Epoxidised Natural Rubber (ENR-50) Blends |
title_sort |
preparation and characterisation of crosslinked natural rubber (smr cv 60) and epoxidised natural rubber (enr-50) blends |
publisher |
Universitas Gadjah Mada |
series |
ASEAN Journal on Science and Technology for Development |
issn |
0217-5460 2224-9028 |
publishDate |
2018-04-01 |
description |
In this sudy, the influenceof di(tert-butylperoxyisopropyl)benzene (DTBPIB) on the properties of natural rubber (NR) blend with epoxidized natural rubber (ENR) was determined. Fourier transform infrared spectroscopy with attenuated total refletance analysis and gel content confired crosslinking occurred in the rubber blends in the presence of peroxide DTBPIB percentage. Studies including tensile properties, dynamic mechanical properties, thermogravimetric analysis (TGA) and water absorptivity showed the changes in properties of the crosslinked NR/ENR blends. Tensile properties analysis disclosed the improvements in the modulus at 300% elongation and tensile stength with increasing NR ratios. Dynamic mechanical analysis revealed the blends to be incompatible and immiscible, with ENR showing a more viscous behaviour compared to the polymer blends. Thermal properties improved by blending NR with ENR as the onset temperature of NR/ENR: 50/50 was higher than pure NR by approximately 10oC and ENR by approximately 2oC. Water absorptivity experiment revealed a two-fold reduction in the presence of crosslinking for all blend ratios. |
topic |
Natural rubber epoxidized natural rubber polymer blend peroxide crosslinking agent |
url |
http://www.ajstd.org/index.php/ajstd/article/view/403 |
work_keys_str_mv |
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