Studies of carboxylated nitrile butadiene rubber/butyl reclaimed rubber (XNBR/BRR) blends for shoe soles application

Rising environmental issues and huge disposal of rubber waste have resulted in an increased interest in the usage of reclaimed rubber (RR) to produce sustainable and environmental friendly applications. In this study, incorporation of butyl reclaimed rubber into carboxylated nitrile butadiene rubber...

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Autores principales:	Abidin Zafirah Zainal, Mamauod Siti Nur Liyana, Khooi Darren, Sarkawi Siti Salina, Ismail Hanafi
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	rheological properties swelling compression set carboxylated nitrile butadiene rubber/butyl reclaimed rubber blends rubber Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/98609b6937d74af093cfbef0c981673c
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spelling	oai:doaj.org-article:98609b6937d74af093cfbef0c981673c2021-12-05T14:10:52ZStudies of carboxylated nitrile butadiene rubber/butyl reclaimed rubber (XNBR/BRR) blends for shoe soles application0334-89382191-024310.1515/jmbm-2021-0018https://doaj.org/article/98609b6937d74af093cfbef0c981673c2021-10-01T00:00:00Zhttps://doi.org/10.1515/jmbm-2021-0018https://doaj.org/toc/0334-8938https://doaj.org/toc/2191-0243Rising environmental issues and huge disposal of rubber waste have resulted in an increased interest in the usage of reclaimed rubber (RR) to produce sustainable and environmental friendly applications. In this study, incorporation of butyl reclaimed rubber into carboxylated nitrile butadiene rubber (XNBR/BRR) was carried out where the loadings of each XNBR and BRR were varied. The rubber was cured with sulphur during the melt mixing using a two-roll mill. This study is aimed to investigate the applied BRR loading towards the physical and mechanical properties of the XNBRcompounds. The results appeared that the optimum cure time (T90) increased and curing rate index (CRI) showed that a faster curing reaction with the increase in the content of BRR where the T90 had an increment of 89% while the CRI was faster by 89%. As for the crosslink density which indicates the density of chains or segments in polymer network, it decreased about 20% with increasing level of BRR. Also, the compression set which refers to the ability of rubber to resist permanent deformation, had an increase of 73% as the loading ratio of BRR increased. These results were obtained due to the low molecular weight of the BRR where the high shear and temperature during the reclamation process severely breaks down the molecular chains of the BRR into shorter segments. With the results obtained, it is shown that reclaimed rubber has the potential for further development and could increase the interest of researchers all around the world in the incorporation of reclaimed rubber for footwear application.Abidin Zafirah ZainalMamauod Siti Nur LiyanaKhooi DarrenSarkawi Siti SalinaIsmail HanafiDe Gruyterarticlerheological propertiesswellingcompression setcarboxylated nitrile butadiene rubber/butyl reclaimed rubber blendsrubberMechanical engineering and machineryTJ1-1570ENJournal of the Mechanical Behavior of Materials, Vol 30, Iss 1, Pp 179-187 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	rheological properties swelling compression set carboxylated nitrile butadiene rubber/butyl reclaimed rubber blends rubber Mechanical engineering and machinery TJ1-1570
spellingShingle	rheological properties swelling compression set carboxylated nitrile butadiene rubber/butyl reclaimed rubber blends rubber Mechanical engineering and machinery TJ1-1570 Abidin Zafirah Zainal Mamauod Siti Nur Liyana Khooi Darren Sarkawi Siti Salina Ismail Hanafi Studies of carboxylated nitrile butadiene rubber/butyl reclaimed rubber (XNBR/BRR) blends for shoe soles application
description	Rising environmental issues and huge disposal of rubber waste have resulted in an increased interest in the usage of reclaimed rubber (RR) to produce sustainable and environmental friendly applications. In this study, incorporation of butyl reclaimed rubber into carboxylated nitrile butadiene rubber (XNBR/BRR) was carried out where the loadings of each XNBR and BRR were varied. The rubber was cured with sulphur during the melt mixing using a two-roll mill. This study is aimed to investigate the applied BRR loading towards the physical and mechanical properties of the XNBRcompounds. The results appeared that the optimum cure time (T90) increased and curing rate index (CRI) showed that a faster curing reaction with the increase in the content of BRR where the T90 had an increment of 89% while the CRI was faster by 89%. As for the crosslink density which indicates the density of chains or segments in polymer network, it decreased about 20% with increasing level of BRR. Also, the compression set which refers to the ability of rubber to resist permanent deformation, had an increase of 73% as the loading ratio of BRR increased. These results were obtained due to the low molecular weight of the BRR where the high shear and temperature during the reclamation process severely breaks down the molecular chains of the BRR into shorter segments. With the results obtained, it is shown that reclaimed rubber has the potential for further development and could increase the interest of researchers all around the world in the incorporation of reclaimed rubber for footwear application.
format	article
author	Abidin Zafirah Zainal Mamauod Siti Nur Liyana Khooi Darren Sarkawi Siti Salina Ismail Hanafi
author_facet	Abidin Zafirah Zainal Mamauod Siti Nur Liyana Khooi Darren Sarkawi Siti Salina Ismail Hanafi
author_sort	Abidin Zafirah Zainal
title	Studies of carboxylated nitrile butadiene rubber/butyl reclaimed rubber (XNBR/BRR) blends for shoe soles application
title_short	Studies of carboxylated nitrile butadiene rubber/butyl reclaimed rubber (XNBR/BRR) blends for shoe soles application
title_full	Studies of carboxylated nitrile butadiene rubber/butyl reclaimed rubber (XNBR/BRR) blends for shoe soles application
title_fullStr	Studies of carboxylated nitrile butadiene rubber/butyl reclaimed rubber (XNBR/BRR) blends for shoe soles application
title_full_unstemmed	Studies of carboxylated nitrile butadiene rubber/butyl reclaimed rubber (XNBR/BRR) blends for shoe soles application
title_sort	studies of carboxylated nitrile butadiene rubber/butyl reclaimed rubber (xnbr/brr) blends for shoe soles application
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/98609b6937d74af093cfbef0c981673c
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Studies of carboxylated nitrile butadiene rubber/butyl reclaimed rubber (XNBR/BRR) blends for shoe soles application

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