Application of NR Gloves Reclaim: Cure and Mechanical Properties of NR/Reclaim Rubber Blends

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Reclamation of waste natural rubber gloves is carried out by mechano-chemical process using MBTS as reclaiming agent. The reclaim rubber is later blended with a virgin natural rubber at various blend ratios. The cure behavior and mechanical properties of the re-vulcanized blends are evaluated in comparison to the properties profile of the virgin materials. A significant increase in re-vulcanization rate is observed with increasing reclaim rubber contents. This property is most likely a consequence of the presence of active functional sites in the reclaim rubber. Additionally, the maximum torque as well as a torque difference increase with increasing reclaims rubber contents which are attributed to an increase in crosslink density of the blends. Moreover, the crosslink density also plays a major role in mechanical properties of the NR/reclaim rubber blends.

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437-440

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November 2013

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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