Recycling of NR based cured latex material reclaimed with 2,2'-dibenzamidodiphenyldisulphide in a truck tire tread compound

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Rajan, V.V. and Dierkes, W.K. and Joseph, R. and Noordermeer, J.W.M. (2006) Recycling of NR based cured latex material reclaimed with 2,2'-dibenzamidodiphenyldisulphide in a truck tire tread compound. Journal of Applied Polymer Science, 102 (5). pp. 4194-4206. ISSN 0021-8995

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Abstract:It is observed that reclamation of natural rubber latex based rubber using 2,2'-dibenzamidodiphenyldisulphide as reclaiming agent is an optional methodology for recycling of waste latex rubber (WLR). For progressive replacement of virgin natural rubber by the reclaim, two alternatives curing system were investigated: adjustment or reduction of the curing system with increasing reclaim content, to compensate for the extra amount of curatives brought along by the reclaim. For fixed curing system, as if the reclaim were equivalent to virgin NR. The cure behavior, final crosslink density and distribution, mechanical properties, and dynamic viscoelastic properties of the blends with reclaimed WLR are measured and compared with the virgin compound. The morphology of the blends, sulfur migration, and final distribution are analyzed. The mechanical and dynamic viscoelastic properties deteriorate for both curing systems, but to a lesser extent for fixed curing system compared to adjusted curing system. With the fixed cure system, many properties like tensile strength and compression set do still deteriorate, but tan δ and M300/M100, representative for the rolling resistance of tires are improved. On the other hand, with the adjusted cure system both mechanical and dynamic properties still deteriorate.
Item Type:Article
Copyright:© 2006 Wiley InterScience
Faculty:
Engineering Technology (CTW)
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Link to this item:http://purl.utwente.nl/publications/72064
Official URL:http://dx.doi.org/10.1002/app.24563
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