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Authors
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Debnath, S. ; Das, A. ; Basu, D. ; Heinrich, G.
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Title
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Naturally occurring amino acids: a suitable substitute of N-N/- Di-phenyl guanidine (DPG) in silica tyre formulation?
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Date
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18.02.2013
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Number
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34883
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Abstract
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N-N/- di-phenyl guanidine (DPG) in combination with cyclohexyl benzothiazole sulfenamide (CBS) is widely used as an accelerator for the vulcanization of silica filled solution styrene butadiene rubber (S-SBR). The vulcanizates thus obtained exhibit excellent mechanical properties, good dynamic properties and also good aging resistance property. However, the use of DPG is a bit restricted of late being reported to be a potent carcinogenic compound and, hence, the effective substitution for DPG by safe alternative has been extensively explored. In this study, we systematically study the effects of naturally occurring amino acid L-cystine (L-cys) and its derivative Lcystine dimethyl ester dihydrochloride (ELCH) as environmental friendly co-accelerators for the vulcanization of silicafilled S-SBR.
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Publisher
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Kautschuk Gummi Kunststoffe
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Wikidata
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Citation
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Kautschuk Gummi Kunststoffe 66 (2013) 25-31
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DOI
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http://www.kgk-rubberpoint.de/texte/anzeigen/4108/
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