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Please use this identifier to cite or link to this item: http://purl.org/purl/813

Title: Studies on Xanthate/Dithiocarbamate Accelerator Combination in NR/BR Blends
Authors: Rani, Joseph
Keywords: natural rubber
polybutadiene rubber
NR/BR blend
mechanical properties
low temperature curing
Issue Date: 25-Mar-2006
Publisher: Wiley InterScience
Abstract: Zinc butyl xanthate [Zn(bxt)2] was prepared in the laboratory . The effect of this xanthate with zinc diethyl dithiocarbamate (ZDC) on the vulcanization of natural rubber ( NR), polybutadiene rubber (BR), and NR/BR blend has been studied at different temperatures. The amounts of Zn (bxt)2 and ZDC in the compounds were optimized by varying the amount of ZDC from 0 . 75 to 1.5 phr and Zn (bxt)2 from 0 . 75 to 1 .5 phr. The cure characteristics were also studied . HAF filled NR, BR, and NR / BR blend compounds were cured at different temperatures from 60 to 150 C. The sheets were molded and properties such as tensile strength, tear strength, crosslink density and elongation at break, compression set, abrasion resistance, etc. were evaluated. The results show that the mechanical properties of 80NR/20BR blends are closer to that of NR vulcanizates, properties of 60NR/40BR blends are closer to BR vulcanizates, while the 70NR/30BR blends show an intermediate property.
URI: http://dyuthi.cusat.ac.in/purl/813
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