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Role of Epoxidized Natural Rubber in Dynamic Mechanical Properties of NR/ENR/silica Composites

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Abstract:

NR/ENR/silica composites with different ENR amount were prepared in an open two-roll laboratory mixing mill at room temperature. Dynamic properties of ENR filled NR/silica were performed by dynamic mechanical thermal analyzer (DMA) and compression fatigue analyzer. DMA and compression fatigue test results showed that the effect of ENR on dynamic properties of NR/silica was significant. DMA displayed the tanδ of NR/ENR/silica composites at 0 °C was increased with increasing ENR amount. Compression fatigue test indicated the presence of ENR decreased the heat produced during compression test and the heat build-up is the least when NR to ENR ratio is 80 to 20. Scanning electron microscopy was used to investigate the morphology of NR/silica filled with ENR. It is found that silica self-aggregation was improved in the presence of ENR and sea-island structure was formed in NR/silica when 30phr ENR added, which maybe the reason of decrement of heat produced during compression.

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Advanced Materials, ICAMMP 2011 View Preview

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Periodical:

Advanced Materials Research (Volumes 415-417)

Pages:

415-419

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.415-417.415

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Online since:

December 2011

Authors:

Yue Qiong Wang, Qing Huang Wang, Yong Yue Luo, Jie Ping Zhong, Yong Zhen Li, Can Zhong He, Zheng Peng

Keywords:

Dynamic Mechanical Poperty, Epoxidized Natural Rubber (ENR), NR/ENR/Silica Composites

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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