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Vulcanizates of epoxidized trans-polyisoprene: morphology, mechanical and dynamic properties

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Abstract

Morphology, curing characteristics, mechanical and dynamic properties of vulcanization of epoxidized trans-polyisoprene (ETPI) with different epoxy content were investigated. From scanning electron microscopy micrographs, it is observed that ETPI vulcanizates were a two-phase system. DSC shows that the residual crystallization reduced with increasing epoxy content. With increasing epoxy content, the induction period of cure shortened gradually as well as tensile strength, elongation at break, hardness and tear strength decreased. It is important to note that the wear resistance increased gradually with the increasing of epoxy content. Rebound values at 23 and 70 °C decreased which indicate that damping capacity and wet resistance performance increased, but the rolling resistance increased. DMA tests further show that wet resistance performance enhanced, damping capacity improved, but rolling resistance increased with increasing epoxy content of ETPI.

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Acknowledgments

This work was financially supported by National Nature Science Foundation of China (No. 51273100), Nature Science Foundation of Shandong province (Nos. ZR2011EMM008, ZR2010BM031, ZR2013BM004) and Outstanding Youth Foundation of Shandong province (No. JQ201203).

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Authors and Affiliations

  1. Key Laboratory of Rubber-Plastics (QUST), Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastic, Qingdao, 266042, China

    Wei Yao, Huafeng Shao, Jing Sun, Aihua He & Baoshen Huang

  2. Petro China Research Institute of Dushanzi Petrochemical Company, Dushanzi, 833600, China

    Mingzhe Han

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  1. Wei Yao
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  2. Huafeng Shao
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  3. Jing Sun
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  4. Aihua He
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  5. Mingzhe Han
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  6. Baoshen Huang
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Correspondence to Huafeng Shao.

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Yao, W., Shao, H., Sun, J. et al. Vulcanizates of epoxidized trans-polyisoprene: morphology, mechanical and dynamic properties. Polym. Bull. 71, 3151–3162 (2014). https://doi.org/10.1007/s00289-014-1242-y

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  • DOI: https://doi.org/10.1007/s00289-014-1242-y

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