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In relation to this article, we declare that there is no conflict of interest.
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Received November 2, 2016
Accepted April 5, 2017
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Optimization and analysis of reaction injection molding of polydicyclopentadiene using response surface methodology

Chemical Industry Development Center, Korea Research Institute of Chemical Technology, 45, Jongga-ro, Jung-gu, Ulsan 44412, Korea
dhcho@krict.re.kr
Korean Journal of Chemical Engineering, July 2017, 34(7), 2099-2109(11), 10.1007/s11814-017-0102-5
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Abstract

Reaction injection molding (RIM) process conditions for polydicyclopentadiene (PolyDCPD) were optimized by using a Box-Behnken design (BBD) from the response surface methodology (RSM). The RIM process parameters, such as smoke time, exotherm time, highest exotherm and PolyDCPD conversion, were tuned by changing the variables (the amount of catalyst, cocatalyst and moderator). Under the optimized condition, the ring-opening metathesis polymerization reaction of dicyclopentadiene did not occur within 100 s, the maximum temperature was reached within 4min, and the polydicyclopentadiene conversion was over 98%. Therefore, dicyclopentadiene could be safely put into the mold in a total cycle time of less than 6min and produce PolyDCPD with mechanical properties sufficient for industry applications.

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