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Polymers 2018, 10(10), 1116; https://doi.org/10.3390/polym10101116

Effect of Calcium Chloride as a Coagulant on the Properties of ESBR/Silica Wet Masterbatch Compound

Department of Polymer Science & Chemical Engineering, Pusan National University, Busandaehak-ro 63beon-gil, Geumjeong-gu, Busan 46241, Korea
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Received: 1 September 2018 / Revised: 3 October 2018 / Accepted: 4 October 2018 / Published: 9 October 2018
(This article belongs to the Special Issue Materials and Methods for New Technologies in Polymer Processing)
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Abstract

When designing rubber compounds for high-performance tires, increasing the silica content can improve the wet traction performance but decreases the fuel efficiency. This trade-off relation makes it difficult to improve the two factors simultaneously. One approach is the development of silica wet masterbatch (WMB) technology for producing compounds containing a high silica content with good dispersion. The technology involves a step to mix surface-modified silica and rubber latex. The technique requires a coagulant to break up the micelles of the rubber latex and cause the surface-modified silica and the rubber molecules to co-coagulate due to van der Waals forces. In this study, the effect of coagulant type on the characteristics of silica surface, and the mechanical properties of the emulsion styrene-butadiene rubber (ESBR)/silica WMB compounds was investigated, as well as the abrasion properties and the viscoelastic properties of the vulcanizates. View Full-Text
Keywords: polymer composite; silica filled compound; rubber; emulsion styrene-butadiene rubber/silica wet masterbatch; silica dispersion polymer composite; silica filled compound; rubber; emulsion styrene-butadiene rubber/silica wet masterbatch; silica dispersion
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Kim, W.; Ahn, B.; Mun, H.; Yu, E.; Hwang, K.; Kim, D.; Ryu, G.; Kim, W. Effect of Calcium Chloride as a Coagulant on the Properties of ESBR/Silica Wet Masterbatch Compound. Polymers 2018, 10, 1116.

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