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Open AccessArticle

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

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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