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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/12852

Title: Selective Migration of Silica Particles between Rubbers
Authors: Doan, Vu Anh
Nobukawa, Shogo
Ohtsubo, Shigeki
Tada, Toshio
Yamaguchi, Masayuki
Keywords: Interphase transfer
Issue Date: 2013-04-25
Publisher: Springer
Magazine name: Journal of Polymer Research
Volume: 20
Number: 5
Start page: Article:145
DOI: 10.1007/s10965-013-0145-1
Abstract: The migration of silica nanoparticles in the laminated sheets of poly(butadiene) (BR) and poly(styrene-co-butadiene) (SBR) rubbers is investigated. Laminated rubber sheets are subjected to various annealing conditions beyond their glass transition temperatures. After separation, the surface morphologies of separated sheets are observed by scanning electron microscopy. The transfer of particles occurs from SBR to BR during annealing, but not from BR to SBR. Since SBR exhibits a higher viscosity than BR under the experimental conditions, the transfer direction is determined by interfacial tension. Silica particles without any surface modification prefer to reside in BR. The diffusion distance is predicted from the Stokes-Einstein equation. Differential scanning calorimetric measurements show that BR crystallization is enhanced by the silica particles immigrated from the SBR sheet, because of their favorable nucleating ability. This study allows the prediction of silica particle localization in BR and SBR blends.
Rights: This is the author-created version of Springer, Vu Anh Doan, Shogo Nobukawa, Shigeki Ohtsubo, Toshio Tada, Masayuki Yamaguchi, Journal of Polymer Research, 20(5), 2013, Article:145. The original publication is available at www.springerlink.com, http://dx.doi.org/10.1007/s10965-013-0145-1
URI: http://hdl.handle.net/10119/12852
Material Type: author
Appears in Collections:c10-1. 雑誌掲載論文 (Journal Articles)

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