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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/16763

Title: Improvement of mechanical toughness of polypropylene by laminating with elastomer
Authors: Hachisuka, Ryosuke
Kobayashi, Toshiaki
Yamaguchi, Masayuki
Keywords: Polypropylene
Bending test
Issue Date: 2019-09-12
Publisher: Springer Nature
Magazine name: Journal of Polymer Research
Volume: 26
Start page: 246
DOI: 10.1007/s10965-019-1910-6
Abstract: We used three-point bending tests to investigate the effects of elastomer lamination on the failure mode of bar-shaped products using isotactic polypropylene (PP). When a thermoplastic elastomer sheet was laminated on PP, which was prepared by double-shot injection molding, the specimen showed high mechanical toughness without signs of stress whitening. Although rubbery materials have low tensile moduli, their bulk moduli are comparable to those of plastics. Therefore, the laminated elastomer, located inside of the bending deformation, prohibits sharp bending angles during the deformation. Consequently, craze formation, which is the origin of stress whitening and leads to brittle fracture, hardly occurs.
Rights: This is the author-created version of Springer, Ryosuke Hachisuka, Toshiaki Kobayashi, Masayuki Yamaguchi, Journal of Polymer Research, 26, 2019, Article number:246. The original publication is available at www.springerlink.com, https://doi.org/10.1007/s10965-019-1910-6
URI: http://hdl.handle.net/10119/16763
Material Type: author
Appears in Collections:c10-1. 雑誌掲載論文 (Journal Articles)

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