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pro vyhledávání: '"Kunihiko Takeda"'
Autor:
Kunihiko Takeda, Mitsuru Tanahashi
Publikováno v:
Journal of Nanoscience and Nanotechnology. 14:3123-3136
Dispersion of fine silica particles with hydrophilic surfaces to the hydrophobic polymer network has been investigated. Strength-controlled agglomerates of silica particles with 190 nm diameter were prepared, and they were blended with some polymers
Publikováno v:
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Publikováno v:
Journal of Applied Polymer Science. 122:436-443
Received 26 December 2010; accepted 10 January 2011DOI 10.1002/app.34167Published online 25 April 2011 in Wiley Online Library (wileyonlinelibrary.com).ABSTRACT: Polyethylene has been widely applied inour society and is known to burn well. Many resea
Autor:
Kunihiko Takeda, Erika Nakashima
Publikováno v:
Journal of JSEE. 59:40-47
Engineering education in Japan until the high-speed growth era of the 1970s had been composed mainly of lectures by teachers on various types of subjects and skill training through experiments. “Education” by which students enhance their inherent
Publikováno v:
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Publikováno v:
Polymer Degradation and Stability. 95:1862-1869
The thermal degradation of polyethylene includes two different kinds of pathways. These are random and chain-end scissions which include β-scission on the chain end and radical transfer scission. We conducted a quantitative analysis on these pathway
Publikováno v:
Journal of Nanoscience and Nanotechnology. 9:539-549
The authors have previously developed a novel method for the fabrication of silica/perfluoropolymer nanocomposites, wherein nano-sized silica particles without surface modification were dispersed uniformly through breakdown of loosely packed agglomer
Autor:
Kunihiko Takeda, Yusuke Watanabe, Tomonaga Ueno, Tomoyuki Ishikawa, Yasuhiro Miyahara, Kohshiroh Mizuno
Publikováno v:
Journal of the Society of Materials Science, Japan. 58:251-256
The thermal degradation and the combustion tests of epoxy resins (prepolymer) whose molecular weights are from 1,650 to 50,000 have been conducted. From the result of the vertical firing experiments of epoxy resins with different molecular weight, it
Autor:
Kunihiko Takeda
Publikováno v:
JAPAN TAPPI JOURNAL. 63:1470-1474
Autor:
Kunihiko Takeda, Yasuhiro Miyahara, Tomonaga Ueno, Yusuke Watanabe, Kohshiroh Mizuno, Tomoyuki Ishikawa
Publikováno v:
Journal of the Society of Materials Science, Japan. 58:747-752
A study was conducted on the combustion product gases generated when polyurethane, other polymeric materials, and wood are burnt, and their safety. Compared to other materials, the ignition and combustion times of PU were short, which showed that it