Takaho Shibata

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Future M2M networks are expected to accommodate socially important services such as telemetering and disaster sensing. To construct these networks economically, proposals have been made to use wide-range wireless cells with a radius of more than 1 km and that are capable of accommodating more terminals than the population [1][2][3]. We propose that the(More)
Star-shaped poly(vinyl ether)s with narrow molecular weight distributions were obtained from polymer-linking reactions of living polymers with a divinyl compound based on living cationic polymerization. For example, living polymers (DP(n) = 50-300) of isobutyl vinyl ether (IBVE), prepared with a cationogen/EtAlCl(2) at 0 degrees C in hexane in the presence(More)
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