A facile synthesis of hydro- and vinyl-functionalized di- and tetrasiloxanes and polyaddition via hydrosilylation |
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| Authors: | Koji Shintani Osamu Ooi Atsunori Mori Yusuke Kawakami |
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| Affiliation: | (1) Graduate School of Materials Science, Japan Advanced Institute of Science and Technology, Asahidai 1-1, 923-12 Tatsunokuchi, Ishikawa, Japan;(2) Present address: Research Laboratory of Resources Utilization, Tokyo Institute of Technology, 226 Nagatsuta, Yokohama, Japan |
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| Abstract: | Summary Hydro- and vinyl-bifunctionalized di- or tetrasiloxane were synthesized by degradative cleavage of functional cyclic siloxanes with methyllithium followed by quenching with a functional chlorosilane, or by ring-opening of hexamethylcyclotrisiloxane (D3) by functional alkyllithium followed by quenching with a functional chlorosilane. These bifunctionalized siloxanes were used as monomers in polyaddition with transition metal catalysts. |
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