introduction inorganic polymer main chain element is organized group element new polymers based on main group elements especially boron silcon phosphorous poly carbosilane s germanium and sulfur r si c ...
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...Introduction inorganic polymer main chain element is organized group new polymers based on elements especially boron silcon phosphorous poly carbosilane s germanium and sulfur r si c properties low temperature flexibility n high thermal oxidative stability flame retardancy polygermanes polystannanes novel forms of chemical reactivity ge sn structures classification classical polysiloxanes polysilanes polyphosphazene o p in the first silane by kipping late soluble processable polysilane synthesis method wurtz coupling polymerization rr sicl na toluene adv molecular weight disadv yield side product dehydrogenative ultrasonic nrsih catalyst h ph me lower mw mn...