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picture1_6 2020 03 13!05 31 33 Pm


 22x       Filetype PPT       File size 1.07 MB       Source: uomustansiriyah.edu.iq


File: 6 2020 03 13!05 31 33 Pm
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 ...

icon picture PPT Filetype Power Point PPT | Posted on 10 Sep 2022 | 4 years ago
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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...

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