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  • [ N/A ]
    Öğe
    Nature-derived renewable polymers to replace commodity plastics
    (Amer Chemical Soc, 2018) Nsengiyumva, Olivier; Sahmetlioglu, Ertugrul; Ha Thi Hoang Nguyen; Gokturk, Ersen; Miller, Stephen
    [Abstract Not Available]
  • Küçük Resim
    Öğe
    Silicon Acetal Metathesis Polymerization
    (Amer Chemical Soc, 2016) Sahmetlioglu, Ertugrul; Ha Thi Hoang Nguyen; Nsengiyumva, Olivier; Gokturk, Ersen; Miller, Stephen A.
    A kinetic study revealed that the acid-catalyzed (p-TSA) equilibration of Me2Si(OMe)(2) and Me2Si(OEt)(2), forming Me2Si(OEt)OMe, is established in 300 min in benzene at room temperature. This silicon acetal metathesis reaction is exploited for the step-growth polymerization of bissilicon acetals (MeOSiMe2OROSiMe2OMe) with metathetical loss of Me2Si(OMe)(2). Thus, a convenient and generalized silicon acetal metathesis polymerization (SAMP) method is introduced as the acid-catalyzed copolymerization of a diol (HOROH) and Me2Si(OMe)(2), driven by elimination of methanol and/or Me2Si(OMe)(2). SAMP constitutes an effective and powerful strategy for manipulating the most common bond in the Earth's crust, the silicon oxygen bond.