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GPC chromatograms of GPS polymerization mixtures catalyzed by DBTDL at different conditions. (1) Volume fraction of DBTDL (C) = 1, water/silane ratio (r) = 1.5, T = 80 °C, time (t) = 5 days; (2) C = 1, r = 5, T = 80 °C, t = 5 days; (3) C = 0.5, r = 1.5, T = 110 °C, t = 14 days; (4) C = 0.5, r = 5, T = 110 °C, t = 14 days. Reprinted with permission from [22]. Copyright Elsevier, 2000.
