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This work reported that a silicon‐centered alkyl borane/ammonium salt binary (two‐component) catalyst exhibits much higher activity than its bifunctional analogue (one‐component) for the ring‐opening polymerization of propylene oxide, showing 7.3 times the activity of its bifunctional analogue at a low catalyst loading of 0.01 mol %, and even 15.3 times the activity at an extremely low loading of...
This work reported that a silicon‐centered alkyl borane/ammonium salt binary (two‐component) catalyst exhibits much higher activity than its bifunctional analogue (one‐component) for the ring‐opening polymerization of propylene oxide, showing 7.3 times the activity of its bifunctional analogue at a low catalyst loading of 0.01 mol %, and even 15.3 times the activity at an extremely low loading of...