Fig. 6 | Nature Communications

Fig. 6

From: Highly active ruthenium metathesis catalysts enabling ring-opening metathesis polymerization of cyclopentadiene at low temperatures

Fig. 6

ROMP of cyclopentadiene. a Dimerization of CPD at ambient temperature. b ROMP of CPD at −40 °C with Ru-8. Conversion was calculated from the 1H NMR spectrum. No reaction was observed with G-II or G-III under same conditions. c Post-treatment of poly-CPD. Without purification, the crude poly-CPD was directly dissolved in THF and hydrogenated in quantitative yields. d Comparing polyethylene samples by solid-state 13 C NMR spectroscopy; commercially available low-density polyethylene (left), polyethylene via hydrogenation of poly-CPD (right)

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