Poly(trimethylene monothiocarbonate) from the Alternating Copolymerization of COS and Oxetane: A Semicrystalline Copolymer
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2016 American Chemical Society. A semicrystalline poly(trimethylene monothiocarbonate) (PTMMTC) has been synthesized via the selective and alternating copolymerization of carbonyl sulfide and oxetane. This reaction was catalyzed by (salen)CrCl accompanied by organic bases over a wide range of temperatures from 40 to 130 C. PTMMTC is shown to exhibit similar crystallization behavior to high-density polyethylene (HDPE), i.e., being spherulite and possessing melting temperatures (Tm) up to 127.5 C and a degree of crystallinity (Xc) of up to 71%. Moreover, PTMMTC has a wide processing temperature window of ca. 100 C.
author list (cited authors)
Wu, H., Yang, J., Luo, M., Wang, R., Xu, J., Du, B., Zhang, X., & Darensbourg, D. J.
complete list of authors
Wu, Hai-Lin||Yang, Jia-Liang||Luo, Ming||Wang, Rui-Yang||Xu, Jun-Ting||Du, Bin-Yang||Zhang, Xing-Hong||Darensbourg, Donald J