Poly(trimethylene monothiocarbonate) from the Alternating Copolymerization of COS and Oxetane: A Semicrystalline Copolymer
作者： Hai-Lin Wu , Jia-Liang Yang , Ming Luo , Rui-Yang Wang , Jun-Ting Xu
DOI: 10.1021/ACS.MACROMOL.6B02285
关键词: Spherulite 、 Crystallization 、 Oxetane 、 High-density polyethylene 、 Polyethylene 、 Carbonyl sulfide 、 Materials science 、 Polymer chemistry 、 Crystallinity 、 Copolymer
摘要: A semicrystalline poly(trimethylene monothiocarbonate) (PTMMTC) has been synthesized via the selective and alternating copolymerization of carbonyl sulfide oxetane. This reaction was catalyzed by (salen)CrCl accompanied organic bases over a wide range temperatures from 40 to 130 °C. PTMMTC is shown exhibit similar crystallization behavior high-density polyethylene (HDPE), i.e., being spherulite possessing melting (Tm) up 127.5 °C degree crystallinity (Xc) 71%. Moreover, processing temperature window ca. 100
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