Abstract
Ultra-high molecular weight polyethylene (UHMWPE) with a high melting point (Tm) up to 144°C was successfully obtained by suspension polymerization in 1,4-H-octafluorobutane medium initiated by Ziegler–Natta catalysts. This method makes it possible successfully to carry out polymerization at a temperature close to ambient one and an ethylene pressure close to atmospheric one. The resulting polyethylenes were characterized by IR spectroscopy, elemental analysis and derivatographic studies. Values of melting points and degrees of crystallinity of the synthesized polymers were obtained using these data.
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