Abstract
1. The molecular-weight distributions of polyethylenes obtained on the soluble system (C2H5)2TiCl2Al(C2H5)2Cl in benzene, ethyl chloride, and 1,2-dichloroethane and on the heterogeneous system TiCl4Al(C2H5)2Cl in propane have been determined. 2. The polyethylene obtained on the (C2H5)2TiCl2-Al(C2H5)2Cl system in chlorine-containing solvents is characterized by low ratios of the weight-average to the number-average molecular weight (¯Mw√Mn=1.8–5.1) and the molecular-weight distribution has a bimodal nature. 3. A narrow molecular-weight distribution leads to a considerable enhancement of the physicomechanical properties of the polyethylene.
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Schedule a callMore From: Bulletin of the Academy of Sciences of the USSR, Division of chemical science
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