It is shown that the system TiC14-(C2Hs)2AICI-(C6Hs)2Mg is highly efficient and very promising as a catalyst of the filling of polyethylene during the polymerization with inorganic fillers (chalk, marble powder, perlite, kaolin and dolomite). The preliminary activation of the filler, the formation t
Polymerization of propylene sulphide by the Zn(C2H5)2-H2O catalyst system
β Scribed by G.P. Belonovskaja; Yu.P. Kuznetsov; A. Dolgoplosk; V.E. Eskin
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 646 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0014-3057
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The kinetics of propylene polymerization initiated by ansa-metallocene diamide compound rac-Me 2 Si(CMB) 2 Zr(NMe 2 ) 2 (rac-1, CMB Ο 1-C 5 H 2 -2-Me-4-t Bu)/ methylaluminoxane (MAO) catalyst were investigated. The formation of cationic active species has been studied by the sequential NMR-scale rea
The main kinetic laws governing 4-methylpentene-I (MP) polymerization and copolymerization with propylene (P) on the catalytic system TiCI 3 + (C2Hs)gAIC1 between 30 and 70 Β° were studied. The MP homopolymerization is kinetically first-order in monomer and TiCl> The effective activation energy is 8'