## Abstract A good supporting material for Ziegler‐Natta type catalysts was obtained by reaction between powdered metallic magnesium and 1‐chloro‐__n__‐C~__m__~H~2__m__+1~ (__m__ = 3–9). This reaction affords a highly disordered form of MgCl~2~ which was characterized by FT‐IR spectroscopy and powd
Studies on highly active coordination catalysts for polymerization of α-olefins: 3. Polymerization of propylene with MgCl2/TiCl4/AlEt3 or MgCl2/PhCOOC2H5/TiCl4/AlEt3 systems
✍ Scribed by B Keszler; A Simon
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 250 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0032-3861
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## Abstract Summary: A study of the effect of Et~3~Al and a diether, 9,9‐bis(methoxymethyl)fluorine (BMMF), on propylene polymerization at high temperature with the use of MgCl~2~‐supported catalysts is reported. BMMF could be extracted from a TiCl~4~/MgCl~2~/BMMF catalyst by Et~3~Al at 100 °C, and
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 ° were studied. The MP homopolymerization is kinetically first-order in monomer and TiCl> The effective activation energy is 8'