| abstract |
(57) Abstract: Ethylene and / or ethylene and at least one or more other olefins are converted to at least one or more internal electron donors, trimethylaluminum and a compound of formula (1): R 1 —CH 2 — O—CH 2 —R 2 , formula (2), At least one carbon-oxygen-carbon selected from the group consisting of formula (3): R 5 —O—R 6 and formula (4): R 7 —O (—R 8 —O) n —R 9 Ethylene homopolymers and copolymers comprising contacting under polymerization conditions with a Ziegler-Natta type catalyst comprising at least one or more external electron donor compounds containing a bond (C-O-C) New manufacturing method. |