An ethylene polymerization process is disclosed. The polyethylene has a long-chain-branching index (LCBI) of 1 or greaster. The process uses a single-site catalyst that contains a boraaryl ligand. The catalyst is alkylated with triisobutyl aluminum.

Um processo da polimerização do etileno é divulgado. O polietileno tem um índice longo-corrente-ramificando (LCBI) de 1 ou de greaster. O processo usa um catalizador do único-local que contenha um ligand do boraaryl. O catalizador alkylated com alumínio do triisobutyl.

 
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