Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1986-01-21
1987-06-16
Garvin, Patrick P.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
502104, 502119, 526125, C08F 464
Patent
active
046736611
ABSTRACT:
Catalysts for polymerization and copolymerization of olefins to form polymers having a high degree of isotacticity and fast rate of crystal transformation. The catalysts embody a component made by chlorinating a magnesium alkyl with chlorine or a mixture of chlorine and alkyl chloride to form a carrier, contacting the carrier first with liquid TiCl.sub.4, then with a Lewis base, and after that at least once with TiCl.sub.4 in the absence of Lewis base.
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Iiskola Eero I.
Lofgren Barbro U.
Luciani Luciano
Seppanen Hanneli
Stjernberg Maria H.
Garvin Patrick P.
Neste Oy
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