Catalysts prepared from tetrakis(dialkylamide or diarylamide) de

Details Catalysts prepared from tetrakis(dialkylamide or diarylamide) de Catalysts prepared from tetrakis(dialkylamide or diarylamide) de

1989-01-11

1990-01-09

Garvin, Patrick P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 97, 526125, 526129, 526156, 526158, 526161, 526348, 5263482, 5263486, 526352, 502117, C08F 464

Patent

active

048929140

ABSTRACT:
Ziegler-Natta catalysts for polymerizing .alpha.-olefins are prepared by the addition of tetrakis(dialkylamide or diarylamide) derivatives of titanium, and a metal-containing reducing agent such as ethyl aluminum dichloride to a suitable support material such as magnesium chloride. Olefins are polymerized in the presence of these supported catalysts and an aluminum containing cocatalyst or activator such as triethylaluminum.

REFERENCES:
patent: 4310648 (1982-01-01), Shipley et al.
patent: 4325837 (1982-04-01), Capshew et al.
patent: 4363746 (1982-12-01), Capshew
patent: 4562170 (1985-12-01), Graves

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