Catalyst impregnated on fine silica, process for preparing, and

Details Catalyst impregnated on fine silica, process for preparing, and Catalyst impregnated on fine silica, process for preparing, and

1983-07-25

1985-06-04

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526124, 5263486, 526901, 526908, 526909, C08F 402, C08F21002

Patent

active

045215731

ABSTRACT:
Film grade ethylene copolymers are prepared by copolymerizing ethylene with at least one C.sub.3 to C.sub.8 alpha olefin employing a catalyst formed from an organo aluminum activator compound and a precursor composition impregnated in very fine particle sized porous silica, said precursor composition having the formula

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patent: 3381047 (1968-04-01), Eleuterid et al.
patent: 3594330 (1971-07-01), Delbouille et al.
patent: 3769233 (1973-10-01), Hermans et al.
patent: 3925338 (1975-12-01), Ort
patent: 3953414 (1976-04-01), Galli et al.
patent: 4098979 (1978-07-01), Maemoto et al.
patent: 4173547 (1979-11-01), Graff
patent: 4302565 (1981-11-01), Goeke et al.

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