Preparation of low-density ethylene copolymers in fluid bed reac

Details Preparation of low-density ethylene copolymers in fluid bed reac Preparation of low-density ethylene copolymers in fluid bed reac

1983-06-24

1984-11-13

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502126, 502127, 502134, 5263486, 526901, 526904, C08F 234, C08F 1002

Patent

active

044826877

ABSTRACT:
Ethylene copolymers having a density of about 0.91 to 0.94 and a melt flow ratio of about .gtoreq.26 to .ltoreq.40 are readily produced in a low pressure gas phase process at a productivity of .gtoreq.500,000 pounds of polymer per pound of Ti with a catalyst formed from selected organo aluminum compounds and a composition prepared by copulverizing magnesium dihalide with a complex obtained by contacting a titanium compound of the structure Ti(OR).sub.a X.sub.b with an ether, ester, ketone or amine,

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patent: 4302565 (1981-11-01), Goeke et al.
patent: 4302566 (1981-11-01), Karol et al.

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