Manufacture of low density ethylene polymers of improved...

Details Manufacture of low density ethylene polymers of improved... Manufacture of low density ethylene polymers of improved...

C - Chemistry, Metallurgy

08

F

402/396, 402/604

C08F 10/02 (2006.01) C08F 6/28 (2006.01) C08F 110/02 (2006.01) C08F 212/02 (2006.01)

Patent

CA 1090044

ABSTRACT OF THE DISCLOSURE: A process for the continuous high pressure polymerization Or ethylene in a polymerization system which comprises a polymerization zone (A) a high pressure product isolation zone (B), a throttling and control system (C), a low pressure product isolation zone (D), a second throttling and control system (E) and a discharge extruder (F), and wherein, according to the invention, the level Or the ethylene polymer in the high pressure product isolation zone (B) and in the low pres- sure product isolation zone (D) is carried periodically. The pro- cess gives an ethylene polymer Or improved homogeneity, which when used to manufacture films does not tend to form specks or fisheyes.

302716

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