Polymerization in several stages of alpha-olefins in the gas pha

Details Polymerization in several stages of alpha-olefins in the gas pha Polymerization in several stages of alpha-olefins in the gas pha

1987-07-02

1990-02-20

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Organic polymerization

422119, 422132, 422233, 422235, C08F 234, B01J 1202

Patent

active

049024833

ABSTRACT:
Apparatus for the production of polyolefins by the polymerization of alpha-olefins in the gas phase, in several stages, in at least two polymerization reactors interconnected by a transfer device making it possible to transfer the polyolefins resulting from the first reactor into the second reactor, in which the polymerization is continued under conditions identical to or different from those of the first reactor.

REFERENCES:
patent: 3894998 (1975-07-01), Spiegelman
patent: 4338424 (1982-07-01), Morita et al.
patent: 4390669 (1983-06-01), Morita et al.
patent: 4420592 (1983-12-01), Kato et al.

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