Process for producing ethylene copolymer

Details Process for producing ethylene copolymer Process for producing ethylene copolymer

1989-10-17

1992-02-25

Smith, Edward J.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

502104, 502125, 502133, 502134, 526124, 526125, 526348, 5263484, 5263486, 526909, C08F 4654, C08F 4655, C08F21002

Patent

active

050913530

ABSTRACT:
An improved process for producing an ethylene copolymer composed of a major proportion of ethylene and a minor proportion of an alpha-olefin having 3 to 10 carbon atoms and having a density of 0.910 to 0.945 g/cm.sup.3 and an ethylene content of 85 to 99.5 mole %. The use of a titanium catalyst component (A) which meets a parametric combination of specific requirements is essential in this process. The process can industrially advantageously give a low to medium density ethylene copolymer of high quality with high productivity while advantageously circumventing the operational troubles which have been difficult to avoid by conventional processes.

REFERENCES:
patent: 4071674 (1978-01-01), Kashiwa et al.
patent: 4205021 (1980-05-01), Morita et al.
patent: 4298713 (1981-11-01), Morita et al.
patent: 4438243 (1984-03-01), Kashiwa et al.
patent: 4526943 (1985-07-01), Fuentes et al.

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