Preparation of very low molecular weight polyethylene in a fluid

Details Preparation of very low molecular weight polyethylene in a fluid Preparation of very low molecular weight polyethylene in a fluid

1989-12-28

1991-11-26

Garvin, Patrick P.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By addition of entire unsaturated molecules, e.g.,...

502114, 526905, C07C 202

Patent

active

050684892

ABSTRACT:
Ethylene copolymers having a very low molecular weight are continuously prepared in a fluidized bed in the presence of reduced concentrations of hydrogen, at improved catalyst activity and polymer productivity, by effecting polymerization in the presence of a dialkylzinc compound.

REFERENCES:
patent: 4302565 (1981-11-01), Goeke et al.
patent: 4302566 (1981-11-01), Karol et al.
S. Lin, J. Chen and Y. Lu, Geo Fen Zi Xun (Polymer Communications), No. 5, pp. 326-331, Oct. 1986, Institute of Polymer Science, Zhongshen University, Guang Zhou.

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