Preparation of very low molecular weight polyethylene in a fluid

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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Details

526129, 526141, 526142, 526144, 526236, 526901, 526905, C08F 234, C08F 236

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active

050555340

ABSTRACT:
Ethylene homopolymers or copolymers having a very low molecular weight are continuously prepared in a fluidized bed in the presence of high concentrations of hydrogen, while maintaining high catalyst activity, by means of a vanadium-based catalyst.

REFERENCES:
patent: 4302565 (1981-11-01), Goeke et al.
patent: 4302566 (1981-11-01), Karol et al.
patent: 4525547 (1985-06-01), Kato et al.
patent: 4710538 (1987-12-01), Jorgensen et al.
patent: 4851488 (1989-07-01), Burstain

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