Production of high solids containing polyethylene emulsions

Details Production of high solids containing polyethylene emulsions Production of high solids containing polyethylene emulsions

1975-02-07

1976-08-31

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296MQ, C08L 2306

Patent

active

039780171

ABSTRACT:
Stable polyethylene emulsions are produced having a solids content of at least about 30% by weight in a polymerization process without the necessity of a concentration step by contacting ethylene with an aqueous reaction medium containing from about 0.5 to about 1.5 weight percent of a water soluble persulfate initiator and from about 5.5 to about 10.0 weight percent of an alkyl benzene sulfonate emulsifier and allowing the reaction to proceed until at least about 30 weight percent solids level is obtained. The resulting polymeric emulsions are stable and surprisingly have superior properties to polyethylene emulsions which are conventionally produced at lower solids levels and then concentrated to the higher solids level.

REFERENCES:
patent: 3352807 (1967-11-01), Helin et al.
patent: 3380945 (1968-04-01), Deex et al.
patent: 3400089 (1968-09-01), Bestian et al.

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