Process for generating linear apha olefin comonomers

Details Process for generating linear apha olefin comonomers Process for generating linear apha olefin comonomers

2011-08-23

2011-08-23

Bullock, In Suk (Department: 1772)

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

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

C585S310000, C585S324000, C585S329000, C585S500000, C585S502000, C585S510000, C585S511000, C585S512000, C585S520000, C585S521000, C585S522000, C585S523000

Reexamination Certificate

active

08003839

ABSTRACT:
The present invention relates to an in-line method for generating comonomer, from monomer, such as ethylene. The comonomer generated is stored prior to transporting to a polyethylene polymerization reactor. The in-line method includes the steps of providing an in-line comonomer synthesis reactor and a downstream gas/liquid phase separator prior to the polymerization reactor; feeding ethylene monomer and a catalyst in a solvent and/or diluent to the comonomer synthesis reactor; reacting the ethylene monomer and the catalyst in solvent and/or diluent under reaction conditions to produce an effluent stream including ethylene monomer and comonomer; passing the effluent stream from the comonomer synthesis reactor to the downstream gas/liquid phase separator to separate a gas stream from a bottom stream, wherein the gas stream is a mixture of ethylene monomer and comonomer; and passing the gas stream to the polymerization reactor to provide the necessary comonomer input.

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