Manufacture of norbornene

Details Manufacture of norbornene Manufacture of norbornene

C - Chemistry, Metallurgy

07

C

260/690.7

C07C 13/42 (2006.01) C07C 2/50 (2006.01)

Patent

CA 1215399

ABSTRACT OF THE DISCLOSURE A process for the manufacture of norbornene is disclosed. The process comprises the steps of (a) feeding ethylene, cyclopentadiene and/or dicyclopentadiene, and inert aliphatic hydrocarbon solvent into a reactor, (b) maintaining the ratio of ethylene:diene at at least 3:1 (molar basis), the reactor temperature at at least 200°C, the reactor pressure at at least 5 MPa and a residence time in the reactor of at least 5 minutes, and (c) separating the norbornene so formed. The inert solvent is preferably pentane, hexane, heptane and/or cyclohexane. The norbornene may be copolymerized with ethylene to form high molecular weight polymers for the packaging or other plastics industries. DC-0167

432420

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