C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/50 (2006.01) B01J 19/24 (2006.01) C08F 6/00 (2006.01)
Patent
CA 2058992
The method includes the steps of feeding a polymer to an extruder where the polymer is melted, metering the molten polymer from the extruder to a tubular pyrolysis reactor through metering means connected to the extruder, and pyrolytically decomposing the polymer in the tubular pyrolysis reactor. A polymer can be pyrolytically decomposed to continuously produce a low molecular weight polymer of quality in a simplified apparatus through simple steps. More particularly, an olefin polymer can be pyrolytically decomposed and volatile components resulting from the pyrolytic reaction be effectively removed from the reaction mixture using a simplified apparatus whereby a pyrolytic wax of quality having satisfactory hue and a minimal content of contaminants is continuously produced in a stable manner for a long period.
Inagaki Hajime
Itoh Yoshikuni
Miura Eigo
Morita Yoshinori
Nishiwaki Kenichi
Mitsui Chemicals Incorporated
Smart & Biggar
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