Arlanxeo Deutschland Gmbh

Bayer Intellectual Property Gmbh

Sven Bach

Paul Nguyen

Wei Chen

Karl-Robert Boos

Werner Bäcker

Reiner Witkowski

Sigrun Stein

Tobias Groemping

Baecker Werner

Kevin Alam

Robert Michael Wise

Thomas Mulder

Matthias Ruhland

Tobias Gromping

Tobias GRÖMPING

Evgeny Avtomonov

The present invention relates to a process for the production of halogenated butyl rubber and an apparatus for the production of rubber cement for use in the production of halogenated butyl rubber. The process and apparatus permit direct mixing of aqueous rubber slurry with a non-halogenated organic solvent to make a rubber cement solution. The water layer is then separated from the partially dissolved rubber cement and the cement phase is sent for halogenation. The apparatus is an enclosed vessel comprised of at least one dissolving zone and at least one separator zone. The process and apparatus advantageously employ recycle of rubber cement in order to disrupt an interface layer that forms between the water and rubber cement, to thereby improve continuously operation of the process.

Process and apparatus for production of halogenated butyl rubber with reduced emissions

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Langenfeld, Germany

Sven Bach