Apparatus and process for the intensive degassing of PVC suspensions and dispersions
AssigneeSolvin (Societe Anonyme)
InventorsThomas Perner, Gunter Elzer
Life of this patent
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Abstract
An apparatus for the intensive degassing of polyvinyl chloride-containing dispersions comprising a polymerization reactor (1), a cooling device (2), and a vacuum unit (3), where the polymerization reactor (1) contains a steam inlet (4) in the lower half, and the polymerization reactor (1), the cooling device (2) and the vacuum unit (3) are connected to one another via a connector (5). The invention also relates to the use of this apparatus and to a process for intensive degassing using this apparatus.
Claims3
An apparatus for steam stripping vinyl chloride from suspensions and dispersions of polyvinyl chloride which comprises:
- a polymerization reactor (1), a cooling device (2), a vacuum unit (3), a steam inlet (4) in the lower half of the polymerization reaction (1) and a connector (5) which connects the polymerization reactor, the cooling device and the vacuum unit to one another, the vacuum unit being connected by a tube to the connector (5) at a point between the reactor (1) and the cooling device (2).
Dependencies are inferred from the claim text.