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US 8,138,280 B2Granted
Production of superabsorbent polymers on a continuous belt reactor
AssigneeBASF SE
InventorsMatthias Weismantel, Rüdiger Funk, Leigh R. Blair, Kevin D. Heitzhaus, Bruce Storey
Life of this patent
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Abstract
The invention relates to a process for production of superabsorbent polymers on a continuous belt reactor, wherein a continuous polymerization belt rests at least partly upon the upper surface of at least one continuous support belt and the at least one continuous support belt slides at least partly on a fixed surface.
Claims16
A process for production of superabsorbent polymers on a continuous belt reactor, comprising
- i) a continuous polymerization belt, and
- ii) at least one continuous support belt,
- wherein the continuous polymerization belt i) rests at least partly upon an upper surface of the at least one continuous support belt ii) and the at least one continuous support belt ii) slides at least partly on a fixed surface, wherein a first section of the continuous polymerization belt i) forms a trough.
Dependencies are inferred from the claim text.