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US 8,138,281 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 the production of superabsorbent polymers on a continuous belt reactor, wherein the continuous belt rests at least partly upon at least one support belt and the at least one continuous support belt is a metallic belt with a basis weight of at least 1 kg/m2.
Claims19
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) is a metallic belt with a basis weight of at least 1 kg/m2, wherein the at least one continuous support belt ii) is a flat wire belt.
Dependencies are inferred from the claim text.