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3. Solution polymerization
3.1 Superabsorbent polymers
SAP (Superabsorbent Polymers) are cross-linked hydrophilic polymers capable of absorbing very large quantities of water, up to 1,000 times their mass. The use of these superporous hydrogels in the hygiene sector, particularly in baby diapers, is well known . They are also being used in agriculture for water retention and soil hydration
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Unit operations. Chemical reaction engineering
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Solution polymerization
Suspension polymerization
Bibliography
Patents
Process for the production of poly-epsilon-caprolactones and poly-epsilon-caprolactones with high molecular weights obtainable by this process. Solvay EP 0 626 405 B1 (1994).
Bulk reactive extrusion polymerization process producing aliphatic ester polymer compositions. US Pat. 5,969,089 (1999).
Batchwise preparation of crosslinked, finely divided polymers BASF. US Pat. 4,873,299...
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