Process for producing water-absorbing resins
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United States of America Patent
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-
Jun 18, 1985
Grant Date -
N/A
app pub date -
Jul 27, 1983
filing date -
Oct 6, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for producing an absorbent resin, which comprises polymerizing 1 mole of a lower alkyl acrylate and 0.07 to 0.5 mole of a polyhydric alcohol ester of a monoethylenically unsaturated carboxylic acid in an aqueous medium in the absence of an emulsifying agent, saponifying the resulting polymer with a basic substance in a water-lower alcohol medium, and then neutalizing the saponification product with an acid.
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