Water absorbing starch resins

  • US 4,076,663 A
  • Filed: 03/29/1976
  • Issued: 02/28/1978
  • Est. Priority Date: 03/27/1975
  • Status: Expired due to Term
First Claim
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1. A process for producing a water-absorbing resin which comprises polymerizing (a) at least one of natural starch and α

  • starch, (b) at least one monomer having a single polymerizable double bond which is a water-soluble or becomes water-soluble by hydrolysis, and (c) a crosslinking agent, and if the monomer (b) is one which becomes water soluble by hydrolysis, thereafter subjecting the resulting product to hydrolysis.

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