Water-absorbing agent and production method thereof

Water-absorbing agent and production method thereof

  • CN 1,965,019 A
  • Filed: 04/28/2005
  • Published: 05/16/2007
  • Est. Priority Date: 05/07/2004
  • Status: Active Application
First Claim
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1. method for preparing water-retaining agent, it comprises the water absorbing resin particle that (i) is polymerized by water-soluble unsaturated monomer, have the internal crosslinking structure;

  • (ii) organic acid (salt);

    (iii) water-soluble polyvalent metal salt carries out the blended step.

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