Water-absorbing resin composition

  • US 10,961,358 B2
  • Filed: 09/29/2017
  • Issued: 03/30/2021
  • Est. Priority Date: 09/30/2016
  • Status: Active Grant
First Claim
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1. A water-absorbing resin composition comprising (i) a chelating agent and (ii) a surfactant and/or a lubricant, wherein the water-absorbing resin composition has the following properties:

  • (1) A centrifuge retention capacity (CRC) being not less than 35 g/g;

    (2) A post-degradation-test one-hour eluted soluble component being not more than 19% by mass;

    (3) An absorbency against pressure 0.7 psi (AAP0.7) being not less than 10 g/g; and

    (4) A content of a water-absorbing resin in dust being not more than 300 ppm with respect to a total mass of the water-absorbing resin composition.

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