Water absorbing agent and production method thereof

Water absorbing agent and production method thereof

  • CN 101,448,896 A
  • Filed: 08/31/2007
  • Published: 06/03/2009
  • Est. Priority Date: 08/31/2006
  • Status: Active Application
First Claim
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1. water-retaining agent, it comprises by making obtain and the water-absorbent besin particles comprise crosslinking structure in inside of water-soluble olefinic polymerization of unsaturated monomers, and wherein pressurized hole mean radius index is 140 or higher,Wherein this pressurized hole mean radius index is swell gel pore radius (d50), and it is corresponding to 50% of accumulation pore water content in the physiological saline under the load of 2.07kPa.

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