| abstract |
[Problem] To provide a granular water absorbent that makes it possible to produce an absorbent body which has an excellent rate of acquisition and reduced rewet. [Solution] A granular water absorbent having, as the main component, poly(meth)acrylic acid (salt)–based water-absorbing resin particles, the granular water absorbent being characterized by containing communicating holes that are spaces which connect to the exterior and closed cells that are sealed spaces which do not connect to the exterior, and in that the total volume fraction of the communicating holes is at least 10 vol%, and the total volume fraction of the closed cells is no higher than 0.5 vol%. |