ABSORBENT BODY AND ABSORBENT PRODUCT

摘要

Provided is a sanitary napkin (1) having a surface layer (2), a back layer (3) and an absorbing layer (4) containing water-absorbing polymer arranged between the layers (2) and (3).  Said water-absorbing polymer has carboxyl groups and/or carboxylate groups and the degree of neutralization is at least 75 mol% and the centrifugal retention according to JIS K7223 is 5 to 20 g/g.  Said water-absorbing polymer preferably has a water uptake rate by the vortex method of 30 seconds or more and a liquid passing rate under a pressure of 2.0 kPa of at least 150 ml/minute.  A preferred embodiment of the absorbing layer (4) comprises a laminated structure with a plurality of fiber assembly layers and at least one layer of said water absorbing polymer inserted between the layers of said laminated structure.