Particulate water-absorbing agent, absorbent core and the absorbent article
2006
The present invention provides a particulate water absorbing agent for absorbent cores, the particulate water absorbing agent having excellent properties of powder transport, and to include a water absorbing resin to achieve sufficient absorption performance of the absorbent core particulate water-absorbing agent as a main component is used, and the particulate water-absorbing agent is also suitable for practical use. In the present invention, while adjusting the past completely unknown features fine water-absorbing agent, i.e., "osmotic potential (PPUP) under pressure" and "positively charged triboelectric charge", and further, improve the "2% by weight to 10% by weight the moisture content "of regulation. Furthermore, comprising (A) satisfying some of the requirements from the unsaturated monomer containing an acid group and / or a water-swellable salt of structural units derived from cross-linked polymer and (B) particulate water absorbing agent.
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