WATER ABSORBING MATERIAL, AND COMPOSITION FOR WATER ABSORBING MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide a new water absorbing material used in fields such as sanitary goods including disposable diaper and sanitary napkin, a water retention material for agricultural and horticultural use, and an industrial cutoff agent and a composition for such a water absorbing material.SOLUTION: A water absorbing material uses a polymer of an acrylic acid comprising a polyether polymer represented by formula (1) or formula (2) and having an unsaturated group in a side chain as an internal crosslinking agent, and/or a salt thereof.SELECTED DRAWING: None