Multicomponent superabsorbent gel particles
AssigneeBASK Aktiengesellschaft
InventorsMichael A. Mitchell, Thomas W. Beihoffer, Kimberly A. Rausch
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Abstract
Multicomponent superabsorbent gel particles are disclosed. The multicomponent particles comprise at least one acidic water-absorbing resin and at least one basic water-absorbing resin. Each particle contains about 20% to about 40%, by weight, of the basic resin, based on the total weight of the acidic resin and basic resin present in the particle. Blends of multicomponent superabsorbent gel particles with particles of a second water-absorbing resin also are disclosed. Improved diaper cores containing particles of the multicomponent superabsorbent gel particles also are disclosed.
Claims39
A multicomponent superabsorsent particle comprising, in a single particle, about 20% to about 40%, by weight, of one or more microdomains of at least one basic water-absorbing resin in contact with about 60% to about 80%, by weight, of one or more microdomain of at least one acidic water-absorbing resin.
Dependencies are inferred from the claim text.