| abstract |
An absorbent structure devoid of capillary obstruction (gel blocking) is formed by applying one or more superabsorbent polymer precursor compositions to a substrate at a plurality of predetermined, controlled spaced apart locations using a precision non-contact process, and chemically reacting the precursor composition(s) in situ to form superabsorbent polymer domains adhered to the substrate. The superabsorbent polymer domains have controlled size and spacing so that, when the superabsorbent polymer domains are in a fully swollen state following maximum liquid absorption, adjacent superabsorbent polymer domains will not touch each other and will not block capillaries existing between the domains in the absorbent structure. The absorbent structure has excellent liquid intake and distribution, and optimal absorbent capacity. |