Particulate, absorbent, polymeric compositions containing interp

Details Particulate, absorbent, polymeric compositions containing interp Particulate, absorbent, polymeric compositions containing interp

1993-08-20

1994-07-19

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Edge feature

428283, 428294, 428323, 428326, 428327, 428913, 604368, B32B 2302

Patent

active

053308220

ABSTRACT:
Particulate, absorbent, polymeric compositions comprising interparticle crosslinked aggregates. The interparticle crosslinked aggregates comprise precursor particles of substantially water-insoluble, absorbent, hydrogel-forming, polymer material; and an interparticle crosslinking agent reacted with the polymer material of the precursor particles to form crosslink bonds between the precursor particles. Sufficient interparticle crosslinked aggregates are formed when the mass average particle size of the resultant polymeric composition has been increased by at least about 25% over the mass average particle size of the precursor particles. The resultant polymeric composition provides improved structural integrity, an increased acquisition rate, and minimal gel blocking properties.

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