Process for forming a superabsorbent composite web from fiberfor

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

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156 624, 428296, 428297, 428303, B32B 508, B32B 2702, D04H 156, D04H 316

Patent

active

050790803

ABSTRACT:
There is disclosed a novel process to form a water-absorbing sheet by extruding an aqueous solution of superabsorbing polymer as a fibrous stream onto a high velocity, hot fibrous stream of melt-blown fibers of thermoplastic polymer, causing entanglement of the fiber and forming a superabsorbent non-woven mat free of dusting problems.

REFERENCES:
patent: 4380570 (1983-04-01), Schwarz
patent: 4741949 (1988-05-01), Morman et al.
patent: 4803117 (1989-02-01), Daponte
patent: 4820577 (1989-04-01), Morman et al.
patent: 4828911 (1989-05-01), Morman
patent: 4847141 (1989-07-01), Pazos et al.
patent: 4923742 (1990-05-01), Killian et al.

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