Superabsorbent fibre flocks, methods for their production and ap

Details Superabsorbent fibre flocks, methods for their production and ap Superabsorbent fibre flocks, methods for their production and ap

1987-12-08

1991-03-26

Cannon, James C.

Stock material or miscellaneous articles

Pile or nap type surface or component

47 81, 2102424, 2105021, 210504, 210505, 428 6, 428 86, 428 90, 428 95, 428 97, 428369, 428402, 4285428, 604365, 604370, 604372, 604376, 6043851, A61F 1315, A61F 1346, B32B 516, B32B 530

Patent

active

050028146

ABSTRACT:
The invention relates to superabsorbent fibre flocks comprising a core of absorptive polymer wherein short polymer fibres have been embedded, such short polymer fibres protruding at least partially from the core. Such superabsorbent fibre flocks can be produced by binding absorbent polymer particles to each other and to the polymer fibres with the aid of a bonding agent and by grinding the fibre flocks thus obtained to the required particulate size. The superabsorbent fibre flocks according to the invention can be used to advantage in sanitary products, especially in baby diapers, menstrual pads and incontinence articles and have further application in separating water and aqueous components from hydrophobic liquids.

REFERENCES:
patent: 3901236 (1975-08-01), Assarsson et al.
patent: 3922455 (1975-11-01), Brumlik
patent: 4418103 (1983-11-01), Tani et al.
patent: 4458042 (1984-07-01), Espy
patent: 4477522 (1984-10-01), Sheehan
patent: 4555421 (1985-11-01), Yasue
patent: 4681789 (1987-07-01), Donovan et al.
patent: 4721647 (1988-01-01), Nakanishi et al.

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