Porous low density shot-like degradable absorbent materials and

Details Porous low density shot-like degradable absorbent materials and Porous low density shot-like degradable absorbent materials and

1992-02-24

1994-10-25

Chin, Peter

Paper making and fiber liberation

Processes and products

162158, 1621681, 162175, 162189, 162DIG9, 119172, 210924, 264115, 264117, 264118, 264122, 264140, 264141, D21J 300

Patent

active

053586077

ABSTRACT:
Degradable particulate absorbent materials and processes for manufacture, wherein the absorbent materials have: i) in most forms of the invention, on the order of not more than 10% by weight inorganic solids or "fillers" and in all cases less than 30% inorganic solids by weight; ii) an open, porous, shot-like fiber structure with low bulk density on the order of not more than 30 lbs./ft..sup.3 and, preferably, in the range of 15 to 18 lbs./ft..sup.3.

REFERENCES:
patent: 4374974 (1983-02-01), Kok
patent: 4519918 (1985-05-01), Ericsson et al.
patent: 4537877 (1985-08-01), Ericsson
patent: 4560527 (1985-12-01), Harke et al.
patent: 4621011 (1986-11-01), Fleischer et al.
patent: 4931139 (1990-06-01), Phillips
patent: 5018482 (1991-05-01), Stanislowski
patent: 5100600 (1992-03-01), Keller et al.

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