Stock material or miscellaneous articles – Web or sheet containing structurally defined element or...
Patent
1989-09-05
1992-02-25
Bell, James J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
428288, 428326, 428913, D09H 158
Patent
active
050912453
ABSTRACT:
Degradable particulate absorbent materials, together with processes for manufacture thereof, wherein the absorbent materials: i) have, in most forms of the inventions, only on the order of 0% to 10%, by weight, of inorganic solids or "fillers", and in all forms have less than 30% inorganic solids by weight; ii) are not in pellet form; iii) are characterized by an open porous fiber structure having relatively low bulk densities on the order of not more than 13 lbs./ft..sup.3 and preferably only from about 6 to about 10 lbs./ft.sup.3 ; iv) are characterized by high rates of absorption and high absorptive capacities; v) are highly flammable both before and after absorption of liquid materials which are often themselves non-flammable and, therefore, are characterized by high heat values during recycling; vi) produce relatively little ash when incinerated, thus minimizing disposal costs and problems; and vii), readily permit of treatment to render the degradable particulate absorbent materials hydrophobic and/or characterized by their ability to remove, and/or form a barrier for, toxic and/or noxious ordorants.
REFERENCES:
patent: 4374794 (1983-02-01), Hok
patent: 4519918 (1985-05-01), Ericsson et al.
patent: 4537877 (1985-08-01), Ericsson et al.
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