Binary odor control system for absorbent articles
AssigneeInternational Paper Company
InventorBrent A. Petersen
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Abstract
Cellulosic pulp structures integrating unreacted quantities of an inorganic peroxide and a destabilizing acid, as binary components of an odor control system, absorbent articles incorporating such structures, and various methods of forming the same, are disclosed herein. The components are adapted to react in the presence of an aqueous fluid to produce hydrogen peroxide, thereby providing an antimicrobial and odor mitigating effect.
Claims21
An absorbent article comprising:
- a cellulosic pulp structure comprising a matrix of bleached softwood kraft pulp cellulose fibers and a fluid retention agent, the cellulose fibers comprising an inorganic alkaline earth metal peroxide and a destabilizing acid disposed on the cellulosic pulp structure, wherein the inorganic alkaline earth metal peroxide and the destabilizing acid are separately disposed on the cellulose fibers in discrete alternating lines.
A method of forming an odor-controlling cellulosic pulp structure, the method comprising:
- singulating a bleached softwood kraft pulp cellulose pulp sheet;
- forming a matrix with the singulated cellulose fibers;
- distributing a fluid retention agent through the matrix of cellulose fibers;
- and
- separately drizzling an inorganic alkaline earth metal peroxide and a destabilizing acid onto the matrix of cellulose fibers such that the inorganic alkaline earth metal peroxide and the destabilizing acid are separately disposed on the cellulose fibers in discrete alternating lines.
A cellulosic pulp structure comprising a matrix of bleached softwood kraft pulp cellulose fibers and a fluid retention agent, the cellulose fibers comprising an inorganic alkaline earth metal peroxide from about 1% to about 10% by weight of the cellulose fibers and a destabilizing acid from about 0.45% to about 3% by weight of the cellulose fibers, wherein the inorganic alkaline earth metal peroxide and the destabilizing acid are separately disposed on the cellulosic pulp structure in discrete alternating lines.
An absorbent article comprising:
- an absorbent core comprising a cellulosic pulp structure comprising a matrix of bleached softwood kraft pulp cellulose fibers and a fluid retention agent, the absorbent core comprising an inorganic alkaline earth metal peroxide and a destabilizing acid, wherein the inorganic alkaline earth metal peroxide and the destabilizing acid are separately disposed on separate layers of the absorbent core.
Dependencies are inferred from the claim text.