Highly wettable—highly flexible fluff fibers and disposable absorbent products made of those
AssigneeKimberly-Clark Worldwide, Inc.
InventorsGil Bernard Didier Garnier, Elizabeth Ann Allison, Mary Alice Berceau, Troy Michael Runge
Life of this patent
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Abstract
An absorbent core comprising fluff pulp fiber treated with polysiloxane, wherein the absorbent core has a density of about 0.15 g/cm3 or greater and a Young's modulus of about 75 psi or less. The polysiloxane may comprise an amino-functional moiety, The absorbent core may comprise superabsorbent, and may be employed in a disposable absorbent product.
Claims26
An absorbent core comprising fluff pulp fiber treated with polysiloxane, wherein the absorbent core has a density of about 0.15 g/cm3 or greater and a Young's modulus of about 75 psi or less, and wherein the polysiloxane has a general structure of:
- wherein:
- n is an integer ≧2;
- each R′ and R″ moiety comprises independently an organofunctional group and non-organofunctional group or mixtures thereof.
An absorbent core comprising
- a) fluff pulp fiber treated with polysiloxane;
- and,
- b) superabsorbent material;
- wherein the absorbent core has a superabsorbent content of about 25% or greater, a density of about 0.25 g/3 or greater, and a Young's modulus of about 500 psi or less, and wherein the polysiloxane has a general structure of:
- wherein:
- n is an integer ≧2;
- each R′ and R″ moiety comprises independently an organofunctional group and non-organofunctional group or mixtures thereof.
An absorbent core comprising
- a) fluff pulp fiber treated with polysiloxane;
- and,
- b) superabsorbent material;
- wherein the absorbent core has a superabsorbent content of about 25% or greater, has a density of about 0.25 g/cm3 or greater, and a Young's modulus of about 500 psi or less and wherein the polysiloxane has a general structure of:
- wherein:
- n is an integer ≧2;
- each R′ and R″ moiety comprises independently an organofunctional group and non-organofunctional group or mixtures thereof.
Dependencies are inferred from the claim text.