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US 11,041,272 B2Granted
Fluff pulp and high SAP loaded core
AssigneeInternational Paper Company
InventorsJames E. Sealey, Brent A. Fields
Life of this patent
Estimating the term…
Abstract
A fluff pulp is provided, which comprises softwood fibers; and 3 to 35% by weight of hardwood fibers. A fluff is also provided, which comprises the fiberized or shredded fluff pulp. A core is also provided, which comprises the fluff and at least an SAP. Processes for making and using the fluff pulp, fluff, and core are provided, and products made thereby.
Claims9
A fluff composition comprising:
- fiberized softwood fibers;
- 8 to 23% by weight of fiberized hardwood fibers;
- and
- one or more superabsorbent polymers (SAP),
- wherein the fluff composition has a SAP retention of greater than 65%.
2 more elements
A core comprising:
- fiberized softwood fibers;
- 8 to 23% by weight of fiberized hardwood fibers;
- and
- one or more superabsorbent polymers (SAP),
- wherein the core has a SAP retention of greater than 65%.
2 more elements
Dependencies are inferred from the claim text.