Uncreped throughdried towels and wipers having high strength and absorbency
AssigneeKimberly-Clark Corporation
InventorsStephen J. Sudall, Steven A. Engel
Life of this patent
Estimating the term…
Abstract
Uncreped throughdried basesheets can be made with the caliper of the basesheet being independent of the basis weight of the basesheet. Multi-ply wipers and towels produced by plying together two or more of such basesheets having a relatively low basis weight can provide products with improved caliper and absorbency for a given strength level and the amount of fiber used.
Claims40
An uncreped throughdried basesheet having a Dry Caliper which is independent of the basis weight of the basesheet, said basesheet having a Dry Caliper of about 0.4 millimeters or greater, an Aqueous Absorbent Capacity of about 500 percent or greater, and a machine direction stretch of about 10 percent or greater.
A calendered multi-ply cellulosic product useful as a wiper or towel comprising two or more uncreped throughdried plies having a basis weight of from about 10 to about 30 grams per square meter per ply and containing a wet strength resin, wherein the ratio of the Wet Caliper to the Dry Caliper is about 1.5 or greater.
A multi-ply cellulosic product useful as a wiper or towel comprising two or more uncreped throughdried plies having a basis weight of from about 10 to about 30 grams per square meter per ply, a machine-direction Tensile Strength of about 1000 grams or greater per ply, and an uncalendered Dry Caliper of about 0.4 millimeters per ply or greater.
A calendered multi-ply cellulosic product useful as a wiper or towel comprising two or more uncreped throughdried plies and having an Aqueous Absorbent Capacity independent of the Dry Caliper of the product.
A multi-ply cellulosic product useful as a wiper or towel comprising two or more uncreped throughdried plies having a basis weight of from about 10 to about 30 grams per square meter per ply and having a machine-direction Tensile Strength of about 1000 grams or greater per ply, said multi-ply product having an Aqueous Absorbent Capacity of about 800 percent or greater and an Aqueous Absorbent Rate of about 1 second or less.
A multi-ply cellulosic product useful as a wiper or towel comprising two or more uncreped throughdried plies having a basis weight of from about 10 to about 30 grams per square meter per ply and a machine direction Tensile Strength of about 1000 grams or greater per ply, said multi-ply product having an Oil Absorbent Capacity of about 300 weight percent or greater and an Oil Absorbent Rate of about 20 seconds or less.
A multi-ply cellulosic product useful as a wiper or towel comprising two or more uncreped throughdried plies having a basis weight of from about 10 to about 30 grams per square meter per ply, a machine-direction Tensile Strength of about 2000 grams or greater, a Dry Caliper of about 0.4 millimeters or greater per ply, a Wet Caliper of about 0.4 millimeters or greater per ply, an Oil Absorbent Capacity of about 300 percent or greater, an Aqueous Absorbent Capacity of about 800 percent or greater, an Oil Absorbent Rate of about 20 seconds or less, and a machine direction stretch of from about 10 percent or greater.
Dependencies are inferred from the claim text.