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US 6,781,027 B2Granted
Mixed denier fluid management layers
AssigneeKimberly-Clark Worldwide, Inc.
InventorsChristopher Dale Fenwick, Roland Columbus Smith, Jr.
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AssigneeKimberly-Clark Worldwide, Inc.
InventorsChristopher Dale Fenwick, Roland Columbus Smith, Jr.
Estimating the term…
A nonwoven surge material for personal care products, which is a nonwoven fabric made of a homogeneous blend of large and small denier fibers. The small or first denier fiber preferably has an average denier less than 2, is at least 3 denier less than the second or larger fiber and the large or second denier fiber has an average denier between 4 and 15. The nonwoven fabric is a mixture of these fibers in amounts of from 25 to 75 weight percent of each type of fiber. The fabric may have a basis weight between 30 and 200 gsm. The first denier fiber may be a bicomponent fiber which may be a sheath/core polyethylene/polypropylene bicomponent fiber. The second denier fiber may be made from a polyester. It is also possible that the fibers have a hydrophilic treatment added to their surface to increase their hydrophilicity.
A nonwoven material for personal care products comprising a mixture of synthetic fibers of different denier, wherein a first denier fiber is a bicomponent fiber and has an average denier of 1 or less, said first fiber has an average denier at least 3 denier less than a second fiber, and said second fiber has an average denier between 4 and 15, and wherein said material has a basis weight between 30 and 200 gsm.
A surge material for personal care products comprising about 60 weight percent of a first fiber in a bicomponent sheath/core configuration, made from polymers selected of the group consisting of polyethylene/polypropylene, polyethylene/polyethylene terephalate and co-polyethylene terephalate/polyethylene terephalate and having a first average denier, and about 40 weight percent of a polyester second fiber having a average second denier, wherein said first denier is 1 or less and is at least 3 denier less than said second denier, said second denier is between 4 and 15, and wherein said material has a basis weight between 30 and 200 gsm.
A surge material for personal care products comprising a between 40 and 60 weight percent of a first fiber having a first average denier and between 60 and 40 weight percent of a second fiber having a second average denier, wherein said first denier is 1 or less and is at least 3 denier less than said second denier, said second denier is between 4 and 15, and wherein said material has a basis weight between 30 and 200 gsm.
Dependencies are inferred from the claim text.