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US 8,709,959 B2Granted
Puncture resistant fabric
AssigneeKimberly-Clark Worldwide, Inc.
InventorsJohn Gavin MacDonald, Russell F. Ross, JinHo Ryu
Life of this patent
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Abstract
The present invention is generally directed to a nonwoven fabric having a plurality of coated fibers, the coating including silane and dialdehyde, and, in certain embodiments, further including particles.
Claims20
A nonwoven fabric comprising:
- a plurality of fibers having an exterior surface;
- a coating upon the exterior surface of said fibers;
- the coating comprising the cross-linked reaction product of an amino-functionalized silane, a dialdehyde and silica nanoparticles wherein (i) the ratio of parts dialdehyde to the amino-functionalized silane is at least 2:1;
- (ii) the nanoparticles have an average diameter less than 500 nm, (iii) the weight ratio of dialdehyde to the silica nanoparticles is at least 2:1, and
- (iv) the coating composition has a basis weight of between 0.5 g/m2 and 6 g/m2.
2 more elements
Dependencies are inferred from the claim text.