D - Textiles – Paper – 04 – H
Patent
D - Textiles, Paper
04
H
D04H 1/42 (2006.01) B32B 5/26 (2006.01) D01D 5/42 (2006.01)
Patent
CA 2561081
The present invention is directed to articles comprising nanofibers. Preferred articles include diapers, training pants, adult incontinence pads, catamenials products such as feminine care pads and pantiliners, tampons, personal cleansing articles, personal care articles, and personal care wipes including baby wipes, facial wipes, body wipes, and feminine wipes. The nanofiber webs can be used as a barrier, wipe, absorbent material, and other uses. The nanofibers, having a diameter of less than 1 micron, must comprise a significant number of the fibers in at least one nonofiber layer of the nonwoven web. The nonwoven web may have a hydrohead to basis weight ratio of greater than about 10 mbar/gsm. The nanofibers may be produced from a melt film fibrillation process.
L'invention concerne des articles comprenant des nanofibres. Les articles préférés sont des couches-culottes, des culottes de propreté, des protections contre l'incontinence des adultes, des produits d'hygiène féminine tels que des serviettes et des protège-slips, des tampons, des articles de toilette personnelle, des articles d'hygiène personnelle, et des lingettes d'hygiène personnelle, y compris des lingettes pour bébé, des lingettes pour le visage, des lingettes pour le corps et des lingettes d'hygiène féminine. Les bandes de nanofibres peuvent être utilisées comme protections, lingettes, matériaux absorbants, ou autres. Les nanofibres, dont le diamètre est inférieur à 1 micron, comprennent un nombre significatif de fibres dans au moins une couche de nanofibres de la bande non tissée. La bande non tissée peut avoir un rapport charge hydrostatique/poids de base supérieur à environ 10 mbar/gsm. Les nanofibres peuvent être obtenues au cours d'un processus de fibrillation de film en fusion.
Bond Eric Bryan
Chhabra Rajeev
Isele Olaf Erik Alexander
Mirle Srinivas Krishnaswany
Xu Han
Mbm Intellectual Property Law Llp
The Procter & Gamble Company
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