Disinfectant wet wipe

D - Textiles – Paper – 21 – H

Patent

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Details

D21H 17/05 (2006.01) A01N 31/00 (2006.01) A01N 59/00 (2006.01)

Patent

CA 2722788

A disinfectant wet wipe that contains a germicidal solution and a nonwoven web material is provided. The germicidal solution includes a peracid and peroxide, which can act synergistically together to be efficacious against pathogens when exposed thereto. To stabilize the solution over a period of time (e.g., during storage), a variety of aspects of the wipe are selectively controlled in accordance with the present invention. For example, the nonwoven web material used in the wipe is formed from a synthetic polymer and is relatively hydrophobic in nature. Without intending to be limited by theory, it is believed that such materials possess a lower reduction potential for peroxides/peracids than cellulosic- based materials. In this manner, significant degradation of the peroxide or peracid contained in the germicidal solution is limited. To improve the wettability of the nonwoven web material, one or more surfactants are also employed in the germicidal solution. Besides improving wettability, the present inventors have surprisingly discovered that certain surfactants may also improve the stability of the solution.

Linvention concerne un chiffon humide désinfectant constitué d'une bande de matériau non tissée imprégnée d'une solution bactéricide. La solution bactéricide comprend un peracide et un peroxyde qui sont efficaces contre les agents pathogènes lorsqu'ils agissent ensemble de manière synergique au contact de ces derniers. Pour stabiliser la solution sur une longue durée (p. ex. au cours de l'entreposage), divers aspects du chiffon sont sélectivement contrôlés conformément à la présente invention. Par exemple, la bande de matériau non tissée utilisée pour confectionner le chiffon est formée d'un polymère synthétique; elle est de nature relativement hydrophobe. Sans vouloir se limiter à la théorie, l'on estime que de tels matériaux possèdent un potentiel de réduction des peroxydes/peracides inférieur à celui des matériaux cellulosiques, ce qui limite une dégradation sensible du peroxyde ou du peracide présent dans la solution bactéricide. Pour améliorer la mouillabilité de la bande de matériau non tissée, un ou plusieurs tensioactifs sont également ajoutés à la solution bactéricide. Outre l'amélioration de la mouillabilité, les inventeurs ont découvert de manière inattendue que certains tensioactifs peuvent également améliorer la stabilité de la solution.

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