Durably wettable, liquid pervious webs

Details Durably wettable, liquid pervious webs Durably wettable, liquid pervious webs

B - Operations, Transporting

05

D

B05D 7/24 (2006.01) D06M 10/00 (2006.01) D06M 10/02 (2006.01) D06M 10/06 (2006.01) D06M 10/08 (2006.01) D06M 10/10 (2006.01)

Patent

CA 2340972

Disclosed are durably wettable, liquid pervious webs that are particularly useful as topsheet materials for absorbent articles, such as baby and adult diapers, feminine hygiene products and the like. The durably wettable, liquid pervious webs are formed by applying a relatively permanent hydrophilic coating onto at least one surface of a web (a polymeric film or nonwoven) via plasma polymerization. Also disclosed are absorbent articles which include the durably wettable, liquid pervious webs as a topsheet, as well as the plasma polymerization process for making the durably wettable, liquid pervious webs.

L'invention concerne des voiles imperméables aux liquides, à mouillabilité durable, s'utilisant particulièrement comme matières de couche supérieure dans des articles absorbants tels que des couches pour bébés ou adultes, des articles d'hygiène féminine et analogues. On forme les voiles imperméables aux liquides à mouillabilité durable en appliquant un revêtement hydrophile relativement permanent sur au moins une surface d'un voile (un film polymère ou un non-tissé) par polymérisation au plasma. L'invention concerne également des articles absorbants comportant, comme couche supérieure, les voiles imperméables aux liquides à mouillabilité durable, ainsi qu'un procédé de polymérisation au plasma permettant de fabriquer les voiles imperméables aux liquides à mouillabilité durable.

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