D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
D01F 11/00 (2006.01) C08J 7/04 (2006.01) D01F 11/04 (2006.01)
Patent
CA 2723785
The present invention describes a novel process for the conformal coating of polymer fibers on nonwoven substrates. This process is based on the modification of polymer fiber surfaces by controlling the degree of etching and oxidation, which improves adhesion of initiators to the surface and facilitates subsequent conformal polymer grafting. The modified fiber surfaces render new functionalities to the surface, such as increasing hydrophilicity, attaching ligands or changing surface energy. The invention includes the modified polymer fibers produced by the process described herein.
La présente invention concerne un nouveau processus pour le revêtement enrobant de fibres polymères sur des substrats non tissés. Ce processus est basé sur la modification de surfaces de fibre polymère par le contrôle du degré de gravure et doxydation, ce qui améliore ladhérence des initiateurs à la surface et facilite le greffage ultérieur dun polymère enrobant. Les surfaces de fibre modifiée apportent de nouvelles fonctionnalités à la surface, telles que laugmentation de la capacité hydrophile, la fixation de ligands or la modification de lénergie de surface. Linvention comporte les fibres polymères modifiées produites par le processus décrit ici.
Carbonell Ruben G.
Chowdhury Sumana Roy
Gurgel Patrick Vasconcelos
Liu Haiyan
Zheng Yong
Fasken Martineau Dumoulin Llp
North Carolina State University
Pathogen Removal And Diagnostic Technologies Inc.
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