C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 17/04 (2006.01) A01N 25/34 (2006.01) A61L 2/23 (2006.01) A61L 2/238 (2006.01) D06M 23/02 (2006.01)
Patent
CA 2407600
Specific transfer methods and articles to impart a metal-ion based antimicrobial finish to recipient textile surfaces. Such treatments preferably comprise silver ions, particularly as constituents of inorganic metal salts or zeolites. In particular, the inventive method involves the application of a solid, inorganic antimicrobial material to a donor substrate (such as a dryer sheet), and the subsequent placement of such a substrate within a tumble drying machine containing textile fabrics and operating the machine. The donor substrate, upon contact with the recipient textile fabrics, transfers antimicrobially effective amounts of the metal-ion based compounds to such recipient fabrics thereby imparting at least a temporary antimicrobial finish over at least a portion of such fabrics. The donor substrates, with either the antimicrobial compound alone or mixed with standard tumble dryer additives (such as perfumes, fabric softeners, fiber lubricants, and the like) are also contemplated within this invention.
Cette invention concerne des procédés de transfert et des article spécifiques permettant de conférer un fini antimicrobien à base d'ions métal à des surfaces textiles réceptrices. De tels traitements font de préférence intervenir des ions d'argent, en particulier comme éléments constitutifs de sels ou de zéoiltes de métal inorganiques. La méthode selon l'invention concerne plus particulièrement l'application d'un matériau antimicrobien inorganique solide sur un substrat donneur (tel qu'une feuille pour séchage), et le placement subséquent d'un tel substrat dans un séchoir à tambour renfermant des tissus textiles. Au contact des tissus textiles récepteurs, le substrat donneur transfert de manière antimicrobienne des doses importantes de composés à base d'ions métalliques auxdits tissus, ce qui a pour effet de conférer au moins temporairement un pouvoir antimicrobien à une partie au moins desdits tissus. L'invention concerne également les substrats donneurs avec soit le composé anti-microbien seul, soit mélangés à des additifs de séchage standard (tels que parfums, adoucisseurs de tissus, lubrifiants pour fibres, etc.).
Gowling Lafleur Henderson Llp
Milliken & Company
LandOfFree
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