C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/38 (2006.01) C08G 18/28 (2006.01) C08G 18/50 (2006.01) C08G 18/73 (2006.01) C08G 18/76 (2006.01) C08G 18/78 (2006.01) C08G 18/80 (2006.01) C09D 175/04 (2006.01) D06M 13/428 (2006.01) D06M 15/576 (2006.01)
Patent
CA 2439252
Fluorochemical urethane compositions comprising one or more compounds or oligomers having at least on fluorine-containing repeatable unit and at least one fluorine-containing terminal group are described. The compositions are useful as coatings or incorporated as melt additives. The fluorochemical compositions impart oil and water repellency to the substrate. In other aspects, this invention relates to processes for imparting oil and water repellency characteristics to substrates and articles.
La présente invention concerne des compositions d'uréthane fluorochimique comprenant un ou plusieurs composés ou oligomères possédant au moins une unité pouvant être répétée, contenant du fluor, et au moins un groupe terminal contenant du fluor. Lesdites compositions sont utiles comme revêtements ou incorporées comme additifs fondus. Lesdites compositions fluorochimiques permettent l'hydrofugation et l'oléofugation du substrat. Dans d'autres aspects, la présente invention concerne des processus conférant des caractéristiques d'hydrofugation et d'oléofugation aux substrats et aux articles.
Clark John C.
Fan Wayne W.
Qiu Zai-Ming
3m Innovative Properties Company
Smart & Biggar
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