B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/12 (2006.01) B01D 39/08 (2006.01) B01D 39/16 (2006.01) B01D 39/20 (2006.01) B01D 67/00 (2006.01) D06M 15/227 (2006.01) D06M 15/277 (2006.01) D06M 15/295 (2006.01) D06M 15/356 (2006.01) D06M 15/576 (2006.01) D06M 23/08 (2006.01) D06N 3/04 (2006.01) D06N 7/00 (2006.01)
Patent
CA 2183345
Laminates of fabric and microporous polymeric substrates are taught which have enhanced oleophobic and hydrophobic properties. The enhanced properties are obtained by contacting the laminate or any of its components with an aqueous dispersion of polymer particles of an organic polymer having pendent fluorinated alkyl groups and in which the particle are very small, being on the order of 0.01-0.1 micrometer. The small size promotes uniformity of coating when the laminate or components are coated with the dispersion and then heated to flow the particles together.
Stratifiés de tissu et de substrats polymères microporeux présentant des propriétés oléophiles et hydrophobes améliorées. Ces propriétés améliorées sont obtenues par mise en contact du stratifié ou de n'importe lequel de ses composants avec une dispersion aqueuse de particules d'un polymère organique qui a des groupes alkyle fluorés pendants, ces particules étant très petites, de l'ordre de 0,01 à 0,1 µm. La petite taille favorise l'uniformité du revêtement lorsque le stratifié ou ses composants reçoivent un revêtement comportant la dispersion et qu'ils sont ensuite chauffés pour fusionner les particules ensemble.
Gowling Lafleur Henderson Llp
W. L. Gore & Associates Inc.
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