Apparatus and method for producing porous polymer particles

Details Apparatus and method for producing porous polymer particles Apparatus and method for producing porous polymer particles

C - Chemistry, Metallurgy

08

J

C08J 3/12 (2006.01) B01J 2/02 (2006.01) B01J 2/04 (2006.01) B29B 9/00 (2006.01)

Patent

CA 2417285

An apparatus and method for producing porous polymer particles is disclosed. The apparatus includes a rotating atomizer wheel (39) onto which a uniform thin layer of a polymer may be applied via a distributor (40), followed by the movement of the polymer to the periphery of the wheel due to centrifugal force and the subsequent release of free flying particles at the periphery of the wheel. The apparatus further includes a catch tray (14) to collect the porous polymer particles produced and an enclosure defining a partition between an interior environment and an exterior environment of the apparatus. The enclosure includes an aperture allowing a gaseous exchange between the interior and exterior environments.

La présente invention concerne un appareil et un procédé de production de particules de polymère poreuses. Cet appareil comprend une roue (39) tournante atomiseur sur laquelle on peut appliquer une fine couche uniforme d'un polymère via un distributeur (40), suit alors le déplacement de ce polymère vers la périphérie de cette roue sous l'effet de la force centrifuge et la libération subséquente de particules libres volantes à la périphérie de cette roue. Cet appareil comprend aussi un plateau de récupération (14) destiné à recueillir les particules de polymère poreuses produites et une enceinte définissant une séparation entre un environnement intérieur et un environnement extérieur de cet appareil. Cette enceinte comprend une ouverture permettant un échange gazeux entre les environnements intérieur et extérieur.

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