Adsorbing material comprised of porous functional solid...

B - Operations – Transporting – 01 – J

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B01J 20/18 (2006.01) B01D 53/02 (2006.01) B01D 53/04 (2006.01) B01D 53/28 (2006.01) B01J 20/26 (2006.01) B01J 20/28 (2006.01) C02F 1/42 (2006.01) F25B 43/00 (2006.01)

Patent

CA 2472147

The present invention relates to an adsorbing material which comprises at least one porous functional solid, e.g. a zeolite, incorporated in a polymer matrix. The adsorbing material contains the porous functional solid in an amount of 45 to 80 wt. %. The polymer matrix comprises at least one organic polymer, particularly selected from thermoplastics, and has a secondary pore volume in addition to the primary pore volume of the porous functional solid. Further, the present invention is directed to a shaped article, which comprises or consists of the afore-mentioned adsorbing material, to a method for its preparation and to its use. The present invention is finally conerned with the use of specific rheological additives, in particular waxy components, which function as pore-forming agents in the preparation of shaped articles.

La présente invention se rapporte à un matériau adsorbant qui comprend au moins un constituant solide fonctionnel poreux, par exemple une zéolite, incorporé dans une matrice polymère. Le matériau adsorbant contient le constituant solide fonctionnel poreux suivant une quantité comprise entre 45 et 80 % en poids. La matrice polymère renferme au moins un polymère organique, plus particulièrement sélectionné parmi les thermoplastiques et présente un volume de vide secondaire qui s'ajoute au volume de vide primaire du constituant solide fonctionnel poreux. La présente invention concerne également un article façonné qui comprend le matériau adsorbant selon l'invention, un procédé de préparation de ce dernier et son utilisation. Cette invention concerne, en dernier lieu, l'utilisation d'additifs rhéologiques spécifiques, notamment des constituants cireux qui se comportent en tant qu'agents porogènes dans la préparation d'articles façonnés.

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