B - Operations – Transporting – 82 – B
Patent
B - Operations, Transporting
82
B
B82B 3/00 (2006.01) B29C 67/24 (2006.01) C08J 3/20 (2006.01)
Patent
CA 2548727
Process for the manufacture of a composite material (M) comprising a stage (E) according to which a dispersion (D) comprising : (a) at least one polymer, (b) at least one lamellar compound, and (c) at least one dispersing liquid, is dried by atomization. Composite material (M') comprising (a') at least one polymer, (b') at least one lamellar compound, and (d') at least 0.02 % by weight of at least one surface-active agent with respect to the weight of (a') in the dry state; composed of particles having a weight-~average diameter D50 of less than or equal to 200 ~m. Method for processing this composite material.
L'invention concerne un procédé de fabrication d'un matériau composite (M) qui comprend un étage (E) où est séchée par atomisation une dispersion (D) qui comprend: (a) au moins un polymère; (b) au moins un composé lamellaire; et (c) au moins un liquide de dispersion. L'invention concerne également un matériau composite (M') contenant: (a') au moins un polymère; (b') au moins un composé lamellaire; et (d') au moins 0,02 % en poids d'au moins un agent tensioactif, par rapport au poids de (a') à l'état sec. Ce matériau composite est constitué de particules présentant un diamètre moyen pondéré D50 <= 200 µm. L'invention concerne en outre un procédé de traitement de ce matériau composite.
Coisne Jean-Marc
Lambert Yves
Vandevyver Eric
Robic
Solvay (societe Anonyme)
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