Synthetic hollow microspheres

Details Synthetic hollow microspheres Synthetic hollow microspheres

B - Operations, Transporting

01

J

B01J 13/04 (2006.01) C03C 11/00 (2006.01) C04B 18/02 (2006.01) C04B 18/08 (2006.01) C04B 20/00 (2006.01) C04B 28/02 (2006.01) C04B 38/00 (2006.01)

Patent

CA 2495696

This invention relates to a method of forming a synthetic hollow microsphere comprising the steps of preparing an agglomerate precursor, said agglomerate precursor including a primary component and a blowing agent; and firing the precursor at a predetermined temperature profile sufficient to seal the surface of the precursor and activate the blowing agent thereby forming a synthetic hollow microsphere, wherein the primary component comprises at least one aluminosilicate material. Synthetic hollow microspheres made by this method and uses thereof are also described.

L'invention concerne un procédé permettant de former une microsphère creuse synthétique et comprenant les étapes consistant à préparer un précurseur d'agglomérat renfermant un composant principal et un agent gonflant; et à chauffer le précurseur à un profil de température prédéterminé permettant de sceller la surface du précurseur et d'activer l'agent gonflant, formant ainsi une microsphère creuse synthétique, le composant principal comprenant au moins un matériau d'aluminosilicate. L'invention concerne également des microsphères creuses synthétiques conçues au moyen de ce procédé et des utilisations de celles-ci.

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