C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 38/00 (2006.01) C04B 38/06 (2006.01)
Patent
CA 2619598
An organic additive is removed from a ceramic honeycomb by an improved method by contacting each end of the extruded honeycomb with a member that has a gas permeability no greater than the outer wall, the member essentially covering the ends and heating the honeycomb to a temperature sufficient to remove the organic additive.
La présente invention concerne un procédé amélioré selon lequel un additif organique est éliminé d'une structure alvéolaire céramique par la mise en contact de chaque extrémité d'une structure alvéolaire extrudée au moyen d'un organe présentant une perméabilité aux gaz égale ou inférieure à la paroi extérieure et l'organe recouvrant sensiblement les extrémités et par le chauffage de la structure alvéolaire à une température suffisante.
Han Chan
Henley John Porter
Patel Avani Maulik
Prunier Arthur Richard Jr.
Dow Global Technologies Inc.
Dow Global Technologies Llc
Smart & Biggar
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