Binder removal method from a green ceramic form

Details Binder removal method from a green ceramic form Binder removal method from a green ceramic form

C - Chemistry, Metallurgy

04

B

C04B 33/32 (2006.01) C04B 35/638 (2006.01) C04B 35/64 (2006.01)

Patent

CA 2411890

A method of removing an organic binder from a green ceramic form in which a green ceramic form is subjected to a flowing carbon dioxide containing atmosphere having a sufficiently low oxygen content to allow about 60 % or more of the organic binder to be oxidized by carbon dioxide. The green ceramic form is heated to the oxidation temperature at a rate greater than about 0.1 ~C and is maintained under oxidizing temperature conditions until at least about 90 % of the organic binder oxidizes.

L'invention concerne un procédé d'élimination d'un liant organique d'une structure en céramique verte, laquelle est soumise à une atmosphère contenant du dioxyde de carbone en écoulement possédant une quantité d'oxygène suffisamment faible pour permettre l'oxydation par dioxyde de carbone d'au moins environ 60 % du liant organique. La structure en céramique verte est chauffée à la température d'oxydation à un taux supérieur à environ 0,1 ·C/min et maintenue à des températures d'oxydation jusqu'à ce qu'au moins environ 90 % du liant organique soit oxydé.

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