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US 2009/0014925 A1Published application
Method for manufacturing ceramic structure
AssigneeNGK Insulators, Ltd.
InventorsYasushi Noguchi, Kyoko Makino, Shuuji Ueda
Life of this patent
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Abstract
A method for manufacturing a porous ceramic structure which comprises: mixing a ceramic material, a foamed resin and, if necessary, a forming auxiliary; forming the mixture; and then firing the thus formed body, wherein: a resin of an outer shell of the foamed resin is constituted of a copolymer containing 60 wt % or more of acrylonitrile and 40 wt % or less of methyl methacrylate.
Claims21
1-11. (canceled)
A method for manufacturing a porous ceramic structure which comprises:
- mixing a ceramic material, a foamed resin and, if necessary, a forming auxiliary;
- forming the mixture;
- and then firing the thus formed body, wherein:
- as the foamed resin, there is used a material in which the weight of a gas included in the foamed resin stored at 40° C. for 4 weeks is 8% or more of the weight of the foamed resin.
1 more element
A method for manufacturing a porous ceramic structure which comprises:
- mixing a ceramic material, a foamed resin and, if necessary, a forming auxiliary;
- forming the mixture;
- and then firing the thus formed body, wherein:
- as the foamed resin, there is used a material in which a weight decrease ratio of a gas included in the foamed resin stored at 40° C. for 4 weeks is 30% or less with respect to the weight of the gas before stored.
1 more element
Dependencies are inferred from the claim text.