BONDING MATERIAL, PROCESS FOR PRODUCING THE SAME, AND HONEYCOMB STRUCTURE MADE WITH THE SAME
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Abstract
There is provided bonding material having a Young'"'"'s Modulus after hardening of not less than 20% of articles to be bonded, and an average linear coefficient of thermal expansion after hardening of not more than 70% of the articles to be bonded. This bonding material can suppress deformation of a honeycomb segment due to thermal stress to be generated by a bonding material layer and can suitably be used at the time of manufacturing exhaust gas trapping filters capable of reducing the generation of defects such as a crack, and above all, a diesel particulate filter (DPF) for trapping particulate matter (particulates) in exhaust gas from the diesel engine.
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Citations
38 Claims
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1-19. -19. (canceled)
- 20. A bonding material having a Young'"'"'s Modulus after hardening of not less than 20% of articles to be bonded, and an average linear coefficient of thermal expansion after hardening of not more than 70% of the articles to be bonded.
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37. A bonding material composition comprising two or more fillers and a matrix, the fillers including:
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at least one or more fillers selected from the group consisting of cordierite, beta-spodumene, amorphous silica, aluminum titanate, and zirconium phosphate; at least one or more fillers selected from the group consisting of silicon carbide, alumina, quartz, aluminum nitride, B4C, mullite, SiAlON, silicon nitride, zirconia, cordierite, aluminum titanate, zirconium phosphate, boron nitide, talc, mica, and glass flake.
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38. The bonding material composition, including at least one or more fillers and a matrix selected from the group consisting of cordierite, aluminium titanate, and zirconium phosphate.
Specification