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A platform for research: civil engineering, architecture and urbanism
METHOD FOR MANUFACTURING HONEYCOMB STRUCTURED BODY
PROBLEM TO BE SOLVED: To provide a method for manufacturing a honeycomb structured body for obtaining a honeycomb structured body having a pore structure which has a high mechanical strength and presents a sharp pore distribution curve.SOLUTION: A method for manufacturing a honeycomb structured body made of aluminum titanate includes: a molding step of obtaining a honeycomb molded body by molding the raw material composition containing alumina particles and titania particles; and a firing step of obtaining the honeycomb structured body by firing the above honeycomb molded body, in which the above alumina particles contain a fine-grained alumina having a D50 of 0.1-5.0 μm and a coarse grained-alumina having a D50 of 10-40 μm, and the compounding ratio of the fine-grained alumina to the coarse-grained alumina in terms of weight, fine-grained alumina: coarse-grained alumina=0.5:9.5 to 3:7.SELECTED DRAWING: Figure 5
【課題】機械的強度が高く、気孔分布曲線の形状がシャープである気孔構造を有するハニカム構造体を得るためのハニカム構造体の製造方法を提供すること。【解決手段】アルミナ粒子及びチタニア粒子を含む原料組成物を成形してハニカム成形体を得る成形工程と、上記ハニカム成形体を焼成してハニカム構造体を得る焼成工程を含むハニカム構造体の製造方法であって、上記アルミナ粒子は、Ｄ５０が０．１〜５．０μｍのアルミナ微粒子と、Ｄ５０が１０〜４０μｍのアルミナ粗粒子を含み、上記アルミナ微粒子と上記アルミナ粗粒子の配合比が、重量比で、アルミナ微粒子：アルミナ粗粒子＝０．５：９．５〜３：７であることを特徴とする、チタン酸アルミニウム製ハニカム構造体の製造方法。【選択図】図５
METHOD FOR MANUFACTURING HONEYCOMB STRUCTURED BODY
PROBLEM TO BE SOLVED: To provide a method for manufacturing a honeycomb structured body for obtaining a honeycomb structured body having a pore structure which has a high mechanical strength and presents a sharp pore distribution curve.SOLUTION: A method for manufacturing a honeycomb structured body made of aluminum titanate includes: a molding step of obtaining a honeycomb molded body by molding the raw material composition containing alumina particles and titania particles; and a firing step of obtaining the honeycomb structured body by firing the above honeycomb molded body, in which the above alumina particles contain a fine-grained alumina having a D50 of 0.1-5.0 μm and a coarse grained-alumina having a D50 of 10-40 μm, and the compounding ratio of the fine-grained alumina to the coarse-grained alumina in terms of weight, fine-grained alumina: coarse-grained alumina=0.5:9.5 to 3:7.SELECTED DRAWING: Figure 5
【課題】機械的強度が高く、気孔分布曲線の形状がシャープである気孔構造を有するハニカム構造体を得るためのハニカム構造体の製造方法を提供すること。【解決手段】アルミナ粒子及びチタニア粒子を含む原料組成物を成形してハニカム成形体を得る成形工程と、上記ハニカム成形体を焼成してハニカム構造体を得る焼成工程を含むハニカム構造体の製造方法であって、上記アルミナ粒子は、Ｄ５０が０．１〜５．０μｍのアルミナ微粒子と、Ｄ５０が１０〜４０μｍのアルミナ粗粒子を含み、上記アルミナ微粒子と上記アルミナ粗粒子の配合比が、重量比で、アルミナ微粒子：アルミナ粗粒子＝０．５：９．５〜３：７であることを特徴とする、チタン酸アルミニウム製ハニカム構造体の製造方法。【選択図】図５
METHOD FOR MANUFACTURING HONEYCOMB STRUCTURED BODY
ハニカム構造体の製造方法
HIGUCHI TATSUHIRO (author) / YOSHIKAWA KYOHEI (author)
2018-10-04
Patent
Electronic Resource
Japanese
METHOD FOR PRODUCING HONEYCOMB DRIED BODY AND METHOD FOR MANUFACTURING HONEYCOMB STRUCTURED BODY
| European Patent Office | 2015