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    • 6. 发明公开
    • Honeycomb structure and manufacturing method of the same
    • 蜂窝结构及其制造方法
    • EP2682173A1
    • 2014-01-08
    • EP12175431.1
    • 2012-07-06
    • NGK Insulators, Ltd.
    • Kikuchi, Yoshio
    • B01D46/00B01D46/24F01N3/022
    • B01D46/0001B01D46/2425B01D46/2429B01D2046/2433B01D2046/2437B01D2046/2496B01D2279/30B28B11/006C04B35/195C04B35/62222C04B38/0009C04B2111/00405C04B2111/00793C04B2235/3217C04B2235/3445C04B2235/349F01N3/0222C04B38/0067C04B38/067
    • There is disclosed a honeycomb structure which can suppress the increases of an initial pressure loss. There is provided a honeycomb structure including a honeycomb base material including a porous partition wall parent material to partition and form a plurality of cells which become through channels of a fluid; plugged portions arranged in open frontal areas of predetermined cells in an end surface on an inflow side of the fluid and open frontal areas of the remaining cells in an end surface on an outflow side of the fluid; and a porous collecting layer disposed on the surface of the partition wall parent material in the remaining cells. A melting point of a material constituting the collecting layer is higher than that of a material constituting the partition wall parent material, a pore surface area per unit volume of the collecting layer is 2.0 times or more a pore surface area per unit volume of the partition wall parent material, and a thickness of a portion of the collecting layer which penetrates into pores of the partition wall parent material is 6% or smaller of that of each of partition walls including the partition wall parent material and the collecting layer.
    • 公开了可以抑制初始压力损失的增加的蜂窝结构。 本发明提供一种蜂窝结构体,该蜂窝结构体具备:包含多孔质隔壁母材的蜂窝基材,将多个单元分隔成多个流体通道, 在所述流体的流入侧的端面中的预定单元的敞开的正面区域中布置的堵塞部分,并且在所述流体的流出侧的端面中的剩余单元的正面区域打开; 以及设置在其余单元中的分隔壁母材表面上的多孔收集层。 构成收集层的材料的熔点高于构成分隔壁母材的材料的熔点,收集层的每单位体积的孔表面积是每单位体积分隔壁的孔表面积的2.0倍以上 渗入分隔壁母材的孔中的收集层的一部分的厚度为包括分隔壁母材和收集层的每个分隔壁的厚度的6%或更小。