Title:
ハニカムフィルタ
Document Type and Number:
Japanese Patent JP7449720
Kind Code:
B2
Abstract:
A honeycomb filter includes a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells and a plugging portion, wherein the partition wall is composed of a material containing cordierite as a main component thereof, porosity of the partition wall measured by a mercury press-in method is 60 to 68%, an average pore diameter of the partition wall measured by a mercury press-in method is 19 to 26 μm, and in a pore diameter distribution indicating a cumulative pore volume of the partition wall measured by a mercury press-in method, with a pore diameter (μm) on an abscissa axis and a log differential pore volume (cm3/g) on an ordinate axis, a first peak including a maximum value of the log differential pore volume has a pore diameter value of 18 μm or less, the pore diameter value corresponding to a ⅓ value width of the maximum value.
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Inventors:
Fumihiko Yoshioka
Yuji Sasaki
Aimiko Kishine
Sachiko Ishida
Kyohei Kato
Yuji Sasaki
Aimiko Kishine
Sachiko Ishida
Kyohei Kato
Application Number:
JP2020034882A
Publication Date:
March 14, 2024
Filing Date:
March 02, 2020
Export Citation:
Assignee:
Nippon Insulator Co., Ltd.
International Classes:
B01D39/20; B01D46/00; B01D53/94; B01J35/57; C04B35/195; C04B38/00; C04B38/06
Domestic Patent References:
| JP2018149510A | ||||
| JP2007285295A | ||||
| JP2011078899A |
Foreign References:
| WO2015046242A1 |
Attorney, Agent or Firm:
Ippei Watanabe
Sei Koike
Sei Koike