Title:
INORGANIC FIBER FORMED BODY, MAT FOR EXHAUST GAS PURIFICATION DEVICE, AND EXHAUST GAS PURIFICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/025058
Kind Code:
A1
Abstract:
Provided are: an inorganic fiber formed body in which high surface pressure and excellent peeling strength are balanced; a mat for an exhaust gas purification device using the inorganic fiber formed body; and the exhaust gas purification device. An inorganic fiber formed body constituted from inorganic fibers, having needle indentations extended in the thickness direction, vertical strands comprising the inorganic fibers extended in the thickness direction being present in the needle indentations, wherein the inorganic fiber formed body is characterized in that the average volume of the vertical strands per needle indentation, measured using a specified peel test, is 1.0 mm3 or more, or the average volume per vertical strand is 3.0 mm3 or more.
Inventors:
KIMURA YUSUKE (JP)
MORITA HIROKAZU (JP)
KAWAHARA KAZUNORI (JP)
MORITA HIROKAZU (JP)
KAWAHARA KAZUNORI (JP)
Application Number:
PCT/JP2020/029993
Publication Date:
February 11, 2021
Filing Date:
August 05, 2020
Export Citation:
Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
D04H1/4209; B01D53/94; D04H1/46; F01N3/28
Domestic Patent References:
| WO2011055736A1 | 2011-05-12 | |||
| WO2009133613A1 | 2009-11-05 | |||
| WO2004003276A1 | 2004-01-08 |
Foreign References:
| JPH06299450A | 1994-10-25 | |||
| JPH06509849A | 1994-11-02 | |||
| JP2017110564A | 2017-06-22 | |||
| JP2602460B2 | 1997-04-23 | |||
| JP2000080547A | 2000-03-21 | |||
| JP2019144390A | 2019-08-29 | |||
| JP2020092409A | 2020-06-11 |
Other References:
See also references of EP 4012085A4
Attorney, Agent or Firm:
SHIGENO, Tsuyoshi et al. (JP)
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