Title:
HONEYCOMB STRUCTURE AND EXHAUST GAS PURIFICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/198999
Kind Code:
A1
Abstract:
The present invention provides a honeycomb structure which has high NOx purification performance, high mechanical strength, and a low thermal expansion coefficient, even when the honeycomb structure is not impregnated or coated with a zeolite-containing solution after being manufactured. Provided is a honeycomb structure 11 shaped such that a plurality of cells 12 extending from one end face 11a to the other end face 11b along the longitudinal direction X are partitioned by cell walls 13, the honeycomb structure 11 including a sintered body of a raw material mixture which contains, in terms of oxides, 10-40 mol% of zeolite and potassium, 2.5-20 mol% of an element A which is at least one selected from among alkaline earth metals, 10-40 mol% of aluminum, 2.5-20 mol% of an element M which is at least one among titanium and iron, and 1-75 mol% of silicon.
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Inventors:
UETANI MASATOSHI (JP)
MISHIMA TAKAHIRO (JP)
MISHIMA TAKAHIRO (JP)
Application Number:
PCT/JP2018/016402
Publication Date:
November 01, 2018
Filing Date:
April 23, 2018
Export Citation:
Assignee:
OTSUKA CHEMICAL CO LTD (JP)
International Classes:
C04B38/00; B01D53/94; B01J29/40; B01J29/46; B01J35/04; C04B35/18; C04B38/08; F01N3/022; F01N3/28
Domestic Patent References:
| WO2015029853A1 | 2015-03-05 | |||
| WO2012046577A1 | 2012-04-12 | |||
| WO2014104179A1 | 2014-07-03 |
Foreign References:
| JP2005046667A | 2005-02-24 |
Attorney, Agent or Firm:
MIYAZAKI & METSUGI (JP)
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