METHOD FOR MANUFACTURING HONEYCOMB STRUCTURE

Title:

METHOD FOR MANUFACTURING HONEYCOMB STRUCTURE

Document Type and Number:

WIPO Patent Application WO/2004/018174

Kind Code:

A1

Abstract:

A method for manufacturing a honeycomb structure wherein a formed article of a honeycomb shape having a plurality of partition walls is manufactured by the use of a body containing a ceramic raw material as a main component, a partition wall reinforcing agent is attached to said plurality of partition walls present in end portions of cell openings on at least one side of the formed article, and then the article is fired, which comprises using, as the partition wall reinforcing agent, a dispersion prepared by admixing a partition wall reinforcing material with a dispersion medium containing an amphipathic liquid compound having both a hydrophilic group and a hydrophobic group as a main component. The method allows the stable manufacture of a honeycomb structure excellent in isostatic strength and erosion resistance, with great improvement of productivity and significant lowering of the production cost thereof.

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Inventors:

HIRAI SADAAKI (JP)

Application Number:

PCT/JP2003/009182

Publication Date:

March 04, 2004

Filing Date:

July 18, 2003

Export Citation:

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Assignee:

NGK INSULATORS LTD (JP)
HIRAI SADAAKI (JP)

International Classes:

B01D53/86; B01D53/88; B01J35/04; B28B11/04; C04B35/195; F01N3/28; (IPC1-7): B28B11/04; B01J35/04

Domestic Patent References:

WO2003024893A1

2003-03-27

Foreign References:

JP2003145523A	2003-05-20
US6242072B1	2001-06-05

Other References: