Title:
Honeycomb structure and method for manufacturing the honeycomb structure
Document Type and Number:
Japanese Patent JP6335823
Kind Code:
B2
Abstract:
Provided is a circumference coating material that suppress a chlorine concentration and suppress an occurrence possibility of corrosion in exhaust system pipes or the like. The circumference coating material fills a recessed groove 10 that is formed on a circumferential surface 7 of a honeycomb fired body 6 and extends an axial direction at which a part of cells 3a are opened to the outside and to cover the circumferential surface, thereby forming a circumferential wall on the circumferential surface of a honeycomb structure, and the circumference coating material includes colloidal silica in a part of raw materials to be used and has a chlorine concentration of 150 ppm or less. In addition, the colloidal silica to be used has a chlorine concentration of 500 ppm or less, and the colloidal silica is produced using at least any one acid of sulfuric acid, phosphoric acid, and organic acid.
Inventors:
Youno Ohno
Yasushi Uchida
Yasushi Uchida
Application Number:
JP2015062268A
Publication Date:
May 30, 2018
Filing Date:
March 25, 2015
Export Citation:
Assignee:
Nippon Insulator Co., Ltd.
International Classes:
C04B41/85; B01D39/20; B01D46/00; B01D53/94; B01J32/00; B01J33/00; B01J35/04; B01J37/02; B01J37/08; C04B37/00; C09D7/61
Domestic Patent References:
| JP2009269763A | ||||
| JP2011194312A | ||||
| JP2004075524A | ||||
| JP2613729B2 | ||||
| JP2013203572A | ||||
| JP2012215102A | ||||
| JP1317115A | ||||
| JP61291665A |
Foreign References:
| WO2008143225A1 | ||||
| WO2011108649A1 |
Other References:
ナノマテリアル情報提供シート(材料名:非晶質コロイダルシリカ、事業者名:日産化学工業株式会社),経済産業省,2011年 3月,参考資料7.,「シリカゾルの組成分析結果例」
Attorney, Agent or Firm:
Ippei Watanabe
Shigeru Koike
Shigeru Koike