Verfahren zur Herstellung einer Wabenstruktur

Details

Veröffentlichungs-Nr.

EP2784043

Aktenzeichen

EP14162369

Anmeldetag

28. März 2014

Veröffentlichung

27. Juni 2018

Erteilung

27. Juni 2018

Rechtsraum

EP

IPC

C04B35/195C04B38/00

Abstract

Provided is a technique to manufacture a honeycomb structure reducing a width of dimensional difference generated during firing between an end part and a central part in the cell extending direction and having excellent thermal shock resistance, and the method includes: a honeycomb formed body preparing step of extruding a kneaded material including a cordierite forming raw material A, to prepare a honeycomb formed body; a plugged honeycomb formed body preparing step of filling cell openings of the honeycomb formed body with a plugging material which includes a forming raw material containing a cordierite forming raw material B and resin balloon of 1.0 to 15 mass% and has a difference in firing shrinkage rate of -1.0 to +2.0% from the honeycomb formed body, to prepare a plugged honeycomb formed body; and a honeycomb structure preparing step of firing the prepared plugged honeycomb formed body, to prepare a honeycomb structure provided with porous plugged portions at an one end part of a predetermined cell and at another end part of a remaining cell.

Anmelder

Firma

NGK Insulators, Ltd.

Land

🇯🇵 Japan

Fachgebiete