Production method of cordierite ceramic honeycomb structure

Details Production method of cordierite ceramic honeycomb structure Production method of cordierite ceramic honeycomb structure

1998-08-11

2000-09-12

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264630, 264631, 26417712, C04B 35632, C04B 35195

Patent

active

061173770

ABSTRACT:
A production method of a cordierite ceramic honeycomb structure is provided. 0.1 to 2% by weight of a nonionic polyether lubricant, obtained by adding ethylene oxide and propylene oxide to polyhydric alcohol with an ethylene oxide:propylene oxide ratio of 10:90 to 100:0 by weight, is added to the cordierite material batch for extruding. The honeycomb structure has a thin partition wall, and is suitable for the mass production by improving the formability (in particular, the lubricity and the shape stability) in extruding.

REFERENCES:
patent: 4353854 (1982-10-01), Oyamada et al.
patent: 4745092 (1988-05-01), Prunier
patent: 5021373 (1991-06-01), Mitchell et al.
The Condensed Chemical Dictionary, 6.sup.th Edition, 1961, Reinhold Pub. Corp., New York, p. 912.

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