Process for manufacturing a ceramic foam body

Details Process for manufacturing a ceramic foam body Process for manufacturing a ceramic foam body

1990-07-18

1991-11-19

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With step of cooling to a temperature of zero degrees c. or...

264 44, 264 58, 264154, B05B 300, B29C 6500

Patent

active

050664328

ABSTRACT:
The process for manufacturing an open pore foam body with three dimensional ceramic network, in particular as a filter for the treatment of hot gases or as a catalyst substrate, has as its starting material a block of open pore plastic foam. This is impregnated at least once with a ceramic suspension, freed of excess ceramic suspension and heated to a temperature below the melting point of the plastic, then finally burnt off at a temperature at which the ceramic sinters together. The plastic foam block of the prescribed outer dimensions is cooled down and machined to produce a Z-flow filter with high precision longitudinal channels.

REFERENCES:
patent: 3112184 (1963-11-01), Hollenbach
patent: 4643749 (1987-02-01), Miura
Patent Abstracts of Japan--58-92549, 8/24/83.
Patent Abstracts of Japan--for Japanese Patent 58-94943--dated 8-27-83.
Chemical Abstracts--vol. 98, No. 16--1983--Abstract No. 131218y.

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