Title:
MANUFACTURE OF POROUS CERAMIC MOLDINGS
Document Type and Number:
Japanese Patent JPS56145153
Kind Code:
A
Abstract:
A process for the production of a porous ceramic mold is described, compsiging adding about 40 to 60 parts by weight of water to 100 parts by weight of a ceramic material, mixing the thus-formed ceramic slurry with about 20 to 40 parts by weight of a hydrophilic urethane prepolymer having a free isocyanate group content of from about 4% to 7% by weight, reacting and foaming the resulting mixture after the introduction thereof into a mold, drying the thus-formed foamed urethane molded article, and combusting very slowly and sintering the dried foamed urethane molded article to produce a porous ceramic molded article.
Inventors:
FUKUSHIMA SHIGEYOSHI
MIZUNO MASAAKI
KOGA HIDEAKI
MIZUNO MASAAKI
KOGA HIDEAKI
Application Number:
JP2825680A
Publication Date:
November 11, 1981
Filing Date:
March 05, 1980
Export Citation:
Assignee:
TOYO TIRE & RUBBER CO
International Classes:
B01D39/20; B01J20/02; B01J20/28; B01J37/00; C04B38/06; (IPC1-7): C04B21/00