Pore size control in cordierite ceramic

Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...

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106 62, C04B 3506

Patent

active

039501752

ABSTRACT:
Coarse porosity is imposed in fired ceramic bodies containing cordierite (2MgO.2Al.sub.2 O.sub.3.5SiO.sub.2) primary phase by substituting pyrophillite, kyanite, quartz, or fused silica in the batch composition in place of the usual raw talc or clay or a portion thereof.

REFERENCES:
patent: 2103746 (1937-12-01), Guth
patent: 2271845 (1942-02-01), Parsons
patent: 2731355 (1956-01-01), Skinner
patent: 3150988 (1964-09-01), Dess et al.
patent: 3150989 (1964-09-01), Parsons
patent: 3199992 (1966-08-01), Moffitt
patent: 3271323 (1966-09-01), Whittemore
patent: 3341339 (1967-09-01), Stein
patent: 3649315 (1972-03-01), Booth

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