Patent ID: 6197248
Filing Date: 2001-03-06
Classification: C01G,C04B

Abstract:
A process for preparing a powder of aluminum titanate, comprising the steps of:subjecting to pressure molding a mixture of 100 parts by weight of mixture of Al.sub.2 O.sub.3 and TiO.sub.2 at a molar ratio of the former: the latter of 1:0.95-1.05, 2 to 5 parts by weight of SiO.sub.2, 2 to 5 parts by weight of iron oxide calculated as Fe.sub.2 O.sub.3 and 1 to 3 parts by weight of a powder of an organic substance to give a molded product;sintering the molded product at a temperature of 1600 to 1700.degree. C. in a closed container; andpulverizing the molded product.