FINE-PARTICLE ALKALINE-EARTH TITANATES AND METHOD FOR THE PRODUCTION THEREOF USING TITANIUM OXIDE PA

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The invention relates to fine-particled alkaline-earth titanates and to a method for the production thereof by reacting alkaline-earth metal compounds with titanium dioxide particles. The titanium dioxide particles have a BET-surface greater than 50 m^2/g. The titanium dioxide particles can have a very low sulphate, chloride and carbon content. The reaction can take place at a temperature below 700°C. The alkaline-earth titanate can have a BET-surface of 5 - 100 m^2/g. Advantageously, it does not contain any hydroxyl groups in the crystal lattice. The alkaline-earth titanate can be used in the production of microelectronic components. © KIPO & WIPO 2007