Patent ID: 6013238
Filing Date: 2000-01-11
Classification: B22F,C01G,C01P,C04B,C08K,C22C,C30B,Y10T

Abstract:
A process for preparing a potassium aluminum titanate in the form of whiskers represented by the formulaK.sub.u Al.sub.u Ti.sub.8-u O.sub.16wherein u is a number which fulfills 0.8.ltoreq.u.ltoreq.2.5, comprising the steps of heating at a temperature of 900 to 1,300.degree. C. potassium titanate fibers coated with an aluminum compound in the presence of at least one fusing agent selected from the group consisting of chlorides of alkali metals and sulfates of alkali metals to undergo a reaction for the growth of crystals, and cooling them.