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US 4,732,749 AGranted
Method of manufacturing longer fibers of potassium titanate
AssigneeKyushu Refractories Co., Ltd.
InventorsAkira Watanabe, Yoshimitsu Takeuchi, Gouji Saeki, Megumu Shimomi
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Abstract
Long potassium titanate fibers (100-3000 .mu.m) made by heat reaction in gas permeable calcination vessel, made of material containing at least 25 wt %, preferably at least 50 wt %, MgO to prevent plugging of the vessel during the reaction and maintain gas permeation.
Claims3
A method of manufacturing potassium titanate fibers comprising:
- (a) placing a mixture of titanium- and potassium-containing compounds in a gas-permeable calcination vessel;
- and
- (b) heat reacting said mixture;
- wherein said vessel comprises at least 25 wt. % MgO.
1 more element
Dependencies are inferred from the claim text.