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    • 10. 发明授权
    • Methods of preparing cationic layer compounds, cationic layer compounds prepared thereby, and methods of use therefor
    • 制备阳离子层化合物的方法,由此制备的阳离子层化合物及其使用方法
    • US06362261B1
    • 2002-03-26
    • US09555752
    • 2000-10-02
    • Ilona LangeJoerg-Dieter KlamannPeter DauteJuergen FoellPeter WedlStefan Kuepper
    • Ilona LangeJoerg-Dieter KlamannPeter DauteJuergen FoellPeter WedlStefan Kuepper
    • C08K300
    • C01F7/005
    • A method of preparing a modified cationic layer compound which includes providing a layer compound of the general formula (I): [EeZzDdVv(OH−)x](An−)a.qH2O  (I) wherein E represents one or more monovalent alkali metal cations, e represents a number of from 0 to about 2, Z represents one or more divalent metal cations, z represents a number of from 0 to about 6, D represents one or more trivalent metal cations, d represents a number of from 0 to about 3, V represents one or more tetravalent metal cations, v represents a number of from 0 to about 1, (An−) represents an acid anion wherein n represents an integer of from 1 to 3, q represents a number of from about 1 to about 10, and wherein x>a and e+2z+3d+4v=x+na; subjecting the layer compound to crystallization to provide a resultant material; and subjecting the resultant material to steam drying at a temperature of from about 200° C. to about 260° C. for a period of time of from about 3 to about 6 hours, said steam drying comprising passing a source of steam continuously over the resultant material at a rate of from about 0.001 to about 10 moles of water per hour, per kilogram of the resultant material; is described. Cationic layer compounds made by the disclosed process, and uses therefor, are also described.
    • 一种制备改性阳离子层化合物的方法,其包括提供通式(I)的层化合物:其中E表示一个或多个一价碱金属阳离子,e表示0至约2的数,Z表示一个或多个 二价金属阳离子,z表示0至约6的数,D表示一种或多种三价金属阳离子,d表示0至约3的数,V表示一种或多种四价金属阳离子,v表示 0至约1,(An-)表示酸阴离子,其中n表示1至3的整数,q表示约1至约10的数,并且其中x> a和e + 2z + 3d + 4v = x + na; 使层化合物进行结晶以提供所得材料; 并将所得材料在约200℃至约260℃的温度下蒸汽干燥约3至约6小时的时间段,所述蒸汽干燥包括将蒸汽源连续地通​​过所述蒸汽源 每千克所得材料以约0.001至约10摩尔水/小时的速率获得所得材料; 被描述。 还描述了通过公开的方法制备的阳离子层化合物及其用途。