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METHOD FOR PRODUCING ANION-EXCHANGING LAYERED DOUBLE HYDROXIDE AND METHOD FOR SUBSTITUTING CARBONATE ION OF LAYERED DOUBLE HYDROXIDE

机译:阴离子交换层状双氢氧化物的制备方法和层状双氢氧化物的碳酸根离子置换方法

摘要

A method for producing an anion-exchanging LDH using a carbonate ion-type layered double hydroxide represented by general formula QaT(OH)z(CO32−)0.5-b/2(X)b.nH2O (where 1.8≦a≦4.2, z=2(a+1), 0≦b0.5, 0≦n≦5, Q represents divalent metal, T represents trivalent metal, and X is an element or atom group that turns to monovalent anion) as a starting material, with value b increased at least to 0.5 and a maximum of 1, wherein the carbonate ion-type layered hydroxide is made to contact an alcoholic solution containing an acidic compound (MXm) (where m=1, 2, or 3; when m=1, M is H or NRR′R″.H, with R, R′, and R″ being H or organic group; and when m=2 or 3, M is a metal salt, namely a divalent or trivalent metal).
机译:一种使用通式Q a T(OH) z (CO 3 <表示)的碳酸根离子型层状双氢氧化物制备阴离子交换LDH的方法/Sub>2-)0.5-b/2(X-)b.nH2 (其中1.8≤a≤4.2,z = 2(a + 1),0≤b<0.5,0≤n≤5,Q表示二价金属,T表示三价金属,X - 是一种元素或原子团,它转变为单价阴离子),其b值至少增加到0.5,最大值为1,其中使碳酸根离子型层状氢氧化物与醇溶液接触含有酸性化合物(MX m )(其中m = 1、2或3;当m = 1时,M为H或NRR'R''。H,带有R,R'和R ”是H或有机基团;并且当m = 2或3时,M是金属盐,即二价或三价金属)。

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