Patent ID: 6022986
Filing Date: 2000-02-08
Classification: B01J,C01B,C01G,C01P,C11D,D21C

Abstract:
A catalytically active manganese-containing polyoxometallate of the formula (1) which activates peroxidic compounds and/or oxygen(Q).sub.q (Mn.sub.p A.sub.a X.sub.x Y.sub.y M.sub.m O.sub.d Z.sub.z (H.sub.2 O).sub.b)cH.sub.2 O (1)where the symbols Q, A, X, Y, M, Z, q, p, a, b, x, y, m, d, z and c have the following meanings:Q is one or more cations selected from the group consisting of H, Li, K, Na, Rb, Cs, Ca, Mg, Sr, Ba, Al, PR.sup.1 R.sup.2 R.sup.3 R.sup.4, and NR.sup.1 R.sup.2 R.sup.3 R.sup.4 where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 =H or C.sub.1 -C.sub.20 -alkyl, C.sub.5 -C.sub.8 cycloalkyl or aryl;the index q is in the range from 1 to 60, and, for monovalent countercations, at the same time indicates the charge of the anionic unit;Mn is manganese;the index p is in the range from 0.1 to 10;A is a heterometal and is one more transition metals from transition groups II to VIII apart from Zn,;the index a is in the range from 0 to 10;X is one or more elements selected from the group consisting of Ga, B, P, Si, Ge, As, F, Cl, Br and I;the index x is in the range from 0 to 10;Y is Sb, S, Te, Se and Bi;the index y is in the range from 0.1 to 10;M is one or more transition metals selected from the group consisting of Mo, W, Nb, Ta and V;the index m is in the range from 0.5 to 60;Z is one or more anions selected from the group consisting of OH.sup.-, F.sup.-, Cl.sup.-, Br.sup.-, I.sup.-, N.sub.3.sup.-, NO.sub.3.sup.-, ClO.sub.4.sup.-, NCS.sup.-, SCN.sup.-, PF.sub.6.sup.-, RSO.sub.3.sup.-, RSO.sub.4.sup.-, CF.sub.3 SO.sub.3.sup.-, BR.sub.4.sup.-, BF.sub.4.sup.-, OAc.sup.-, where 'R=H, C.sub.1 -C.sub.20 -alkyl, C.sub.5 -C.sub.8 -cycloalkyl or aryl;the index z is in the range from 0 to 10;the index d is the number of oxygen atoms necessary to balance the charge andb and c are numbers in the range from 0 to 50.