Hydroxide containing double metal cyanide (DMC) catalysts
AssigneeBayer Antwerp N.V.
InventorGeorge G. Combs
Life of this patent
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Abstract
The present invention provides a crystalline, hydroxide containing double metal cyanide (DMC) catalyst of the formulae (I) or (II), M1x[M2(CN)6]yOH.L (I) M1x[M2(CN)6]y.zM1(OH)q.L (II) wherein M1 represents a metal selected from Zn+2, Fe+2, Ni+2, Mn+2, Co+2, Sn+2, Pb+2, Fe+3, Mo+4, Mo+6, Al+3, V+4, V+5, Sr+2, W+4, W+6, Cu+2 and Cr+3, M+2 represents a metal selected from Fe+2, Fe+3, Co+2, Co+3, Cr+2, Cr+3, Mn+2, Mn+3, Ir+3, Ni+2, Rh+3, Ru+2, V+4 and V+5, L represents an organic ligand and x, y and q are chosen to maintain electroneutrality. Further provided are processes for the production of the inventive DMC catalysts. The crystalline, hydroxide containing DMC catalysts of the present invention may find use in the preparation of polyols, such as polyether polyols.
Claims32
A hydroxide containing double metal cyanide (DMC) catalyst of the formulae (I) or (II),
- M1x[M2(CN)6]yOH.L (I)
- M1x[M2(CN)6]y.zM1(OH)q.L (II)
- wherein
- M1 represents a metal selected from the group consisting of Zn+2, Fe+2, Ni+2, Mn+2, Co+2, Sn+2, Pb+2, Fe+3, Mo+4, Mo+6, Al+3, V+4, V+5, Sr+2, W+4, W+6, Cu+2 and Cr+3,
- M2 represents a metal selected from the group consisting of Fe+2, Fe+3, Co+2, Co+3, Cr+2, Cr+3, Mn+2, Mn+3, Ir+3, Ni+2, Rh+3, Ru+2, V+4 and V+5,
- L represents an organic ligand,
- x, y, and q are chosen to maintain electroneutrality, and
- wherein the catalyst is crystalline.
A process of making a hydroxide containing double metal cyanide (DMC) catalyst of the formulae (I) or (II),
- M1x[M2(CN)6]yOH.L (I)
- M1x[M2(CN)6]y.zM1(OH)q.L (II)
- said process comprising the steps of:
- reacting a M1 containing oxide with a M2 containing hexacyanometallate or hexacyanometallic acid in the presence of an organic ligand, L, and water;
- and
- collecting the crystalline catalyst,
- wherein
- M1 represents a metal selected from the group consisting of Zn+2, Fe+2, Ni+2, Mn +2, Co+2, Sn+2, Pb+2, Fe+3, Mo+4, Mo+6, Al+3, V+4, V+5, Sr+2, W+4, W+6, Cu+2 and Cr+3,
- M2 represents a metal selected from the group consisting of Fe+2, Fe+3, Co+2, Co+3, Cr+2, Cr+3, Mn+2, Mn+3, Ir+3, Ni+2, Rh+3, Ru+2, V+4 and V+5,
- L represents an organic ligand, and
- X, y and q are chosen to maintain electroneutrality.
A hydroxide containing double metal cyanide (DMC) catalyst of the formulae (I) or (II),
- M1x[M2(CN)6]yOH.L (I)
- M1x[M2(CN)6]y.zM1(OH)q.L (II)
- made by:
- reacting a M1 containing oxide with a M2 containing hexacyanometallate or hexacyanometallic acid in the presence of an organic ligand, L, and water;
- and
- collecting the crystalline catalyst,
- wherein
- M1 represents a metal selected from the group consisting of Zn+2, Fe+2, Ni+2, Mn +2, Co+2, Sn+2, Pb+2, Fe+3, Mo+4, Mo+6, Al+3, V+4, V+5, Sr+2, W+4, W+6, Cu+2 and Cr+3,
- M2 represents a metal selected from the group consisting of Fe+2, Fe+3, Co+2, Co+3, Cr+2, Cr+3, Mn+2, Mn+3, Ir+3, Ni+2, Rh+3, Ru+2, V+4 and V+5,
- L represents an organic ligand, and
- X, y and q are chosen to maintain electroneutrality.
A process of making a hydroxide containing double metal cyanide (DMC) catalyst of the formulae (I) or (II),
- M1x[M2(CN)6]yOH.L (I)
- M1x[M2(CN)6]y.zM1(OH)q.L (II)
- said process comprising the steps of:
- reacting a M1 containing salt of a strong acid with a M2 containing hexacyanometallate or hexacyanometallic acid in the presence of an organic ligand, L, and water;
- and
- collecting the crystalline catalyst
- wherein
- M1 represents a metal selected from the group consisting of Zn+2, Fe+2, Ni+2, Mn +2, Co+2, Sn+2, Pb+2, Fe+3, Mo+4, Mo+6, Al+3, V+4, V+5, Sr+2, W+4, W+6, Cu+2 and Cr+3,
- M2 represents a metal selected from the group consisting of Fe+2, Fe+3, Co+2, Co+3, Cr+2, Cr+3, Mn+2, Mn+3, Ir+3, Ni+2, Rh+3, Ru+2, V+4 and V+5,
- L represents an organic ligand, and
- X, y and q are chosen to maintain electroneutrality.
A hydroxide containing double metal cyanide (DMC) catalyst of the formulae (I) or (II),
- M1x[M2(CN)6]yOH.L (I)
- M1x[M2(CN)6]y.zM1(OH)q.L (II)
- made by:
- reacting a M1 containing salt of a strong acid with a M2 containing hexacyanometallate or hexacyanometallic acid in the presence of an organic ligand, L, and water;
- and
- collecting the crystalline catalyst wherein
- M1 represents a metal selected from the group consisting of Zn+2, Fe+2, Ni+2, Mn +2, Co+2, Sn+2, Pb+2, Fe+3, Mo+4, Mo+6, Al+3, V+4, V+5, Sr+2, W+4, W+6, Cu+2 and Cr+3,
- M2 represents a metal selected from the group consisting of Fe+2, Fe+3, Co+2, Co+3, Cr+2, Cr+3, Mn+2, Mn+3, Ir+3, Ni+2, Rh+3, Ru+2, V+4 and V+5,
- L represents an organic ligand, and X, y and q are chosen to maintain electroneutrality.
A process of making a hydroxide containing double metal cyanide (DMC) catalyst of the formulae (I) or (11),
- M1x[M2(CN)6]yOH.L (I)
- M1x[M2(CN)6]y.zM1(OH)q.L (II)
- said process comprising the steps of:
- reacting a M1 containing oxide with a M2 containing hexacyanometallate or hexacyanometallic acid in the presence of an organic ligand, L, and water;
- and
- collecting the crystalline catalyst,
- wherein
- M1 represents a metal selected from the group consisting of Zn+2, Fe+2, Ni+2, Mn +2, Co+2, Sn+2, Pb+2, Fe+3, Mo+4, Mo+6, Al+3, V+4, V+5, Sr+2, W+4, W+6, Cu+2 and Cr+3,
- M2 represents a metal selected from the group consisting of Fe+2, Fe+3, Co+2, Co+3, Cr+2, Cr+3, Mn+2, Mn+3, Ir+3, Ni+2, Rh+3, Ru+2, V+4 and V+5,
- L represents an organic ligand, and
- x, y and q are chosen to maintain electroneutrality.
A hydroxide containing double metal cyanide (DMC) catalyst of the formulae (I) or (II),
- M1x[M2(CN)6]yOH.L (I)
- M1x[M2(CN)6]y.zM1(OH)q.L (II)
- made by:
- reacting a M1 containing oxide with a M2 containing hexacyanometallate or hexacyanometallic acid in the presence of an organic ligand, L, and water;
- and
- collecting the crystalline catalyst,
- wherein
- M1 represents a metal selected from the group consisting of Zn+2, Fe+2, Ni+2, Mn +2, Co+2, Sn+2, Pb+2, Fe+3, Mo+4, Mo+6, Al+3, V+4, V+5, Sr+2, W+4, W+6, Cu+2 and Cr+3,
- M2 represents a metal selected from the group consisting of Fe+2, Fe+3, Co+2, Co+3, Cr+2, Cr+3, Mn+2, Mn+3, Ir+3, Ni+2, Rh+3, Ru+2, V+4 and V+5,
- L represents an organic ligand, and
- x, y and q are chosen to maintain electroneutrality.
A process of making a hydroxide containing double metal cyanide (DMC) catalyst of the formulae (I) or (II),
- M1x[M2(CN)6]yOH.L (I)
- M1x[M2(CN)6]y.zM1(OH)q.L (II)
- said process comprising the steps of:
- mixing a M1 containing salt, a strongly basic compound with a M2 containing hexacyanometallate or hexacyanometallic acid in the presence of an organic ligand, L, and water;
- and
- collecting the catalyst
- wherein
- M1 represents a metal selected from the group consisting of Zn+2, Fe+2, Ni+2 Mn+2, Co+2, Sn+2, Pb+2, Fe+3, Mo+4, Mo+6, Al+3, V+4, V+5, Sr+2, W+4, W+6, Cu+2 and Cr+3,
- M2 represents a metal selected from the group consisting of Fe+2, Fe+3, Co+2, Co+3, Cr+2, Cr+3, Mn+2, Mn+3, Ir+3, Ni+2, Rh+3, Ru+2, V+4 and V+5,
- L represents an organic ligand, and
- x, y and q are chosen to maintain electroneutrality.
Dependencies are inferred from the claim text.