Composite metal hydroxide and process for the production thereof
AssigneeKabushiki Kaisha Kaisui Kagaku Kenkyujo
InventorShigeo Miyata
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Abstract
A composite metal hydroxide which overcomes the instability and coarse crystal formation of calcium hydroxide and can be used in fields where calcium hydroxide conventionally cannot be used, e.g., as an agent for neutralizing or inactivating acids or halogens in plastics and rubbers and as a flame retardant for plastics and rubbers. The composite metal hydroxide has the formula, Ca.sub.1-x M.sup.2+.sub.x (OH).sub.2 wherein M.sup.2+ is at least one divalent metal ion selected from the group consisting of Mg.sup.2+, Mn.sup.2+, Fe.sup.2+, Co.sup.2+, Ni.sup.2+, Cu.sup.2+ and Zn.sup.2+, and x is defined by 0.005<x<0.4.
Claims4
A composite metal hydroxide of the formula,
- Ca.sub.1-x M.sup.2+.sub.x (OH).sub.2
- wherein M.sup.2+ is at least one divalent metal ion selected from the group consisting of Mg.sup.2+, Mn.sup.2+, Fe.sup.2+, Co.sup.2+, Ni.sup.2+, Cu.sup.2+ and Zn.sup.2, and x is defined by 0.005<x<0.4.
Dependencies are inferred from the claim text.