Stabilized red phosphorus and process for making it
AssigneeHoechst Aktiengesellschaft
InventorsHorst Staendeke, Ursus Thummler, Wilhelm Adam
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Abstract
Stabilized pulverulent red phosphorus consisting substantially of particles with a size of at most 2 mm, encapsulated in a thin layer of an oxidation stabilizer consisting of at least one scarcely water-soluble or water-insoluble metal hydroxide and a melamine/formaldehyde-polycondensation product.
Claims8
Stabilized pulverulent red phosphorus, the individual particles of which have a size of at most 2 mm and are encapsulated in a thin layer of an oxidation stabilizer, the oxidation stabilizer comprising a polycondensation product of melamine and formaldehyde and at least one water-insoluble or sparingly water-soluble metal hydorxide selected from the group consisting of the hydroxides of aluminum, silicon, chromium, manganese, zinc, germanium, zirconium, niobium, cadmium, tin, lead, bismuth and cerium.
Dependencies are inferred from the claim text.