Stabilized red phosphorus and process for making it

Details Stabilized red phosphorus and process for making it Stabilized red phosphorus and process for making it

1977-05-16

1978-07-04

Thomas, Earl C.

Chemistry of inorganic compounds

With additive

149 29, 252400A, 423322, C01B 2500

Patent

active

040988724

ABSTRACT:
The invention provides stabilized pulverulent red phosphorus. It comprises a homogeneous blend of red phosphorus particles with a size of at most about 2 mm and a metal compound of the second or third group of the Periodic System as an oxidation stabilizer, wherein the metal compound is the aluminum, magnesium, calcium or zinc salt of an acid orthophosphoric acid ester of a long chain aliphatic alcohol, which may be ethoxylated, or phenol, the metal compound being present in the homogeneous blend in a proportion of about 0.25 to 5 weight %.

REFERENCES:
patent: 2399120 (1946-04-01), Hurd
patent: 2440303 (1948-04-01), Silverstein
patent: 2574466 (1951-11-01), Clay et al.
patent: 3488711 (1970-01-01), Dany et al.
patent: 3657027 (1972-04-01), Horsey et al.
patent: 3884734 (1975-05-01), Palmer et al.
patent: 3974260 (1976-08-01), Wortmann et al.

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