Process for the preparation of granular or pulverulent organic p

Details Process for the preparation of granular or pulverulent organic p Process for the preparation of granular or pulverulent organic p

1974-06-10

1976-06-29

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260610D, C07C 6800, C07C17914

Patent

active

039667871

ABSTRACT:
A process is disclosed for the preparation of granular or pulverulent organic peroxides which are solid at temperatures ranging from -20.degree. to 55.degree.C by solidifying the peroxide in liquid form with a liquid cooling medium which at most hardly dissolves the peroxide, which is liquid at a temperature of -20.degree.C or lower, and which is gaseous at the storage temperature of the peroxide to be solidified. An example of the liquid cooling medium is liquid nitrogen and an example of the organic peroxide is diisopropylperoxydicarbonate. The present process permits the formation of granular or pulverulent solid organic peroxides without traces of liquid peroxide which can cause safety problems.

REFERENCES:
patent: 2491397 (1949-12-01), Stevens
patent: 3367951 (1968-02-01), Nielsen et al.

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