C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 25/023 (2006.01) C01B 25/00 (2006.01)
Patent
CA 2056022
HOE 90/H 035 Stabilized red phosphorus, and processes for the preparation thereof Abstract of the disclosure: In, a stabilized, pulverulent red phosphorus comprising phosphorus particles having a maximum particle size of 2 mm whose surface is covered with a thin coating of an oxidation stabilizer, the oxidation stabilizer comprises an uncured epoxy resin in a proportion of from 0.2 to less than 5% by weight. The red phosphorus stabilized in this way may additionally be covered by a thin coating of di-2-ethylhexyl phthalate as phlegmatizing agent. In addition, processes for the preparation of the stabilized and possibly additionally phlegmatized red phosphorus are described.
Kolkmann Friedrich
Staendeke Horst
Clariant Gmbh
Fetherstonhaugh & Co.
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