Stabilized red phosphorus and process for its manufacture

Details Stabilized red phosphorus and process for its manufacture Stabilized red phosphorus and process for its manufacture

C - Chemistry, Metallurgy

01

B

23/324, 117/47.9

C01B 25/023 (2006.01) C01B 25/00 (2006.01)

Patent

CA 1128292

ABSTRACT OF THE DISCLOSURE The invention relates to stabilized, pulverulent red phosphorus, consisting of phosphorus particles having a particle size of at most about 2 mm, and an oxidation stabilizer which envelops the phosphorus particles in the form of a thin layer , wherein a) The oxidation stabilizer is a combination of aluminum hydroxide and is a combination of system having an epoxide equivalent weight of about 170 to 500. b) the total amount of the oxidation stabilizer is 0.1-5 % by weight, based on the amount of red phosphorus, and c) the proportion of aluminum hydroxide is about 0.01 to 3 % by weight, and the proportion of epoxide resin is about 0.09 to 4.99% by weight, in each case based on the amount of the red phos- phorus.

364042

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