C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/79
C01B 25/14 (2006.01)
Patent
CA 1139077
PROCESS AND APPARATUS FOR MAKING P2S5 OF LOW REACTIVITY ABSTRACT OF THE DISCLOSURE: The invention relates to a process for making phospho- rus pentasulfide of low reactivity. To this end, molten phosphorus pentasulfide is solidified and the solidified product is ground. More specifically, solid phosphorus pentasulfide coming from a cooling zone with a tempe- rature of 150 to 220°C is introduced into a heat-insula- ted tank and freed therein from its immanent heat by controlled cooling at a rate of at most 30°C/h. The inven- tion also relates to an apparatus for carrying out this process.
333701
Ebert Hans
Neumann Friedrich
Niermann Hermann
Reichert Gunter
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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