The invention discloses a method for preparing micro-capsulized superfine red
phosphorus, boiling the superfine red
phosphorus with
vitriol,
sodium cyanide solution and
sodium hydroxide solution, separately, filtering, eliminating impurities, and
drying, and storing by sealing; blending and dissolve
metal compound, depositing with
ammonia, centrifuging and adding water to dilute, raising temperature, dropping in
aluminum nitrate,
vitriol or HCl and making
metal hydroxide sol; mixing propylene acylamide monomers and N, Ní»-
methylene dipropylene acylamide with
ammonium persulphate, raising temperature and reacting to form high
molecular network gel; adding the high
molecular network gel into the
metal hydroxide sol, raising the temperature and reacting to form high
molecular network gel of
metal hydroxide, mixing the high molecular network gel of
metal hydroxide with the processed superfine red
phosphorus, blending and placing still so that the
sol takes the red phosphorus as the center to make surface absorption to form gel and
coating a layer of
colloid membrane on the red phosphorus surface, so as to obtain the micro-capsulized superfine red phosphorus. The advantages of the invention: it improves the stability, invariability and surface activity of the red phosphorus, improving
processing property.