Spraying desiccation process for producing tasteless micro capsule for medicine

Spraying desiccation process for producing tasteless micro capsule for medicine

CN
  • CN 1,023,766 C
  • Filed: 04/09/1990
  • Issued: 02/16/1994
  • Est. Priority Date: 04/09/1990
  • Status: Active Grant
First Claim
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1. , a kind of drying process with atomizing for preparing tasteless micro capsule for medicine, this technology comprises that with gastric solubility macromolecular material Eudragit E 100 be the capsule material, make capsule material solution with the organic solvent dehydrated alcohol as solvent, be that fine drug powder and an amount of additives Pulvis Talci below 30 microns or 30 microns evenly is suspended in the capsule material solution then with particle diameter, spray-dried machine spray drying, make its inlet temperature be controlled at 90-150 ℃

  • , outlet temperature is 60-90 ℃

    , charging rate is the 5-15 ml/min, sprinkler pressure is the 0.2-0.5 kg/cm, after cyclone separator is collected microcapsule, cross 120 mesh sieves and promptly get tasteless microcapsule goods, raw materials used component is respectively;

    high score ascus material Eudragit E 100 is 3%-5% (W/V) in the suspension, and fine drug powder 3%-5% (W/V), additives Pulvis Talci are 1%-2%.

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