Process for preparing granules of hydrophilic active principle by extrusion

Process for preparing granules of hydrophilic active principle by extrusion

  • CN 101,072,513 A
  • Filed: 12/14/2005
  • Published: 11/14/2007
  • Est. Priority Date: 12/15/2004
  • Status: Active Grant
First Claim
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1. the preparation method who is used for the granular core of animal nutrition, described core comprises:

  • -active quantities is more than or equal to the hydrophilic active principle of 60% weight ratio,-at least a fusible binding agent,-at least a plasticizer,Described method comprises that (a) first step is with each composition mixing, (b) second step was extruded the gained mixture by particularly single screw rod of the extruder that is equipped with one or more moulds or double screw extruder, to obtain shaft, and (c) the 3rd the step carry out round as a ball to described shaft, described method was characterised in that before extruding described mixture carries out the altogether dry-preliminary step of grinding to described composition, described common-grind being no more than under 50 ℃

    the temperature and carry out.

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