Method for improving the properties of urea granules

Method for improving the properties of urea granules

  • CN 1,839,107 B
  • Filed: 10/06/2003
  • Issued: 06/27/2012
  • Est. Priority Date: 10/06/2003
  • Status: Active Grant
First Claim
Patent Images

1. Through in urea, add additive with the caking that improves urea granules, efflorescence and in water medium the method for foaming tendency;

  • It is characterized in that;

    said additive comprises the carboxylic acid cpd that general formula is XY-Z-COOH;

    Wherein Z is the saturated or unsaturated alkyl that contains 1~

    25 carbon atom;

    X and Y are selected from Wasserstoffatoms or polarity organic functions base, and said additive is added in the urea granules material as solution in polar solvent, dry these particles then.

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