Term of the Road Dictionary

cationic emulsion

  • Language : PIARC Road Dictionary / English
  • Theme : Roads Materials Mixed Materials
  • Definition : Bitumen emulsion in which the emulsifier (an acid soap usually obtained by the action of hydrochloric acid on one or two amines) imparts positive charges to the dispersed bitumen particles. Note: cationic emulsions are less dependent for their adhesion on the nature of the materials, traffic levels and weather conditions during laying.

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