Journal of Applied Sciences ›› 1993, Vol. 11 ›› Issue (2): 119-124.

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A NEW PARAMETER FOR THE CHARACTERIZATION OF POWDER SURFACE

WANG PING, GUO HONGYOTJ, SONG LANHUA, HUANG YULI   

  1. Beijing Institute of Chemical Technology
  • Received:1991-07-08 Revised:1992-01-27 Online:1993-06-30 Published:1993-06-30

Abstract: A new parameter, ATRHL (adhesion tension ratio of hydrophilic liquid to lipophilic liquid in contact with powder) used for the characterization of powder surface has been put forward. The measurement of ATEHL for powder is based on the adhesion tension of distilled water and toluene in contact with powder. Thus ATKHL expresses the hydropilic-lipophilic degree of the powder surface.

Key words: powder surface, hydrophilic-lipophilic characterization