Oleophobic Modification of Hollow Glass Microspheres and Its Effect on the Foaming Capacity and Stability of Foam Extinguishing Agent

Table 2

Effect of reaction temperature on the oleophobic property of HGM.

/°C	θ/°		Note
36	118.5	386 s	Oil droplets immediately penetrate the powder after contacting with the powder
40	126.0	576 s	Same as above
60	128.0	>72 h	Oil droplets are spherical shaped with long residing time
80	131.5	>72 h	Same as above