Effects of Foaming and Drainage Behavior on Structure and Properties of Polyurethane/Water Glass (PU/WG) Grouting Materials for Coal Mines

Figure 13

(a) TG curves of the three samples; TG, DTA, DTG curve of the C7-1% (b), C14-1% (c), and C17-1% (d) samples.

(a)

(b)

(c)

(d)