Fig. 10

Concentration profiles of polymeric deterrent “A” in a double based propellant. Measured concentration values (dots) and recalculated concentration profile (lines: obtained by fitting the measured values to the model) for t0(un-aged propellant) and t1 (propellant stored at 71˚C for 28 days). Fitted D value: 0.13.10− 15 m2/s [24]