Figure 2From: GreenCaps: towards solid curing agents for sustainable polyurethane foams Viscosity temporal evolution of an isocyanate blend (Ongronat 2500) with and without organosilica microspheres, doped with aqueous glycerol, either dried (2 wt % and 5 wt % of CG8) or in a slurry (2 wt % CG8). Back to article page