**3.10 Interaction study between the fibrous suspension modified by an adjuvant and by the cement matrix**

The interaction between the cement, wood fibers and clay modified by CTAB can be summarized in the following pictures **Figures 15** and **16**:


*Process describing the interaction between the composite and the surfactant.*

#### **Figure 16.**

*Dispersion of WF and state of the environment of cement grains.*

