International Journal of Polymer Science / 2015 / Article / Fig 4

Research Article

Mixture Design Approach on the Physical Properties of Lignin-Resorcinol-Formaldehyde Xerogels

Figure 4

Mixture pH before cured in function of mass fraction: ●  mass fraction from 0.032 to 0.069; ▲  mass fraction from 0.087 to 0.140.