Fig. 3:

PDE Model with Spatially-uniform Initial Monomer Concentration: c₁₀(0) = 2, k_l = 1, k_b = 2. (a) Time snapshots of profiles W(t, z) vs z. The curves move upward with time and are colored red before gel time and blue afterward. Values of W(t, 1) for t > t_gel are shown with dots. (b) Plot of W(t, 1) vs t. Dots show (t, W(t, 1)) values corresponding to the dots in panel (a). (c) Time dependence of the concentrations of monomer c₁₀, sol reactive sites R_s, sol branches B_s, and mass in finite size oligomers larger than monomers θ_s − c₁₀. (d) Time dependence of the concentrations of gel reactive sites R_g, gel branches B_g, and gel mass θ_g. Note different concentration scales in panels (c) and (d). Dashed black line indicates gel time.