FIGURE 1. Spinodal decomposition kinetics of polycarbonateand polystyrene 50 : 50 at various times: (a) 50, (b) 100, (c)300, (d) 500, (e) 700, and (f) 1000s. Reprinted with permissionfrom [1]. Copyright (2001) American Chemical Society.
FIGURE 2. φeq for various θ with θc = 1.
FIGURE 3. Interfacial layer at the equilibrium state for various θ with (a) ϵ = 0.5h and (b) ϵ = h. Here, θc = 1 is used.
FIGURE 4. Surface fitting: ϵ(θ,m) = 0.1h(4.835θ2−3.752θm+0.005m2 − 4.01θ + 4.078m+ 0.693).
FIGURE 5. Evolution of φ(x, t) with ϵ(θ, 8) for various θ. Ineach subfigure, horizontal dashed lines represent the rangefrom φ = −0.9φeq to φ = 0.9φeq.
FIGURE 6. C(θ, φeq) for various θ with θc = 1.
FIGURE 7. Evolution of φ(x, y, t) using (a) the linear scheme with s = 1.0548, (b) the linear scheme with s = 115.0843, and (c) the nonlinear scheme. Here, θ = 0.8, θc = 1, and ϵ = ϵ(θ, 8) are used. The times are t = 100, 400, 700, and 1000 (from left to right).
FIGURE 8. Evolution of φ(x, y, t) with φ= −0.3. Here, θ =0.8, θc = 1, and ϵ = ϵ(θ, 8) are used. The times are shown below each subfigure.
FIGURE 9. Evolution of φ(x, y, t) with φ= 0. Here, θ = 0.8, θc = 1, and ϵ = ϵ(θ, 8) are used. The times are shown below each subfigure.
FIGURE 10. Evolution of the energy with φ= −0.3 and 0.
TABLE 1. Numbers of grid points in the interfacial layer (fromφ = −0.9φeq to φ = 0.9φeq).
TABLE 2. Values of s for various θ with θc = 1.
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