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Citation: Song Mo, Huang Yuhui, Cong Guangmin, Jiang Bingzheng. SELF-SIMILARITY AND FRACTAL OF PHASE SEPARATION PROCESSES IN POLYMER BLENDS[J]. Chinese Journal of Applied Chemistry, ;1992, 9(2): 23-27. shu

SELF-SIMILARITY AND FRACTAL OF PHASE SEPARATION PROCESSES IN POLYMER BLENDS

1.
1. Guangzhou Institute of Chemistry, Academia Sinica, Guangzhou 510650;
2.
2. Changchun Institute of Applied Chemistry, Academia Sinica, Changchun

Corresponding author: Song Mo,
Received Date: 14 March 1991
Available Online: 25 June 1991
Fund Project:

Unmixing processes of poly (methyl methacrylate) and poly (vinyl acetate)blends were investigated by using light scattering and optical microscope techniques. The results show that there exist self-similarity and fractal behaviour in phase separation processes. In the late stage of phase separation the asymptotic behavior of scaled structure function F(x) is F(x)~x^-6 for large values of x. The fractal dimension of phase structure is about 1.64. These imply that the fractal behaviour of phase structure may result in the scaling feature of structure function.
- phase separation,
- fractal,
- scaling,
- light scattering,
- structure function
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