Spinodal decomposition via surface diffusion in polymer mixtures

被引：9

作者：

Wolterink, J. Klein ^{[1
]}

Barkema, G. T.

Puri, Sanjay

机构：

[1] Inst Theoret Phys, NL-3584 CE Utrecht, Netherlands

[2] Jawaharlal Nehru Univ, Sch Phys Sci, New Delhi 110067, India

来源：

PHYSICAL REVIEW E | 2006年 / 74卷 / 01期

关键词：

D O I：

10.1103/PhysRevE.74.011804

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

We present experimental results for spinodal decomposition in polymer mixtures of gelatin and dextran. The domain growth law is found to be consistent with t(1/4) growth over extended time regimes. Similar results are obtained from lattice simulations of a polymer mixture. This slow growth arises due to the suppression of the bulk mobility of polymers. In that case, spinodal decomposition is driven by the diffusive transport of material along domain interfaces, which gives rise to a t(1/4) growth law.

引用

页数：5

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