1993
DOI: 10.1002/actp.1993.010440203
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Tracer‐diffusion in quenched lamellar phases

Abstract: A theory is presented to describe the tracer-diffusion properties of surfactant molecules embedded in quenched, disordered lamellar phases, such as those encountered in concentrated solutions and melts of block copolymers. We demonstrate that for weak anisotropy of the local diffusion tensor D,,, the average diffusion coefficient of an isotropically disordered sample is slightly larger than ( 1 / 3 ) C D , , and is independent of the geometrical and statistical details of the quenched pattern. For large anisot… Show more

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Cited by 11 publications
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“…It should be noted here that there are a number of papers on the diffusion based on the thermodynamic approach. In the approach, the thermodynamic interactions are often represented by χ N , where χ is the interaction parameter and N is the degree of polymerization.…”
mentioning
confidence: 99%
“…It should be noted here that there are a number of papers on the diffusion based on the thermodynamic approach. In the approach, the thermodynamic interactions are often represented by χ N , where χ is the interaction parameter and N is the degree of polymerization.…”
mentioning
confidence: 99%