Non-linear elasticity effects and stratification in brushes of branched polyelectrolytes
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866913775481782272 |
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| author | Lebedeva, Inna O. Shavykin, Oleg V. Neelov, Igor M. Zhulina, Ekaterina B. Leermakers, Frans A. M. Borisov, Oleg V. |
| author_facet | Lebedeva, Inna O. Shavykin, Oleg V. Neelov, Igor M. Zhulina, Ekaterina B. Leermakers, Frans A. M. Borisov, Oleg V. |
| contents | Brushes formed by arm-tethered starlike polyelectrolytes may exhibit internal segregation into weakly and strongly extended populations (stratified two-layer structure) when strong ionic intermolecular repulsions induce stretching of the tethers up to the limit of their extensibility. We propose an approximate Poisson-Boltzmann theory for analysis of the structure of the stratified brush and compare it with results of numerical self-consistent field modelling. Both analytical and numerical models point to formation of a narrow cloud of counterions (internal double electrical layer) localized inside stratified brush at the boundary between the layers. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2504_02783 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Non-linear elasticity effects and stratification in brushes of branched polyelectrolytes Lebedeva, Inna O. Shavykin, Oleg V. Neelov, Igor M. Zhulina, Ekaterina B. Leermakers, Frans A. M. Borisov, Oleg V. Soft Condensed Matter Brushes formed by arm-tethered starlike polyelectrolytes may exhibit internal segregation into weakly and strongly extended populations (stratified two-layer structure) when strong ionic intermolecular repulsions induce stretching of the tethers up to the limit of their extensibility. We propose an approximate Poisson-Boltzmann theory for analysis of the structure of the stratified brush and compare it with results of numerical self-consistent field modelling. Both analytical and numerical models point to formation of a narrow cloud of counterions (internal double electrical layer) localized inside stratified brush at the boundary between the layers. |
| title | Non-linear elasticity effects and stratification in brushes of branched polyelectrolytes |
| topic | Soft Condensed Matter |
| url | https://arxiv.org/abs/2504.02783 |