Volume 33, Number 5, February II 1996
|Page(s)||397 - 402|
|Section||Cross-disciplinary physics and related areas ofscience and technology|
|Published online||01 September 2002|
Diffusive growth of a polymer layer by in situ polymerization
The University of Edinburgh, Dept. of Physics &
Astronomy, King's Buildings, Mayfield Road, Edinburgh EH9 3JZ, UK
2 Cavendish Laboratory - Madingley Road, Cambridge CB3 0HE, UK
3 Institut Charles Sadron - 6 rue Boussingault, 67083 Strasbourg, France
Accepted: 21 December 1995
We consider the growth of a polymer layer on a flat surface in a good solvent by in situ polymerization. This is viewed as a modified form of diffusion-limited aggregation without branching. We predict theoretically the formation of a pseudo-brush with density and characteristic height H. These results are found by combining a mean-field treatment of the diffusive growth (marginally valid in three dimensions) with a scaling theory (Flory exponent ) of the growing polymers. We confirm their validity by Monte Carlo simulations.
PACS: 82.35.+t – Polymer reactions and polymerization / 68.70.+w – Whiskers and dendrites (growth, structure, and nonelectronic properties) / 82.65.-i – Surface and interface chemistry
© EDP Sciences, 1996
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