2003
DOI: 10.1209/epl/i2003-00602-4
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The slowly formed Guiselin brush

Abstract: We study polymer layers formed by irreversible adsorption from a polymer melt. Our theory describes an experiment which is a "slow" version of that proposed by Guiselin [Europhys. Lett., 17 (1992) 225] who considered instantaneously irreversibly adsorbing chains and predicted a universal density profile of the layer after swelling with solvent to produce the "Guiselin brush." Here we ask what happens when adsorption is not instantaneous. The classic example is chemisorption. In this case the brush is formed … Show more

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Cited by 14 publications
(21 citation statements)
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References 21 publications
(30 reference statements)
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“…Under this condition, the reaction rate defined as the number of surface bonds created per unit time and area Q decomposes into the product of the (intrinsic) reaction rate (frequency) q for monomers within the reaction distance from the surface and the concentration of monomers c0 within the reaction distance (z<b). The latter is to be calculated for polymer configurations equilibrated under the constraints imposed by already bound monomers [100,101,102,103]. Below, we consider chemisorption from a dilute solution.…”
Section: Adsorption Of Wlcmentioning
confidence: 99%
“…Under this condition, the reaction rate defined as the number of surface bonds created per unit time and area Q decomposes into the product of the (intrinsic) reaction rate (frequency) q for monomers within the reaction distance from the surface and the concentration of monomers c0 within the reaction distance (z<b). The latter is to be calculated for polymer configurations equilibrated under the constraints imposed by already bound monomers [100,101,102,103]. Below, we consider chemisorption from a dilute solution.…”
Section: Adsorption Of Wlcmentioning
confidence: 99%
“…This process has been studied theoretically by O'Shaughnessy and Vavylonis [209]. Single chain chemisorption kinetics was analyzed in a similar way to that for dilute solutions (section 5.1).…”
Section: Chemisorption: the Slow Guiselin Brushmentioning
confidence: 99%
“…(a) Hierachichal loop structure after adsorption from the melt. For slow chemisorption [209] successive loop size scales are frozen in as their critical density is reached. Beyond this their formation would force chain stetching and hence is strongly suppressed.…”
Section: Physisorption: the Guiselin Brushmentioning
confidence: 99%
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