Effect of tethering on the surface dynamics of a thin polymer melt layer
Abstract
The surface height fluctuations of a layer of low molecular weight (2.2k) untethered perdeuterated polystyrene (dPS) chains adjacent to a densely grafted polystyrene brush are slowed dramatically. Due to the interpenetration of the brush with the layer of “untethered chains” a hydrodynamic continuum theory can only describe the fluctuations when the effective thickness of the film is taken to be that which remains above the swollen brush. Furthermore, the portion of the film of initially untethered chains that interpenetrates with the brush becomes so viscous as to effectively play the role of a rigid substrate. They provide a route for tailoring polymer layer surface properties such as wetting, adhesion and friction, since these hybrid samples contain a covalently tethered layer at the bottom, does not readily dewet, and are more robust than thin layers of untethered short chains on rigid substrates.
- Authors:
-
- Central R&D, Istanbul (Turkey). Materials Technologies
- Bogazici Univ., Istanbul (Turkey). Dept. of Chemistry
- Argonne National Lab. (ANL), Argonne, IL (United States). X-ray Science Division
- National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States). NIST Center for Neutron Research
- Univ. of Akron, OH (United States). Dept. of Polymer Science
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1339950
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Soft Matter
- Additional Journal Information:
- Journal Volume: 12; Journal Issue: 24; Journal ID: ISSN 1744-683X
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Uğur, Gökçe, Akgun, Bulent, Jiang, Zhang, Narayanan, Suresh, Satija, Sushil, and Foster, Mark D. Effect of tethering on the surface dynamics of a thin polymer melt layer. United States: N. p., 2016.
Web. doi:10.1039/C6SM00179C.
Uğur, Gökçe, Akgun, Bulent, Jiang, Zhang, Narayanan, Suresh, Satija, Sushil, & Foster, Mark D. Effect of tethering on the surface dynamics of a thin polymer melt layer. United States. https://doi.org/10.1039/C6SM00179C
Uğur, Gökçe, Akgun, Bulent, Jiang, Zhang, Narayanan, Suresh, Satija, Sushil, and Foster, Mark D. Fri .
"Effect of tethering on the surface dynamics of a thin polymer melt layer". United States. https://doi.org/10.1039/C6SM00179C. https://www.osti.gov/servlets/purl/1339950.
@article{osti_1339950,
title = {Effect of tethering on the surface dynamics of a thin polymer melt layer},
author = {Uğur, Gökçe and Akgun, Bulent and Jiang, Zhang and Narayanan, Suresh and Satija, Sushil and Foster, Mark D.},
abstractNote = {The surface height fluctuations of a layer of low molecular weight (2.2k) untethered perdeuterated polystyrene (dPS) chains adjacent to a densely grafted polystyrene brush are slowed dramatically. Due to the interpenetration of the brush with the layer of “untethered chains” a hydrodynamic continuum theory can only describe the fluctuations when the effective thickness of the film is taken to be that which remains above the swollen brush. Furthermore, the portion of the film of initially untethered chains that interpenetrates with the brush becomes so viscous as to effectively play the role of a rigid substrate. They provide a route for tailoring polymer layer surface properties such as wetting, adhesion and friction, since these hybrid samples contain a covalently tethered layer at the bottom, does not readily dewet, and are more robust than thin layers of untethered short chains on rigid substrates.},
doi = {10.1039/C6SM00179C},
journal = {Soft Matter},
number = 24,
volume = 12,
place = {United States},
year = {Fri May 13 00:00:00 EDT 2016},
month = {Fri May 13 00:00:00 EDT 2016}
}
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Works referencing / citing this record:
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