2024-03-28T12:50:15Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1517502021-03-11T07:59:45Zcom_10261_56com_10261_3com_10261_78com_10261_135com_10261_4col_10261_309col_10261_331col_10261_388
DIGITAL.CSIC
author
Campo, Ángel Adolfo del
author
Nogales, Aurora
author
Ezquerra, Tiberio A.
author
Rodríguez-Hernández, Juan
funder
Ministerio de Economía y Competitividad (España)
funder
Consejo Superior de Investigaciones Científicas (España)
2017-06-21T08:30:21Z
2017-06-21T08:30:21Z
2016-06-16
Polymer 98: 327-335 (2016)
http://hdl.handle.net/10261/151750
10.1016/j.polymer.2016.06.035
http://dx.doi.org/10.13039/501100003329http://dx.doi.org/10.13039/501100003339
In this manuscript, the processes occurring during UV-ozone treatment on polydimethylsiloxane (PDMS) surfaces i.e. formation of a stiff silica-like layer and surface degradation have been studied. While the chemical changes have been evaluated using Confocal Raman Microscopy (CRM) with submicrometer resolution, partial surface degradation occurring during longer ozone treatments have been evidenced both by Optical Profilometry and AFM. Whereas previous studies reported the formation of a thin silica layer of around 20–30 nm up to 200 nm depending on the method employed, herein, we demonstrated that in effect a thin rigid layer is formed but instead of a sharp interface predicted by previous reports a gradient depth profile was obtained. CRM evidenced the formation of a 4 μm layer of modified material. By Quantitative Nanomechanical Mapping (QNM) and based on the equations that predict the wrinkle formation, a surface layer thickness of around of 4.5 μm was also determined.© 2016 Elsevier Ltd. All rights reserved.
eng
openAccess
Quantitative nanomechanical mapping
Depth profile
Confocal Raman
Surface mechanical properties
PDMS
Surface modification
UVO
Surface degradation
Modification of poly(dimethylsiloxane) as a basis for surface wrinkle formation: Chemical and mechanical characterization
artículo
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URL
https://digital.csic.es/bitstream/10261/151750/5/UVO%20on%20PDMA_Revised%20version.pdf
File
MD5
ca8d466e406603119106d20adf4c3e26
1327548
application/pdf
UVO on PDMA_Revised version.pdf