Phase-contrast scanning force microscopy and chemical heterogeneity of GR polysulfone ultrafiltration membranes

Abstract. The surfaces of three commercial urea formaldehyde polysulfone membranes from Dow $ Denmark^{TM} $ (GR51, GR61 and GR81) are characterised both topographically and chemically. Their topography is studied by scanning force microscopy to obtain the corresponding pore-size distributions, whic...
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Autor*in:	Palacio, L. [verfasserIn] Prádanos, P. Hernández, A. Ariza, M.J. Benavente, J. Nyström, M.

Format:	Artikel
Sprache:	Englisch

Erschienen:	2001

Systematik:	UA 9001.A

Anmerkung:	© Springer-Verlag 2001

Übergeordnetes Werk:	Enthalten in: Applied physics. A, Materials science & processing - Springer-Verlag, 1981, 73(2001), 5 vom: Nov., Seite 555-560
Übergeordnetes Werk:	volume:73 ; year:2001 ; number:5 ; month:11 ; pages:555-560

Links:	Volltext

DOI / URN:	10.1007/s003390100937

Katalog-ID:	OLC2074150296

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allfields	10.1007/s003390100937 doi (DE-627)OLC2074150296 (DE-He213)s003390100937-p DE-627 ger DE-627 rakwb eng 530 620 VZ 530 VZ UA 9001.A VZ rvk Palacio, L. verfasserin aut Phase-contrast scanning force microscopy and chemical heterogeneity of GR polysulfone ultrafiltration membranes 2001 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2001 Abstract. The surfaces of three commercial urea formaldehyde polysulfone membranes from Dow $ Denmark^{TM} $ (GR51, GR61 and GR81) are characterised both topographically and chemically. Their topography is studied by scanning force microscopy to obtain the corresponding pore-size distributions, which are in fair agreement with nominal molecular weight cut-offs. The composition of the surfaces of the membranes is analysed by X-ray photoelectron spectroscopy. The resulting percentage content of nitrogen, which could be attributed probably to an additive used in the manufacturing process, is shown to correlate with the portion of the total surface with different viscoelastic properties as investigated by using phase-contrast scanning force microscopy. Both parameters are increasing for membranes with decreasing molecular weight cut-off. Also, the additive seems to be more sparsely distributed for the membranes with bigger pores, according to fractal analysis. Finally, all the membranes are very similarly wettable. Prádanos, P. aut Hernández, A. aut Ariza, M.J. aut Benavente, J. aut Nyström, M. aut Enthalten in Applied physics. A, Materials science & processing Springer-Verlag, 1981 73(2001), 5 vom: Nov., Seite 555-560 (DE-627)129861340 (DE-600)283365-7 (DE-576)015171930 0947-8396 nnns volume:73 year:2001 number:5 month:11 pages:555-560 https://doi.org/10.1007/s003390100937 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_31 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_70 GBV_ILN_130 GBV_ILN_150 GBV_ILN_170 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4126 GBV_ILN_4277 GBV_ILN_4306 GBV_ILN_4310 GBV_ILN_4313 GBV_ILN_4315 GBV_ILN_4318 GBV_ILN_4700 UA 9001.A AR 73 2001 5 11 555-560
spelling	10.1007/s003390100937 doi (DE-627)OLC2074150296 (DE-He213)s003390100937-p DE-627 ger DE-627 rakwb eng 530 620 VZ 530 VZ UA 9001.A VZ rvk Palacio, L. verfasserin aut Phase-contrast scanning force microscopy and chemical heterogeneity of GR polysulfone ultrafiltration membranes 2001 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2001 Abstract. The surfaces of three commercial urea formaldehyde polysulfone membranes from Dow $ Denmark^{TM} $ (GR51, GR61 and GR81) are characterised both topographically and chemically. Their topography is studied by scanning force microscopy to obtain the corresponding pore-size distributions, which are in fair agreement with nominal molecular weight cut-offs. The composition of the surfaces of the membranes is analysed by X-ray photoelectron spectroscopy. The resulting percentage content of nitrogen, which could be attributed probably to an additive used in the manufacturing process, is shown to correlate with the portion of the total surface with different viscoelastic properties as investigated by using phase-contrast scanning force microscopy. Both parameters are increasing for membranes with decreasing molecular weight cut-off. Also, the additive seems to be more sparsely distributed for the membranes with bigger pores, according to fractal analysis. Finally, all the membranes are very similarly wettable. Prádanos, P. aut Hernández, A. aut Ariza, M.J. aut Benavente, J. aut Nyström, M. aut Enthalten in Applied physics. A, Materials science & processing Springer-Verlag, 1981 73(2001), 5 vom: Nov., Seite 555-560 (DE-627)129861340 (DE-600)283365-7 (DE-576)015171930 0947-8396 nnns volume:73 year:2001 number:5 month:11 pages:555-560 https://doi.org/10.1007/s003390100937 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_31 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_70 GBV_ILN_130 GBV_ILN_150 GBV_ILN_170 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4126 GBV_ILN_4277 GBV_ILN_4306 GBV_ILN_4310 GBV_ILN_4313 GBV_ILN_4315 GBV_ILN_4318 GBV_ILN_4700 UA 9001.A AR 73 2001 5 11 555-560
allfields_unstemmed	10.1007/s003390100937 doi (DE-627)OLC2074150296 (DE-He213)s003390100937-p DE-627 ger DE-627 rakwb eng 530 620 VZ 530 VZ UA 9001.A VZ rvk Palacio, L. verfasserin aut Phase-contrast scanning force microscopy and chemical heterogeneity of GR polysulfone ultrafiltration membranes 2001 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2001 Abstract. The surfaces of three commercial urea formaldehyde polysulfone membranes from Dow $ Denmark^{TM} $ (GR51, GR61 and GR81) are characterised both topographically and chemically. Their topography is studied by scanning force microscopy to obtain the corresponding pore-size distributions, which are in fair agreement with nominal molecular weight cut-offs. The composition of the surfaces of the membranes is analysed by X-ray photoelectron spectroscopy. The resulting percentage content of nitrogen, which could be attributed probably to an additive used in the manufacturing process, is shown to correlate with the portion of the total surface with different viscoelastic properties as investigated by using phase-contrast scanning force microscopy. Both parameters are increasing for membranes with decreasing molecular weight cut-off. Also, the additive seems to be more sparsely distributed for the membranes with bigger pores, according to fractal analysis. Finally, all the membranes are very similarly wettable. Prádanos, P. aut Hernández, A. aut Ariza, M.J. aut Benavente, J. aut Nyström, M. aut Enthalten in Applied physics. A, Materials science & processing Springer-Verlag, 1981 73(2001), 5 vom: Nov., Seite 555-560 (DE-627)129861340 (DE-600)283365-7 (DE-576)015171930 0947-8396 nnns volume:73 year:2001 number:5 month:11 pages:555-560 https://doi.org/10.1007/s003390100937 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_31 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_70 GBV_ILN_130 GBV_ILN_150 GBV_ILN_170 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4126 GBV_ILN_4277 GBV_ILN_4306 GBV_ILN_4310 GBV_ILN_4313 GBV_ILN_4315 GBV_ILN_4318 GBV_ILN_4700 UA 9001.A AR 73 2001 5 11 555-560
allfieldsGer	10.1007/s003390100937 doi (DE-627)OLC2074150296 (DE-He213)s003390100937-p DE-627 ger DE-627 rakwb eng 530 620 VZ 530 VZ UA 9001.A VZ rvk Palacio, L. verfasserin aut Phase-contrast scanning force microscopy and chemical heterogeneity of GR polysulfone ultrafiltration membranes 2001 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2001 Abstract. The surfaces of three commercial urea formaldehyde polysulfone membranes from Dow $ Denmark^{TM} $ (GR51, GR61 and GR81) are characterised both topographically and chemically. Their topography is studied by scanning force microscopy to obtain the corresponding pore-size distributions, which are in fair agreement with nominal molecular weight cut-offs. The composition of the surfaces of the membranes is analysed by X-ray photoelectron spectroscopy. The resulting percentage content of nitrogen, which could be attributed probably to an additive used in the manufacturing process, is shown to correlate with the portion of the total surface with different viscoelastic properties as investigated by using phase-contrast scanning force microscopy. Both parameters are increasing for membranes with decreasing molecular weight cut-off. Also, the additive seems to be more sparsely distributed for the membranes with bigger pores, according to fractal analysis. Finally, all the membranes are very similarly wettable. Prádanos, P. aut Hernández, A. aut Ariza, M.J. aut Benavente, J. aut Nyström, M. aut Enthalten in Applied physics. A, Materials science & processing Springer-Verlag, 1981 73(2001), 5 vom: Nov., Seite 555-560 (DE-627)129861340 (DE-600)283365-7 (DE-576)015171930 0947-8396 nnns volume:73 year:2001 number:5 month:11 pages:555-560 https://doi.org/10.1007/s003390100937 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_31 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_70 GBV_ILN_130 GBV_ILN_150 GBV_ILN_170 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4126 GBV_ILN_4277 GBV_ILN_4306 GBV_ILN_4310 GBV_ILN_4313 GBV_ILN_4315 GBV_ILN_4318 GBV_ILN_4700 UA 9001.A AR 73 2001 5 11 555-560
allfieldsSound	10.1007/s003390100937 doi (DE-627)OLC2074150296 (DE-He213)s003390100937-p DE-627 ger DE-627 rakwb eng 530 620 VZ 530 VZ UA 9001.A VZ rvk Palacio, L. verfasserin aut Phase-contrast scanning force microscopy and chemical heterogeneity of GR polysulfone ultrafiltration membranes 2001 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2001 Abstract. The surfaces of three commercial urea formaldehyde polysulfone membranes from Dow $ Denmark^{TM} $ (GR51, GR61 and GR81) are characterised both topographically and chemically. Their topography is studied by scanning force microscopy to obtain the corresponding pore-size distributions, which are in fair agreement with nominal molecular weight cut-offs. The composition of the surfaces of the membranes is analysed by X-ray photoelectron spectroscopy. The resulting percentage content of nitrogen, which could be attributed probably to an additive used in the manufacturing process, is shown to correlate with the portion of the total surface with different viscoelastic properties as investigated by using phase-contrast scanning force microscopy. Both parameters are increasing for membranes with decreasing molecular weight cut-off. Also, the additive seems to be more sparsely distributed for the membranes with bigger pores, according to fractal analysis. Finally, all the membranes are very similarly wettable. Prádanos, P. aut Hernández, A. aut Ariza, M.J. aut Benavente, J. aut Nyström, M. aut Enthalten in Applied physics. A, Materials science & processing Springer-Verlag, 1981 73(2001), 5 vom: Nov., Seite 555-560 (DE-627)129861340 (DE-600)283365-7 (DE-576)015171930 0947-8396 nnns volume:73 year:2001 number:5 month:11 pages:555-560 https://doi.org/10.1007/s003390100937 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_31 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_70 GBV_ILN_130 GBV_ILN_150 GBV_ILN_170 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4126 GBV_ILN_4277 GBV_ILN_4306 GBV_ILN_4310 GBV_ILN_4313 GBV_ILN_4315 GBV_ILN_4318 GBV_ILN_4700 UA 9001.A AR 73 2001 5 11 555-560
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author	Palacio, L.
spellingShingle	Palacio, L. ddc 530 rvk UA 9001.A Phase-contrast scanning force microscopy and chemical heterogeneity of GR polysulfone ultrafiltration membranes
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title_sort	phase-contrast scanning force microscopy and chemical heterogeneity of gr polysulfone ultrafiltration membranes
title_auth	Phase-contrast scanning force microscopy and chemical heterogeneity of GR polysulfone ultrafiltration membranes
abstract	Abstract. The surfaces of three commercial urea formaldehyde polysulfone membranes from Dow $ Denmark^{TM} $ (GR51, GR61 and GR81) are characterised both topographically and chemically. Their topography is studied by scanning force microscopy to obtain the corresponding pore-size distributions, which are in fair agreement with nominal molecular weight cut-offs. The composition of the surfaces of the membranes is analysed by X-ray photoelectron spectroscopy. The resulting percentage content of nitrogen, which could be attributed probably to an additive used in the manufacturing process, is shown to correlate with the portion of the total surface with different viscoelastic properties as investigated by using phase-contrast scanning force microscopy. Both parameters are increasing for membranes with decreasing molecular weight cut-off. Also, the additive seems to be more sparsely distributed for the membranes with bigger pores, according to fractal analysis. Finally, all the membranes are very similarly wettable. © Springer-Verlag 2001
abstractGer	Abstract. The surfaces of three commercial urea formaldehyde polysulfone membranes from Dow $ Denmark^{TM} $ (GR51, GR61 and GR81) are characterised both topographically and chemically. Their topography is studied by scanning force microscopy to obtain the corresponding pore-size distributions, which are in fair agreement with nominal molecular weight cut-offs. The composition of the surfaces of the membranes is analysed by X-ray photoelectron spectroscopy. The resulting percentage content of nitrogen, which could be attributed probably to an additive used in the manufacturing process, is shown to correlate with the portion of the total surface with different viscoelastic properties as investigated by using phase-contrast scanning force microscopy. Both parameters are increasing for membranes with decreasing molecular weight cut-off. Also, the additive seems to be more sparsely distributed for the membranes with bigger pores, according to fractal analysis. Finally, all the membranes are very similarly wettable. © Springer-Verlag 2001
abstract_unstemmed	Abstract. The surfaces of three commercial urea formaldehyde polysulfone membranes from Dow $ Denmark^{TM} $ (GR51, GR61 and GR81) are characterised both topographically and chemically. Their topography is studied by scanning force microscopy to obtain the corresponding pore-size distributions, which are in fair agreement with nominal molecular weight cut-offs. The composition of the surfaces of the membranes is analysed by X-ray photoelectron spectroscopy. The resulting percentage content of nitrogen, which could be attributed probably to an additive used in the manufacturing process, is shown to correlate with the portion of the total surface with different viscoelastic properties as investigated by using phase-contrast scanning force microscopy. Both parameters are increasing for membranes with decreasing molecular weight cut-off. Also, the additive seems to be more sparsely distributed for the membranes with bigger pores, according to fractal analysis. Finally, all the membranes are very similarly wettable. © Springer-Verlag 2001
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title_short	Phase-contrast scanning force microscopy and chemical heterogeneity of GR polysulfone ultrafiltration membranes
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