INIQUI   05448
INSTITUTO DE INVESTIGACIONES PARA LA INDUSTRIA QUIMICA
Unidad Ejecutora - UE
artículos
Título:
Synthesis and characterization of composite membrane by deposition of acrylic acid plasma polymer onto pre-treated polyethersulfone support
Autor/es:
BETINA VILLAGRA DI CARLO; JUAN CARLOS GOTTIFREDI; ALBERTO CLAUDIO HABERT
Revista:
JOURNAL OF MATERIALS SCIENCE
Editorial:
SPRINGER
Referencias:
Año: 2010 vol. 46 p. 1850 - 1856
ISSN:
0022-2461
Resumen:
The plasma techniques were explored to
deposit a layer of hydrophilic polymer on asymmetric
porous membranes used as support material. Microporous
membranes were synthesized by the phase inversion technique
from polyethersulfone (PES) and submitted to a
surface treatment with RF-plasma of non-polymerizable
gas. Carbon dioxide (CO2) was selected to generate this
plasma and to increase the surface energy. Further plasma
treatment proceeded with acrylic acid (AA) in vapor phase
as source for the permanent surface hydrophilic functionalization.
The infrared spectra with horizontal attenuated
total reflectance (HATR) show that the deposited plasma
polymer provides a high concentration of carbonyl and
hydroxyl groups. The hydrophilic polymer layer was
evenly deposited, with good adhesion to the support, as
was observed by electronic microscopy (SEM). The surface
free energy (gs) was increased through plasma treatments
and confirmed by the decrease of contact angle (q)
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
and confirmed by the decrease of contact angle (q)
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
and confirmed by the decrease of contact angle (q)
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
and confirmed by the decrease of contact angle (q)
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
plasma and to increase the surface energy. Further plasma
treatment proceeded with acrylic acid (AA) in vapor phase
as source for the permanent surface hydrophilic functionalization.
The infrared spectra with horizontal attenuated
total reflectance (HATR) show that the deposited plasma
polymer provides a high concentration of carbonyl and
hydroxyl groups. The hydrophilic polymer layer was
evenly deposited, with good adhesion to the support, as
was observed by electronic microscopy (SEM). The surface
free energy (gs) was increased through plasma treatments
and confirmed by the decrease of contact angle (q)
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
and confirmed by the decrease of contact angle (q)
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
and confirmed by the decrease of contact angle (q)
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
and confirmed by the decrease of contact angle (q)
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
plasma and to increase the surface energy. Further plasma
treatment proceeded with acrylic acid (AA) in vapor phase
as source for the permanent surface hydrophilic functionalization.
The infrared spectra with horizontal attenuated
total reflectance (HATR) show that the deposited plasma
polymer provides a high concentration of carbonyl and
hydroxyl groups. The hydrophilic polymer layer was
evenly deposited, with good adhesion to the support, as
was observed by electronic microscopy (SEM). The surface
free energy (gs) was increased through plasma treatments
and confirmed by the decrease of contact angle (q)
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
nitrogen permeability decreased 650 times; after that a
dense thin film was deposited by plasma treatment during
40 min (at 5 W and 8 Pa). Final composite membranes
show stability, high surface hydrophilicity, and a surface
chemical nature very stable with time.
measurements and increase of adhesion work (Wa). The