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Electronic Supplementary Information
An Inorganic Anionic Polymer Filter Disc: Direct Crystallization of a Layered Silicate Nanosheet on
a Glass Fiber Filter
by
Tomohiko Okada,†* Kei Shimizu,† and Tomohiko Yamakami§
† Department of Chemistry and Material Engineering, Faculty of Engineering, Shinshu University, Wakasato 4-17-1, Nagano 380-8553, Japan
§ Technology Division, Shinshu University, Wakasato 4-17-1, Nagano 380-8553, Japan
* E-mail: [email protected]
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Electronic Supplementary Material (ESI) for RSC Advances.This journal is © The Royal Society of Chemistry 2016
5.0 µm
Fig. S1. SEM image of the pristine silica fibers (ADVANTEC GB-100R).
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Fig. S2. A cross-sectional TEM image of F15q.
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1.0 µm
Inte
nsity
/a.u
.
2θ（Cu Kα）/degree
Fig. S3. (bottom) XRD pattern and (top) SEM image of the F15h fibers .
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2.0 µm 2.0 µm
Fig. S4. XRD patterns of (a) particles, which precipitated during the F50h synthesis, and (b) fibers in the filter part. SEM images of (c) the precipitates, and (d) the fiber part.
(c)
(d’) (d)
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Inte
nsity
/a.u
.
2θ（Cu Kα）/degree
< F50e >
Fig. S5. SEM images of fragments, which precipitated during the (a) F50e and (b) F15e syntheses, and (c) the XRD pattern of the precipitate in F15e synthesis.
< F15e >
(b)
(a)
(b’)
(c)
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MB
am
ount
ads
orbe
d (1
0-5 m
ol/s
heet
) MB
amount adsorbed (10
-5 mol/g)
Time (min)
0
10
20
30
40
0 20 40 60 80
F50e F50h F15h
Fig. S6. MB breakthrough curves of (a) F15e, (b) F15h, (c) F50e, (d) F50h, and (e) the adsorption isotherms of MB from aqueous solution on the Hect-coated fiber samples.
MB
am
ount
ads
orbe
d (1
0-5 m
ol)
Equilibrium concentration (10-5 mol)
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(e)
1.0 µm
Inte
nsity
/a.u
.
2θ（Cu Kα）/degree
Fig. S7. (bottom) XRD pattern and (top) SEM image of the FDq fibers.
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