Electronic Supplementary Material (ESI) for Faraday Discussions.
This journal is © The Royal Society of Chemistry 2016
Electronic Supplementary Information for
Three dimensional ink-jet printing of biomaterials using ionic liquids and co-solvents
Deshani H. A. T. Gunasekera*a, SzeLee Kueka, Denis Hasanaja, Yinfeng Hea, Christopher Tucka,
Anna K. Crofta and Ricky D. Wildmana
a
Faculty of Engineering, University of Nottingham, NG7 2RD, United Kingdom.
E-mail: [email protected]
Sample Preparation - Sample Number 1
Volume of [C4C1Im][OAc]
Density of [C4C1Im][OAc]
Mass of [C4C1Im][OAc]
= 8 mL
= 1.055 g/cm3
= 8.4400 g
Mass of cellulose was taken as 2% of the mass of [C4C1Im][OAc], i.e. 0.1688 g
Sample Preparation - Sample Number 5
Volume of [C4C1Im][OAc]
Density of [C4C1Im][OAc]
Mass of [C4C1Im][OAc]
= 6 mL
= 1.055 g/cm3
= 6.3300 g
Mass of cellulose was taken as 2% of the mass of [C4C1Im][OAc], i.e. 0.1266 g
Mass of DMSO was taken as 50% of the mass of [C4C1Im][OAc], i.e. 3.17 g
A
F
B
E
D
C
Figure S1. Apparatus used to fill the DIMATIX materials print cartridge. A) jetting
module B) fluid module C) fill needle D) 1 mL syringe E) cleaning pad and F) syringe
filter
Density Calculation - Sample Number 1
Mass Cellulose
Mass of [C4C1Im][OAc]
= 0.1688 g
= 8.4400 g
Total sample mass
= 8.6088 g
Density of Cellulose
Volume of Cellulose
=0.6 g/cm3
=0.28133 cm3
Density of [C4C1Im][OAc]
Volume of [C4C1Im][OAc]
= 1.055 g/cm3
= 8 cm3
Total sample volume
= 8.28122 cm3
Sample density
= 1.04 g/cm3
Density Calculation - Sample Number 5
Mass Cellulose
Mass of [C4C1Im][OAc]
Mass of DMSO
= 0.1266 g
= 6.33 g
= 3.17 g
Total sample mass
= 10.8876 g
Density of Cellulose
Volume of Cellulose
=0.6 g/cm3
=0.211 cm3
Density of [C4C1Im][OAc]
Volume of [C4C1Im][OAc]
= 1.055 g/cm3
= 6 cm3
Density of DMSO
Volume of DMSO
= 1.1 g/cm3
= 6 cm3
Total sample volume
= 9.0883cm3
Sample density
= 1.06 g/cm3
Scanning Electron Microscope (SEM) Images
A
B
Figure S2. SEM images obtained from Philips XL30 scanning electron microscope A)
sample 6 printed on PET and dried overnight at room temperature, B) sample 7 printed
on PET and dried overnight at room temperature
X Axis
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nm
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μm
Figure S3. WLI images and data obtained from Brunker Contour CT white light
interferometry for sample 6 printed on PET and dried overnight at room temperature
X Axis
300
250
nm
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100
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0
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μm
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nm
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μm
Figure S4. WLI images and data obtained from Brunker Contour CT white light
interferometry for sample 7 printed on PET and dried overnight at room temperature
X Axis
20
40
60
80 100 120 140 160 180 200 220 240 260 280 300 320
μm
nm
nm
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Y Axis
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μm
Figure S5. WLI data obtained from Brunker Contour CT white light interferometry for
sample 6 printed on PET and dried overnight at 50°C
200
220
240
nm nm
X Axis
500
450
500
400
450
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Y Axis
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80 100 120 140 160 180 200 220 240 260 280 300 320
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120
μm
140
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220
240
μm
Figure S6. WLI data obtained from Brunker Contour CT white light interferometry for
sample 7 printed and dried overnight at 50°C