Centre of Expertise Biobased Economy · 2018. 4. 3. · Biobased Economy Willem Böttger Op zoek...
Transcript of Centre of Expertise Biobased Economy · 2018. 4. 3. · Biobased Economy Willem Böttger Op zoek...
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Centre of ExpertiseBiobased Economy
Willem Böttger
Op zoek naar biobased coatings voor composieten
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LightLow maintenanceDouble curved formingFunction Integration
Composites are a growth market because of advantages …
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Façade elements Enexis
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Composites make light & large possible
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… but do have a disadvantage
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Biocomposite value chain
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Ashby Materials Chart
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… SOYA BEAN OIL …… LINSEED OIL … … FURANES …
BALSA WOODKURK PLA foam
Biocomposites
UD Woven non woven FLAX/HEMP FIBERS
RESINS BASED ON SUGARS
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Bio composites next to environmental do have more advantages:Acoustics, Radiance permeability, Aesthetics, Safety and Performance
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0,5
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1,5
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Base Strong Light UD Aluminium Steel
Sp. Plate Stiffness as measured by NPSP (E 1/3/ρ)
N-1010
N-3010
N-5010
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Vibration damping much better
• Experiment1: UD flax vs UD carbon panels, [0°]9, epoxy, equal geometry
0 0.5 1 1.5 2-1
-0.5
0
0.5
1
Tijd [s]
Ver
plaa
tsin
g (g
enor
mal
isee
rd)
Gesimuleerde Impuls Responsie Buigmode
Carbon
Vlas
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Bio based Façade elements
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Maarten van Severen chair
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Renovation of flat unit, cover of air-air heat exchanger for heat pump
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Flax and hemp based monocoque scooter frame replacement of steal
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Biocomposite Bridge – realisation coming weeks
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-16Bron: Hans de Wit
SPARK
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Coating belangrijk:
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• Vocht, maar dampopen
•UV/kleur
• Krassen
• Brand
• Bacteriën en schimmels te verminderen
En
• biobased
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-18BronMoisture absorption capacity of natural insulation materialsl (Holcroft & Shea, 2013) en Joost de Vree
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Water uptake of composites
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-10%
-8%
-6%
-4%
-2%
0%
2%
4%
6%
8%
0 50 100 150
we
igh
t ch
ange
in f
lax
par
t o
f la
min
ate
days
flax used asreceived (20 °C /50% RH)
extra moist flax(100% RH)
oven-dried flax
max uptake, dryflax
max loss, moistflax
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-20Bron: Àmphia ziekenhuis,
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: Survival curve of E. coli ST131 hourly during the first day up to 7 hours and daily up to 3 days on glass and hemp composite*. Error bars are proposing the 95% confidence intervals.
Bron: Àmphia ziekenhuis,
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-22Bron: KIWA BDA testing