nano-enhanced applications for defence · current market activities promethean is currently working...
TRANSCRIPT
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Nano-Enhanced Applications for Defence
Ed LesterTechnical Director
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NANOPARTICLE PRODUCTION
COMMERCIALAPPLICATIONS
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An enabling technology…
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SCALE UP OF THE TECHNOLOGY
PROJECT SHYMAN2012-2016
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Full Scale Plant build underway
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Infinity (@ 1,000tn/yr)– Fully Commissioned
Confidential
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MATERIALS CLASS EXAMPLES OF WHAT HAS BEEN MADE
• Metals… Ag, Pd, Pt, Au, Cu, Ni
• Metal Oxides… ZnO, ZrO2, TiO2, CeO2, CuO, FeOx
• Mixed Metal Oxides… Ce1-xZrxO2, doped oxides
• Complex Oxides… BaTiO3, Sr(1-x)BaxTiO3, Ferrites
• Carbonates… CaCO3, SrCO3
• Sulfides… CdS, ZnS, CuS, PbS, MoS2, Fe(1-x)S, Bi2S3,
• Hydroxides… Al(OH)3, Mg(OH)2
• Oxyhydroxides… AlO(OH)
• Phosphates… LiFePO4, LMP, hydroxyapatite
• LDHs… Ca2AlNO3, Zn2AlCr-CO3 and Zn2Al-CO3.
• MOFs… HKUST-1, Ni-74, MIL53, NOTT400, ZIF8
Wide range of chemistries…*Commercial scale-up demonstrated
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Current Market Activities
Promethean is currently working across a wide range of industries
• Printed Electronics - conductive, insulating and semi-conducting inks
• 3D Printing / Additive Manufacturing
• Green Energy - solar, fuel cells, hydrogen storage, batteries etc.
• Nanocomposites - polymer additives for enhanced performance (pigments, anti-scratch, anti-reflective, conductivity, barrier properties)
• Healthcare - bone scaffolds, diagnostics, contrast agents
• Catalysis - precious metals, ceramics
Confidential
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Our approach
HA plates HA rods
Titania NPs
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Our approach
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Yarn pull-out test
1. Starting configuration - yarn pre-loaded
2. Yarn uncrimping – Architecture of the sample is varied
3. Peak load –Maximum = sample’s static friction
4. Drop in force as static friction is overcome
5. Plateau load – Dynamic friction
6. Translation - Tail goes pass the last cross yarn
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Yarn pull-out test
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Fabric Coating Type Test
Number
Depth of
penetration
measured
(mm)
Average
depth of
penetration
(mm)
Standard
Deviation
(mm)
Normalised
Penetration
(mm/J)
High Density PE
No coating (Control)
1 37
48.33 6.68 2.01
2 46
3 53
4 56
5 47
6 51
2.5%wt coating
1 24
20.67 2.34 0.86
2 19
3 20
4 23
5 18
6 20
5%wt coating
1 6
6.75 0.50 0.282 7
3 7
4 7
2.5%wt coating top
and 5%wt bottom
1 7
6.50 0.58 0.272 6
3 6
4 7
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MOVING FORWARDS
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Coatings
• Retrofitting - The idea that old vests beyond shelf life can be hand sprayed to extend lifetime.
• Bombsuits – the performance of the coated fabric will be significantly higher than non-coated
• Bomb bags – same as above
• Fragment resistance – helmets, vehicles etc
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Electronics
• Stress Strain Gauges – in helmets, plates etc to determine structural integrity
• Moisture Sensors – time temperature and moisture sensing to determine performance integrity
• RFiD tagging – ownership and other security data
• Wireless Sensors – activation/connection for holsters etc
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Hybrid Performance Materials
• EM shielding – magnetic/microwave absorbers
• UV resistance - doped ceramics that adsorb UV A and B
• Flame Retardancy – the additional of nano-flame retardants such as ATH and LDHs
• Antibacterial – Mg, Ag, ZnO and copper nanoparticles
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Conclusions
1. Promethean Particles has a scaled, sustainable and cost effective platform technology for the manufacture of many different materials for the defence and security market.
2. We have shown that the nano ceramic coating can drastically improve spike and knife resistance and this has been tested with full scale production runs.
3. There are many new applications waiting to be tested including potential for fragment and blast resistance.
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CONTACT DETAILS
Ed Lester Technical Director [email protected]
Laurie Geldenhuys CEO [email protected]
Selina Ambrose Technical Manager [email protected]
1 Genesis Park, Midland Way, Nottingham, NG7 3EF+44 (0)115 967 8119