A study of Carbon Nanotubes as Smart Reinforcemants for Glass/ Glass ceramic ...
CNT in nanocomposites and structural composites
1. Latest Development of Carbon Nano Tubes in Nanocomposites and Structural Composites Luca MEZZO Senior R&D Manager [email_address]
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3. CNT random CNT confined CNT oriented CNT localized Nanocyl Vision from Today Products to Next Generations STARTING POINT FIRST GENERATION SECOND GENERATION THIRD GENERATION A=CNT at the interphase support/matrix B=CNT as central layer in matrix C=CNT at the surface of the matrix A=CNT perpendicular at the interphase support/matrix B=CNT perpendicular to the support and through the tickness of the matrix
4. From Today to Next Generation, How CNT Properties CNT-Matrix Interactions CNT Dispersion Nanocomposite Processing Final CNT Network Final Targeted Properties
8. M w 12,400 M w 14,600 M w 15,900 M w 19,300 M w 21,300 Within the M w range of investigated, we observed a Lilly-like effect that was characterised by unique exfoliation pattern. Lilly The Lilly’s pattern conforms to a trend with respect to M w (see schema). Schema Lower M w = loosely spread Lilly Higher M w = densely populated Lilly PlastiCyl: Influence of Polymer and Processing
12. Observation: BioCyl passes the fouling test easily at considerably lower settlement levels than the commercial anti-fouling paint. BioCyl: Settlement of Barnacles After 24 Hours Patented Technology BioCyl 0 20 40 60 80 100 120 140 glass silicone resin without CNT mean percentage settlement compared to the glass standard (%) 160 Commercial anti-fouling paint Pass line: paints with lower values pass the fouling test
22. EpoCyl: Dispersion Rate to Achieve the Right Dispersion = Right Morphology Nanofibers CNT Competitor Hand Mixing Standard mixing High Shear, short time mixing High Shear, long time mixing Neat Epoxy Resin (DGEBA) Nanocomposite NC7xxx Unmodified Resin NC7000 Good Dispersion NC7XXX, average dispersion Structural Composite (Epoxy+carbon fiber 60% fv)
23. Focus on a replaceable material: Copper mesh The function of this material is to drive the current resulting from a lightning strike on preferential route. It is generally embedded under one ply of composite material. Level of conductivity reached by embedded CNTs can help dissipate the strike with less metallic mesh Lighter structures with higher fuel efficiency EpoCyl, Lower Lightning Strike Damage
24. Patented Technology Nanocomposite Matrix Reinforcement material Fiber Sizing
25. Patented Technology SiziCyl: Interface Properties Single fiber push-out tests sample Avg value of interfacial strength (Mpa) Virgin glass fibers/epoxy 177 Sized glass fibers/Epoxy 328