Materia Nova, your partner for coating development

Materia Nova team members are skilled in guiding you in coating development for your application. Expertise is provided to industries through a global technological platform fully dedicated to coating formulation, application and characterization.

  1. Development of innovative formulations

    formulation

    • Expertise in hybrid organic/inorganic coatings by sol gel processes : multiple functionalities depending on the choice of precursors, types of catalysis, additives, etc. Materia Nova brings solutions for corrosion protection, anti-fouling and anti-microbial properties, UV barrier, energy management (opto-thermal layers), etc.
    • Synthesis of biobased resins to formulate durable varnishes and paints : Materia Nova extends its skills in polymer synthesis to offer new solutions in the perspective of development of biobased, waterborne, solvent free or non-isocyanate polyurethane-based coatings.
    • Functionalization of nanoparticles as innovative pigments for active corrosion protection, enhanced barrier properties, increased UV resistance, etc

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  2. Formulation facilities
    formulation

     

    • Characterization of liquids : viscosity and rhelology measurements
    • Surface tension
    • Particle size distribution : pigments, charges, nanoparticles
    • Thermal properties (for resins): DSC, TGA
    • Micro-Raman and Fourier Transformed Infrared (FTIR) analysis enable to determine qualitatively functional groups in several materials (inorganic, polymers, contaminations …). Chemical mappings of surfaces are obtained with a spatial resolution of one micron.
    • UV -visible-NIR spectrophotometry is used to obtain the optical properties of bulk and coated substrate (absorbance, reflection or transmission mode).

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  3. Application facilities

    application

    • Spray, Dip coating, Spin coating
    • Bar-coating, brush coating
    • Ovens (thermal curing)
    • UV conveyor (UV curing)

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  4. Characterization of applied coating
    applied coating
    • Thickness (Foucualt, profilometry)
    • Adherence (cross-cut, pull-off, bending, etc)
    • Mechanical resistance (hardness, tribometry)
    • Appearance (color, gloss)
    • Contact angle measurements
    • Residual stress : coating stressmeter
    • Chemical resistance
    • A scanning electron microscope (SEM) enables to visualize objects with magnification up to 300 000x and a resolution of 1 nm.
    • The energy dispersive X-ray spectroscopy (ED X) coupled with both SEM and TEM is used to localize and determine the chemical nature of elements in the sample.

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  5. Performance evaluation following standards
    home made

    • Salt spray (neutral : ISO 9227 / ASTM B 117 ; acetic)
    • Climatic chambre
    • Condensation tests (QCT)
    • Kesternich (SO2)
    • QUV
    • Ozone (ASTM D 1149)

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  6. Electrochemical measurements
    electrochimie
    • Characterization of protective coatings: barrier properties, porosity, water permeability, delamination, filiform corrosion,…
    • Development of electrochemical methods for the corrosion monitoring
    • Ac/dc/ac cycles: combination of EIS and cathodic polarization to follow the evolution of a coated metal under cathodic delamination
    • Edge corrosion: evaluation of the edge protection by performing electrochemical measurements on coated knive blades

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