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Our scientific means

Chemical analysis and aging equipment

CNEP > CNEP International > Means of aging and analysis

Polymer Durability

Our aging devices

To carry out its research, the CNEP studies, develops and industrializes (in partnership with loudspeaker manufacturers) its own tools to accelerate aging.

SEPAP MHE et HE

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SEPAP 12/24

Weather-Ometer

Ventilated and climate ovens

Stress machine

Thermostatic baths

Some examples

  • Accelerated artificial photoaging chambers under anhydrous conditions: SEPAP 12.24 (30), SEPAP MHE (2)
  • Accelerated artificial photoaging chambers in aqueous conditions: SEPAP 12.24H (3)
  • Ultra-Accelerated Artificial Photoaging devices: SEPAP 50.24 (2), SEPAP MHE (2)
  • Environmental Stress Simulation device: ATLAS CI4000 Weather-O-Meter (1)
  • Climatic chambers: Vötsch VC 4034 (2), Secasi SLH34 (6)
  • Aerated drying ovens for the study of thermal aging (including 2 with “vacuum” option): (12)
  • Reactors for aging by oxidative hydrolysis in a thermoregulated aqueous solution: (7)
  • Dynamic fatigue tester + DMA: Instron 10KN-Electropuls E10000 (1)

Chemical analyzes and characteristics

Our means of analysis

Understanding the phenomena of aging and adjusting the Durability of Materials requires mastery of sophisticated analysis and characterization techniques.

Chemical analyzes and characteristics

Our means of analysis

Understanding the phenomena of aging and adjusting the Durability of Materials requires mastery of sophisticated analysis and characterization techniques.

FT-IR spectroscopy

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UV-visible spectroscopy

Microscopy

Colorimetry and glossmetry

Chromatography

DSC and ATG

Pull / Break Machine

Permeabilities

X fluorescence

Some examples

  • Spectrophotometries
    FTIR absorption spectrophotometry: transmission, Photo-Acoustic Detection (PAS), μIRTF, ATR (Germanium and Diamond), Imaging mode
    Spectrophotometry Raman-TF and Micro Raman-TF
    UV-Visible Absorption Spectrophotometry, Micro-spectrofluorimetry, Colorimetry and Spectrocolorimetry, Spectrophotometry, Gloss
  • Microscopy
    Optical Microscopy, Binocular microscope
  • Chromatography
    Gel Permeation Chromatography (GPC), Gas Phase, GC, GC / MS / FID Coupling
  • Thermal Analysis
    Differential calorimeter DSC, Thermogravimetry ATG, Muffle furnace
  • Mechanical properties
    Traction, Abrasimeter, Dart-test, Charpy pendulum sheep, Shore A and D durometer
  • Permeability
    Permeability to O2, simultaneous permeability to carbon dioxide, oxygen and nitrogen, Permeability to water vapor
  • Means of characterization
    Melt index Rotary gradient viscometer, Karl Fischer
  • Preparation
    Microtome, Cryogenic Microtome, Brabender Mixer, Heated Shelf Press
  • New acquisition of an energy dispersive X-ray fluorescence device.
  • Various equipment on the Cézeaux University Campus (UCA – Sigma)
    RPE, High Field NMR, Liquid Phase Emission Spectroscopy, HPLC, MEB

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our references

CNEP - Centre National d'Evaluation de Photoprotection

  • Phone: +33 473 40 5300
  • mail: contact@cnep-fr.com
  • Address: 25 avenue Baise Pascal
    63170 AUBIERE
    FRANCE
  • Durability and aging of polymer materials
  • Characterizations and chemical analyzes of polymers
  • Failures and degradation of finished products
  • Scientific expertise
  • Standards and specifications
  • Advice and training in the field of polymers
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