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Dynamic Vapor Sorption

Methodology

Gravimetric vapor sorption provides the means for simultaneous determination of the isothermal concentration of water vapor and the diffusion coefficient for a defined sample geometry such as a polymer film.

Dynamic Vapor Sorption
Dynamic Vapor Sorption

Caracteristics

Capacity 5 gram
Resolution From 0.05μg
Stability Nominal ± 1μg/week
Control Range 0% to 100% RH
Absolute Calibration Accuracy ±1% (0-90%), ±2% (90-100%)
Regulation Accuracy ±0.02% RH
Gas Supply Dry air, N2 or He
Max. Flow Rate 500 ml/min (sccm)Measurement Range 5°C to 85°C
Regulation Accuracy ±0.025°C

Expertise

Several years of experience in the domain of polymer permeability

Results

Improvment of water barrier properties of polymeric materials by design of nanocomposites materials

References

Water as a morphological probe to study polymer-filler interfaces : an original application of thermoporosimetry, Phys.Chem.Chem.Phys.,2015, 17, 18751, A. Sidi, Jf Larche, Po Bussiere, Jl Gardette, S. Therias, M. Baba,
Influence of zeolite nanoparticles on photostability of ethylene vinyl
alcohol copolymer (EVOH) Polymer Degradation and Stability 121 (2015) 137-148 Ievgeniia Topolniak, Jean-Luc Gardette, Sandrine Therias

Applications

Determination of water barrier properties of polymer sheets used for encapsulation of solar cells

Localisation

Partner
ICCF Equipe Photochimie Groupe POPPI

Institution
Université Blaise Pascal - CNRS - SIGMA
Campus des Cézeaux Avenue Blaise Pascal 63 170 Aubière

Contact
J.Luc Gardette
33(0)4 73 40 71 77
luc.gardette@univ-bpclermont.fr

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