article/chapitre/communication

Calculation model for the prediction of gas diffusion and ageing of CFC free pur rigid foam

R. Walter ; S. Wendel ; UTECH'92 conference proceedings, Hague, 31 Mars-2 Avril 1992 (1992) | 1992

The cell gas diffusion in CFC free water/CO2 and pentane blown pur rigid foams for building application was investigated. Based on measurements of the cell gas composition by gaschromatograph the gas diffusion coefficients were determined and a [...]

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