Journal of Polymer Science Part B: Polymer Physics

Volume 43, Issue 13 pp. 1608-1617

Article

Extinction coefficient of polyolefin foams

R. A. Campo-Arnáiz,

R. A. Campo-Arnáiz

Polymeric Foams Group, Condensed Matter Physics Department, University of Valladolid, 47011 Valladolid, Spain

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M. A. Rodríguez-Pérez,

Corresponding Author

M. A. Rodríguez-Pérez

[email protected]

Polymeric Foams Group, Condensed Matter Physics Department, University of Valladolid, 47011 Valladolid, Spain

Polymeric Foams Group, Condensed Matter Physics Department, University of Valladolid, 47011 Valladolid, SpainSearch for more papers by this author

B. Calvo,

B. Calvo

Polymeric Foams Group, Condensed Matter Physics Department, University of Valladolid, 47011 Valladolid, Spain

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J. A. de Saja,

J. A. de Saja

Polymeric Foams Group, Condensed Matter Physics Department, University of Valladolid, 47011 Valladolid, Spain

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R. A. Campo-Arnáiz,

R. A. Campo-Arnáiz

Polymeric Foams Group, Condensed Matter Physics Department, University of Valladolid, 47011 Valladolid, Spain

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M. A. Rodríguez-Pérez,

Corresponding Author

M. A. Rodríguez-Pérez

[email protected]

Polymeric Foams Group, Condensed Matter Physics Department, University of Valladolid, 47011 Valladolid, Spain

Polymeric Foams Group, Condensed Matter Physics Department, University of Valladolid, 47011 Valladolid, SpainSearch for more papers by this author

B. Calvo,

B. Calvo

Polymeric Foams Group, Condensed Matter Physics Department, University of Valladolid, 47011 Valladolid, Spain

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J. A. de Saja,

J. A. de Saja

Polymeric Foams Group, Condensed Matter Physics Department, University of Valladolid, 47011 Valladolid, Spain

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First published: 12 May 2005

https://doi.org/10.1002/polb.20435

Citations: 49

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Abstract

The extinction coefficient of a collection of polyolefin foams was investigated experimentally and theoretically. Transmittance spectra were measured with Fourier transform infrared spectroscopy (FTIR) for samples of various thicknesses and different chemical compositions, densities, colors and structural characteristics. The extinction coefficients were then calculated by applying Beer's law. The results showed that the extinction coefficient decreased with the mean cell size and that this was the main structural parameter influencing the extinction coefficient of the foams under study. The experimental results agreed well with the Glicksman model. Moreover, the total thermal conductivity was calculated in terms of the Rosseland equation with an accuracy of 5%. © 2005 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 43: 1608–1617, 2005

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Volume43, Issue13

1 July 2005

Pages 1608-1617

Extinction coefficient of polyolefin foams

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Extinction coefficient of polyolefin foams

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