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Perfluorocarbon additives decrease thermal conductivity of polyurethane foams.
Author(s) : SAN R. van
Summary
Development work at 3M has demonstrated that the addition of certain fluorine-based compounds to rigid foam formulations can lower the foam's thermal conductivity. These compounds produce a microcellular morphology in the foam resulting in greatly improved insulation efficiency. These compounds are perfluorocarbons, which are of high molecular weight, but do not contain chlorine and thus do not contribute to the depletion of the ozone layer. One route currently being explored in detail uses pentane or cyclopentane as a blowing agent for rigid polyurethane foam.
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Details
- Original title: Perfluorocarbon additives decrease thermal conductivity of polyurethane foams.
- Record ID : 1995-2191
- Languages: English
- Source: CFCs, the Day After.
- Publication date: 1994/09/21
- Document available for consultation in the library of the IIR headquarters only.
Links
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Indexing
- Themes: Insulants
- Keywords: Thermal conductivity; Insulant; Polyurethane; Foam; Additive
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- Author(s) : GROSSMANN K.
- Date : 1991
- Languages : German
- Source: Klima Kälte Heiz. - vol. 19 - n. 1-2
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THERMAL AND MECHANICAL PROPERTIES OF POLYURETHA...
- Author(s) : SPARKS L. L., ARVIDSON J. M.
- Date : 1985
- Languages : English
- Source: J. Res. NBS - 14 p.; 19 fig.; 8 tabl.; 33 ref.
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Thermal conductivity aging of polyurethane foam...
- Author(s) : BART G. C. J., BRODT K. H., DU CAUZE DE NAZELLE G. M. R.
- Date : 1995/08/20
- Languages : English
- Source: For a Better Quality of Life. 19th International Congress of Refrigeration.
- Formats : PDF
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- Author(s) : SASKOV A. G., VOJTENKO A. G., EREMINA N. V.
- Date : 1986
- Languages : Russian
- Source: Kholodilnaya Tekhnika - n. 5
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Polyurethane rigid foam, a proven thermal insul...
- Author(s) : DEMHARTER A.
- Date : 1998/01
- Languages : English
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