Polyurethane foam growth in Air Void Analyzer

W. BrostowLaboratory of Advanced Polymers and Optimized Materials (LAPOM), Department of Materials Science and Engineering and Department of Physics, University of North Texas, 3940 North Elm Street, Denton, TX, 76207, USACorrespondence[email protected]

G. GranowskiLaboratory of Advanced Polymers and Optimized Materials (LAPOM), Department of Materials Science and Engineering and Department of Physics, University of North Texas, 3940 North Elm Street, Denton, TX, 76207, USA

N. HnatchukLaboratory of Advanced Polymers and Optimized Materials (LAPOM), Department of Materials Science and Engineering and Department of Physics, University of North Texas, 3940 North Elm Street, Denton, TX, 76207, USA

Abstract

The authors have used an Air Void Analyzer (AVA) designed for concretes and applied it to polymeric foams. Similarly as with air voids in concretes, there is a kinetic process of foam cell formation and growth. Good results have been obtained for polyurethane foams. There seems to be no limitation in using AVA for other polymeric foams formation.

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Acknowledgements

The authors acknowledge Charles D. Welker, Miracon Technologies, Richardson, TX, USA, for making the AVA apparatus accessible to us.

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Polyurethane foam growth in Air Void Analyzer

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Polyurethane foam growth in Air Void Analyzer

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