Journal
EUROPEAN POLYMER JOURNAL
Volume 66, Issue -, Pages 129-138Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2015.01.034
Keywords
Foam; NonIsocyanate PolyUrethane; Cyclic carbonate; Blowing agent; Scanning electron microscopy
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Funding
- ANR project CYRRENAS
- European Union through the European Social Found within Cracow University of Technology development program - top quality teaching for the prospective Polish engineers
- University of the 21st century project [UDA-POKL.04.01.01-00-029/10-00]
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This article describes, for the first time, the synthesis of polyurethane foams from the reaction between cyclic carbonates and diamines to yield NonIsocyanate PolyUrethane (NIPU) foams. A poly(methylhydrogenosiloxane) was used as blowing agent to foam the NIPU by reaction with diamines. The raw materials were characterized in order to determine reaction stoichiometry. NIPU foams were characterized by scanning electron microscopy and by measurement of their swelling index and apparent density. The mechanical compression and the recovery of these NIPU foams were analyzed by dynamic mechanical analyses at room temperature. The foams exhibited glass transition temperature between -18 degrees C and 19 degrees C and a thermal stability above 300 degrees C. (C) 2015 Elsevier Ltd. All rights reserved.
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