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New Closed- and Open-Cell, Aldehyde-Free Protein Foams

Abstract : New aldehyde-free and isocyanate-free biofoams have been obtained by reacting albumin chicken egg white and dimethyl carbonate (DMC). The optimized formulations yielded lightweight foams whose densities were evaluated as 0.016–0.16 g/cm3. Mechanical resistance was 0.023–0.34 MPa and residual pH nearly neutral. The new foams presented up to 57% of closed cells as measured by helium pycnometry and good thermal insulation. These new natural foams are environmentally friendly materials and show very promising properties.
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Submitted on : Tuesday, January 5, 2021 - 10:44:39 AM
Last modification on : Friday, January 14, 2022 - 3:33:24 AM

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Maria Cecilia Basso, Antonio Pizzi. New Closed- and Open-Cell, Aldehyde-Free Protein Foams. Journal of Renewable Materials, 2017, 5 (1), pp.48-53. ⟨10.7569/JRM.2016.634124⟩. ⟨hal-03096935⟩



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