Reference : Bio-based poly(hydroxyurethane) glues for metal substrates
Scientific journals : Article
Engineering, computing & technology : Materials science & engineering
Physical, chemical, mathematical & earth Sciences : Chemistry
http://hdl.handle.net/2268/222303
Bio-based poly(hydroxyurethane) glues for metal substrates
English
Panchireddy, Satyannarayana [University of Liège (ULiège), Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM) > > > >]
Grignard, Bruno [University of Liège (ULiège), Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM) > > > >]
Thomassin, Jean-Michel [University of Liège (ULiège), Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM) > > > >]
Jérôme, Christine mailto [University of Liège (ULiège), Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM) > > > >]
Detrembleur, Christophe mailto [University of Liège (ULiège), Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM) > > > >]
2018
Polymer Chemistry
Royal Society of Chemistry
9
2650-2659
Yes (verified by ORBi)
International
1759-9954
1759-9962
United Kingdom
[en] supercritical carbon dioxide ; polyurethane ; coating
[en] Bio- and CO2-based high performance thermoset poly(hydroxyurethane)s (PHUs) glues were designed from solvent- and isocyanate-free formulations based on cyclocarbonated soybean oil, diamines (aliphatic, cycloaliphatic or aromatic) and functional silica or ZnO fillers. Shear strength values and cohesive or adhesive failure of glues was correlated with the crosslinking, mechanical and thermal properties of the nanocomposite PHU thermosets. The addition of SiO2 or ZnO fillers bearing cyclic carbonate groups at their surface enabled to strongly improve the adhesion performances of the glues up to 173% compared to the unfilled PHUs. The most performant reinforced PHU adhesives showed a shear strength up to 11.3 MPa for aluminum substrate, and 10.1 MPa for stainless steel with cohesive failure. This study highlights that bio-based nanocomposite PHU thermosets are promising sustainable alternatives to conventional glues made of toxic formulations containing
Center for Education and Research on Macromolecules (CERM) ; Complex and Entangled Systems from Atoms to Materials (CESAM)
Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS ; Politique Scientifique Fédérale (Belgique) = Belgian Federal Science Policy ; The Walloon Region in the frame of the CO2Green and Flycoat projects
Researchers
http://hdl.handle.net/2268/222303
10.1039/c8py00281a

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