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Study of cross-linking reactions of polysilanes
Shendrik, Alexander; Bacardit Dalmases, Anna; Ollé Otero, Lluís
Universitat Politècnica de Catalunya. Departament d'Enginyeria Química; Universitat Politècnica de Catalunya. ENGIBIO - Enginyeria i Biotecnologia
Nowadays, there are four types of commercially available cross-linkers for the leather industry: polyaziridines, polyisocyanates, polycarbodiimides and epoxy compounds. All these products present different chemical reactivity and have different reaction rates. This study explores the cross-linking reaction between an epoxy functional alkoxysilane and both acrylic binders and polyurethanes. Although this type of cross-linker is employed in sectors other than the leather industry, it can be used in finishing processes. A comparison of results indicates that such cross-linker presents a better cross-linking reaction rate than polyaziridine, polyisocyanate, polycarbodiimide and epoxy compounds.
Àrees temàtiques de la UPC::Enginyeria química
Crosslinking (Polymerization)--Congresses
Epoxy compounds
Cuirs i pells -- Congressos
Polimerització -- Congressos
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