A novel robust imidazolium salt incorporating a 2,2-di-n-butyl-[1,2,3]dioxastannolane moiety was synthesized and characterized. Its effectiveness as a transesterification catalyst in the entropically-driven ring-opening polymerization (ED-ROP) of macrocyclic oligomers of butylene terephthalate (BT-MCOs) was proven. A supported version of the tin-based imidazolium-modifed catalyst on montmorillointe was then prepared and fully characterized. Poly(butylene terephthalate)-montmorillonite nanocomposites were obtained by in situ polymerization and characterized by X-ray diffraction and transmission electron microscopy.
Poly(butylene terephthalate)-clay nanocomposites from in situ entropically-driven ring-opening polymerization by a novel supported tin-based imidazolium-modified catalyst
Stagnaro P;Conzatti L;Utzeri R;
2015
Abstract
A novel robust imidazolium salt incorporating a 2,2-di-n-butyl-[1,2,3]dioxastannolane moiety was synthesized and characterized. Its effectiveness as a transesterification catalyst in the entropically-driven ring-opening polymerization (ED-ROP) of macrocyclic oligomers of butylene terephthalate (BT-MCOs) was proven. A supported version of the tin-based imidazolium-modifed catalyst on montmorillointe was then prepared and fully characterized. Poly(butylene terephthalate)-montmorillonite nanocomposites were obtained by in situ polymerization and characterized by X-ray diffraction and transmission electron microscopy.| File | Dimensione | Formato | |
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