The reuse of multilayered materials, which are held together by structural epoxy adhesives, is a major challenge since the bonded substrates cannot be easily separated for recycling. In this research, we explore a one-pot strategy based on beta-amino ester chemistry for the development of modified epoxy adhesives with on-demand debonding potential. For this, a formulation of commercially available acrylate, epoxy and amine compounds is used. The research starts with a systematic study, demonstrating the influence of the different compounds on the thermal and adhesive properties of the materials. Subsequently, the potential for debonding is demonstrated using rheological measurements and tensile tests. The fast, catalyst-free Aza-Michael reaction enables the straightforward preparation of such epoxy-based adhesives, while the reverse reaction allows for debonding at 120 degrees C. In general, a chemical design is demonstrated for producing an industrially attractive generation of debondable epoxy-based adhesives.
Debondable Epoxy-Acrylate Adhesives using β-Amino Ester Chemistry
Laguzzi, EricaCo-primo
Writing – Original Draft Preparation
;
2024-01-01
Abstract
The reuse of multilayered materials, which are held together by structural epoxy adhesives, is a major challenge since the bonded substrates cannot be easily separated for recycling. In this research, we explore a one-pot strategy based on beta-amino ester chemistry for the development of modified epoxy adhesives with on-demand debonding potential. For this, a formulation of commercially available acrylate, epoxy and amine compounds is used. The research starts with a systematic study, demonstrating the influence of the different compounds on the thermal and adhesive properties of the materials. Subsequently, the potential for debonding is demonstrated using rheological measurements and tensile tests. The fast, catalyst-free Aza-Michael reaction enables the straightforward preparation of such epoxy-based adhesives, while the reverse reaction allows for debonding at 120 degrees C. In general, a chemical design is demonstrated for producing an industrially attractive generation of debondable epoxy-based adhesives.File | Dimensione | Formato | |
---|---|---|---|
maiheu-et-al-2024-debondable-epoxy-acrylate-adhesives-using-β-amino-ester-chemistry.pdf
file ad accesso aperto
Descrizione: Debondable Epoxy-Acrylate Adhesives using β-Amino Ester Chemistry
Tipologia:
Versione Editoriale (PDF)
Licenza:
Copyright dell'editore
Dimensione
1.96 MB
Formato
Adobe PDF
|
1.96 MB | Adobe PDF | Visualizza/Apri |
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.