Epoxy resins (ERs) are highly flammable, and their recycling is full of hurdles. To overcome this issue, recyclable and inherently flame retardant (FR) epoxy-based covalent adaptable networks (CANs) represent a promising solution. Epoxy polyester vitrimers were developed by curing epoxy with a diphenyl phosphine oxide derivative (DPPOIPA), citric acid, and sol-gel binary (Nb2OSiO2, NbSi; P2O5-SiO2, SiP) and ternary (Nb2O5-P2O5-SiO2, SiNbP) acid solids. These latter enable dynamic bond exchange and a strong condensed phase action.
EFFECT OF MIXED OXIDES AS ACID CATALYSTS IN PHOSPHINE OXIDE EPOXYBASED COVALENT ADAPTABLE NETWORKS / Palumboa, Valeria; Wu Klingler, Wenyu; Bifulco, Aurelio; Imparato, Claudio; Lehner, Sandro; Aronne, Antonio; Gaan, Sabyasachi. - (2025), pp. 60-61. ( The 20th European Meeting on Fire Retardant Polymeric Materials (FRPM 2025) Madrid, Spain 03.-06. June, 2025).
EFFECT OF MIXED OXIDES AS ACID CATALYSTS IN PHOSPHINE OXIDE EPOXYBASED COVALENT ADAPTABLE NETWORKS
Aurelio Bifulco
Writing – Original Draft Preparation
;Claudio Imparato;Antonio AronnePenultimo
;
2025
Abstract
Epoxy resins (ERs) are highly flammable, and their recycling is full of hurdles. To overcome this issue, recyclable and inherently flame retardant (FR) epoxy-based covalent adaptable networks (CANs) represent a promising solution. Epoxy polyester vitrimers were developed by curing epoxy with a diphenyl phosphine oxide derivative (DPPOIPA), citric acid, and sol-gel binary (Nb2OSiO2, NbSi; P2O5-SiO2, SiP) and ternary (Nb2O5-P2O5-SiO2, SiNbP) acid solids. These latter enable dynamic bond exchange and a strong condensed phase action.| File | Dimensione | Formato | |
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