Synthesis and function studies on formaldehyde adsorption of PEI-PU copolymers

The molecular structure of branched-chain polyethyleneimine (PEI) was determined by 13C NMR, which guided the reaction of the primary amine groups in the PEI molecule with IPA-protected MDI-PTMG monoisocyanate polyurethane prepolymer to prepare PEI copolymer-modified polyurethanes (PEI-PUs). The suc...

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Veröffentlicht in:	Journal of physics. Conference series 2024-08, Vol.2819 (1), p.012010
Hauptverfasser:	Wei, Yanhong, Yu, Xiaowen, Zhang, Luziping, Liu, Wenbo, Yong, Cong, Yun, Tian
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption Chain branching Chemical synthesis Copolymers Formaldehyde MDI derived polyurethane Molecular chains Molecular structure NMR Nuclear magnetic resonance Polyethyleneimine Polyurethane Polyurethane resins Prepolymers Room temperature
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