fig3

Microstructure engineering of core-shell flame retardants: SiO<sub>2</sub> and MXene encapsulated ammonium polyphosphate for fire-safe thermoplastic polyurethane

Figure 3. (A) EDS; (B) FTIR; (C) XRD; (D) TGA of APP and APP@PEI@SiO2@MXene. EDS: Energy-dispersive X-ray spectroscopy; FTIR: Fourier-transform infrared spectroscopy; XRD: X-ray diffraction; TGA: thermogravimetric analysis; APP: ammonium polyphosphate; PEI: polyethyleneimine.

Microstructures
ISSN 2770-2995 (Online)

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