Fig. 1. Preparation process workflow of the self-embrittle composite detergent

Fig. 2. The XRD spectra of nano-SiO₂, modified nano-SiO₂ and the self-embrittle composite detergent

Fig. 3. The FTIR spectra of nano-SiO₂, modified nano-SiO₂ and the self-embrittle composite detergent

Fig. 4. TGA curves of nano-SiO₂, modified nano-SiO₂ and the self-embrittle composite detergent

Fig. 5. TEM morphology of nano-SiO₂ (a, c) and self-embrittle composite detergent (b, d)

Fig. 6. Schematic representation of the possible interactions of nano-SiO₂, γ-mercaptopropyltriethoxysilane and random copolymer P(MMA-co-MAA-co-HFBMA)

Fig. 7. The morphology of the self-embrittle composite detergent with different monomer ratios after self-embrittle at room temperature, where monomer ratios are (a) MMA/MAA/HFBMA=8/4/0.1, (b) MMA/MAA/HFBMA=7/5/0.1, (c) MMA/MAA/HFBMA=6/6/0.1