Fig. 1. Synthesis of organosilicon quaternary ammonium salt

Fig. 2. Synthesis of fluorinated UV-curing monomer

Fig. 3. ¹H NMR spectrum (a) and FTIR spectrum of UV-F (b)

Fig. 4. ¹H NMR spectrum of QAC

Fig. 5. Coating morphology of cross-section: (a, b) coating with 15% (mass percent) 3UV-F∶7QAC; (c, d) coating with 15% (mass percent) 5UV-F∶5QAC

Fig. 6. Double bond conversion rate with 15% additives of different mix ratio (color online)

Fig. 7. Double bond conversion rate with different mass percent of 3UV-F∶7QAC (color online)

Fig. 8. Thermogravimetric analysis (TGA) with 15% additives of different mix ratio (color online)

Fig. 9. Inhibition circle diameter of additives with different content and mix ratio

Fig. 10. Experiment of inhibition circle

Fig. 11. Water contact angle photos of coating with 15% additives of different mix ratios: (a) 9UV-F∶1QAC;(b) 7UV-F∶3QAC; (c) 5UV-F∶5QAC; (d) 3UV-F∶7QAC; (e) 1UV-F∶9QAC; (f) coating of 0% additives;(g) water contact angle of different coatings