Figure 2.

a) Mechanochemical retro‐DA reaction of comb polymer M2 with anthracene‐maleimide moieties in solution. b) ¹H NMR spectra of M2 before and after 120 min sonication (5 mg mL⁻¹, THF, 10 W cm⁻², 0–5 °C, 1 s on and 1 s off), showing the products of the retro‐DA reaction as indicated by grey rectangles. c) The fraction of dissociated DA adducts, ζ _DA, and the number‐average molar mass of sonicated solution of M2, relative to that of intact M2, as a function of sonication time. The dashed lines are guide for eyes.