Mechanophoric 3‐Arm Star Functional Block Copolymer Based on Rhodamine Derivative. - Chakraborty, Swadhin; Chatterjee, Soumik; Singh, N. D. Pradeep; Lederer, Albena; Geisler, Martin; Li, Qiong; Al‐Hussein, Mahmoud; Voit, Brigitte; Singha, Nikhil K. (Macromolecular Materials & Engineering, 2026)