Ren, Y., Su, C., Qiu, C., Zhu, P., Li, X., Yuan, L., Yang, Y., Zhao, Y., Wang, D., Dong, X. (2026). High Optical Transparency in the Alicyclic Poly(Ether‐b‐amide) Copolymer Induced by Multiscale Structure via Weak Microphase Separation. Advanced Materials. https://doi.org/10.1002/adma.73623