Figure 10.

(a) The summary of “double-click” chemistry: the mesogenic diacrylate (RM82) first reacts with a dithiol (EDDT), which is in excess. Following that, the thiol-terminated oligomer chains are photopolymerized with the vinyl bonds of the ring-siloxane, leading to the permanent network with 4-functional cross-links. (b) The general scheme of siloxane exchange enabled by an acid or base catalysis. (c) The programmed shape of a helix reversibly unwinds into a flat strip in the isotropic phase. (d) A thermally molded continuous strip combining three different xLCE materials with increasing T_i. Adapted with permission from ref (97) under CCBY license, Springer Nature.