Figure 7.

Strategies for developing supersoft PDMS. a) Solvothermal polymerization of PDMS in hexane ensures that the network of crosslinked elastomer molecules is untangled and unbroken during subsequent stretching. Reproduced with permission.^{[ 109 ]} Copyright 2021, Springer. b) Adding crosslinking inhibitor (herein, Triton‐X) to reduce the degree of crosslinking. Reproduced with permission.^{[ 110 ]} Copyright 2018, American Chemical Society. c) Synthesizing highly branched bottlebrush PDMS with minimum chain entanglement. Reproduced with permission.^{[ 112 ]} Copyright 2020, Royal Society of Chemistry Mater.