fig11
Figure 11. Homogeneous elastomers with patterned crosslink density. (A) Elastomer films with spatially patterned crosslink density achieved through a gradient thermal profile during the crosslinking process, along with an example of artificial iris application. Reproduced with permission[102]. Copyright 2024, Elsevier; (B) Schematic of an elastomer substrate with enhanced local crosslink density through UV patterning and a performance comparison with previous studies on rigid island applications. Reproduced with permission[103]. Copyright 2024, Wiley-VCH; (C) Schematic of TPV with varied modulus achieved by blending BPE and PLA (left), alongside a TEM micrograph of the TPV structure (right). Reproduced with permission[104]. Copyright 2015, The Royal Society of Chemistry. UV: Ultraviolet; TPV: thermoplastic vulcanizate; BPE: blending polyester elastomer; PLA: polylactide; TEM: transmission electron microscope.