Figure 11.
(a) Bright-field TEM image of a phase-separated blend of polyisoprene (PI)-PS-P2VP star terpolymer and a PS homopolymer showing a 2D quasi-crystalline structure. The red lines show the structure is comprised of a packing of equilateral triangles and squares. Reproduced with permission.93 Copyright 2007, American Physical Society (b) SEM image of the spongy keratin structure of a scarlet macaw blue feather (inset). Reproduced with permission.204 Copyright 2012, National Academy of Science of the USA. (c) 6-valent polymer particles created by IL and UV/ozonolysis. Reproduced with permission.205 Copyright 2007, American Chemical Society.