Poly struts

See color plate) Strut-associated inflammation in response to the polyethylene-co-vinyl acetate—poly-n-butyl methacrylate polymers in porcine and canine models at two months. Source Adapted from Ref. 60. 

In this section, we describe a solution that employs a net-shaped structure to make flexible electronic film devices conformable to three-dimensional surfaces [18]. Although the base films we presently use are of polyimide and poly(ethylenenaph-thalate) (PEN) — materials that are stiff and not inherently stretchable in a rubberlike sense — our solution includes struts of network structures that twist with the application of tension, as can be seen in Figure 6.3.7. Due to this three-dimensional strut deformation, the whole network structure functions electrically with a unidirectional extension of 25%. We have implemented the pressure sensor network on the surface of an egg and have obtained pressure images in this configuration. 

Magnetic Resonance Imaging (MRI) becomes one of the useful microscopy and is used not only for the medical purposes but also for chemical applications. For polyurethane foams, the analysis of the distributions of many microstructural features, including strut length and window and cell shape distributions, were carried out. The diffusion behaviours of water in membrane is investigated by MRI in order to develop the polymer electrolyte fuel cells.The solvent diffusions and the swollen behaviors were investigated by MRI for hydroxy methyl cellulose,high amylose starch tablets, poly(ethylene methacrylate)/poly(2-hydroxyethyl methacrylate)-co-tetrahydro-... 

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