%0 Journal Article %T Effect of Cobalt Fillers on Polyurethane Segmentations Investigated by Synchrotron Small Angle X-Ray Scattering %A Krit Koyvanich %A Chitnarong Sirisathitkul %A Supagorn Rugmai %J Advances in Materials Science and Engineering %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/493867 %U http://dx.doi.org/10.1155/2013/493867