“Hierarchically Porous Polymers from Hyper-cross-linked Block Polymer Precursors” by Myungeun Seo, Soobin Kim, Jaehoon Oh, Sun-Jung Kim, and Marc A. Hillmyer was just published in the Journal of the American Chemical Socieity as an ASAP article.
Link: http://pubs.acs.org/doi/abs/10.1021/ja511581w