Effect of PEO molecular weight on the miscibility and dynamics in epoxy/PEO blends Shoudong Lu, Rongchun Zhang, Xiaoliang Wang, Pingchuan Sun, Weifeng Lv, Qingjie Liu and Ninghong Jia Eur. Phys. J. E, 38 11 (2015) 118 Published online: 20 November 2015 DOI: 10.1140/epje/i2015-15118-0