Thermo-reversible gelation of atactic poly(methyl methacrylate) in poly(ethylene glycol) oligomers Yun Gao, Chunhong Yu, Minzhi Chen, Xiaoliang Wang, Dongshan Zhou and Gi Xue Eur. Phys. J. E, 36 4 (2013) 37 Published online: 19 April 2013 DOI: 10.1140/epje/i2013-13037-8