4-acryloylmorpholine/4-acryloylpiperidine statistical copolymers were synthesized by nitroxide mediated polymerization (NMP) with BlocBuilder unimolecular initiator in dimethylformamide solution at 120 degrees C. The copolymers had narrow molecular weight distributions (dispersity D=1.25-1.35, number average molecular weights M-n=8.5-13.7 kg mol(-1)). The copolymer microstructure was essentially statistical (reactivity ratios r(4AP)=0.81 +/- 0.73, r(4AM)=0.73 +/- 0.68 based on non-linear fitting of the Mayo-Lewis equation). Cloud point temperatures (CPT) in aqueous media were tuned from 11 degrees C to 92 degrees C, merely by adjusting the initial monomer composition. Using NMP permitted sharper control of the CPT transitions, compared to the similar copolymer made using conventional radical polymerization. (c) 2017 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2017, 55, 2160-2170