Title: Does the Johari−Goldstein β‑Relaxation Exist in Polypropylene Glycols?
Authors: K. L. Ngai, S. Pawlus, K. Grzybowska, K. Kaminski, S. Capaccioli, M. Paluch
Journal: Macromolecules
Publication type: article
DOI: 10.1021/acs.macromol.5b00832