Effect of soft segment molecular weight on the glass transition, crystallinity, molecular mobility and segmental dynamics of poly(ethylene oxide) based poly(urethane–urea) copolymers

• DOI: 10.1039/c7ra08007g
• Publication Date: 2017-08-18T13:53:31Z
• Authors: Oguzhan Oguz; Stefanos A. Kouts...; Eren Simsek; Emel Yilgor; Iskender Yilgor; Polycarpos Pissis; Yusuf Z. Menceloglu
• Keywords: Poly ethylene

The effect of poly(ethylene oxide) (PEO) soft segment molecular weight (<italic>M</italic>_n= 2000, 4600, 8000 g mol⁻¹) mobility and segmental dynamics a series polyurethane–urea copolymers (PU) was investigated by dielectric relaxation spectroscopy.