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

Author:

Oguz Oguzhan12345ORCID,Koutsoumpis Stefanos A.6789,Simsek Eren12345,Yilgor Emel10111245,Yilgor Iskender10111245,Pissis Polycarpos6789,Menceloglu Yusuf Z.12345ORCID

Affiliation:

1. Faculty of Engineering and Natural Sciences

2. Materials Science and Nano Engineering

3. Sabanci University

4. Istanbul

5. Turkey

6. Department of Physics

7. National Technical University of Athens

8. Athens

9. Greece

10. KUYTAM Surface Science and Technology Center

11. Chemistry Department

12. Koc University

Abstract

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

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

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