Dielectric relaxation of poly(ethylenglycol)- b-poly(propylenglycol)-b-poly(ethylenglycol) copolymers above the glass transition temperature

2001 ◽  
Vol 4 (2) ◽  
pp. 173-182 ◽  
Author(s):  
S. Moreno ◽  
R.G. Rubio ◽  
G. Luengo ◽  
F. Ortega ◽  
M.G. Prolongo
Keyword(s):  
Glass Transition ◽  
Transition Temperature ◽  
Glass Transition Temperature ◽  
Dielectric Relaxation

scholarly journals Synthesis of polar polynorbornenes with high dielectric relaxation strength as candidate materials for dielectric applications

2022 ◽  
Author(s):  
Francis Owusu ◽  
Martin Tress ◽  
Frank A. Nüesch ◽  
Sandro Lehner ◽  
Dorina M. Opris
Keyword(s):  
Glass Transition ◽  
Transition Temperature ◽  
Glass Transition Temperature ◽  
Dielectric Permittivity ◽  
Dielectric Relaxation ◽  
Ring Opening ◽  
High Glass Transition Temperature ◽  
Relaxation Strength ◽  
Metathesis Polymerization ◽  
High Dielectric

Polar polynorbornenes prepared by ring-opening metathesis polymerization show thermally switchable dielectric permittivity. The polymers exhibit a large dielectric relaxation strength and high glass transition temperature.

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