• openAccess   Dielectric relaxation dynamics of high-temperature piezoelectric polyimide copolymers 

      Maceiras, A.; Costa, C. M.; Lopes, A. C.; San Sebastián, M.; Laza Terroba, José Manuel; Vilas, J. L.; Gomez Ribelles, Jose Luis; Sabater Serra, Roser; Andrio, Andreu; lanceros-mendez, senentxu; León Isidro, Luis Manuel Springer (2015-08)
      Polyimide copolymers have been prepared based on different diamines as comonomers: a diamine without CN groups and a novel synthesized diamine with two CN groups prepared by polycondensation reaction followed by thermal ...