Abstract
Two novel kinds of flexible magnetic copolymer films were prepared via copolymerization using magnetic ferrocenyl prepolymer (MFP) and poly(arylene ether nitrile)s with bisphthalonitrile functional group. Two types of poly(arylene ether nitrile)s with bisphthalonitrile functional group were used and two series of flexible magnetic copolymer film with different structure were obtained. The magnetic properties of copolymer films indicated that the films were soft magnetic. Moreover, it was also concluded that the magnetic properties of magnetic films prepared from phthalonitrile terminated poly(arylene ether nitrile)s were higher than that of magnetic films prepared from poly(arylene ether nitrile)s with pendant phthalonitriles at the same content of MFP. The results of thermogravimetry showed that the all of the copolymer films possessed high decomposition temperature. Like the magnetism, the dielectric constant and dielectric loss of films obtained from phthalonitrile terminated poly(arylene ether nitrile)s were also higher than that of films obtained from poly(arylene ether nitrile)s with pendant phthalonitriles.
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