Avoiding fusion of electrospun 3,3 ',4,4 '-biphenyltetracarboxylic dianhydride-4,4 '-oxydianiline copolymer nanofibers during conversion to polyimide
Avoiding fusion of electrospun 3,3 ',4,4 '-biphenyltetracarboxylic dianhydride-4,4 '-oxydianiline copolymer nanofibers during conversion to polyimideAvoiding fusion of electrospun 3,3 ',4,4 '-biphenyl