Laboratory of Polymer Composites Engineering;
Changchun Institute of Applied Chemistry;
Chinese Academy of Sciences;
Changchun 130022;
P.R.China;
Ningbo Institute of Materials Technology and Engineering;
Chinese Academy of Sciences;
Ningbo 315201;
P.R.China;
Aerospace Research Institute of Special Materials and Technology;
Beijing 100076;
P.R.China;
Shandong Non-metallic Materials Institute;
Jinan 250031;
P.R.China;
2; 2′; 3; 3′-Biphenyltetracarboxylic; dianhydride; Phenylethynyl-terminated; imide; oligomer; Solubility; Processability; Thermosetting; polyimide;