Supported by the National Natural Science Foundation of China(No.51173155).
This paper deals with the relationships between the structure of poly(p-phenylene vinylene)(PPV) film and treatment temperature and their mechanical properties.The chemical structures and aggregated structures of ...
supported by the National Natural Science Foundation of China(No.51173155);the Hebei Province Science Foundation of China(No.E2010001182)
Based on an analysis of the 1H NMR,FT-IR,UV-vis spectra,a chiral trimeric phenylene vinylene derivative(ChTPV) synthesized by a Wittig reaction was determined to have a trans-cis configuration, and it could be isome...
supported in part by the National Natural Science Foundation of China(No.51173155);the Hebei Province Science Foundation of China(No.E2010001182)
In this study,a novel series of chiral 1,2-propanediol derivatives with different electron-donating and electron-withdrawing groups were synthesized and characterized by FT-IR and ~1H NMR.The helical twisting properti...