Supportby the"86 3"Program(No. 2 0 0 1AA335 0 5 0 ) and the"973"Program(No. 2 0 0 3CB6 15 6 0 0 ) of the People's Re-public of China
A series of polybenzoxazoles(co)polymers bearing crankshaft units in the main chain was synthesized by the conventional solution polycondensation of 4,6-diaminorescinol dihydrochloride, terephthalic acid(TA) and 2,6-n...