Synthesis and Properties of Thermally Stable Ladder Polymers Containing the 1,4-Pyrazine Ring Obtained from Polyheterocyclizations of Tetramines and Tetraketones in Poly(phosphoric acid) and m-Cresol
- 1 March 1973
- journal article
- Published by American Chemical Society (ACS) in Macromolecules
- Vol. 6 (2) , 158-162
- https://doi.org/10.1021/ma60032a002