Conclusions
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1.
Polyamides were prepared from 3,3′-(phenylphosphinylidene)dipropionic acid with 1,6-hexanediamine, 1,8-octanediamine, m- and p-phenylenediamines,and toluenediamine.
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2.
The polyamides derived from aromatic diamines have higher melting points than polyamides from aliphatic diamines.
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3.
Polyamides were prepared by the polycondensation of 3,3'-(phenylphosphinylidene)bispropylamine with aliphatic dicarboxylic acids and with dimethyl terephthalate.
-
4.
All the polyamides synthesized have the property of self-extingushing on removal from a flame.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 2, pp. 362–267, February, 1967.
It is our pleasant duty to express our sincere thanks to B. A. Arbuzov for constant interest in this work.
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Vinokurova, G.M., Aleksandrova, I.A. Phosphorus-containing polymers. Russ Chem Bull 16, 343–346 (1967). https://doi.org/10.1007/BF00912441
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DOI: https://doi.org/10.1007/BF00912441