Aromatic polyureas and polythioureas by a new polycondensation reaction using ethylene chlorophosphite as reagent |
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Authors: | Constantin I. Chiriac |
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Affiliation: | (1) P. Poni Institute of Macromolecular Chemistry, RO-6600 Jassy, Romania |
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Abstract: | Summary Aromatic polyureas and polythioureas are prepared from aromatic diamines and carbon dioxide or carbon disulfide, by a new direct polycondensation reaction with, ethylene chlorophosphite as reagent in pyridine as solvent and acceptor for hydrochloric. |
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