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The solubility of many alkali metal salts shows negative temperature dependence in poly(ethylene oxide) (PEO) oligomer. When a PEO oligomer solution containing salt is heated, salt crystals are phase separated. This unusual phenomenon was analysed systematically for a variety of inorganic salts. These salts were shown to have relatively high lattice energy and are known to form no complex with PEO.

Посилання на статтю:

Relation between unusual solubility of salts in poly(ethylene oxide) oligomers and complex formation / Hiroyuki Ohno* and Kaori Ito // Polymer. – 1993. – Vol 34. – P. 4171-4172.

Relation between unusual solubility of salts in poly(ethylene oxide) oligomers and complex formation - Завантажити.