Citation:
SUN Benhui. STUDY ON THE MECHANISM OF NYLON 6, 6 DISSOLVING PROCESS USING CaCl2/MeOH AS THE SOLVENT*[J]. Chinese Journal of Polymer Science,
1994, 12(1): 57-65.
STUDY ON THE MECHANISM OF NYLON 6, 6 DISSOLVING PROCESS USING CaCl2/MeOH AS THE SOLVENT*
摘要:
A discussion of the mechanism of nylon 6, 6 dissolving process using CaCl2/MeOH as the sol-vent is presented. The calcium chloride forms a complex compound with nylon 6, 6 by breakingthe hydrogen bonds. The melting point of the CaCl2 --nylon 6, 6 complex was found to be reducedby 91K relative to the pure nylon 6, 6 polymer. The role of methanol is somewhat similar to acatalyst. The results demonstrate that the complexation of a Lewis acid (CaCl2) and a Lewis base(nylon 6, 6) can be used to probe intermolecular interactions such as hydrogen bonding in polymers,to modify the polymer properties and mediate its solubility and processing.
English
STUDY ON THE MECHANISM OF NYLON 6, 6 DISSOLVING PROCESS USING CaCl2/MeOH AS THE SOLVENT*
Abstract:
A discussion of the mechanism of nylon 6, 6 dissolving process using CaCl2/MeOH as the sol-vent is presented. The calcium chloride forms a complex compound with nylon 6, 6 by breakingthe hydrogen bonds. The melting point of the CaCl2 --nylon 6, 6 complex was found to be reducedby 91K relative to the pure nylon 6, 6 polymer. The role of methanol is somewhat similar to acatalyst. The results demonstrate that the complexation of a Lewis acid (CaCl2) and a Lewis base(nylon 6, 6) can be used to probe intermolecular interactions such as hydrogen bonding in polymers,to modify the polymer properties and mediate its solubility and processing.
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