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It was established experimentally that addition of the calculated amount of the cyclic oligomers isolated from extraction waters after treatment of equilibrium industrial granulate PA-6 to the initial reaction mixture… Click to show full abstract
It was established experimentally that addition of the calculated amount of the cyclic oligomers isolated from extraction waters after treatment of equilibrium industrial granulate PA-6 to the initial reaction mixture during the hydrolytic polymerization of caprolactam leads to an increase in the degree of transformation of caprolactam into the sections of the linear chains. It was shown that the use of regenerated caprolactam, obtained by the technology used in OAO “KuibyshevAzot”, in the synthesis of PA-6 is a technologically safe and economically favorable method of using the cyclic oligomers formed during hydrolytic polymerization of caprolactam.
Journal Title: Fibre Chemistry
Year Published: 2017
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