REACTION MIXTURE FOR SYNTHESIS OF COPOLYAMIDES

polymers, chemical technology. SUBSTANCE: invention describes a reaction mixture used for synthesis of copolyamides and comprising caprolactam, hexamethylenedimine and adipic acid salt, hexamethylenediamine and sebacic acid salt and water being a mixture comprises additionally piperazine and adipic...

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Hauptverfasser: KRYLOV A.L, KORJAGIN V.I, SHKURENKO S.I, KUZNETSOVA R.G
Format: Patent
Sprache:eng
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Zusammenfassung:polymers, chemical technology. SUBSTANCE: invention describes a reaction mixture used for synthesis of copolyamides and comprising caprolactam, hexamethylenedimine and adipic acid salt, hexamethylenediamine and sebacic acid salt and water being a mixture comprises additionally piperazine and adipic acid salt in the following ratio of components, wt.-%: caprolactam, 19.6-59.7; hexamethylenediamine and adipic acid salt, 4.1-36.5; hexamethyelene- -diamine and sebacic acid salt, 4.2- 70.2; piperazine and adipic acid salt, 0.4-16.7 and the amount of water is 30-50% of total mass of caprolactam and salts. EFFECT: enhanced technological effectiveness of synthesis of copolyamides. 1 tbl, 7 ex _