REACTION MIXTURE FOR COPOLYAMIDE SYNTHESIS Russian patent published in 1995 - IPC

FIELD: synthetic copolymer production. SUBSTANCE: reaction mixture has caprolactam, adipic acid and hexamethyleneadipamide salt, sebacic acid and hexamethylenediamine salt and modifying agent: compounds taken from the group involving glycols of the formula H(CH₂CH₂O)_nOH where n 4-115, molecular mass is 194-5060, esters of alcohols and dicarboxylic acids of the formula where R₁ radical of aliphatic or aromatic dicarboxylic acid containing 4-8 carbon atoms; R₂ radical of alcohol containing 4-8 carbon atoms, and novolacs phenolformaldehyde resins with molecular mass 600-100 or their mixtures. EFFECT: enhanced quality of reaction mixture. 1 tbl