LUBRICANT FOR SYNTHETIC, PRIMARILY POLYACRYLONITRILE FIBERS Russian patent published in 1997 - IPC

FIELD: textile industry. SUBSTANCE: lubricant contains (in wt %): mineral oil, 6.64-9.83; oxyethylated stearic acid with average oxyethylation degree 6, 0.1-0.2; mixture of (C₁₆- C₁₈-alkyldioxyethylene)methyl-methyl- diethylammonium benzenesulfonates, 0.01-0.05; polyethylene glycol- isononylphenol ethers with average oxyethylation degree 12, 0.01-0.03; dibutylphthalate, 0.01-0.03; ammonium ferrocyanide, 0.04-0.05; and water, the balance. Characteristics: viscosity 3-4 cSt, high-quality yarn percentage, 76-78%; high-quality roving percentage 80-82%. EFFECT: improved performance characteristics. 1 tbl