The hyperchromic conversion medicine of the fiber product which

摘要

PPROBLEM TO BE SOLVED: To provide a color deepening agent having a high effect of recovering the color of a textile product dyed blue. PSOLUTION: The color deepening agent for the textile product dyed blue contains 0.1-10 mass% of quaternary ammonium salt of which four groups bound to a nitrogen atom are each a 3-6C alkyl group. PCOPYRIGHT: (C)2008,JPO&INPIT