Tiefer und rascher anfaerbbare Polyamidmasse und Verfahren zu ihrer Herstellung

摘要

Nylon 66 is rendered more susceptible to dyeing by incorporating therein during condensation 0.2 to 2% of N-(2-aminoethyl) piperazine and 3 to 20% of caprolactam or 6-aminocaproic acid. In examples the product is melt spun into filaments and dyed.