PROCESS FOR THE IN-LINE DRYING OF POLYAMIDE/IMIDE WIRE ENAMELS CONTAINING N-METHYLPYRROLIDONE IN ENAMEL-APPLICATION UNITS

摘要

PAT 90 163 22.01.90/fe Process for in-line drying of polyamide-imide wire enamels containing N-methylpyrrolidone in enamelling plants The present invention relates to a process for drying polyamide-imide wire enamels which contain Nmethylpyrrolidone, have viscosities of at least 100 mPas at 23.degree.C and are passed in circulation between the enamel applicator and reservoir tank in enamelling plants, in which the enamel is pumped through one or more tanks containing a drying agent.