A process for crosslinking polyamide comprises a diisocyanate or a diacyl halide being reacted with a lactam A at a temperature of from (−30) to 150° C. and next reacting with a lactam B, a catalyst and an activator at a temperature of from 40 to 240° C.
A process for crosslinking polyamides by reacting a compound of the general formula R
1
R
2
C═CR
3
—X in which R
1
, R
2
and R
3
are each independently hydrogen or an organic radical with a lactam A at a temperature of (−30) to 150° C., and then reacting with a lactam B, a catalyst and an activator at a temperature of 40 to 240° C.
Die vorliegende Erfindung betrifft ein neues Verfahren zur anionischen Polymerisation von Lactam-Monomeren unter Verwendung mindestens eines Katalysators und mindestens eines Aktivators, wobei diskrete Tropfen des Reaktionsgemisches in eine umgebende Gasphase dosiert und zur Reaktion gebracht werden.