Patent ID: 8580899

Claim:
A process for producing a molding, comprising: (a) preparing a mixture of a polyamide molding composition and a compound having at least two carbonate units without permitting condensing-up by melt mixing of the polyamide molding composition by the compound having at least two carbonate units and without permitting the polyamide molding composition or the compound having at least two carbonate units to melt, during preparation of the mixture; (b) optionally storing the mixture; and (c) feeding the mixture into an extruder configured to form the molding and operating the extruder under conditions that cause condensing-up of the polyamide molding composition by the compound having at least two carbonate units to produce the molding; wherein the molding is a hollow body or hollow profile having an external diameter of at least 30 mm and a wall thickness of at least 1 mm.