| abstract |
The invention relates to thermoplastic moulding substances containing A) 5 to (99,99 wt. % minus 1 ppb), in relation to constituents A) to D), of a polyoxymethylene homopolymer or copolymer, B) 1 ppb to 1 wt. %, in relation to moulding materials A) to D), of at least one polyethylene imine homopolymer or copolymer, C) 0.01 to 15 wt. % carbon black, and D) 0 to 80 wt. % of further additives, as the essential constituents thereof. The sum of the weight percent of constituents A) to D) amounts to 100 % in every case. |