Polyoxymethylen-Formmassen mit verbesserter Oberfläche, Verfahren zu seiner Herstellung sowie Verwendung

摘要

The invention relates to polyoxymethlylene moulding substances with an improved surface, to methods for producing them and to their use. Said polyoxymethylene moulding substances have (i) at least one polyoxymethylene homo- or copolymer and (ii) at least one usual additive, one or more derivatives of general formula (I) being added during the polymerisation to (i), R<1> to R<6> being, independently of each other, a hydrogen atom, a linear or branched (C1-C12)-alkyl chain. Respective adjacent radicals of R<1> to R<6> can be linked by this (C1-C12)-alkyl chain and at least one of the radicals R<1> to R<6> must be ≠ hydrogen. The resulting moulding substances are free of specks. The invention also relates to the use of the inventive moulding substances for producing moulded bodies, semi-finished products and films.