Ems-patent Ag

Robert Meyer Zu Westram

Friedrich Severin Bühler

The invention relates to the use of a UV absorber in the production of transparent polyamide products or polyamide molded parts. The use according to the invention is characterized in that at least one UV absorber having at least one substituted benzoyl group is added to a polyamide molding compound, by which means melts of polyamide molding compounds comprising these UV absorbers leave no visible blooming on surfaces with which they come into contact during the production or processing of polyamide products. Particularly preferred polyamide molding compounds produced according to the use according to the invention comprise PA 6I/MXDI, PA MACM12, PA MACMI/MACMT/12 or PA 6I/6T/MACMI/MACMT/PACMI/PACMT/12 as well as one or more UV absorbers in the form of a dibenzoylmethane compound and/or an aminohydroxybenzoyl benzoic acid ester.

Growing community of inventors

Malix, Switzerland

Robert Meyer Zu Westram