mentioned under 9 with each other or with other unsaturated monomers for example acrylonitrile butadiene copolymers acrylonitrile alkyl acrylate copolymers acrylonitrile alkoxyalkyl acrylate or acrylonitrile vinyl halide copolymers or acrylonitrile alkyl methacrylate butadiene terpolymers 11 polymers derived from unsaturated alcohols and amines or the acyl derivatives or acetals thereof for example polyvinyl alcohol polyvinyl acetate polyvinyl stearate polyvinyl benzoate polyvinyl maleate polyvinyl butyral polyallyl phthalate or polyallyl melamine as well as their copolymers with olefins mentioned in 1 above 12 homopolymers and copolymers of cyclic ethers such as polyalkylene glycols polyethyllene oxide polypropylene oxide or copolymers thereof with bisglycidyl ethers 13 polyacetals such as polyoxymethylene and those polyoxymethylenes which contain ethylene oxide as a comonomer polyacetals modified with thermoplastic polyurethanes acrylates or mbs 14 polyphenylene oxides and sulfides and mixtures of polyphenylene oxides with styrene polymers or polyamides 15 polyurethanes derived from hydroxyl terminated polyethers polyesters or polybutadienes on the one hand and aliphatic or aromatic polyisocyanates on the other as well as precursors thereof 16 polyamides and copolyamides derived from diamines and dicarboxylic acids and or from aminocarboxylic acids or the corresponding lactams for example polyamide 4 polyamide 6 polyamide 6 6 6 10 6 9 6 12 4 6 12 12 polyamide 11 polyamide 12 aromatic polyamides starting from m xylene diamine and adipic acid polyamides prepared from hexamethylenediamine and isophthalic or and terephthalic acid and with or without an elastomer as modifier for example poly 2 4 4 trimethylhexamethylene terephthalamide or poly m phenylene isophthalamide and also block copolymers of the aforementioned polyamides with polyolefins olefin.