| 摘要 |
Use of molding composition comprising (in parts by wt.): (a) at least one polyamide and/or copolyamide (40-98.98); (b) at least one copolymer (1-10); (c) at least one di- or polyfunctional branching or chain-extending active additive (0.01-10); and (d) at least one impact modifier (0.01-40) for improving the durability of products, moldings, components, molding parts or semifinished products for motor vehicles, preferably in internal combustion engines, with respect to resistance against crankcase gases and/or crankcase components, is claimed. Use of molding composition comprising (in parts by wt.): (a) at least one polyamide and/or copolyamide (40-98.98); (b) at least one copolymer (1-10) comprising at least one olefin, preferably alpha -olefin and at least a methacrylic or acrylic acid ester of an aliphatic alcohol, where the melt flow Index of the copolymer is greater than 10 g/10 minutes and the melt flow index is determined or measured at 190[deg] C and at a load of 2.16 kg; (c) at least one di- or polyfunctional branching or chain-extending active additive (0.01-10) comprising at least two and not > 15 branching or chain extension acting functional groups per molecule; and (d) at least one impact modifier (0.01-40) different from the components (b) and (c) for improving the durability of products, moldings, components, molding parts or semifinished products for motor vehicles, preferably in internal combustion engines, with respect to resistance against crankcase gases and/or crankcase components, is claimed. An INDEPENDENT CLAIM is also included for improving products, moldings, molded parts or components in motor vehicles with respect to resistance against crankcase gases and/or crankcase components, comprising producing products, moldings, molded parts or components by means of extrusion, profile extrusion, blow molding, preferably standard extrusion blow molding, three dimensional extrusion blow molding, suction blow molding and sequential co-extrusion, or injection molding of molding composition, and mounting the produced products, moldings, moldings and components as air-carrying components or components for air-conducting components in motor vehicles, preferably in internal combustion engines, preferably as clean air ducts or charge air tubes, preferably charge air flow or as charge-air reflux, intake pipe, crankcase ventilation or gearbox ventilation. |
