| abstract |
A plastic body comprising two polyamide parts welded together, wherein the strength of the weld line is usually much lower than the bulk of the two polyamide parts, Not only is the problem that the molded article is subjected to high pressures, the welding strength is much lower than the bulk of the two parts, but also the degradation rate is much faster than the bulk of the two parts. To provide a method with improved weld strength and / or performance with respect to its retention at elevated temperatures. A method for producing a plastic body by welding two polyamide parts, at least one of which comprises a polyamide composition comprising an iron-containing additive. A method in which the iron-containing additive contains iron alone and / or iron oxide and / or a salt thereof, and a polyamide composition containing 0.01 to 10% by mass based on the total weight of the polyamide composition is used as a raw material . [Selection figure] None |