PROCESS FOR OVERMOULDING OVER A PLASTIC INSERT AND AUTOMOBILE PART OBTAINED BY THIS PROCESS

摘要

Process for manufacturing a composite automobile part by overmoulding, over at least one surface of an insert (1) comprising a first plastic material, a layer of a second thermoplastic material, said process comprising the following successive steps : • a) a step of positioning said insert (1) in a mould, and • b) a step of moulding said second thermoplastic material over said insert; at least one of said first and second materials comprising an additive, said additive comprising a polymer to which carboxylic anhydride monomers are grafted. Said first and second materials being respectively based on polyamide and based on polypropylene, or vice versa and said second material comprising talc as mineral filler.