método para a produção de um material composto de folha e dito material composto de folha, método para a produção de um corpo do cartão e dito corpo do cartão

摘要

A method for producing a foil composite material, in particular for use as a layer in a card body, preferably in a card body of a portable data carrier, whereby using a coextrusion process, at least a first plastic melt of plastic including a thermoplastic elastomer and at least a second plastic melt of plastic without a thermoplastic elastomer, are joined in such a fashion that a foil composite material is formed. This foil composite material contains one or several outer first layers of plastic without a thermoplastic elastomer, one or several middle second layers of plastic including a thermoplastic elastomer and one or several outer third layers of plastic without a thermoplastic elastomer.