Process for producing metal-coated films in web form

Details Process for producing metal-coated films in web form Process for producing metal-coated films in web form

C - Chemistry, Metallurgy

23

C

C23C 18/31 (2006.01) C23C 2/26 (2006.01) C23C 18/16 (2006.01) C23C 18/20 (2006.01) C25D 5/56 (2006.01) C25D 7/06 (2006.01) H05K 3/18 (2006.01)

Patent

CA 2207701

A metal-coated film can be produced continuously from a non-conducting film by successive electroless and galvanic metallization in such a way that a film of this kind is subjected, in a continuous "roll-to-roll" process, to the following operations: a) applying a metallizable primer, b) drying the applied primer, c) conditioning the applied primer, d) optionally activating the applied primer, e) treatment with an electroless chemical metallizing bath, f) optional treatment with a first rinsing liquid, g) treatment with a galvanic metallizing bath, h) treatment with a second rinsing liquid, and i) optional heat treatment of the metallized film.

Un film revêtu d'une couche métallique peut être produit sans interruption à partir d'un film non conducteur par la métallisation galvanique et autocatalytique par couches successives du film d'une telle façon où ce film est soumis, dans un procédé continu de « bobine-à-bobine », aux opérations suivantes : a) application de la couche primaire à surface métallisable; b) assèchement de la couche primaire appliquée; c) conditionnement de la couche primaire appliquée; d) activation facultative de la couche primaire appliquée; e) traitement avec un bain métalliseur chimique autocatalytique; f) traitement facultatif avec un premier liquide de rinçage; g) traitement avec un bain métalliseur galvanique; h) traitement avec un deuxième liquide de rinçage; i) traitement thermique facultatif du film métallisé.

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