Bright metallized film laminate

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 15/08 (2006.01) B05D 5/06 (2006.01) B29C 45/14 (2006.01) B44C 1/14 (2006.01) C23C 14/20 (2006.01)

Patent

CA 2365842

A bright metallized laminate is disclosed that includes a polyvinylidene difluoride-acrylic film having microscopically smooth surfaces, a discontinuous layer of indium islands deposited on the polyvinylidene difluoride-acrylic film, an adhesive layer bonded to the surface of the discontinuous indium layer opposite the polyvinylidene difluoride-acrylic film, and a thermoplastic backing layer bonded to the adhesive layer opposite the discontinuous layer of indium islands. An associated method is disclosed for forming the bright metallized laminate that includes the steps of casting a polyvinylidene difluoride- acrylic film to a polymeric substrate, depositing a discontinuous layer of indium islands upon the polyvinylidene difluoride-acrylic film, placing a polymeric film onto the discontinuous layer of indium islands, and press polishing the polyvinylidene difluoride-acrylic film and the discontinuous indium layer. The polyvinylidene difluoride-acrylic film demonstrates a roughness average (RA) of about 0.75 micron or less, and a distinctness of image (DOI) of about 95 or more.

Stratifié métallisé brillant qui comporte un film acrylique-difluorure de polyvinylidène à surfaces microscopiquement lisses, une couche discontinue d'îlots d'indium déposée sur le film acrylique-difluorure de polyvinylidène, une couche adhésive collée sur la surface de la couche d'indium discontinue opposée au film acrylique-difluorure de polyvinylidène et une couche de support thermoplastique collée sur la couche adhésive à l'opposé de la couche discontinue d'îlots d'indium. La présente invention concerne également un procédé associé de formation dudit stratifié métallisé brillant, qui consiste à couler un film acrylique-difluorure de polyvinylidène sur un susbtrat polymère, à déposer une couche discontinue d'îlots d'indium sur le film acrylique-difluorure de polyvinylidène, à placer un film polymère sur la couche discontinue d'îlots d'indium et à polir à la presse le film acrylique-difluorure de polyvinylidène et la couche d'indium discontinue. Le film acrylique-difluorure de polyvinylidène présente une rugosité moyenne (RA) d'environ 0,75 micron ou moins, et une netteté d'image (DO) d'environ 95 ou plus.

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