Magnetic receptive extruded films

Magnetic receptive extruded films

  • CN 105,073,438 A
  • Filed: 01/13/2014
  • Published: 11/18/2015
  • Est. Priority Date: 01/14/2013
  • Status: Active Grant
First Claim
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1. a multiple layer polymer print film, it comprises:

  • Sandwich layer, it has the first side and second side contrary with described first side, and described sandwich layer comprises the particle of the magnetic susceptilbility of the about 15 % by weight-Yue 70 % by weight accounting for described sandwich layer;

    Ground floor, it has interior surface and the outer surface contrary with described interior surface, the described outer surface of described ground floor not containing or be substantially free of ferromagnetic material and be suitable for accepting printing, the described interior surface of described ground floor is adjacent with described first side of described sandwich layer and fuse with it;

    The second layer, it has interior surface and the outer surface contrary with described interior surface, the described outer surface of the described second layer not containing or be substantially free of ferromagnetic material and be suitable for accepting printing, the described interior surface of the described second layer is adjacent with described second side of described sandwich layer and fuse with it;

    Wherein said multiple layer polymer print film is prepared by coextrusion process.

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