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Coated plastic film and plastic laminate prepared therefrom

  • US 4,855,186 A
  • Filed: 02/23/1988
  • Issued: 08/08/1989
  • Est. Priority Date: 03/06/1987
  • Status: Expired due to Term
First Claim
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1. A coated plastic film possessing a high transmittance for visible light and high reflectance for infrared radiation comprising a transparent plastic carrier film having a transparent heat reflection layer on at least one surface, said transparent heat reflection layer consisting of:

  • (a) a first dielectric layer adherent to the surface of said carrier film, said first dielectric layer comprising a nitride;

    (b) a heat reflection metallic layer adherent to said first dielectric layer; and

    (c) a second dielectric layer adherent to said heat reflection metallic layer, said second dielectric layer comprising a nitride;

    said first and second dielectric layers are selected from the group consisting of aluminum nitride and silicon nitride.

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