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Multilayer polyurethane protective films

  • US 8,927,106 B2
  • Filed: 04/02/2014
  • Issued: 01/06/2015
  • Est. Priority Date: 04/29/2005
  • Status: Active Grant
First Claim
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1. A vehicle comprising a body part having a painted surface, with said painted surface being protected by a multilayer protective film comprising:

  • a first layer comprising a polyurethane, said polyurethane being a polyester-based polyurethane, a polycarbonate-based polyurethane or a combination of both;

    a second layer comprising a polycaprolactone-based thermoplastic polyurethane; and

    a PSA layer comprising a pressure sensitive adhesive,wherein said first layer is bonded to one major surface of said second layer and said PSA layer is bonded to an opposite major surface of said second layer such that said second layer is sandwiched between said first layer and said PSA layer.

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