Multilayer erosion resistant protective films

Multilayer erosion resistant protective films

  • CN 103,079,814 B
  • Filed: 09/02/2011
  • Issued: 05/24/2017
  • Est. Priority Date: 09/02/2010
  • Status: Active Grant
First Claim
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1. a kind of material of surface protection film, including two-layer or more layer first, they replace with the material of one or more layers secondArrangement, wherein first material and second material are different materials, wherein first material and second materialMaterial includes first polymer and second polymer, wherein first material and second material have the first Shore hardness withSecond Shore hardness, and wherein described first Shore hardness more than 10A bigger than second Shore hardness.

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