Change colour layer material, product and preparation method thereof

Change colour layer material, product and preparation method thereof

  • CN 107,015,380 A
  • Filed: 04/14/2017
  • Published: 08/04/2017
  • Est. Priority Date: 04/14/2017
  • Status: Active Application
First Claim
Patent Images

1. one kind discoloration layer material, it is characterised in that include successively from inside to outside:

  • CR39 layers;

    Photochromic layer;

    WithCR39 layers;

    The photochromic layer includes photochromic compound and Triafol T.

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