Devices containing compositions comprising cathodically coloring electrochromic polymers and binder polymers

Devices containing compositions comprising cathodically coloring electrochromic polymers and binder polymers

  • CN 102,803,434 A
  • Filed: 03/29/2010
  • Published: 11/28/2012
  • Est. Priority Date: 04/03/2009
  • Status: Active Application
First Claim
Patent Images

1. electrochromic device;

  • Comprise the painted electrochromism compsn of the negative electrode with excellent color characteristics and weather resistance;

    Said composition comprises electroactive negative electrode coloured polymer;

    The polymkeric substance or the multipolymer that preferably contain the repeating unit of the self-contained thiophene monomer of deriving, and non-conductive binder polymer, wherein said binder polymer are selected from crosslinked or noncrosslinking propenoate, acrylic amide, polyester, polymeric amide, urethane, polyolefine, Z 150PH, epoxy and fluoropolymer;

    Preferred crosslinked or noncrosslinking propenoate, acrylic amide, polyester and polyvinyl alcohol polymer;

    Wherein the weight ratio of negative electrode coloured polymer and binder polymer is 1 in said compsn;

    99-99;

    1, preferred 10;

    90-90;

    10, especially 20;

    80-60;

    40.

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