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US08236466B2 Photochromic materials incorporated in polymer backbone 有权
掺入聚合物主链的光致变色材料

Photochromic materials incorporated in polymer backbone
Abstract:
Exemplary embodiments provide compositions and methods for making and using an erasable medium that can include a photochromic layer disposed over a substrate. The photochromic layer can include one or more photochromic molecule-polymer systems, wherein each of the one or more photochromic molecule-polymer systems can include a photochromic molecule covalently bonded within a polymer main chain, the photochromic molecule including one or more photochromic moieties (PM) linked together via a linker.
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