;wherein the substituents are defined in the specification. According to the present invention, a polymer which possesses excellent mechanical properties and rapid photochromic switch properties at room temperature and a photochromic thin film for switch elements are produced. They are useful in applications such as photo switches, photochromic filters, light stabilizers, paper money or cards for preventing counterfeit forgeries, display elements, optical recording media or photo integrated elements."/>
PHOTOCHROMIC SPIROBENZOPYRAN COMPOUNDS AND THEIR DERIVATIVES, SPIROPYRAN GROUP-CONTAINING POLYMERS, PROCESS FOR PRODUCING THE SAME, COMPOSITIONS COMPRISING SAID SPIROPYRANS OR SPIROPYRAN GROUP-CONTAINING POLYMERS AND PHOTOCHROMIC SWITCH THIN FILMS PREPARED
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PHOTOCHROMIC SPIROBENZOPYRAN COMPOUNDS AND THEIR DERIVATIVES, SPIROPYRAN GROUP-CONTAINING POLYMERS, PROCESS FOR PRODUCING THE SAME, COMPOSITIONS COMPRISING SAID SPIROPYRANS OR SPIROPYRAN GROUP-CONTAINING POLYMERS AND PHOTOCHROMIC SWITCH THIN FILMS PREPARED
PHOTOCHROMIC SPIROBENZOPYRAN COMPOUNDS AND THEIR DERIVATIVES, SPIROPYRAN GROUP-CONTAINING POLYMERS, PROCESS FOR PRODUCING THE SAME, COMPOSITIONS COMPRISING SAID SPIROPYRANS OR SPIROPYRAN GROUP-CONTAINING POLYMERS AND PHOTOCHROMIC SWITCH THIN FILMS PREPARED
The present invention relates to a photochromic spirobenzopyran compound of the formula (1) and its derivatives, a spirobenzopyran group having unsaturated terminal groups, a polymer prepared therefrom, a method for the production thereof, a composition comprising said spirobenzopyran or said spirobenzopyran group-containing polymer and a photochromic switch film using the same: chemistry chemdraw filechemistry mol file;wherein the substituents are defined in the specification. According to the present invention, a polymer which possesses excellent mechanical properties and rapid photochromic switch properties at room temperature and a photochromic thin film for switch elements are produced. They are useful in applications such as photo switches, photochromic filters, light stabilizers, paper money or cards for preventing counterfeit forgeries, display elements, optical recording media or photo integrated elements.
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机译：本发明涉及式（1）的光致变色螺并苯并吡喃化合物，其衍生物，具有不饱和端基的螺并苯并吡喃基，由其制备的聚合物，其制备方法，包含所述螺并苯并吡喃或所述含螺并苯并吡喃基的组合物。聚合物和使用该聚合物的光致变色开关膜： <图像文件=“ US20030099910A1-20030529-C00001.GIF” he =“ 73.68165” id =“ EMI-C00001” imgContent =“ undefined” imgFormat =“ GIF” wi =“ 210.49875“ /> 化学化学绘图文件 化学mol文件 ;其中取代基在说明书中定义。根据本发明，制备了在室温下具有优异的机械性能和快速的光致变色开关性能的聚合物以及用于开关元件的光致变色薄膜。它们可用于诸如光电开关，光致变色滤光片，光稳定剂，纸币或用于防止伪造伪造的卡片，显示元件，光学记录介质或光电集成元件的应用。
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