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Liquid-crystalline polyurethanes, compositions of said liquid- crystalline polyurethanes, and a device for optical data storage comprising a liquid- crystalline polyurethane
Liquid-crystalline polyurethanes, compositions of said liquid- crystalline polyurethanes, and a device for optical data storage comprising a liquid- crystalline polyurethane
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机译:液晶聚氨酯,所述液晶聚氨酯的组合物以及用于包含液晶聚氨酯的光学数据存储的装置
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摘要
The invention relates to a liquid-crystalline polyurethane having a side chain comprising a mesogenic group, giving a clear polyurethane which does not isomerize under the influence of light. Such liquid- crystalline polyurethanes are highly suited to be used for optical data storage. The invention further relates to infrared-sensitive liquid- crystalline polyurethanes and liquid-crystalline polyurethane compositions, films containing said liquid-crystalline polyurethanes or polyurethane compositions, and a device for optical data storage containing said liquid-crystalline polyurethanes or polyurethane compositions.
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