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Transparent chiral polymers for optical applications

机译：光学应用的透明手性聚合物

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Optically active chiral polymers and copolymers of cholesteryl methacrylate have been studied for use in optical applications including plastic optical fibers. Homopolymers of chiral cholesteryl methacrylate with differing molecular weights and copolymers with methyl methacrylate were synthesized by free-radical copolymerization in tetrahydrofuran using azobisisobutyronitrile at 67 degrees C for 26 h. All polymers were characterized for molecular weight, glass-transition temperature, optical rotation, transparency, and refractive index and solution blended to test for compatibility with poly(methyl methacrylate). Such chiral materials are of particular interest because they offer useful polarization properties without requiring bulk orientation of the molecules. This makes it possible to produce low cost optical elements such as circularly birefringent or circularly polarizing optical elements with potential applications in polarization manipulations and sensing. (c) 2005 Wiley Periodicals, Inc.
机译：已经研究了光学活性手性聚合物和甲基丙烯酸胆固醇酯的共聚物用于包括塑料光纤在内的光学应用。通过在偶氮二异丁腈中在67°C下于四氢呋喃中自由基共聚26小时，来合成具有不同分子量的手性甲基丙烯酸胆固醇酯的均聚物和与甲基丙烯酸甲酯的共聚物。表征所有聚合物的分子量，玻璃化转变温度，旋光性，透明度和折射率，并混合溶液以测试与聚甲基丙烯酸甲酯的相容性。这样的手性材料是特别令人感兴趣的，因为它们提供了有用的极化性质而无需分子的整体取向。这使得可以生产低成本的光学元件，例如圆形双折射或圆形偏振光学元件，并且在偏振操纵和传感中具有潜在的应用。 （c）2005年Wiley Periodicals，Inc.

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