Composite materials based on poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] and titanium dioxide are used in the optoelectronic and chemical industries. A study of the behavior of chemical bonds in the composite and of the influence exerted by an inorganic additive on its properties is topical. The physical properties of the composites are analyzed by IR (infrared) spectroscopy. All the experiments are performed in an oxygen atmosphere at room temperature. The spectral characteristics of the composite in the mid-IR spectral range are examined and the spectral absorption lines are identified. It is shown that the introduction of titanium dioxide into the polymer matrix does not cause intense oxidation processes within the composite. It is found that the main absorption lines characterizing the vibronic properties of titanium dioxide are not subject to spectral shifts within the polymer matrix.

中文翻译：

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聚[2-甲氧基-5-（2-乙基己基氧基）-1,4-苯撑亚乙烯基]和二氧化钛在中红外光谱范围内的复合材料的光学性能

基于聚[2-甲氧基-5-（2-乙基己氧基）-1,4-亚苯基亚乙烯基]和二氧化钛的复合材料被用于光电和化学工业。研究复合材料中化学键的行为以及无机添加剂对其性能的影响。通过IR（红外）光谱分析复合材料的物理性质。所有实验均在室温下的氧气气氛中进行。检查了复合材料在中红外光谱范围内的光谱特性，并确定了光谱吸收线。结果表明，将二氧化钛引入聚合物基体不会在复合材料内引起强烈的氧化过程。