Temperature dependent optical properties of a synthesis blend of poly(methyl methacrylate) and vinyl rubber
Temperature dependent optical properties of a synthesis blend of poly(methyl methacrylate) and vinyl rubber
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聚甲基丙烯酸甲酯和乙烯基橡胶合成共混物的温度依赖性光学特性
DOI：
10.1007/bf01352203
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发表时间：
1993
期刊：
影响因子：
--
通讯作者：
Pasquale Mormile
中科院分区：
文献类型：
--
作者：
U. Bernini;P. Russo;Mario Malinconico;E. Martucelli;M. G. Volpeau;Pasquale Mormile
研究了聚甲基丙烯酸甲酯（PMMA）-乙烯-醋酸乙烯酯共聚物（伊娃）共混物（PMMA-伊娃）在30-70 ℃温度范围内的热光行为。测量了PMMA-伊娃、PMMA和伊娃的折射率dn/dt随温度变化的热系数。观察到的趋势，热系数是有关的一级相变的伊娃组件。与差示扫描量热法（DSC）的量热调查结果的比较也有报道。这种材料在光学中的可能用途进行了说明。
The temperature dependent optical properties of a poly(methyl methacrylate) (PMMA) ethylene-co-vinylacetate (EVA) blend (PMMA-EVA) were investigated in order to study its thermo-optical behaviour in the temperature range 30–70‡C. The thermal coefficients of the refractive index dn/dtof PMMA-EVA, PMMA and EVA were measured as a function of the temperature. The observed trend of the, thermal coefficients is related to a first-order phase transition of the EVA component. A comparison with the results of calorimetric investigations by differential scanning calorimetry (DSC) is also reported. The possible use of this material in optics is described.