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Effect of the morphology on the anisotropic light scattering of polycarbonate (PC)/poly(styrene-co-acrylonitrile) (SAN)(70/30) blend

机译:形态对聚碳酸酯(PC)/聚(苯乙烯-丙烯腈)(SAN)(70/30)共混物各向异性光散射的影响

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摘要

The polycarbonate (PC)/poly(styrene-co-acrylonitrile) (SAN) (70/30) anisotropic light scattering sheet with controllable anisotropic degree was prepared by blending and hot stretching process. The morphological evolution of the dispersed particles for PC/SAN (70/30) blend during hot stretching was observed by a scanning electron microscope (SEM) and the effect of stretching deformation on the light scattering properties was investigated. The SEM photographs revealed that SAN particles deformed into ellipsoid during hot stretching. The scattering properties analysis results revealed the appearance of anisotropic light scattering for PC/SAN (70/30) blends with various deformations, and with the increase of stretching deformation, the anisotropic scattering degree increased, verifying the correctness of geometrical optical scattering theoretical analysis. (C) 2015 Optical Society of America
机译:通过混合和热拉伸工艺制备具有可控各向异性度的聚碳酸酯(PC)/聚(苯乙烯-丙烯腈)(SAN)(70/30)各向异性光散射片。通过扫描电子显微镜(SEM)观察了PC / SAN(70/30)共混物在热拉伸过程中分散颗粒的形貌演变,并研究了拉伸变形对光散射性能的影响。 SEM照片显示SAN颗粒在热拉伸过程中变形为椭圆体。散射特性分析结果表明,PC / SAN(70/30)共混物具有各种形变的各向异性光散射现象,并且随着拉伸变形的增加,各向异性散射度增加,证明了几何光学散射理论分析的正确性。 (C)2015年美国眼镜学会

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