Abstract

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.

© 2015 Optical Society of America

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