Three-dimensional direct visualization of silica dispersion in polymer-based composites
Literature Information
Zemin Feng, Jinpan Zhong, Weijiang Guan, Rui Tian, Chao Lu, Caifeng Ding
The uniform dispersion of silica fillers or other neutral fillers in the polymer matrix is significant for fabricating high-performance polymer-based composites. However, there is a long-standing challenge to provide a comprehensive, wide-area and real 3D distribution map to achieve direct visualization for the dispersion state of neutral silica. Herein, we propose a novel strategy for modifying silica fillers with commercial fluorophores to form fluorescent fillers in a standard manner. Through fluorescence imaging technology, we successfully observed the 2D-planar and 3D-spatial dispersion states of silica fillers in the polymer matrix. This success not only provides a visualized evaluation method for the spatial dispersion of an oxide filler, but also offers great potential in the further establishment of industrialized standards for the polymer-based composite industry.
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