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Influence of the Thickness of a Polymer Shell Applied to Surfaces of Submicron Filler Particles on the Properties of Polymer Compositions
Mechanics of Composite Materials ( IF 1.5 ) Pub Date : 2020-05-01 , DOI: 10.1007/s11029-020-09876-4
A. A. Akhmadeev , E. A. Bogoslov , M. P. Danilaev , M. A. Klabukov , V. A. Kuklin

The results of studies into the influence of the thickness of a polystyrene shell applied to surfaces of dispersed corundum (Al 2 O 3 ) filler particles on the structure and mechanical properties of the composition of an acrylonitrile butadiene styrene plastic are presented. It is shown that the mechanical properties of the composition depend at least on two factors: the interaction between shell molecules and the polymer matrix, and the ratio of shell thickness to the average size of submicron particles of the filler. The change in the mechanical properties of the composition is explained by the decreasing mobility of polymer macromolecules near the encapsulated filler particles due to the increasing adhesion of macromolecules to the polymer shell. It was shown experimentally that the Martens hardness, elastic modulus, tensile strength, and rupture strain can be changed in some range by varying the thickness of the polymer shell on the surfaces of corundum particles.

中文翻译:

应用于亚微米填料颗粒表面的聚合物壳的厚度对聚合物组合物性能的影响

介绍了应用到分散的刚玉 (Al 2 O 3 ) 填料颗粒表面的聚苯乙烯壳的厚度对丙烯腈丁二烯苯乙烯塑料组合物的结构和机械性能的影响的研究结果。结果表明,组合物的机械性能至少取决于两个因素:壳分子与聚合物基体之间的相互作用,以及壳厚度与填料亚微米颗粒平均尺寸的比率。组合物机械性能的变化可解释为由于高分子对聚合物壳的附着力增加,在包封的填料颗粒附近的聚合物高分子的迁移率降低。实验表明,马氏硬度、弹性模量、拉伸强度、
更新日期:2020-05-01
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