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Evaluation of the Nanoparticle Dispersion and the Thermal Behaviors of Polyamide-6/Silica Composites
Journal of the Korean Physical Society ( IF 0.8 ) Pub Date : 2020-09-29 , DOI: 10.3938/jkps.77.530
Mei-Xian Li , Dasom Lee , SungWoong Choi

Polyamide-6 (PA6)/silica (SiO2) composites with different sizes and concentrations of SiO2 nanoparticles were prepared via in situ anionic ring opening polymerization. An electron probe microanalyzer was used for visual examination to analyze the distribution of SiO2 nanoparticles in PA6/SiO2 composites. In addition, the thermal behavior of PA6/SiO2 composites was evaluated using thermogravimetric analysis and differential scanning calorimetry. As a result, the SiO2 nanoparticles were found to be well dispersed in the ϵ-caprolactam monomer with a watery viscosity. The sizes and the concentrations of the nanoparticles could affect both the polymerization and the crystallization behaviors of the composites.



中文翻译:

聚酰胺-6 /二氧化硅复合材料的纳米粒子分散性和热行为的评估

通过原位阴离子开环聚合反应制备了具有不同粒径和浓度的SiO 2纳米颗粒的聚酰胺6(PA6)/二氧化硅(SiO 2)复合材料。使用电子探针显微分析仪进行目测,以分析SiO 2纳米颗粒在PA6 / SiO 2复合材料中的分布。此外,使用热重分析和差示扫描量热法评估了PA6 / SiO 2复合材料的热行为。结果,发现SiO 2纳米颗粒很好地分散在ϵ中。-己内酰胺单体,具有水粘性。纳米粒子的大小和浓度可以影响复合材料的聚合和结晶行为。

更新日期:2020-09-29
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