Preparation and characterization of simethicone MMT/PU microspheres

被引：3
|
作者：
Liu, Jun [1 ]
Zhuo, Yuguo [1 ,2 ]
Li, Qingshan [2 ]
机构：
[1] Hebei Univ Environm Engn, Qinhuangdao, Peoples R China
[2] Yanshan Univ, Metastable Mat Sci & Technol State Key Lab, Qinhuangdao, Peoples R China
来源：
FERROELECTRICS | 2018年 / 530卷 / 01期
关键词：
Polyurethane; montmorillonite; simethicone; microspheres;
D O I：
10.1080/00150193.2018.1454080
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Simethicone MMT/PU microspheres were prepared with polyurethane (PU) and montmorillonite (MMT) as main materials by interfacial polymerization and simethicone as core material was coated into microspheres. The microspheres morphologies and composite physical states were investigated using scanning electron microscopy (SEM), thermogravimetry analysis (TG), fourier transform infrared (FTIR) spectroscopy and dynamic thermomechanical analysis (DMA). Scanning electron microscopy observations revealed that simethicone MMT/PU microspheres had a good spherical structure. Results from FTIR and TG suggested that the MMT had been successfully introduced to the polyurethane molecular chain and simethicone MMT/PU microspheres had good thermal stability under 225 degrees C. Results from DMA suggested that damping properties of simethicone MMT/PU/EP composites were significantly improved. As simethicone MMT/PU microspheres were introduced into epoxy resin (EP), the maximum loss factor of simethicone/MMT/PU/EP composites increased by 90% than pure EP.
引用
收藏
页码：39 / 44
页数：6
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