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Surface modification of magnesium hydroxide particles using silane coupling agent by dry process
Lan, Shengjie1,2; Zhu, Donghai3; Li, Lijuan2; Liu, Zhiqi2; Zeng, Zhongmin2; Song, Fugen2
2018-03-01
发表期刊SURFACE AND INTERFACE ANALYSIS
卷号50期号:3页码:277-283
文章类型Article
摘要In order to improve the dispersion and compatibility of magnesium hydroxide (MH) when added in the polymer matrix as fillers, the surface of MH was modified by dry process using vinyltrimethoxysilane (VTMS), and the interfacial interaction between MH and VTMS was also studied. Scanning electronic microscopy, transmission electron microscopy, and X-ray powder diffraction analyses showed that the agglomerations of MH particles were effectively relieved, and a thin layer was formed on the surface of modified MH. Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy analyses showed that the VTMS molecules bound strongly to the surface of MH particles and chemical bond (Si?O?Mg) was formed after modification. The effect of surface modification was evaluated by contact angle, the settlement curve, and thermogravimetric analysis. The results showed that the surface of MH particles was transformed from hydrophilic to hydrophobic, with the dispersibility and the compatibility of MH particles significantly improved in the organic phase. Additionally, the thermal stability of the VTMS modified MH particles had improved significantly.
关键词Dry Process Interfacial Interaction Magnesium Hydroxide Silane Coupling Agent Surface Modification
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]FLAME-RETARDANT ; POLYPROPYLENE COMPOSITES ; MECHANICAL-PROPERTIES ; NANOPARTICLES ; PRECIPITATION ; CHEMISTRY ; PHASE ; ACID
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Physical
WOS记录号WOS:000424865100004
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6420
专题青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
作者单位1.Qinghai Univ, Sch Chem Engn, Xining 810016, Qinghai, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Qinghai, Peoples R China
3.Qinghai Univ, State Key Lab Plateau Ecol & Agr, Xining 810016, Qinghai, Peoples R China
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GB/T 7714
Lan, Shengjie,Zhu, Donghai,Li, Lijuan,et al. Surface modification of magnesium hydroxide particles using silane coupling agent by dry process[J]. SURFACE AND INTERFACE ANALYSIS,2018,50(3):277-283.
APA Lan, Shengjie,Zhu, Donghai,Li, Lijuan,Liu, Zhiqi,Zeng, Zhongmin,&Song, Fugen.(2018).Surface modification of magnesium hydroxide particles using silane coupling agent by dry process.SURFACE AND INTERFACE ANALYSIS,50(3),277-283.
MLA Lan, Shengjie,et al."Surface modification of magnesium hydroxide particles using silane coupling agent by dry process".SURFACE AND INTERFACE ANALYSIS 50.3(2018):277-283.
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