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Mechanism of Inorganic-organic Surface Modification of Anhydrous Calcium Sulfate Whisker
Lv Zhi-Hui1,2,3; Hong Tian-Zeng1,2,3; Nai Xue-Ying1,2; Dong Ya-Ping1,2; Li Wu1
2017
发表期刊JOURNAL OF INORGANIC MATERIALS
卷号32期号:1页码:81-85
文章类型Article
摘要Anhydrous calcium sulfate whisker (ACSw) was modified by dual-surface modification with sodium silicate solution as inorganic modifer and stearic acid as organic modifier. The samples were characterized by water contact angle (WCA), X-ray diffraction (XRD), field emission scanning electron microscope(FESEM), fourier infrared spectrum (FT-IR), and X-ray photoelectron spectroscope (XPS). The results showed that ACSw surface property changed to Hydrophobic after inorganic-organic modification, while its crystal structure remained unchanged. FT-IR and XPS resutls indicated that -Ca-SiO3 structure was generated firstly on the surface of whiskers after reaction with sodium silicate solution. And then a mixing coating layer containing both -Ca-HSiO3 and -Ca-COOR structures were formed through bonding interaction with stearic acid rather than physical absorption after particle hydrolyzation of -Ca-SiO3 structure.
关键词Anhydrous Calcium Sulfate Whisker Dual-surface Modification Chemical Adsorption
WOS标题词Science & Technology ; Technology
收录类别SCI
语种英语
WOS研究方向Materials Science
WOS类目Materials Science, Ceramics
WOS记录号WOS:000394920700013
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6196
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.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
2.Chinese Acad Sci, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xining 810008, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Lv Zhi-Hui,Hong Tian-Zeng,Nai Xue-Ying,et al. Mechanism of Inorganic-organic Surface Modification of Anhydrous Calcium Sulfate Whisker[J]. JOURNAL OF INORGANIC MATERIALS,2017,32(1):81-85.
APA Lv Zhi-Hui,Hong Tian-Zeng,Nai Xue-Ying,Dong Ya-Ping,&Li Wu.(2017).Mechanism of Inorganic-organic Surface Modification of Anhydrous Calcium Sulfate Whisker.JOURNAL OF INORGANIC MATERIALS,32(1),81-85.
MLA Lv Zhi-Hui,et al."Mechanism of Inorganic-organic Surface Modification of Anhydrous Calcium Sulfate Whisker".JOURNAL OF INORGANIC MATERIALS 32.1(2017):81-85.
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