Investigation into the surface modification of aragonite whiskers

ISL OpenIR > 青海盐湖研究所知识仓储

	Investigation into the surface modification of aragonite whiskers
	Jing, Yanwei 1,2; Nai, Xueying1 ; Zhu, Donghai 1; Dang, Li 1,2; Wang, Yabin 1; Li, Wu1
	2016-03-01
发表期刊	SURFACE AND INTERFACE ANALYSIS
卷号	48 期号:3 页码:126-131
文章类型	Article
摘要	Aragonite whiskers (AWs) were treated with several fatty acid surfactants and silane coupling agent in order to determine the optimal modifier by using contact angle measurements. The results revealed that the AWs modified by fatty acids showed more remarkable increase in the contact angle than by silane, suggesting the former were preferentially applied in modifying AWs. While the samples coated with fatty acids exhibited hydrophobicity with contact angles ranging from 104.08 degrees to 137.87 degrees with increasing of carbon chain length. Therefore, the highest contact angle of AWs treated by oleic acid was discussed in detail as an example, which was characterized by field emission scanning electron microscope (FESEM), transmission electron microscopy (TEM), thermo-gravimetry analyses (TGA), X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared (FTIR). FESEM and TEM results showed a thin layer coated on the modified sample surface. Both the results of TGA and XPS confirmed organic groups existed in the sample of AWs treated by oleic acid. FTIR demonstrated that calcium dioleate was formed in the modification process. Further, modification mechanism was proposed based on the obtained results. Copyright (c) 2016 John Wiley & Sons, Ltd.
关键词	Aragonite Whiskers Fatty Acid Surface Modification Modification Mechanism
WOS标题词	Science & Technology ; Physical Sciences
关键词[WOS]	CALCIUM-CARBONATE ; REINFORCED CEMENT ; COMPOSITES ; ACIDS ; XPS
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:000369871600002
引用统计
文献类型	期刊论文
条目标识符	http://ir.isl.ac.cn/handle/363002/6294
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.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Jing, Yanwei,Nai, Xueying,Zhu, Donghai,et al. Investigation into the surface modification of aragonite whiskers[J]. SURFACE AND INTERFACE ANALYSIS,2016,48(3):126-131.
APA	Jing, Yanwei,Nai, Xueying,Zhu, Donghai,Dang, Li,Wang, Yabin,&Li, Wu.(2016).Investigation into the surface modification of aragonite whiskers.SURFACE AND INTERFACE ANALYSIS,48(3),126-131.
MLA	Jing, Yanwei,et al."Investigation into the surface modification of aragonite whiskers".SURFACE AND INTERFACE ANALYSIS 48.3(2016):126-131.