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题名:
Recent progress in dispersion of palygorskite crystal bundles for nanocomposites
作者: Wang WB(王文波)1,2; Wang AQ(王爱勤)1,2
所属部门: 环境材料与生态化学研究发展中心
第二所属部门: 固体润滑国家重点实验室
所属课题: 功能复合材料组
通讯作者: 王爱勤
学科分类: 环境材料与生态化学
关键词: Palygorskite ; Disaggregation ; Nanocomposites ; Dispersion ; Nanorods
刊名: Applied Clay Science
DOI: 10.1016/j.clay.2015.06.030
ISSN号: 0169-1317
发表日期: 2016
卷: 119, 页:18-30
收录类别: SCI
英文摘要:

Palygorskite (Pal), as a valuable naturally available one-dimensional (1D) nanomaterial, has received greater attention in both academic and industrial areas. However, the rod crystals of Pal are usually existed as crystal bundles or aggregates in natural Pal owing to the stronger hydrogen-bonding and Van der Waals' interaction among rods, which limit the dispersion of Pal into water or other medium. Thus, the unique nanometer characteristics of Pal cannot be fully developed and its extensive application was limited, and so the high-efficient disaggregation of Pal aggregates into individual nanorods becomes a key to utilize the nanometer properties and develop the related product. In this review, the scattered information on the dispersion of crystal bundles or aggregates of natural Pal for application in nanocomposites was organized, and the high-pressure homogenization technology and integration disaggregation process proposed by our groups were especially introduced. The crystal bundles could be disaggregated by the "shearing, impact and cavitation" effects generated during high pressure homogenization process, without damaging the crystal structure and length of nanorods. The resultant nanoscale rods of Pal exhibit remarkable improvement of the colloidal, adsorptive, mechanical, thermal, and surface properties. These results reflect a scientific technical contribution to the nanocrystallization of the aggregated Pal rod crystals and its key role to develop various functional nanocomposites.

资助者: the “863” Project of the Ministry of Science and Technology, PR China (No. 2013AA032003);the National Natural Science Foundation of China (No. 21377135;U1407114;51403221)
语种: 英语
影响因子: 3.101
兰州化物所论文排名: 第一作者单位
WOS记录号: WOS:000366538900004
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.licp.ac.cn/handle/362003/19093
Appears in Collections:固体润滑国家重点实验室_期刊论文
环境材料与生态化学研究发展中心_期刊论文

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作者单位: 1.Chinese Acad Sci, State Key Lab Solid Lubricat, Ctr Ecomat & Green Chem, Lanzhou Inst Chem Phys, Lanzhou 730000, Peoples R China
2.Chinese Acad Sci, Ctr Xuyi Palygorskite Appl Technol, Lanzhou Inst Chem Phys, Xuyi 211700, Peoples R China

Recommended Citation:
Wang WB,Wang AQ. Recent progress in dispersion of palygorskite crystal bundles for nanocomposites[J]. Applied Clay Science,2016-01-01,119:18-30.
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