Title:
COMPOUND NANOMATERIAL USING MESOPOROUS SILICA-COATED NANOPARTICLES, PREPARATION METHOD AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/128504
Kind Code:
A1
Abstract:
A compound nanomaterial using mesoporous silica-coated nanoparticles, and a preparation method and application thereof. First, dispersing nanoparticles in an aqueous solution of ethanol, adding ammonium hydroxide to adjust a pH, then dripping in an ethanol aqueous solution of centrimonium bromide under ultrasound, continuing ultrasound, dripping in tetraethyl orthosilicate, and purifying, obtaining a stable and controllable compound nanomaterial having mesoporous silica as a shell, nanoparticles as a core, and uniform size; the present preparation method can embed two or three nanoparticles having different types/functions in the same mesoporous silica shell, realizing multi-core coating, the method is universal and may be expanded to coating more different nanoparticles, the preparation process is green and efficient, it may be performed at room temperature, a hydrophilic solvent is used, costs are relatively low, techniques are simple, a particle size of the obtained compound nanomaterial may be as low as 50 nm, and it is possible to obtain compound nanomaterials of different dimensions by means of adjusting proportions of reagents used.
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Inventors:
CASALS MERCADAL EUDALD (CN)
ZENG MULING (CN)
ZHOU HONGZHI (CN)
LI QIHONG (CN)
RONG ZHIFENG (CN)
ROSENHOLM JESSICA (CN)
CASALS MERCADA GREGORI (CN)
PUNTES VICTOR (CN)
ZENG MULING (CN)
ZHOU HONGZHI (CN)
LI QIHONG (CN)
RONG ZHIFENG (CN)
ROSENHOLM JESSICA (CN)
CASALS MERCADA GREGORI (CN)
PUNTES VICTOR (CN)
Application Number:
PCT/CN2020/071495
Publication Date:
July 01, 2021
Filing Date:
January 10, 2020
Export Citation:
Assignee:
UNIV WUYI (CN)
International Classes:
C01G1/02; B82Y30/00; B82Y40/00; C01F17/235; C01F17/36; C01G11/00; C01G49/08
Foreign References:
| CN105154429A | 2015-12-16 | |||
| CN105561315A | 2016-05-11 | |||
| CN105290394A | 2016-02-03 | |||
| CN105903032A | 2016-08-31 | |||
| CN107674548A | 2018-02-09 | |||
| CN104225599A | 2014-12-24 | |||
| CN103464065A | 2013-12-25 | |||
| US20160051471A1 | 2016-02-25 |
Other References:
JIA YONGSHENG, LI ENZE; PAN ZIHE; DU ZHIPING; CHENG FANGQIN: "Preparation of functional magnetic core-shell nanoparticles and their adsorption of bisphenol A", WUJIYAN-GONGYE = INORGANIC CHEMICALS INDUSTRY, TIANJIN HUAGONG YANJIUSUO, CN, vol. 51, no. 4, 1 April 2019 (2019-04-01), CN, pages 72 - 76, XP055823390, ISSN: 1006-4990
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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