Title:
SIZE-CONTROLLABLE AEROGEL BALL AND PREPARATION METHOD AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/120712
Kind Code:
A1
Abstract:
The present invention belongs to the technical field of nanoporous materials, and discloses size-controllable aerogel balls and a preparation method thereof and application thereof. The method for preparing aerogel balls of the present invention comprises the following steps: mixing a filler, a viscosity index improver, salt, and water in accordance with the mass ratio of 1:0.05–0.2:0.025–0.05:5–50 to obtain a functionalized filler slurry; placing the functionalized filler slurry into an electrospray treatment unit to obtain filler slurry droplets of controlled diameter; then dropping into a low-temperature cooling medium, freezing to form a frozen mixture, and freeze-drying to obtain an aerogel ball precursor; subjecting the aerogel ball precursor to first and second sintering heat treatment to obtain aerogel balls. The present invention has a broad range of applicable materials, controllable aerogel size, a simple preparation process, relatively mild reaction conditions, and high yield; the diameter of the aerogel balls is controllable, porosity is high, and the invention has good prospects for application in many fields.
Inventors:
YAO YIMIN (CN)
SUN RONG (CN)
ZENG XIAOLIANG (CN)
REN LINLIN (CN)
ZHANG TAO (CN)
XU JIANBIN (CN)
SUN RONG (CN)
ZENG XIAOLIANG (CN)
REN LINLIN (CN)
ZHANG TAO (CN)
XU JIANBIN (CN)
Application Number:
PCT/CN2020/135250
Publication Date:
June 16, 2022
Filing Date:
December 10, 2020
Export Citation:
Assignee:
SHENZHEN INST OF ADV TECH CAS (CN)
International Classes:
C01B21/064; B01J13/00; C01B21/072; C01B32/956; C01F7/02; C01G9/02
Foreign References:
| CN102898174A | 2013-01-30 | |||
| CN103204695A | 2013-07-17 | |||
| CN106044752A | 2016-10-26 | |||
| US20150299421A1 | 2015-10-22 | |||
| CN105017555A | 2015-11-04 |
Attorney, Agent or Firm:
BEIJING CHENGHUI LAW FIRM (CN)
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