Title:
REACTION KETTLE AND PREPARATION METHOD FOR SILICON DIOXIDE AEROGEL THERMAL INSULATION COMPOSITE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2023/035578
Kind Code:
A1
Abstract:
The present application discloses a reaction kettle and a preparation method for a silicon dioxide aerogel thermal insulation composite material. The method comprises the following steps: providing a reaction kettle, wherein the reaction kettle comprises a kettle body and a plurality of ultrasonic device groups, the kettle body is provided with a reaction chamber, the plurality of ultrasonic device groups are arranged on the sidewall of the reaction chamber in an up-down direction, each ultrasonic device group comprises a plurality of ultrasonic transducers, and the plurality of ultrasonic transducers are arranged at intervals in the circumferential direction of the reaction chamber; providing a wet gel composite material subjected to aging treatment; placing the wet gel composite material in the reaction chamber, adding a silsesquioxane solution and an acid solution, and performing annular ultrasonic cavitation treatment, so that the liquid in the reaction chamber is emulsified and reacts so as to obtain a modified material; and drying the modified material to obtain the silicon dioxide aerogel thermal insulation composite material.
Inventors:
ZHANG HEPING (CN)
PAN YUELEI (CN)
CHENG XUDONG (CN)
GONG LUNLUN (CN)
PAN YUELEI (CN)
CHENG XUDONG (CN)
GONG LUNLUN (CN)
Application Number:
PCT/CN2022/081157
Publication Date:
March 16, 2023
Filing Date:
March 16, 2022
Export Citation:
Assignee:
INSTITUTE OF ADVANCED TECHNOLOGY UNIV OF SCIENCE AND TECHNOLOGY OF CHINA (CN)
International Classes:
C04B30/02; B01J13/00; B01J19/10; C04B38/00
Foreign References:
| CN113666712A | 2021-11-19 | |||
| CN106810139A | 2017-06-09 | |||
| CN103418323A | 2013-12-04 | |||
| CN210875266U | 2020-06-30 | |||
| US20050260106A1 | 2005-11-24 |
Attorney, Agent or Firm:
CENFO INTELLECTUAL PROPERTY AGENCY (CN)
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