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Title:
ZWITTERIONIC ANTI-FREEZING ORGANIC HYDROGEL, PREPARATION METHOD THEREFOR, AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/004930
Kind Code:
A1
Abstract:
A zwitterionic anti-freezing organic hydrogel, a preparation method therefor, and the use thereof. A zwitterionic Poly-EG organic hydrogel is obtained by randomly copolymerizing SBMA and HEMA in a mixed solution of ethylene glycol (EG) and water. Due to the excellent anti-freezing property of the ethylene glycol solution, the hydrogel exhibits a good freezing resistance. In addition, after inorganic salt LiCl is introduced into the system, this not only imbues the hydrogel with electrical conductivity, but also further improves the anti-freezing property of the hydrogel. The interaction of organic molecules and the polymer network also improves the mechanical stability of the hydrogel, such that the hydrogel has good mechanical properties. In addition, due to the interaction between amphoteric groups and intramolecular groups, the hydrogel further exhibits a good adhesion and a good volatility resistance. With a good electrical conductivity, the organic hydrogel has certain application prospects in both strain sensors and supercapacitors, and due to the excellent anti-freezing property, such uses can also extend to below zero degrees centigrade.

Inventors:
LIU LIBIN (CN)
YANG JIANBO (CN)
BAN QING (CN)
LI XUELIN (CN)
GAI LIGANG (CN)
JIANG HAIHUI (CN)
LI MEI (CN)
Application Number:
PCT/CN2021/116473
Publication Date:
February 02, 2023
Filing Date:
September 03, 2021
Export Citation:
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Assignee:
UNIV QILU TECHNOLOGY (CN)
International Classes:
C08F220/20; C08F2/06; C08F220/38; H01G11/56
Foreign References:
CN112735848A2021-04-30
CN110256634A2019-09-20
CN111261425A2020-06-09
US20200246466A12020-08-06
Attorney, Agent or Firm:
ZHUSEN INTELLECTUAL PROPERTY AGENCY OFFICE (CN)
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