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A method for regulating the thermal response temperature of an ionic liquid gel, a thermally responsive ionic liquid gel and its application

An ionic liquid and thermal response technology, applied in the field of responsive materials, can solve problems such as insufficient mechanical properties

Active Publication Date: 2022-07-22
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for flexible ionic liquid gel materials applied to flexible wearable devices, it is not enough for flexible ionic liquid gel materials to have tunable mechanical properties, and it is necessary to further develop ionic liquid-based smart responsive gel materials. The comprehensive properties, such as in the case of ensuring the stability of mechanical properties and adhesion, can realize the regulation of the thermal response temperature of ionic liquid gels, so as to broaden the application range of ionic liquids in smart responsive materials

Method used

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  • A method for regulating the thermal response temperature of an ionic liquid gel, a thermally responsive ionic liquid gel and its application
  • A method for regulating the thermal response temperature of an ionic liquid gel, a thermally responsive ionic liquid gel and its application
  • A method for regulating the thermal response temperature of an ionic liquid gel, a thermally responsive ionic liquid gel and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0103] (1) Mix 0.6 g of butyl acrylate monomer and 0.4 g of ionic liquid (1-ethyl-3-methylimidazole bis-trifluoromethanesulfonimide salt) to obtain mixed solution A; wherein, butyl acrylate The mass ratio of ester monomer mixed solution A is 6:10;

[0104] (2) The mixed solution A obtained in the step (1) and 10 mg of ethylene glycol dimethacrylate (EGDMA for short, and the ratio of the amount of the butyl acrylate monomer to the amount of matter is 1:100) and 2 mg of ethylene glycol dimethacrylate (EGDMA for short) 2,2-diethoxyacetophenone (with the mass ratio of butyl acrylate monomer: 2:1000) was heated in an oven at 80° C. and the solution was thoroughly mixed with ultrasound to obtain a mixed solution B.

[0105] (3) The mixed solution B obtained in the step (1) is transferred to a target mold and placed under ultraviolet light for 40 minutes to perform a radical polymerization reaction initiated by ultraviolet light to obtain a thermally responsive ionic liquid gel.

Embodiment 2

[0107] The difference from Example 1 is that the ionic liquid is 1-propyl-3-methylimidazole bis-trifluoromethanesulfonimide salt, and the remaining steps are the same as those in Example 1.

Embodiment 3

[0109] The difference from Example 1 is that the ionic liquid is 1-butyl-3-methylimidazole bis-trifluoromethanesulfonimide salt, and the remaining steps are the same as those in Example 1.

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Abstract

The invention provides a method for regulating the thermal response temperature of an ionic liquid gel, belonging to the technical field of response materials. In the present invention, a mixture of acrylate monomers and ionic liquid is mixed with a crosslinking agent and a photoinitiator, and a radical polymerization reaction is initiated in the presence of ultraviolet light to obtain a thermally responsive ionic liquid gel; The mass ratio of the ionic liquid and the length of the side chain of the acrylate monomer can realize the regulation of the thermal response temperature of the ionic liquid gel, so that the prepared thermally responsive ionic liquid gel has the property of adjustable thermal response temperature, which can broaden the ionic liquid. Applications in smart responsive materials. The results of the examples show that the thermally responsive ionic liquid gel prepared by the present invention can achieve a thermal response temperature of ‑32 by adjusting the ratio of the butyl acrylate monomer to the ionic liquid and the lengths of different cationic side chains. Wide range of control from ℃ to 172℃.

Description

technical field [0001] The invention relates to the technical field of responsive materials, in particular to a method for regulating the thermal response temperature of an ionic liquid gel, a thermally responsive ionic liquid gel and an application thereof. Background technique [0002] Smart responsive material refers to a material that can respond to external stimuli such as light, heat, electricity, magnetism, and solvents. With the rapid development of materials science in recent years, more and more smart responsive materials have been developed and played an indispensable role in various fields. Polymer gel is a kind of quasi-solid soft matter material with stable three-dimensional network structure composed of cross-linked polymer and solvent. Thanks to its soft and wet properties, it is often used in biomedicine, flexible electronic devices and anti-aging materials. Fouling coatings, etc. Among them, gel materials with smart responsiveness have been widely used in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F220/18C08F226/06C08F222/14C08F2/48
CPCC08F220/1804C08F226/06C08F2/48C08F222/102
Inventor 刘明杰赵天艺陈列
Owner BEIHANG UNIV
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