Recyclable cellulose-based conductive self-repairing eutectic gel as well as preparation method and application thereof
A cellulose-based, self-healing technology, applied in the direction of using electric/magnetic devices to transmit sensing components, can solve the problems of time-consuming manufacturing process, complexity, and large-scale application limitations, so as to avoid structural damage and self-healing The effect of adjustable performance and mechanical properties
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Embodiment 1
[0048] A method for preparing recyclable oriented cellulose-based conductive self-repairing eutectic gel, comprising the following steps:
[0049](1) Mix the PVA solution whose mass fraction range of PVA is 5.0wt% of System 3 with the gelatin solution whose mass fraction range of gelatin is 5.0wt% of System 3, and stir evenly to obtain System 1.
[0050] (2) Glycerol-choline chloride with a molar ratio of 3:1 was configured as DES, and 30 wt% of DES whose mass fraction range was System 3 was added to System 1, and stirred evenly to obtain System 2.
[0051] (3) Add 2.0wt% DCMC whose mass fraction is System 3 to System 2, and stir evenly to obtain System 3.
[0052] (4) Pour system 3 into a mold for directional freezing with liquid nitrogen, and after 3 directional freezing-thawing operations, system 4 is obtained.
[0053] (5) Freeze-drying the system 4 to obtain a recyclable oriented cellulose-based conductive self-healing eutectic gel.
[0054] figure 2 It is a scanning ...
Embodiment 2
[0057] A method for preparing recyclable oriented cellulose-based conductive self-repairing eutectic gel, comprising the following steps:
[0058] (1) Mix the PVA solution whose mass fraction range of PVA is 2.5wt% of System 3 with the gelatin solution whose mass fraction range of gelatin is 5.0wt% of System 3, and stir evenly to obtain System 1.
[0059] (2) Glycerol-choline chloride with a molar ratio of 3:1 was configured as DES, and 30 wt% of DES whose mass fraction range was System 3 was added to System 1, and stirred evenly to obtain System 2.
[0060] (3) Add 2.0wt% DCMC whose mass fraction is System 3 to System 2, and stir evenly to obtain System 3.
[0061] (4) Pour system 3 into a mold for directional freezing with liquid nitrogen, and after 3 directional freezing-thawing operations, system 4 is obtained.
[0062] (5) Freeze-drying the system 4 to obtain a recyclable oriented cellulose-based conductive self-healing eutectic gel.
Embodiment 3
[0064] A method for preparing recyclable oriented cellulose-based conductive self-repairing eutectic gel, comprising the following steps:
[0065] (1) Mix the 10.0wt% PVA solution whose mass fraction range of PVA is System 3 and the 5.0wt% gelatin solution whose mass fraction range is System 3, and stir evenly to obtain System 1.
[0066] (2) Glycerol-choline chloride with a molar ratio of 3:1 was configured as DES, and 30 wt% of DES whose mass fraction range was System 3 was added to System 1, and stirred evenly to obtain System 2.
[0067] (3) Add 2.0wt% DCMC whose mass fraction is System 3 to System 2, and stir evenly to obtain System 3.
[0068] (4) Pour system 3 into a mold for directional freezing with liquid nitrogen, and after 3 directional freezing-thawing operations, system 4 is obtained.
[0069] (5) Freeze-drying the system 4 to obtain a recyclable oriented cellulose-based conductive self-healing eutectic gel.
[0070] Figure 4 and Figure 5 Respectively, in t...
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Abstract
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