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Application of a Multifunctional Organogel in Sensors

An organogel, multi-functional technology, applied in the direction of instruments, measuring force, measuring devices, etc., can solve the problems of unsuitable sensor manufacturing, poor air stability, short service life, etc., and achieve good chemical stability and good stretchability. , the effect of long service life

Active Publication Date: 2020-10-27
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] If the existing gels are used for the preparation of sensors, because the existing gels are difficult to use at extreme temperatures above 60°C or below 0°C, they will lose water and shrink at high temperatures, and will freeze and lose flexibility at low temperatures
Moreover, their air stability is poor, they are easy to lose water, and their service life is short. In addition, they are easy to react with water and oxygen in the air, and then corrode the metal, resulting in damage to the device, so it is not suitable for the manufacture of sensors.

Method used

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  • Application of a Multifunctional Organogel in Sensors
  • Application of a Multifunctional Organogel in Sensors
  • Application of a Multifunctional Organogel in Sensors

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] The raw materials of the multifunctional gel of the present embodiment include: 15ml of propylene carbonate, 5ml of N-acryloylmorpholine, 0.081g of 1-hydroxycyclohexyl phenone, 0.024g of polyethylene glycol diacrylate and 2.87 g Lithium bistrifluoromethylsulfonyl imide.

[0050] This embodiment includes the following steps:

[0051] The first step: measure 15ml of propylene carbonate and 5ml of N-acryloylmorpholine into a 50ml beaker, then weigh 0.081g of 1-hydroxycyclohexyl phenone and 0.024g of polyethylene glycol diacrylate, Finally, 2.87 g of lithium bistrifluoromethanesulfonimide (LiTFSI) was weighed and added to the beaker, and the solution in the beaker was ultrasonically dispersed for 20 minutes to completely dissolve the solid.

[0052] The second step: pour the solution prepared in the first step into a transparent sheet mold, and then place the sheet mold under a UV lamp with a wavelength of 365nm and a power of 400W to irradiate it for 10 minutes to cure it...

Embodiment 2

[0055] The raw materials of the multifunctional gel of the present embodiment include: 15ml of propylene carbonate, 5ml of N-acryloylmorpholine, 0.081g of 1-hydroxycyclohexyl phenone, 0.024g of polyethylene glycol diacrylate and 2.87 g Lithium bistrifluoromethylsulfonyl imide.

[0056] This embodiment includes the following steps:

[0057] The first step: measure 15ml of propylene carbonate and 5ml of N-acryloylmorpholine into a 50ml beaker, then weigh 0.081g of 1-hydroxycyclohexyl phenone and 0.024g of polyethylene glycol diacrylate, Finally, 2.87 g of lithium bistrifluoromethanesulfonimide (LiTFSI) was weighed and added to the beaker, and the solution in the beaker was ultrasonically dispersed for 20 minutes to completely dissolve the solid.

[0058] Step 2: Pour the solution prepared in the first step between two carbon sponges, and then place the carbon sponge under heating conditions (heating temperature 60°C, time 10h) to solidify the solution between the two carbon spo...

Embodiment 3

[0063] The raw materials of the multifunctional gel of the present embodiment include: 10ml of tributyl phosphate, 10ml of ethyl acrylate, 0.134g of 2-methyl-2-(4-morpholinyl)-1-[4-(methyl Thio)phenyl]-1-propanone, 0.024 g of polyethylene glycol diacrylate and 2.94 g of lithium 4,5-dicyano-2-trifluoromethylimidazolium (LiDTI).

[0064] This embodiment includes the following steps:

[0065] Step 1: Measure 10ml of tributyl phosphate and 10ml of ethyl acrylate into a 50ml beaker, then weigh 0.134g of 2-methyl-2-(4-morpholinyl)-1-[4-( Methylthio)phenyl]-1-propanone and 0.024g of polyethylene glycol diacrylate, and finally weighed 2.94g of 4,5-dicyano-2-trifluoromethylimidazolium lithium (LiDTI) into the beaker. The solution in the beaker was dispersed ultrasonically for 30 minutes to completely dissolve the solids.

[0066] The second step: pour the solution prepared in the first step into a transparent sheet mold, and then place the sheet mold under an ultraviolet lamp with a ...

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Abstract

The invention discloses application of a multifunctional organogel in a sensor. The multifunctional organogel comprises raw materials of a solvent, a monomer, a cross-linking agent, an electrolyte salt and an initiator, the volume ratio of the solvent to the monomer ranges from 1:5 to 5:1, the mol ratio of the cross-linking agent to the monomer ranges from 0.05% to 10%, the mol ratio of the initiator to the monomer ranges from 0.1% to 10%, and the concentration of the electrolyte salt in a mixed solution of all raw materials ranges from 0.1 to 5 mol / L. The multifunctional gel is used to manufacture the sensor by using the characteristic that the multifunctional gel does not corrode metal and is high in weather resistance, and a resistive sensor as well as a double electric layer capacitivesensor can be manufactured.

Description

technical field [0001] The invention relates to the field of ion conductors, in particular to the application of a multifunctional organic gel in sensors. Background technique [0002] Flexible electronic devices have attracted worldwide attention and developed rapidly in recent years. With the increasing demand for flexible wearable devices and soft machines, some high-performance ionic conductors with unique functions are gradually favored by people. Different from electronic conductors, ionic conductors use ions as charge carriers to transmit signals, realizing many functions that are difficult for electronic conductors, thus making various modern technologies possible, such as fuel cells, alkaline batteries, electrochemical transistors, sensors, etc. Hydrogel is the most widely studied ion conductor at this stage, with good transparency, flexibility and conductivity, easy to obtain raw materials, and low price. However, the volatility of water is strong, it is difficult...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L1/14G01L1/22C08F290/06C08F218/00C08F220/58C08F220/20C08F220/18C08F222/14C08F220/32C08F2/48
CPCC08F2/48C08F220/32C08F290/062C08F218/24G01L1/142G01L1/2287C08F220/1808C08F220/18C08F222/102
Inventor 丁书江高国新高伊扬石磊李召阳
Owner XI AN JIAOTONG UNIV
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