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Negative radical ions liquid and self-assembly ions separation method

A technology of ionic liquid and separation method, which is applied in the direction of coating, etc., can solve the problems of secondary pollution and easy volatilization, and achieve the effect of good safety

Inactive Publication Date: 2017-08-11
ANHUI LITE ENVIRONMENTAL PROTECTION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional oxidants are divided into acidic, alkaline and neutral oxidants according to the medium requirements. The acidic medium oxidants include hydrogen peroxide, peracetic acid, sodium dichromate, chromic acid and nitric acid, etc. These oxidants are volatile and need to be used when using There are potential safety hazards for protection; alkaline medium oxidants include sodium hypochlorite, sodium percarbonate, sodium perborate and potassium perborate, etc., which are likely to cause secondary pollution during use; neutral oxidants such as bromine, iodine, etc. , there is also the problem of secondary pollution. Therefore, it is necessary to prepare a new type of oxidant with good safety and strong oxidizing ability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0019] (1) Preparation of alkaline polymer electrolyte. After mixing polyethylene oxide and water, stir in a water bath at 92°C to 95°C and mix the ingredients evenly, then slowly add lithium hydroxide aqueous solution to polyethylene oxide aqueous solution In the process, a uniform colloid is formed, and the obtained colloid is drawn into a porous polyethylene oxide-lithium hydroxide-water polymer film;

[0020] (2) Preparation of porous nano-silicon oxide solution, adding porous nano-silicon oxide with a particle size of 15nm to 100nm into warm water at 30°C to 40°C, stirring at a constant speed to form a uniform porous nano-silicon oxide solution;

[0021] (3) Separation of self-assembled ions, uniformly coating the porous nano-silica solution prepared in step (2) on the porous polyethylene oxide-lithium hydroxide-water polymer film in step (1), and then stretching Tight porous polyethylene oxide-lithium hydroxide-water polymer film and inject alkaline deoxygenated deionize...

Embodiment 1

[0033] Carry out the preparation of negative radical ionic liquid according to the following steps:

[0034] (1) Preparation of alkaline polymer electrolyte, mix 2.2g of polyethylene oxide and 20ml of water, stir in a 93°C water bath and mix the ingredients, then slowly add 10ml of lithium hydroxide (0.1mol / L) aqueous solution into a polyethylene oxide aqueous solution to form a uniform colloid, and the obtained colloid is drawn into a porous polyethylene oxide-lithium hydroxide-water polymer film;

[0035] (2) Preparation of porous nano-silicon oxide solution, add 0.3g of porous nano-silicon oxide to warm water at 37°C, and stir at a constant speed to form a uniform porous nano-silicon oxide solution;

[0036] (3) Separation of self-assembled ions, uniformly coating the porous nano-silica solution prepared in step (2) on the porous polyethylene oxide-lithium hydroxide-water polymer film in step (1), in which the porous The role of nano-silica has two aspects: first, it can a...

Embodiment 2

[0039] Carry out the preparation of negative radical ionic liquid according to the following steps:

[0040] (1) Preparation of alkaline polymer electrolyte, mix 2.3g of polyethylene oxide and 20ml of water, stir in a water bath at 92°C and mix the ingredients evenly, then slowly add 10ml of lithium hydroxide (0.05mol / L) aqueous solution into a polyethylene oxide aqueous solution to form a uniform colloid, and the obtained colloid is drawn into a porous polyethylene oxide-lithium hydroxide-water polymer film;

[0041] (2) Preparation of porous nano-silica solution, add 0.2g of porous nano-silica to warm water at 39°C, and stir at a constant speed to form a uniform porous nano-silica solution;

[0042] (3) Separation of self-assembled ions, uniformly coating the porous nano-silica solution prepared in step (2) on the porous polyethylene oxide-lithium hydroxide-water polymer film in step (1), and then stretching Tight porous polyethylene oxide-lithium hydroxide-water polymer film...

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Abstract

The invention relates to negative radical ions liquid, which belongs to the technical field of a chemical product. The negative radical ions liquid is prepared by mixing the following components in parts by weight: 0.5-5 parts of porous nano silicon oxide, 1-20 parts of alkaline polymer electrolyte, and 80-200 parts of water. A technical scheme of the invention takes water as a medium, the usage security is good, and secondary pollution problem is not existed. The invention also provides a negative radical ions liquid separating method, which comprises the following steps: 1) preparation of the alkaline polymer electrolyte; 2) preparation of a porous nano silicon oxide solution; and 3) separation of self-assembly ions. The separating preparation method has the advantages of simple process and wide practical value.

Description

technical field [0001] The invention relates to a negative free radical ionic liquid and a method for separating the negative free radical ionic liquid, belonging to the technical field of chemical products. Background technique [0002] The electron-accepting property of an oxidizing agent is called oxidative property, and the determinant of oxidative property is the electron-accepting tendency of high-valence elements in the substance. In the solution, according to the electric double layer theory, the size of the oxidation is reflected in the standard hydrogen electrode potential of the oxidant: the higher the potential, the stronger the oxidation; the lower the potential, the weaker the oxidation, correspondingly, the reduced state The stronger the reducibility. Traditional oxidants are divided into acidic, alkaline and neutral oxidants according to the medium requirements. The acidic medium oxidants include hydrogen peroxide, peracetic acid, sodium dichromate, chromic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J9/36C08J5/18C08L71/02C08K3/22
CPCC08J9/36C08J5/18C08J9/365C08J2371/02C08K3/22C08K2003/2203C08L71/02
Inventor 朱长效张立德赵金良
Owner ANHUI LITE ENVIRONMENTAL PROTECTION TECH
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