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Preparation method of ion imprinted polymer film

A technology of polymer film and ion imprinting, applied in separation methods, chemical instruments and methods, membrane technology, etc., can solve problems such as unsuccessful technical solutions, and achieve the effects of convenient control, simple and fast operation, and mild preparation conditions

Active Publication Date: 2013-07-24
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method may become a new electrochemical polymerization method for the preparation of new ion-imprinted polymers, but no successful technical solutions have been reported so far.

Method used

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  • Preparation method of ion imprinted polymer film
  • Preparation method of ion imprinted polymer film
  • Preparation method of ion imprinted polymer film

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0037] (1) 0.3423 g pyrrole monomer is dissolved in the aqueous solution of 200 ml and is mixed with the pyrrole aqueous solution A of 0.025 mol / L;

[0038] (2) 3.7462 g potassium chloride is dissolved in the aqueous solution of 100 ml and is mixed with the potassium chloride aqueous solution B of 0.5 mol / L;

[0039] (3) 4.8627 g concentrated hydrochloric acid is dissolved in the aqueous solution of 100 ml and is mixed with the hydrochloric acid solution C of 0.5 mol / L;

[0040] (4) 0.6064 g nickel chloride is dissolved in the aqueous solution of 100 ml and is mixed with the nickel chloride solution D of 0.025 mol / L;

[0041] (5) 0.8273 g potassium ferricyanide is dissolved in the aqueous solution of 100 ml and is mixed with the potassium ferricyanide solution E of 0.025 mol / L;

[0042] (6) Take 10 ml of solution A, solution B, solution C, solution D and solution E respectively into the reaction vessel and stir evenly;

[0043] (7) Using a three-electrode system (the working...

Embodiment approach 2

[0048] (1) 0.3423 g pyrrole monomer is dissolved in the aqueous solution of 200 ml and is mixed with the pyrrole aqueous solution A of 0.025 mol / L;

[0049] (2) 3.7462 g potassium chloride is dissolved in the aqueous solution of 100 ml and is mixed with the potassium chloride aqueous solution B of 0.5 mol / L;

[0050] (3) 4.8627 g concentrated hydrochloric acid is dissolved in the aqueous solution of 100 ml and is mixed with the hydrochloric acid solution C of 0.5 mol / L;

[0051] (4) 0.6064 g nickel chloride is dissolved in the aqueous solution of 100 ml and is mixed with the nickel chloride solution D of 0.025 mol / L;

[0052] (5) 0.8273 g potassium ferricyanide is dissolved in the aqueous solution of 100 ml and is mixed with the potassium ferricyanide solution E of 0.025 mol / L;

[0053] (6) Take 10 ml of solution A, solution B, solution C, solution D and solution E respectively into the reaction vessel and stir evenly;

[0054] (7) Three-electrode system is adopted: the work...

Embodiment approach 3

[0058] (1) 0.3423 g pyrrole monomer is dissolved in the aqueous solution of 200 ml and is mixed with the pyrrole aqueous solution A of 0.025 mol / L;

[0059] (2) 5.055 g potassium nitrate is dissolved in the aqueous solution of 100 ml and is mixed with the potassium nitrate aqueous solution B of 0.5 mol / L;

[0060] (3) Dissolve 4.8469 g of concentrated nitric acid in 100 ml of aqueous solution and prepare 0.5 mol / L nitric acid solution C;

[0061] (4) 0.9576 g yttrium nitrate is dissolved in the aqueous solution of 100 ml and is mixed with 0.025 mol / L yttrium nitrate solution D;

[0062] (5) 0.8273 g potassium ferricyanide is dissolved in the aqueous solution of 100 ml and is mixed with the potassium ferricyanide solution E of 0.025 mol / L;

[0063] (6) Take 10 ml of solution A, solution B, solution C, solution D and solution E respectively into the reaction vessel and stir evenly;

[0064] (7) Using a three-electrode system (the working electrode has an effective area of ​​2 ...

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Abstract

Belonging to the fields of electroactive functional polymer film material preparation and selective separation of ions, the invention relates to a preparation method of an ion imprinted polymer film. The invention is characterized by relating to a preparation method of an ion imprinted polymer film with an electronic control cation exchange function. The method includes: preparing a water solution of the monomer for polymer preparation, an electrolyte solution, a protonic acid solution, an imprinted ion solution and a doping ion solution, then mixing the five solutions, conducting in situ polymerization on a conductive substrate by a monopolar pulse electrodeposition method so as to synthesize imprinted ion removed ferricyanic group doped polymer film by one step. Being simple and fast to operate, the method provided in the invention needs no additional pickling step and can realize imprinted ion removal in situ. Also, the preparation conditions are mild and are easy to control. The ion imprinted polymer film prepared by the method has an electronic control cation exchange function, and can be used for selective removal of heavy metal ions in water or separation recycling of rare earth ions.

Description

technical field [0001] The invention discloses a method for preparing an ion-imprinted polymer film, which belongs to the field of preparation of electroactive functional polymer film materials and the selective separation of ions, and specifically relates to a method for preparing an ion-imprinted polymer film with an electronically controlled cation exchange function. Background technique [0002] Heavy metal ion pollution has become a serious problem worldwide that threatens the environment and human health. On the other hand, these heavy metal ions, including noble metals and rare earth ions, are important strategic resources. Therefore, the separation and recovery of heavy metal ions is important in both environment and resources Is of great significance. However, conventional treatment methods such as chemical precipitation, adsorption, electrolysis and ion exchange are difficult to meet the technical and economic requirements of purification treatment, especially when...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J9/26C08G73/06C08G73/02C08G61/12B01D67/00B01D71/62B01D71/60B01D71/66C02F1/469C25D9/02C25D5/18
Inventor 郝晓刚王永洪梁国琴张浩王忠德张新儒
Owner TAIYUAN UNIV OF TECH
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