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A kind of ionic polymer and its preparation method and application

A technology of ionic polymers and cations, applied in chemical instruments and methods, and other chemical processes, can solve the problems of huge energy consumption, low dust removal efficiency, and expensive equipment, and achieve simple and easy-to-obtain raw materials, short preparation steps, and easy handling Effect

Active Publication Date: 2018-05-11
SICHUAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

External source treatment is mainly an anion machine based on negative oxygen ion neutralization and sedimentation and Brownian motion. Source treatment is mainly a diesel particulate filter based on multi-stage filtration technology and electrostatic dust removal technology based on electrostatic adsorption. The common limitations of both are that the equipment is too expensive, and its energy consumption is also very large, and the dust removal efficiency is low.

Method used

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  • A kind of ionic polymer and its preparation method and application
  • A kind of ionic polymer and its preparation method and application
  • A kind of ionic polymer and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0028] Example 1: 1-methyl-3-ethylimidazolium hexanitrol lanthanate ionic liquid / polyvinylpyrrolidone ionomer

[0029] Add 1-methyl-3-ethylimidazolium hexanitrol lanthanate ionic liquid and polyvinylpyrrolidone to water at a molar ratio of 1:10 based on monomers, and react at reflux for 4 hours at 100°C, and then vacuum the One of the water removed, that is, a yellow solid.

example 2

[0030] Example 2: 1-methyl-3-octylimidazolium hexanitrol lanthanate ionic liquid / polyvinylpyrrolidone ionomer

[0031] Add 1-methyl-3-octylimidazolium hexanitrol lanthanum salt ionic liquid and polyvinylpyrrolidone to water at a molar ratio of 1:10 based on the monomers, react at 100°C for 4 hours, and then put them under vacuum The water was removed to obtain a yellow solid.

example 3

[0032] Example 3: 1-Methyl-3-Propylimidazolium Hexanitrosylcerate Ionic Liquid / Polyvinylpyrrolidone Ionic Polymer

[0033] Add 1-methyl-3-propylimidazolium hexanitrate cerium ionic liquid and polyvinylpyrrolidone to water at a molar ratio of 1:10 based on monomers, react at 120°C for 6 hours, and then vacuum The water was removed to obtain a yellow solid.

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Abstract

The invention provides an ionic polymer and its preparation method and application. Different rare earth ionic liquids are reacted with polyvinylpyrrolidone in different molar ratios under mild conditions to obtain a series of new functional materials with fine particle adsorption properties. . This type of material not only has the characteristics of high thermal stability and phase stability of rare earth ionic liquids, but also has the characteristics of high adsorption rate of fine particles, long-lasting adsorption performance, and reproducibility, which makes this material can be used in various fields. . The most important thing is that the preparation process of the method is simple, the raw materials are easy to obtain, the cost is low, and no organic solvent is used, the raw material utilization rate is high, the method is green and environmentally friendly, and can be applied to large-scale industrial production.

Description

technical field [0001] The invention belongs to the field of rare earth functional materials and their preparation and application, and relates to an ion polymer and its preparation method and application. Background technique [0002] With the continuous development of the world economy, urban air pollution is becoming more and more serious. Among many air pollutants, PM2.5 is the most harmful. Due to its small particle size and large specific surface area, it can absorb a large amount of toxic and harmful substances, and at the same time, it can be inhaled into the lungs of humans, causing various diseases, even lung cancer. In addition, PM2.5 is also the direct cause of smog. The source of PM2.5 is mainly anthropogenic, so how to control the emission of PM2.5 from the source has become an urgent problem. [0003] The existing PM2.5 removal technologies are mainly divided into out-of-source treatment and source treatment. External source treatment is mainly an anion ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F26/10C08F8/44B01J20/26B01J20/30B01D49/00
CPCB01D49/00B01J20/26C08F8/44C08F26/10
Inventor 陶国宏宋康祥何玲
Owner SICHUAN UNIV
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