Ionized backbone polymer capable of removing particulate pollution and preparation method thereof

Abstract

The present invention relates to an ionizing matrix polymer, its preparation method and its application in the removal of particulate matter pollution. Using the unique three-dimensional skeleton structure of the existing melamine sponge, the chitosan coating is coated on the skeleton, and then ethylene glycol glycidyl ether reacts with the chitosan coating to make it cross-linked and carry a large amount of foam on the surface. The epoxy group, and then use the epoxy group to react with sodium bisulfite to generate sulfonate anion, so that the surface of the skeleton will absorb a large number of small water droplets due to strong hydrophilicity, and when the air flows in the material pores, the particulate matter can be Transferred to the adsorbed water droplets, thereby achieving the purification of polluted air. The advantages of this air purification method are: the structure of the device is simple, the material can be recycled many times, the cost is low, the energy consumption is small, the adaptability is strong, it is harmless to the environment and people, and there is no secondary pollution.

Description

technical field [0001] The present invention relates to the preparation of a novel ionizing framework polymer and its use in the removal of particulate matter pollution. The use of the ionizing backbone polymer can provide a method for removing particulate matter in the air that is convenient, fast and highly effective. Background technique [0002] Particulate matter with a diameter of less than 2.5 microns is called PM2.5. In recent years, with the intensification of pollution caused by automobile exhaust, industrial combustion, household or nature, the concentration of PM2.5 in the air has risen rapidly, and the harm to human health has become more and more serious. It's getting serious. Air pollution is responsible for nearly 2.1 million premature deaths worldwide each year, according to a new study. A large number of studies have found that the level of PM2.5 is positively correlated with the incidence and mortality of lung cancer. PM2.5 can enter the blood, and what ...

AI Technical Summary

Problems solved by technology

There are two disadvantages in this filtering technology: one is that there is a contradiction between the filtering effect and the air flow rate, that is, in order to improve the filtering effect, the thickness of the filter layer is often increased, then the air circulation resistance increases, and the air flow rate becomes smaller. To increase the air flow under the premise of ensuring the filtering effect, the power of the fan has to be increased, which not only wastes energy, but also increases the noise

Another disadvantage is that HEPA is for one-time use. Once the dust accumulates too much, it can only be replaced with a new one, and its use cost is relatively high.

In addition, there are potential technical bottlenecks in the filtration method. Removal of PM2.5 is its filtration limit, and it cannot cope with extremely small pollutants like PM0.1. In fact, the smaller the size of the pollutant, the more harmful it will be. If the requirements for air purification are further improved in the future, it is not enough to rely solely on filtration technology.

[0004] The existing air purification technology has shortcomings, fundamentally speaking, it lacks one of the most basic elements---water

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