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IPDI macromolecular gel decontaminating agent

A molecular gel decontaminant, D230 technology, which is applied in the field of post-treatment of chemical dangerous goods leakage, can solve the problems of secondary pollution of decontamination products, long disposal time, large dosage of chemicals, etc., and achieves convenient follow-up treatment and fast response speed , the effect of rapid recovery

Active Publication Date: 2020-08-07
中国人民警察大学
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

First, the amount of chemicals required for treatment is large and the cost is high; second, the disposal time is too long, and the disaster cannot be quickly controlled; third, the decontamination products may cause secondary pollution

Method used

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  • IPDI macromolecular gel decontaminating agent
  • IPDI macromolecular gel decontaminating agent
  • IPDI macromolecular gel decontaminating agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1 Optimization of the dosage ratio of isophorone diisocyanate and polyetheramine

[0022] The configuration of IPDI macromolecular gel detergent, take 25g isopropanol, 75g total mass of isophorone diisocyanate and polyetheramine D230, and set the gradient of the dosage ratio of isophorone diisocyanate and polyetheramine D230 to 4 : 1, 3: 1, 2: 1, 1: 1, 1: 2, 1: 3, 1: 4; prepare 500g of toluene to be washed, put it in a container with a surface area of ​​0.2 square meters, and set up a total of 7 containers.

[0023] Mix the polyetheramine D230 and isopropyl alcohol evenly and spread it evenly on the surface of the container, and then spread the isophorone diisocyanate evenly on the surface of the container, start timing, when the mixture in the container appears as figure 1 When the gel state is shown, stop the timer and calculate the time (s) for gel formation.

[0024] Measurement results such as figure 2 As shown, when the mass ratio of isophorone diisocya...

Embodiment 2

[0025] Example 2 Optimization of the total mass and dosage ratio of isopropanol, isophorone diisocyanate and polyetheramine D230

[0026] As a dispersant, the amount of isopropyl alcohol added affects the viscosity, mechanical properties and encapsulation rate of the final gel, and ultimately affects the volatilization of toluene in the gel.

[0027] The configuration of IPDI macromolecule gel detergent, the total amount is 100g, the dosage ratio of isophorone diisocyanate and polyetheramine is 1:1, the total amount of isopropanol, isophorone diisocyanate and polyetheramine D230 Mass ratio of mass, set the gradient as 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8; prepare 1000g of toluene to be washed and place it on the surface area In a container of 0.2 square meters, a total of 8 containers are set.

[0028] Mix polyetheramine D230 and isopropyl alcohol evenly and sprinkle it on the surface of the container, and then sprinkle isophorone diisocyanate evenly on the surface of the c...

Embodiment 3

[0032] Example 3 Optimization of the most suitable amount of gel detergent

[0033] For the configuration of IPDI macromolecular gel detergent, take 25g of isopropanol, 37.5g of isophorone diisocyanate, 37.5g of polyetheramine D230, and 37.5g of polyetheramine D230, dissolved in isopropanol; prepare toluene to be washed separately 2500g (equivalent to 4% of the mass of toluene), 2000g (5%), 1600g (6.25%), 1000g (10%), 666g (15%), 500g (20%), 400g (25%) ), 300g (33%) were placed in a container with a surface area of ​​0.2 square meters, and a total of 8 containers were set.

[0034] Mix polyetheramine D230 and isopropyl alcohol evenly and sprinkle it on the surface of the container, and then sprinkle isophorone diisocyanate evenly on the surface of the container. When the mixture in the container is as follows: figure 1 When the gel state is shown, the gel forms.

[0035] After the gel is formed, adopt the detection method such as embodiment 2 to detect the toluene volatiliza...

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Abstract

The invention discloses an IPDI macromolecular gel decontaminating agent. The decontaminating agent is prepared from the following components in parts by weight: 35-40 parts of isophorone diisocyanate, 35-40 parts of polyether amine D230 and 20-30 parts of isopropanol. Polyether amine D230 and isophorone diisocyanate are subjected to a chemical reaction, a macromolecular substance generated through the reaction is a gel, a gel skeleton can be generated through the chemical bond effect to wrap methylbenzene, and the generated gel is a non-toxic and pollution-free micromolecular substance and becomes a white solid after being dried. The product disclosed by the invention is high in reaction speed, and a curing effect can be achieved within 2 minutes; the dosage of the decontaminating agent is small, the decontaminating agent can be cured when the content of the decontaminating agent is about 4%, and various parameters of a decontaminating product are optimal when the content is 15%; andthe decontamination product is convenient for subsequent treatment and can be quickly recycled.

Description

technical field [0001] The invention belongs to the technical field of post-processing of chemical dangerous goods leakage, and in particular relates to an IPDI macromolecular gel decontamination agent. Background technique [0002] With the rapid development of my country's modern industry, toluene, as an important chemical raw material, has frequently leaked due to various reasons. Toluene has the characteristics of rapid flow and volatilization, combustion and explosion in case of heat or open fire, and greater toxicity to the surrounding environment and human body. Characteristic, once such hazardous chemicals leak, if the situation cannot be controlled in a short period of time to curb the development, it will cause the surrounding soil and water pollution at light level, and even cause serious consequences such as casualties and even fire and explosion. In dealing with the leakage of such hazardous chemicals, the emergency rescue team often needs to plug the leaking sit...

Claims

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Application Information

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IPC IPC(8): A62D3/33A62D101/20
CPCA62D3/33A62D2101/20
Inventor 卢林刚
Owner 中国人民警察大学
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