CN107049815B - Environment-friendly decontamination agent for personnel and preparation method thereof - Google Patents

Environment-friendly decontamination agent for personnel and preparation method thereof Download PDF

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CN107049815B
CN107049815B CN201610333116.6A CN201610333116A CN107049815B CN 107049815 B CN107049815 B CN 107049815B CN 201610333116 A CN201610333116 A CN 201610333116A CN 107049815 B CN107049815 B CN 107049815B
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decontamination
amphoteric surfactant
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decontamination agent
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CN107049815A (en
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卢林刚
邵高耸
王会娅
毕波
王毅欣
刘鲁楠
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Chinese Peoples Armed Police Force Academy
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/20—Halogens; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/24—Phosphorous; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/005—Antimicrobial preparations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A61Q19/10—Washing or bathing preparations

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Abstract

The invention discloses a decontamination agent for green and environment-friendly personnel, which comprises the following substances in percentage by mass: novel betaine amphoteric surfactant: 0.05-2%; sodium chloride: 0.5-5%; sodium bicarbonate: 0.05-2%; sodium borate buffer or phosphate buffer: 1-10%; the balance of water. The decontamination agent for green and environment-friendly personnel is prepared by compounding raw materials, has a good decontamination effect, is an amphoteric chelating substance with a pH value of 7.6 +/-0.2, is alkalescent, and has water solubility and high permeability.

Description

Environment-friendly decontamination agent for personnel and preparation method thereof
Technical Field
The invention relates to the field of fire safety, in particular to a green environment-friendly personnel decontamination agent and a preparation method thereof.
Background
The most common decontaminant for human skin in hazardous chemical accidents is water, which is abundant in water resources, readily available, and has the same effect on all invasive items. Water is used as a skin sanitizer mainly by utilizing the dilution effect and mechanical effect, wherein the mechanical effect of washing on the skin surface is the main effect, the concentration of chemical substances is exponentially reduced, the time is short, substances on the skin surface are washed away to the maximum extent, and the dilution effect plays a small part, but the dilution effect exists all the time when the skin sanitizer is used by water. The water can reduce the concentration of chemicals and reduce the penetration and damage to the skin; the pollution is dispersed by the impact force of water.
Water is the most widely used skin sanitizer, but it has many limitations in itself: water is a strong polar molecule, and has poor dissolving effect on non-polar or low-polar pollutants according to the principle of similarity and intermiscibility; the high-concentration solution has certain limitation on decontamination, and because the high-concentration solution has high permeation speed and can quickly generate chemical reaction with molecules on the skin to enter the skin, the washing effect of water is not as fast as the permeation speed of the solution, so that certain danger of chemical burn exists and subsequent treatment is needed; the requirement on time is high when the water is used for decontamination, and the water is used for rinsing within 10s after an accident happens as much as possible, because the permeation of chemical agents to the skin is caused due to overlong response time, the rinsing time cannot be less than 15min, and the decontamination cannot be well achieved due to overlong decontamination time, but in some plateau or low-temperature environments, low-temperature symptoms can be induced due to overlong decontamination time; when water contacts with some chemical substances, a large amount of heat can be released, such as concentrated acid and concentrated alkali, so that the permeation of toxic substances into the human body is accelerated, and the corrosion of the toxic substances to the human body is accelerated; when eyes are washed and disinfected by water, the water consumption is larger, and the washing and disinfecting time is longer, but the washing and disinfecting effect is not ideal.
At present, some fire-fighting central teams are equipped with the enemy rotten troops skin decontaminant, but corresponding data support is lacked for the safety performance and the decontamination effect of the enemy rotten troops, and the enemy rotten troops are expensive and only equipped in a small quantity of fire-fighting base courses, so that the problem of research and development of the efficient, green, safe and broad-spectrum skin decontaminant is urgently needed to be solved.
Disclosure of Invention
The invention aims to provide an efficient, green, safe and broad-spectrum environment-friendly decontamination agent for personnel and a preparation method thereof.
The decontamination agent for green and environment-friendly personnel comprises the following substances in percentage by mass:
betaine amphoteric surfactant: 0.05-2%;
sodium chloride: 0.5-5%;
sodium bicarbonate: 0.05-2%;
sodium borate buffer or phosphate buffer: 1-10%;
the balance of water.
The invention relates to a decontamination agent for green and environment-friendly personnel, wherein the general formula of a betaine amphoteric surfactant is as follows: cxH2x+1—N+(CH3)2—(CH2)m—NH-(CH2)n—CO2 -(ii) a Wherein the value ranges of x, m and n are all between 1-50.
The invention relates to a decontamination agent for green and environment-friendly personnel, which comprises the following substances in percentage by mass:
betaine amphoteric surfactant: 0.1 percent;
sodium chloride: 1.5 percent;
sodium bicarbonate: 0.35 percent;
sodium borate buffer or phosphate buffer: 1.82 percent;
the balance of water;
wherein the betaine amphoteric surfactant is C12H25—N+(CH3)2—(CH2)3—NH-(CH2)3—CO2 -。
The decontamination agent for green and environment-friendly personnel comprises the following substances in percentage by mass:
betaine amphoteric surfactant: 0.5 percent;
sodium chloride: 2 percent;
sodium bicarbonate: 1 percent;
sodium borate buffer or phosphate buffer: 2 percent;
the balance of water;
wherein the betaine amphoteric surfactant is C18H37—N+(CH3)2—(CH2)6—NH-(CH2)6—CO2 -。
The preparation method of the decontamination agent for green and environment-friendly personnel comprises the following steps:
preparing the raw materials according to the proportion, adding the betaine amphoteric surfactant and sodium chloride into distilled water at room temperature to form a solution, stirring until the solution is completely dissolved, heating the stirred solution to 80 ℃, adding sodium bicarbonate into the solution, stirring until the solution is completely dissolved, cooling to room temperature, adding a sodium borate buffer solution or a phosphate buffer solution, and finally sterilizing the solution to obtain the product.
The preparation method of the decontamination agent for green and environment-friendly personnel, disclosed by the invention, comprises the following steps of:
(1) under the condition of room temperature, the general formula is (CH)3)2-N-(CH2)m-NH2The first raw material and the general formula of2＝CH-(CH2)n-CO2CH3The second raw material is mixed and stirred for 2 hours, and then methanol is removed to obtain a colorless transparent liquid material with the general formula of (CH)3)2-N-(CH2)m-NH(CH2)2-(CH2)n-CO2CH3；
(2) The colorless transparent liquid material was mixed with ethyl acetate and stirred, and slowly dropped (t-Boc) under stirring2O, reacting at room temperature for 1h after the dripping is finished; removing solvent and excessive raw materials to obtain viscous liquid material with general formula of (CH)3)2-N-(CH2)m-N[CO2C(CH3)2]-(CH2)2-(CH2)n-CO2CH3；
(3) The viscous liquid substance, ethyl acetate and C were added in sequence to a reaction flaskxH2x+1Br, reflux reaction is carried out for 30h under the stirring condition, and petroleum ether is used for washing to remove excessive brominated alkanes to obtain a mixed solution;
(4) adding ethanol and concentrated hydrochloric acid into the mixed solution, stirring for reaction for 2h, hydrolyzing to remove a protective group, adjusting the pH value of the solution to 7 by using 10% sodium hydroxide solution, and adding 10% sodium hydroxide solution for refluxing for 3 h; and cooling, adding sodium bicarbonate, drying the reaction solution, filtering with a hot ethanol solution to remove salt, removing the solvent from the filtrate, and washing with petroleum ether to obtain the betaine amphoteric surfactant.
The use method of the decontamination agent for green and environment-friendly personnel comprises the following steps: the decontamination agent for the green environmental protection personnel is an article for emergency decontamination treatment, when a dangerous chemical accident occurs, the decontamination agent for the green environmental protection personnel is prepared, when the decontamination agent is used, the decontamination agent is directly aimed at an injured part for decontamination, the decontamination time is not less than 0.5min, the decontamination time can be prolonged seriously, and after the decontamination agent is cleaned by water, the decontamination agent is further sent to a doctor.
The invention discloses a decontamination agent for green and environment-friendly personnel, which is different from the prior art in that: the decontamination agent for green and environment-friendly personnel is prepared by compounding the raw materials, and has the advantages of high efficiency, greenness, safety and broad spectrum. The environment-friendly personal decontamination agent is an amphoteric chelating substance, has the pH value of 7.6 +/-0.2, is alkalescent, and has water solubility and high permeability. The existing decontaminating agent is mainly French dichlormate, the component of the decontaminating agent is dichlormate molecules, and the decontaminating efficiency of the decontaminating agent on dangerous chemicals such as strong acid, strong base and the like is not as good as that of a product specification. The invention uses the components of betaine amphoteric surfactant, sodium chloride, buffer solution and the like, has water solubility and high permeability, and has very good decontamination effect on dangerous chemicals such as strong acid, alkali, weak acid, weak alkali and the like through comparison tests. In addition, the animals in vivo discover that the decontamination agent has lower toxicity than foreign products, namely dichlorfluanid, and hazardous chemical products can be better repaired after decontamination.
The preparation method of the decontamination agent for green and environment-friendly personnel is simple and convenient and is easy to operate.
The following will further explain the decontamination agent for green environmental protection personnel and the preparation method thereof by combining the specific embodiment and the attached drawings.
Drawings
FIG. 1 is a graph showing the relationship between pH and the amount of HCl used in decontamination by a decontaminant for green and environment-friendly personnel;
FIG. 2 is a graph showing the relationship between the pH and the amount of NaOH used in the decontamination of the decontaminant for green and environment-friendly personnel in accordance with the present invention;
FIG. 3 is a schematic diagram showing the survival rate of bacteria in soil in an experiment of the effect of the decontaminant for green and environment-friendly personnel on the bacteria in soil;
FIG. 4 is a graph showing the relationship between pH and dosage of dichlorfluanid when the dichlorfluanid decontaminates HCl in a decontamination comparison experiment of the decontaminating agent and dichlorfluanid for green and environment-friendly personnel of the invention.
Detailed Description
Example 1
The decontamination agent for green and environment-friendly personnel comprises the following substances in percentage by mass:
betaine amphoteric surfactant: 0.05 percent;
sodium chloride: 5 percent;
sodium bicarbonate: 0.05 percent;
sodium borate buffer or phosphate buffer: 10 percent;
the balance of water, wherein the betaine amphoteric surfactant has a general formula: cxH2x+1—N+(CH3)2—(CH2)m—NH-(CH2)n—CO2 -And the value ranges of x, m and n are all between 1 and 50.
Example 2
The decontamination agent for green and environment-friendly personnel comprises the following substances in percentage by mass:
betaine amphoteric surfactant: 2 percent;
sodium chloride: 0.5 percent;
sodium bicarbonate: 2 percent;
sodium borate buffer or phosphate buffer: 1 percent;
the balance of water; wherein the general formula of the betaine amphoteric surfactant is as follows: cxH2x+1—N+(CH3)2—(CH2)m—NH-(CH2)n—CO2 -(ii) a Wherein the value ranges of x, m and n are all between 1-50.
Example 3
The decontamination agent for green and environment-friendly personnel comprises the following substances in percentage by mass:
betaine amphoteric surfactant: 0.1 percent;
sodium chloride: 1.5 percent;
sodium bicarbonate: 0.35 percent;
sodium borate buffer or phosphate buffer: 1.82 percent;
the balance of water;
wherein the betaine amphoteric surfactant is C12H25—N+(CH3)2—(CH2)3—NH-(CH2)3—CO2 -。
Example 4
The decontamination agent for green and environment-friendly personnel comprises the following substances in percentage by mass:
betaine amphoteric surfactant: 0.5 percent;
sodium chloride: 2 percent;
sodium bicarbonate: 1 percent;
sodium borate buffer or phosphate buffer: 2 percent;
the balance of water;
wherein the betaine amphoteric surfactant is C18H37—N+(CH3)2—(CH2)6—NH-(CH2)6—CO2 -。
Example 5
The preparation method of the decontamination agent for green and environment-friendly personnel comprises the following steps:
preparing the raw materials according to a ratio, adding a betaine amphoteric surfactant and sodium chloride into distilled water at room temperature to form a solution, stirring until the solution is completely dissolved, heating the stirred solution to 40-80 ℃, adding sodium bicarbonate into the solution, stirring until the solution is completely dissolved, cooling to room temperature, adding a sodium borate buffer solution or a phosphate buffer solution, and finally sterilizing the solution to obtain the product.
The preparation method of the betaine amphoteric surfactant comprises the following steps (adding the amount of substances, and adding the substances according to the mole number of a chemical reaction equation):
(1) under the condition of room temperature, the general formula is (CH)3)2-N-(CH2)m-NH2The first raw material and the general formula of2＝CH-(CH2)n-CO2CH3The second raw material is mixed and stirred for 2 hours, and then methanol is removed to obtain a colorless transparent liquid material with the general formula of (CH)3)2-N-(CH2)m-NH(CH2)2-(CH2)n-CO2CH3；
(2) The colorless transparent liquid material was mixed with ethyl acetate and stirred, and slowly dropped (t-Boc) under stirring2O, reacting at room temperature for 1h after the dripping is finished; removing solvent and excessive raw materials to obtain viscous liquid material with general formula of (CH)3)2-N-(CH2)m-N[CO2C(CH3)2]-(CH2)2-(CH2)n-CO2CH3；
(3) The viscous liquid substance, ethyl acetate and C were added in sequence to a reaction flaskxH2x+1Br, reflux reaction is carried out for 30h under the stirring condition, and petroleum ether is used for washing to remove excessive brominated alkanes to obtain a mixed solution;
(4) adding ethanol and concentrated hydrochloric acid into the mixed solution, stirring for reaction for 2h, hydrolyzing to remove a protective group, adjusting the pH value of the solution to 7 by using 10% sodium hydroxide solution, and adding 10% sodium hydroxide solution for refluxing for 3 h; and cooling, adding sodium bicarbonate, drying the reaction solution, filtering with a hot ethanol solution to remove salt, removing the solvent from the filtrate, and washing with petroleum ether to obtain the betaine amphoteric surfactant.
Example 6
A cleaning agent for green and environment-friendly personnel comprises betaine amphoteric surfactant (general formula C) 1.00g per 1000m L solution12H25—N+(CH3)2—(CH2)3—NH-(CH2)3—CO2 -)、15.00gSodium chloride, 3.50g of sodium bicarbonate and 18.20g of sodium borate buffer solution or phosphate buffer solution, weighing the substances, adding betaine amphoteric surfactant and sodium chloride into distilled water at room temperature, stirring until the substances are completely dissolved, heating the solution to 80 ℃, adding sodium bicarbonate, stirring uniformly until the substances are completely dissolved, cooling the solution to room temperature, adding the sodium borate buffer solution or phosphate buffer solution, and finally sterilizing the solution to obtain the product.
Example 7
A decontaminant for people in environment protection comprises 1000m L solution containing betaine amphoteric surfactant 5.00g and having general formula C18H37—N+(CH3)2—(CH2)6—NH-(CH2)6—CO2 -Weighing each substance, adding betaine amphoteric surfactant and sodium chloride into distilled water at room temperature, stirring until the substances are completely dissolved, heating the solution to 60 ℃, adding sodium bicarbonate, stirring until the substances are completely dissolved, cooling the solution to room temperature, adding sodium borate buffer solution or phosphate buffer solution, and finally sterilizing the solution to obtain the product.
The decontamination agent of the invention is an article for emergency decontamination disposal. When dangerous chemical accidents occur, the formula provided by the invention is prepared into a decontamination agent, the decontamination agent is directly aimed at the injured part for decontamination, the decontamination time can be prolonged when the decontamination is not less than 0.5min, and after the decontamination, the patient is cleaned by water and then is sent to the doctor.
The relationship between the dosage of the decontamination agent for green and environment-friendly personnel and the pH value of the solution is as follows:
preparing 0.1 mol/L HCl solution and 0.2 mol/L NaOH solution, adding 3m L into a beaker, placing the beaker on a magnetic stirrer, stirring, inserting a pH meter into the magnetic stirrer, ensuring that a probe is below the liquid level, dropwise adding the decontaminant for green environmental protection personnel into the beaker until the pH value reaches a range acceptable by a human body, recording the consumption of different decontaminants at the moment, and making a relation graph between the consumption of the decontaminant and the pH value of the solution, wherein the relation graphs are shown in figures 1 and 2.
Experiment of influence of decontamination agent of green environmental protection personnel on soil bacteria:
taking 5.00g of soil, removing visible organic residues, grinding, adding 45.00m L distilled water, oscillating to uniformly disperse a soil sample in water to obtain original soil, standing, taking 5.00m L supernatant to prepare 10 times of diluent, taking 5.00m L supernatant in the diluent to prepare 100 times of diluent, taking 3 colony test pieces, uniformly dripping 1.00m L supernatant of the 10 times of the diluent on the test piece, standing for 10s, covering the upper film of the colony test piece, filling the test piece into a plastic package bag, putting the test piece into a 37 ℃ thermostat for 24h, taking out the test piece after the incubation is finished, recording the number of colonies in the test piece, wherein the survival rate of bacteria in the soil is shown in figure 3.
Fig. 1 and fig. 2 show that the personnel washing energy dissipation of the invention can rapidly reduce dangerous chemicals such as acid, alkali and the like to an acceptable proper pH level, namely a safe value range, and the washing and dissipating efficiency is high. From the two graphs in fig. 3, the comparison of the disinfectant of the invention and the poison of the foreign product, namely dichlorfluanid can be seen, and the data of the survival rate of the number of bacteria in the soil show that the disinfectant of the invention is a low-degree product for the environment.
The comparative experiment of the decontamination performance of the decontamination agent for green and environment-friendly personnel and the dichlofluanid comprises the following steps:
comparison of decontamination efficiency against HCl solution:
the different hydrochloric acid effects of the prepared personnel decontamination agent for decontamination and the dichlorfluthrin for decontamination are compared, fig. 4 is a relation graph of pH and dosage when the dichlorfluthrin is used for decontaminating HCl, and the data of fig. 1 and fig. 4 are compared.
The pH value of the solution changes slightly with the increase of the dosage of the decontaminating agent, under the condition of lower concentration, the change of the pH value obviously increases exponentially with the increase of the dosage of the decontaminating agent, and when the concentration of the solution becomes higher, the pH value shows a linear relation with the change of the dosage of the decontaminating agent; in the whole decontamination stage of hydrochloric acid with different concentrations, the personnel decontamination agent prepared by the method increases the pH value of the solution in an approximately exponential mode, and has high decontamination speed and high decontamination efficiency. The comparison shows that when the solution is decontaminated to a pH value within a range acceptable to human bodies, the dosage of the disinfectant is less than that of the dichlofluanid, and the dosage advantage is obvious along with the increase of the concentration. Therefore, the prepared personnel decontamination agent has higher decontamination efficiency than dichlorfluanid for the decontamination of HCl.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.

Claims (6)

1. A decontamination agent for green and environment-friendly personnel is characterized in that: the material consists of the following substances in percentage by mass:
betaine amphoteric surfactant: 0.05-2%;
sodium chloride: 0.5-5%;
sodium bicarbonate: 0.05-2%;
sodium borate buffer or phosphate buffer: 1-10%;
the balance of water;
the betaine amphoteric surfactant is C12H25—N+(CH3)2—(CH2)3—NH-(CH2)3—CO2 -Or C18H37—N+(CH3)2—(CH2)6—NH-(CH2)6—CO2 -。
2. The decontamination agent for green environmental protection personnel as claimed in claim 1, wherein: the material consists of the following substances in percentage by mass:
betaine amphoteric surfactant: 0.1 percent;
sodium chloride: 1.5 percent;
sodium bicarbonate: 0.35 percent;
sodium borate buffer or phosphate buffer: 1.82 percent;
the balance of water;
wherein the betaine amphoteric surfactant is C12H25—N+(CH3)2—(CH2)3—NH-(CH2)3—CO2 -。
3. The decontamination agent for green environmental protection personnel as claimed in claim 1, wherein: the material consists of the following substances in percentage by mass:
betaine amphoteric surfactant: 0.5 percent;
sodium chloride: 2 percent;
sodium bicarbonate: 1 percent;
sodium borate buffer or phosphate buffer: 2 percent;
the balance of water;
wherein the betaine amphoteric surfactant is C18H37—N+(CH3)2—(CH2)6—NH-(CH2)6—CO2 -。
4. The method for preparing the decontaminant for green environmental protection personnel as claimed in claim 1, which is characterized in that: the method comprises the following steps:
preparing the raw materials according to a ratio, adding a betaine amphoteric surfactant and sodium chloride into distilled water at room temperature to form a solution, stirring until the solution is completely dissolved, heating the stirred solution to 40-80 ℃, adding sodium bicarbonate into the solution, stirring until the solution is completely dissolved, cooling to room temperature, adding a sodium borate buffer solution or a phosphate buffer solution, and finally sterilizing the solution to obtain the product.
5. The method for preparing the decontaminant for green environmental protection personnel as claimed in claim 4, wherein the method comprises the following steps: the preparation method of the betaine amphoteric surfactant comprises the following steps:
(1) under the condition of room temperature, the general formula is (CH)3)2-N-(CH2)m-NH2Raw materials one andgeneral formula is CH2=CH-(CH2)n-CO2CH3The second raw material is mixed and stirred for 2 hours, and then methanol is removed to obtain a colorless transparent liquid material with the general formula of (CH)3)2-N-(CH2)m-NH(CH2)2-(CH2)n-CO2CH3；
(2) The colorless transparent liquid material was mixed with ethyl acetate and stirred, and slowly dropped (t-Boc) under stirring2O, reacting at room temperature for 1h after the dripping is finished; removing solvent and excessive raw materials to obtain viscous liquid material with general formula of (CH)3)2-N-(CH2)m-N[CO2C(CH3)2]-(CH2)2-(CH2)n-CO2CH3；
(3) The viscous liquid substance, ethyl acetate and C were added in sequence to a reaction flaskxH2x+1Br, reflux reaction is carried out for 30h under the stirring condition, and petroleum ether is used for washing to remove excessive brominated alkanes to obtain a mixed solution;
(4) adding ethanol and concentrated hydrochloric acid into the mixed solution, stirring for reaction for 2h, hydrolyzing to remove a protective group, adjusting the pH value of the solution to 7 by using 10% sodium hydroxide solution, and adding 10% sodium hydroxide solution for refluxing for 3 h; cooling, adding sodium bicarbonate, drying the reaction solution, filtering with hot ethanol solution to remove salt, removing the solvent from the filtrate, and washing with petroleum ether to obtain the betaine amphoteric surfactant;
wherein m is 3, n is 3, and x is 12; alternatively, m is 6, n is 6, and x is 18.
6. A method of use of the green and environmentally friendly personal decontaminant of any one of claims 1 to 3 for non-therapeutic purposes, comprising the steps of: the decontamination agent for the green environmental protection personnel is an article for emergency decontamination treatment, when a dangerous chemical accident occurs, the decontamination agent for the green environmental protection personnel is prepared, when the decontamination agent is used, the decontamination agent is directly aimed at an injured part for decontamination, the decontamination time is not less than 0.5min, the decontamination time can be prolonged seriously, and after the decontamination agent is cleaned by water, the decontamination agent is further sent to a doctor.
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