CN111493089A

CN111493089A - Foam decontaminating agent with excellent foaming performance and preparation method thereof

Info

Publication number: CN111493089A
Application number: CN202010353152.5A
Authority: CN
Inventors: 邸广林; 梁婷; 顾进
Original assignee: Insititute Of Nbc Defence
Current assignee: Insititute Of Nbc Defence
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-08-07
Anticipated expiration: 2040-04-29
Also published as: CN111493089B

Abstract

The invention provides a foam decontaminating agent with excellent foaming performance, which comprises a foaming agent, a foam stabilizer, a catalyst, a solvent, a bactericide and deionized water, wherein the foaming agent adopts sodium dodecyl sulfate, the foam stabilizer adopts sodium dodecyl benzene sulfonate, the bactericide adopts hydrogen peroxide, and the foaming agent accounts for 0.05-0.5% by weight, the foam stabilizer accounts for 0.05-0.5% by weight, the catalyst accounts for 0.5-1% by weight, the bactericide accounts for 20-25% by weight, the solvent accounts for 20-30% by weight and the balance is deionized water. The invention also provides a preparation method of the foam decontaminating agent with excellent foaming performance. The foam decontamination agent obtained by the invention has excellent decontamination effect, excellent decontamination effect in unit time in static decontamination experiment of mustard gas droplets, and excellent foaming and foam stabilizing capability.

Description

Foam decontaminating agent with excellent foaming performance and preparation method thereof

The technical field is as follows:

the invention relates to the technical field of sterilization and disinfection, in particular to a foam decontaminating agent with excellent foaming performance and a preparation method thereof.

Background art:

at present, the urbanization process is accelerated continuously, the urban population is increased day by day, too much urban population brings numerous safety problems to cities, secondly, along with the improvement of living standard of people and the continuous progress of science and technology, society also puts higher requirements on public safety, the potential safety hazards existing in public places are numerous, and the public places have the characteristics of large flow of people and high flowing speed, so that the public safety accidents are difficult to predict in advance before happening, in order to strengthen the emergency response after the accidents happen, most of the first-line cities actively develop the rescue emergency capacity at present, for the rescue emergency work, the efficient elimination of the post-disaster dangerous situations is an important prerequisite for ensuring the rescue effect, and the elimination of the post-disaster dangerous situations generally comprises the elimination of explosion hidden dangers, the clearing of disaster sites, the disinfection of the disaster sites and the like, wherein the decision factors of the first two works are mostly dependent on the professional capacity of rescue team members, the working effect of the disinfection work of the disaster site is directly related to the use of the foam decontamination agent.

In the prior art, the foaming capacity of the foam decontamination agent is worried, the standard required in practical use is difficult to achieve, the main problems are that the foaming volume and the foam duration cannot be balanced, the foam decontamination agent can only be selected or chosen between the foaming volume and the foam duration, the requirement of large-area and long-time decontamination work cannot be met, the inactivation capacity of toxic substances such as mustard gas, bacillus subtilis var niger and the like in a complex environment is poor, the effect of one-time disinfection, namely inactivation, cannot be achieved, and the development of the disaster-stricken site disinfection work is severely limited.

Therefore, there is a need in the art for a foam decontaminant with excellent foaming properties and a method for preparing the same.

The invention is provided in view of the above.

The invention content is as follows:

the invention aims to provide a foam decontaminant with excellent foaming performance and better disinfection and a preparation method thereof, so as to solve at least one technical problem in the prior art.

Specifically, the first aspect of the invention provides a foam decontaminating agent with excellent foaming performance, which comprises a foaming agent, a foam stabilizer, a catalyst, a solvent, a bactericide and deionized water, wherein the foaming agent adopts Sodium Dodecyl Sulfate (SDS), the foam stabilizer adopts Sodium dodecyl benzene sulfonate (L AS), the foaming agent accounts for 0.05-0.5%, the foam stabilizer accounts for 0.05-0.5%, the catalyst accounts for 0.5-1%, the bactericide accounts for 20-25%, the solvent accounts for 20-30%, and the balance is deionized water.

By adopting the scheme, the obtained foam decontamination agent has excellent decontamination effect, and the decontamination effect in unit time is excellent in static decontamination experiment on mustard gas droplets, and the foam decontamination agent obtained by using the method also has excellent foaming and foam stabilizing capabilities, and actual detection data of the two indexes are excellent in experiments on the foaming volume and the foam half-life period of the foam decontamination agent.

Preferably, the mass fraction ratio of the foaming agent to the foam stabilizer is 1: 4-5.

By adopting the scheme, the obtained foam decontaminant has more excellent foaming capacity and foam stabilizing capacity.

Preferably, the catalyst adopts one or two of potassium carbonate and sodium bicarbonate.

Further, the catalyst employs potassium carbonate.

By adopting the scheme, the sterilization efficiency and the quality of the finished product foam decontaminant can be effectively improved, particularly the inactivation capacity of the foam decontaminant on mustard gas and black variant spores of bacillus subtilis is improved, the hydrolysis speed of the foam decontaminant and the mustard gas is accelerated, and the decontamination efficiency is improved.

Preferably, the solvent is one or more of ethanol, ethylene glycol, propylene glycol and propylene carbonate.

Further, the solvent is ethylene glycol.

By adopting the scheme, the foaming capacity and the foam stabilizing capacity of the obtained foam decontaminant can be effectively improved.

Preferably, the germicide is hydrogen peroxide.

By adopting the scheme, the finished product foam decontamination agent has excellent sterilization capability, and meanwhile, the secondary pollution to the object to be sterilized is reduced, and the efficiency and the quality of sterilization work are improved.

Preferably, by weight, the sodium dodecyl sulfate accounts for 0.1%, the sodium dodecyl benzene sulfonate accounts for 0.4%, the potassium carbonate accounts for 0.8%, the hydrogen peroxide accounts for 22%, the ethylene glycol accounts for 25%, and the balance is deionized water.

By adopting the scheme, the foam decontamination agent with optimal foaming, foam stabilizing and sterilizing effects can be obtained.

Preferably, the foam decontamination agent with excellent foaming performance further comprises an auxiliary agent, and the proportion of the auxiliary agent is 0.05% -0.3%.

Further, the auxiliary agent adopts n-dodecylbenzene.

Further, the proportion of n-dodecylbenzene is 0.1%.

By adopting the scheme, the preparation efficiency of the foam decontaminating agent can be effectively improved, the mutual dissolution efficiency of the components of the foam decontaminating agent is improved, and the foaming, foam stabilizing and sterilizing effects of the finished foam decontaminating agent are not influenced.

Specifically, according to a second aspect of the present invention, there is provided a method for preparing a foam decontaminant with excellent foaming performance, the method for preparing the foam decontaminant with excellent foaming performance being used for preparing the foam decontaminant with excellent foaming performance, the method for preparing the foam decontaminant with excellent foaming performance comprising the steps of:

adding a solvent, a bactericide, a catalyst, a foaming agent and a foam stabilizer into deionized water in sequence, adding one component every time, stirring and dissolving uniformly, and then adding the next component.

By adopting the scheme, the preparation efficiency of the foam decontaminating agent can be effectively improved.

Preferably, in the preparation method of the foam decontaminating agent with excellent foaming performance, the temperature is controlled to be 20-28 ℃ when each component is added, and ultrasonic vibration is carried out.

By adopting the scheme, the foam decontamination agent with excellent foaming, foam stabilizing and sterilizing effects can be obtained.

Preferably, the foaming agent accounts for 0.05-0.5%, the foam stabilizer accounts for 0.05-0.5%, the catalyst accounts for 0.5-1%, the bactericide accounts for 20-25%, the solvent accounts for 20-30%, and the balance is deionized water.

Further, the catalyst employs potassium carbonate.

Further, the solvent is ethylene glycol.

Preferably, the germicide is hydrogen peroxide.

Preferably, an auxiliary agent is required to be added in the preparation method of the foam decontaminant with excellent foaming performance, the auxiliary agent is added after the solvent and before the bactericide, and the proportion of the auxiliary agent is 0.05-0.3%.

Further, the auxiliary agent comprises a first agent and a second agent, the auxiliary agent is prepared by mixing the first agent and the second agent, the first agent adopts n-dodecyl benzene, and the second agent adopts polyacrylamide.

Furthermore, the proportion of the n-dodecylbenzene is 0.1%, and the proportion of the polyacrylamide is 0.05%.

In conclusion, the invention has the following beneficial effects:

1. the compound foam decontamination agent with the proportion provided by the invention can effectively improve the disinfection efficiency of mustard gas droplets and bacillus subtilis black variant spores, and improve the working efficiency and the working quality by adopting the foam decontamination agent as a disinfection means;

2. the foam decontamination agent obtained by the invention has excellent foaming and foam stabilizing capabilities, and the actual detection data of the two indexes are excellent in the experiments on the foaming volume and the foam half-life period of the foam decontamination agent.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a line drawing showing the foaming volume of the foam decontaminant with different ratios of the foaming agent and the foam stabilizer of the present invention;

FIG. 2 is a line graph showing the foam half-life of the foam decontaminant with different ratios of the foaming agent and the foam stabilizer.

The specific implementation mode is as follows:

reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

Examples of the experiments

Scheme 1

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps:

1. 1000g of deionized water was added to the reaction vessel.

2. 484.4g of ethylene glycol was added to the vessel, and the temperature in the vessel was controlled to 25 ℃ and stirred uniformly with ultrasonic agitation.

3. 1g of n-dodecylbenzene, 0.5g of polyacrylamide and 10g of deionized water are uniformly mixed, and the mixture is sieved for 3 times by a 20-mesh screen to prepare the auxiliary agent.

4. The prepared adjuvant was added to the vessel.

5. 426.8g of hydrogen peroxide was added to the vessel, and the temperature in the vessel was controlled at 25 ℃ and stirred uniformly by ultrasonic oscillation.

6. 15.5g of potassium carbonate was added to the vessel, and the temperature in the vessel was controlled to 25 ℃ and stirred uniformly with ultrasonic oscillation.

7. 1.9g of sodium dodecyl sulfate was added to the vessel, and the temperature in the vessel was controlled to 25 ℃ and stirred uniformly by ultrasonic oscillation.

8. Adding 1.9g of sodium dodecyl benzene sulfonate into a container, controlling the temperature in the container to be 25 ℃, and uniformly stirring by using ultrasonic oscillation to prepare the foam decontaminating agent.

Scheme 2

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of the scheme is substantially the same as that of the scheme 1, except that equal amount of polyethylene glycol is adopted to replace n-dodecylbenzene in the step 3 of the scheme.

Scheme 3

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of the scheme is substantially the same as that of the scheme 1, except that in the step 3 of the scheme, the same amount of benzyl alcohol is adopted to replace n-dodecylbenzene.

Scheme 4

1. 1000g of deionized water was added to the reaction vessel.

3. 426.8g of hydrogen peroxide was added to the vessel, and the temperature in the vessel was controlled at 25 ℃ and stirred uniformly by ultrasonic oscillation.

4. 15.5g of potassium carbonate was added to the vessel, and the temperature in the vessel was controlled to 25 ℃ and stirred uniformly with ultrasonic oscillation.

5. 1.9g of sodium dodecyl sulfate was added to the vessel, and the temperature in the vessel was controlled to 25 ℃ and stirred uniformly by ultrasonic oscillation.

6. Adding 1.9g of sodium dodecyl benzene sulfonate into a container, controlling the temperature in the container to be 25 ℃, and uniformly stirring by using ultrasonic oscillation to prepare the foam decontaminating agent.

A Ross-miles foam experiment method is adopted, (a Roche foam tester used in the method meets the national standard GB/T13173-2008), the foaming rate, the foaming property and the foam stabilizing property of the foam decontaminant obtained in the scheme 1-4 are detected, and the detection results are shown in the table 1, wherein V is the foaming volume, and T1/2 is the foam half-life period.

TABLE 1 Effect of different component adjuvants on the foaming Rate, foaming Properties and foam stabilizing Properties of the finished foam decontaminants

In the actual use process, the applicant finds that the difference between the actual use dose of the foam decontaminating agent in the complex environment and the calculated rated practical dose is larger, and the actual use dose is often far larger than the calculated rated practical dose, so that the phenomenon not only causes use waste, but also aggravates the cleaning work in the later period.

As shown in Table 1, the auxiliary agent proportion provided by the invention can effectively improve the foaming volume, half-life period and foaming rate of the finished product foam decontaminant, and the n-dodecylbenzene and the polyacrylamide provided by the invention are mixed according to the proportion of 2:1, so that the prepared auxiliary agent can effectively improve the foaming rate of the finished product foam decontaminant, ensure that the foam decontaminant can be quickly foamed to coat an object to be disinfected, and ensure the early inactivation efficiency in practical use.

Therefore, the foam decontaminant obtained by adopting the auxiliary agent provided by the invention has optimal foaming volume, half-life period and foaming rate.

Example 1

1. 1000g of deionized water was added to the reaction vessel.

Example 2

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used in this example is 1.9g and the amount of sodium dodecylbenzenesulfonate used in this example is 3.9 g.

Example 3

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used in this example is 1.9g and the amount of sodium dodecylbenzenesulfonate used in this example is 5.8 g.

Example 4

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used in this example is 1.9g and the amount of sodium dodecylbenzenesulfonate used in this example is 7.8 g.

Example 5

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used in this example is 1.9g and the amount of sodium dodecylbenzenesulfonate used in this example is 9.7 g.

Example 6

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used is 3.9g and the amount of sodium dodecylbenzenesulfonate used is 1.9 g.

Example 7

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used is 3.9g and the amount of sodium dodecylbenzenesulfonate used is 3.9 g.

Example 8

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used is 3.9g and the amount of sodium dodecylbenzenesulfonate used is 5.8 g.

Example 9

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used is 3.9g and the amount of sodium dodecylbenzenesulfonate used is 7.8 g.

Example 10

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used is 3.9g and the amount of sodium dodecylbenzenesulfonate used is 9.7 g.

Example 11

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used in this example is 5.8g and the amount of sodium dodecylbenzenesulfonate used in this example is 1.9 g.

Example 12

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used is 5.8g and the amount of sodium dodecylbenzenesulfonate used is 3.9 g.

Example 13

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used is 5.8g and the amount of sodium dodecylbenzenesulfonate used is 5.8 g.

Example 14

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used is 5.8g and the amount of sodium dodecylbenzenesulfonate used is 7.8 g.

Example 15

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the procedure of this example was substantially the same as in example 1, except that sodium dodecylsulfate was used in an amount of 5.8g and sodium dodecylbenzenesulfonate was used in an amount of 9.7 g.

Example 16

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used in this example is 7.8g and the amount of sodium dodecylbenzenesulfonate used in this example is 1.9 g.

Example 17

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used in this example is 7.8g and the amount of sodium dodecylbenzenesulfonate used in this example is 3.9 g.

Example 18

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used is 7.8g and the amount of sodium dodecylbenzenesulfonate used is 5.8 g.

Example 19

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used is 7.8g and the amount of sodium dodecylbenzenesulfonate used is 7.8 g.

Example 20

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used is 7.8g and the amount of sodium dodecylbenzenesulfonate used is 9.7 g.

Example 21

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used in this example is 9.7g and the amount of sodium dodecylbenzenesulfonate used in this example is 1.9 g.

Example 22

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used in this example is 9.7g and the amount of sodium dodecylbenzenesulfonate used in this example is 3.9 g.

Example 23

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used is 9.7g and the amount of sodium dodecylbenzenesulfonate used is 5.8 g.

Example 24

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used is 9.7g and the amount of sodium dodecylbenzenesulfonate used is 7.8 g.

Example 25

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the preparation process of this example is substantially the same as that of example 1, except that the amount of sodium dodecylsulfate used is 9.7g and the amount of sodium dodecylbenzenesulfonate used is 9.7 g.

The foaming properties and foam stabilizing properties of the foam decontaminants obtained in examples 1 to 25 were measured by a Ross-miles foam test method (the Roche foam tester used in the method conforms to the national standard GB/T13173-2008), and the measurement results are shown in Table 1, FIG. 1 and FIG. 2, wherein V is the foaming volume and T is the foaming volume_1/2Is the foam half-life.

TABLE 2 influence of different proportions of foaming agent and foam stabilizer on foam performance of foam decontaminant

AS shown in table 2, fig. 1 and fig. 2, in the formulation provided by the present invention, when the mass fraction of SDS is 0.1%, the foaming volume increases with the increase of the mass fraction of L AS, when the mass fraction of L AS is 0.5%, the foaming volume is the largest, and when the mass fraction of SDS is 0.5%, the foam half-life increases with the increase of the mass fraction of L AS and then decreases, and it is known that when the mass fraction ratio of SDS and L AS is 1:4-5, the obtained foaming agent has the best foaming ability and foam stabilizing ability, and the applicant speculates that the reason for the above result may be that the sulfo group in L AS is a strong hydrophilic group, so that the anionic group of SDS is exposed in the phase, and a hydrated layer is formed, which can effectively prevent the foam from thinning and breaking, so that the compounded system has strong surface elasticity, and reduces the liquid discharge speed.

Therefore, in the embodiment, the foam decontaminant with excellent foaming performance is prepared by the following components in the ratio: according to the weight, the sodium dodecyl sulfate accounts for 0.1%, the sodium dodecyl benzene sulfonate accounts for 0.4%, the potassium carbonate accounts for 0.8%, the hydrogen peroxide accounts for 22%, the ethylene glycol accounts for 20% -30%, and the balance is deionized water.

Example 26

1. 1000g of deionized water was added to the reaction vessel.

2. 484.4g of ethanol was added to the vessel, and the temperature in the vessel was controlled at 25 ℃ and stirred uniformly by ultrasonic agitation.

6. Adding 7.8g of sodium dodecyl benzene sulfonate into the container, controlling the temperature in the container to be 25 ℃, and uniformly stirring by using ultrasonic oscillation to prepare the foam decontaminating agent.

Example 27

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the procedure in this example was substantially the same as in example 26, except that in this example, an equal amount of ethylene glycol was added in step 2, instead of ethanol.

Example 28

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the procedure in this example was substantially the same as in example 26, except that an equal amount of propylene glycol was added in step 2 instead of ethanol.

Example 29

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the procedure in this example was substantially the same as in example 26, except that an equal amount of propylene carbonate was added in step 26 instead of ethanol.

The foaming properties and foam stabilizing properties of the foam decontaminants obtained in examples 26 to 29 were measured by a Ross-miles foam test method (the Roche foam tester used in the method conforms to the national standard GB/T13173-2008), and the measurement results are shown in Table 2.

TABLE 3 influence of different solvents on the foam behavior of the foam decontaminant

As can be seen from table 3, the different solvents have the effects of propylene carbonate, ethanol, ethylene glycol and propylene glycol in order from large to small on the foam stabilizing performance of the finished foam decontaminant, wherein the foam stability of the foam decontaminant obtained by using ethylene glycol as the solvent is obviously better than that of other solvents, and the different solvents have the effects of propylene carbonate, propylene glycol, ethylene glycol and ethanol in order from large to small on the foam stabilizing foaming performance of the finished foam decontaminant, wherein the solvent with the best foaming performance is ethylene glycol.

Example 30

1. 1000g of deionized water was added to the reaction vessel.

4. The prepared adjuvant was added to the vessel.

Example 31

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the procedure of this example was substantially the same as in example 30, except that n-dodecylbenzene was used in an amount of 1.9g and polyacrylamide was used in an amount of 0.9 g.

Example 32

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the procedure of this example was substantially the same as in example 30, except that n-dodecylbenzene was used in an amount of 3.9g and polyacrylamide was used in an amount of 1.9 g.

Example 33

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the procedure of this example was substantially the same as in example 30, except that n-dodecylbenzene was used in an amount of 5.8g and polyacrylamide was used in an amount of 2.9 g.

Example 34

The preparation of the foam decontaminating agent with excellent foaming performance comprises the following steps: the procedure of this example was substantially the same as in example 30, except that n-dodecylbenzene was used in an amount of 7.8g and polyacrylamide was used in an amount of 3.9 g.

The foaming property and the foam stabilizing property of the foam decontaminant obtained in the embodiment 30-34 are detected by adopting a Ross-miles foam experiment method (a Roche foam tester used in the method conforms to the national standard GB/T13173-2008), the sterilizing effect of the foam decontaminant obtained in the embodiment 30-34 is detected by adopting a bacteria quantitative carrier soaking sterilization method, and the concrete implementation process of the bacteria quantitative carrier soaking sterilization method is as follows: soaking bacillus subtilis black variant bacillus sheets in a buffer solution to vibrate to form a suspension liquid, adding prepared foam decontaminants with different components into the suspension liquid for sterilization, using a neutralizing agent to stop reaction, taking a certain amount of the suspension liquid after the termination to inoculate into a culture dish, placing the culture dish in a 37 ℃ culture box for culture for 12 hours, counting viable bacteria, and judging the decontamination effect according to the number of bacterial colonies. The results are shown in Table 4.

TABLE 4 Effect of different ratios of adjuvants on the performance of foam decontaminants

Examples	Foaming volume/cm 3	Half life/min	Rate of sterilization
				30	430	6.9	99.33％
31	430	7.2	99.48％
				32	430	7.0	99.39％
33	430	6.8	98.86％
				34	410	5.2	95.73％

As can be seen from table 4, when the content of other components is unchanged, and the mass ratio of n-dodecylbenzene in the adjuvant is 0.05% to 0.3%, and the mass ratio of polyacrylamide is increased within the range of 0.025% to 0.15%, the foaming volume, the foam half-life period, and the sterilization rate of the obtained foam decontaminant are increased and then decreased, and when the mass ratio of n-dodecylbenzene in the adjuvant is 0.1%, and the mass ratio of polyacrylamide is 0.05%, the obtained foam decontaminant has the optimal foaming volume, foam half-life period, and sterilization rate, but when the mass ratio of n-dodecylbenzene in the adjuvant exceeds 0.3%, and the mass ratio of polyacrylamide is 0.15%, the foaming volume, the foam half-life period, and the sterilization rate of the foam decontaminant are all significantly decreased.

Compared with other mixture ratios, the mass percentage of the n-dodecylbenzene in the auxiliary agent is 0.05-0.3%, and the mass percentage of the polyacrylamide is in the range of 0.025-0.15%, so that the foam decontaminant has better foam decontamination property, and further, when the mass percentage of the auxiliary agent is 0.1%, and the mass percentage of the polyacrylamide is 0.05%, the obtained foam decontamination agent has optimal foam volume, foam half-life period and sterilization rate.

Therefore, in the embodiment, the foam decontaminant with excellent foaming performance is prepared by the following components in the ratio: according to the weight, the sodium dodecyl sulfate accounts for 0.1%, the sodium dodecyl benzene sulfonate accounts for 0.4%, the potassium carbonate accounts for 0.8%, the hydrogen peroxide accounts for 22%, the ethylene glycol accounts for 20% -30%, the n-dodecyl benzene accounts for 0.1%, the polyacrylamide accounts for 0.05%, and the balance of deionized water.

In conclusion, the compound foam decontamination agent with the proportion provided by the invention can effectively improve the disinfection efficiency of mustard gas droplets and bacillus subtilis var niger spores, and improve the working efficiency and the working quality of adopting the foam decontamination agent as a disinfection means; the foam decontamination agent obtained by the invention has excellent foaming and foam stabilizing capabilities, and the actual detection data of the two indexes are excellent in the experiments on the foaming volume and the foam half-life period of the foam decontamination agent.

It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

1. A foam decontaminating agent with excellent foaming performance is characterized in that: the foam decontamination agent with excellent foaming performance comprises a foaming agent, a foam stabilizer, a catalyst, a solvent, a bactericide and deionized water, wherein the foaming agent adopts sodium dodecyl sulfate, the foam stabilizer adopts sodium dodecyl benzene sulfonate, and according to the weight, the ratio of the foaming agent is 0.05-0.5%, the ratio of the foam stabilizer is 0.05-0.5%, the ratio of the catalyst is 0.5-1%, the ratio of the bactericide is 20-25%, the ratio of the solvent is 20-30%, and the balance is deionized water.

2. The foam decontaminant excellent in foaming property according to claim 1, wherein: the mass fraction ratio of the foaming agent to the foam stabilizer is 1: 4-5.

3. The foam decontaminant excellent in foaming property according to claim 2, wherein: the catalyst adopts one or two of potassium carbonate and sodium bicarbonate.

4. The foam decontaminant excellent in foaming property according to claim 3, wherein: the catalyst adopts potassium carbonate.

5. The foam decontaminant excellent in foaming property according to claim 3, wherein: the solvent is one or more of ethanol, ethylene glycol, propylene glycol and propylene carbonate.

6. The foam decontaminant excellent in foaming property according to claim 5, wherein: the solvent is ethylene glycol.

7. The foam decontaminant excellent in foaming property according to claim 6, wherein: the bactericide is hydrogen peroxide.

8. The foam decontaminant excellent in foaming property according to any one of claims 5 to 7, wherein: according to the weight, the sodium dodecyl sulfate accounts for 0.1%, the sodium dodecyl benzene sulfonate accounts for 0.4%, the potassium carbonate accounts for 0.8%, the hydrogen peroxide accounts for 22%, the ethylene glycol accounts for 20% -30%, and the balance is deionized water.

9. A preparation method of a foam decontaminating agent with excellent foaming performance is characterized in that: the preparation method of the foam decontaminant with excellent foaming performance is used for preparing the foam decontaminant with excellent foaming performance as claimed in any one of claims 1 to 8, and the preparation method of the foam decontaminant with excellent foaming performance comprises the following steps:

10. The method for preparing a foam decontaminant excellent in foaming property according to claim 9, characterized in that: in the preparation method of the foam decontaminating agent with excellent foaming performance, the temperature is controlled to be 20-28 ℃ when one component is added, and ultrasonic oscillation is carried out.