CN111388730A

CN111388730A - Chlorine dioxide disinfection card

Info

Publication number: CN111388730A
Application number: CN202010382316.7A
Authority: CN
Inventors: 杨勤英; 刘元柱; 高玉晓; 米明仁; 肖乐义; 李娟�; 刘超; 刘健
Original assignee: Qingdao Peking University New Century Yanding Biomedical Technology Co ltd
Current assignee: Qingdao Peking University New Century Yanding Biomedical Technology Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2020-07-10

Abstract

The invention discloses a chlorine dioxide disinfection card which comprises a hook hole, an inner layer, an outer layer, non-woven fabrics, disinfection card fillers, a chlorine dioxide disinfection card body, air holes and a disinfection card shell, wherein the hook hole is formed in the inner layer; the shell of the disinfection card is provided with air holes, so that chlorine dioxide can be conveniently released in use; the chlorine dioxide disinfection card comprises a chlorine dioxide disinfection card body and is characterized in that hook holes are formed in the upper side of the chlorine dioxide disinfection card body, non-woven fabrics are arranged on the outer sides of disinfection card fillers, an inner layer is arranged on the outer sides of the non-woven fabrics, the non-woven fabrics are wrapped in the inner layer in a seamless mode, the disinfection card has a good sealing effect, and the disinfection card is convenient to carry through the hook holes. According to the invention, chlorite is added into the porous stabilizer and then uniformly mixed into powder, the powder is wrapped by non-woven fabrics in a seamless manner, the aim of slowly releasing and generating chlorine dioxide gas is achieved through the inhibiting effect of the stabilizer, the chlorine dioxide gas which is harmless to human bodies can be stably produced for a long time, and the effects of safety and slow release are achieved.

Description

Chlorine dioxide disinfection card

Technical Field

The invention relates to a chlorine dioxide disinfection card and a preparation and application method thereof, and particularly belongs to the technical field of environment-friendly bactericides.

Background

At present, the safe and effective portable air sterilization and disinfection purifying agent is lacked in the market, so that the sterilization and disinfection of bacteria and viruses in small closed spaces in daily life are greatly limited and inconvenient, and particularly, the improvement effect of the disinfectant on the quality of environmental air is not ideal. Chlorine dioxide is an internationally accepted high-efficiency disinfectant, and a chlorine dioxide slow-release agent can kill all microorganisms including bacterial propagules, bacterial spores, fungi, mycobacteria, viruses and the like because of high bactericidal capacity, and the bacteria cannot generate drug resistance. Chlorine dioxide has strong adsorption and penetration capacity on microbial cell walls, can effectively oxidize enzymes containing sulfydryl in cells, and can quickly inhibit the synthesis of microbial proteins to destroy microbes. No harm to human bodies and animals, no secondary pollution to the environment and the like, and is popular with people. In view of the advantages of chlorine dioxide, especially the excellent effects of removing harmful substances in air and killing bacteria, the chlorine dioxide is nontoxic and harmless to human bodies, and is suitable for being used as air sterilization and disinfection, and is used for sterilization and disinfection in home, office or driving. However, the air sterilization and disinfection purificant commonly used in the market at present has the problems of difficult carrying and danger to human bodies during carrying, and the sterilization effect of disinfection needs to be improved urgently.

Disclosure of Invention

Aiming at the condition that safe and effective portable air sterilization and disinfection purifiers are relatively lack in the current market, the invention aims to provide a disinfection card based on chlorine dioxide and a preparation and application method thereof. The air sterilization and disinfection purifying agent is used for solving the problems that the air sterilization and disinfection purifying agent commonly used in the market at present is difficult to carry, can cause danger to human bodies when being carried, needs to be improved in sterilization technical effect and the like.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention relates to a chlorine dioxide disinfection card, which comprises a hook hole, an inner layer, an outer layer, non-woven fabrics, disinfection card fillers, a chlorine dioxide disinfection card body, air holes and a disinfection card shell.

Preferably, the upper side of the chlorine dioxide disinfection card body is provided with a hook hole, and the chlorine dioxide disinfection card body is provided with disinfection card fillers.

Preferably, the disinfectant card filler comprises chlorite and a stabilizer, wherein the stabilizer is one of kaolin, montmorillonite, diatomite, talc, zeolite, clay and sepiolite, and is preferably clay or sepiolite; the stabilizing agent is porous substance, and the chlorite is preferably sodium chlorite.

Preferably, the disinfection card filler outside is provided with the non-woven fabrics, the non-woven fabrics outside is provided with the inlayer, the seamless parcel non-woven fabrics of inlayer.

Preferably, the non-woven fabrics outside is provided with the disinfection card shell, the disinfection card shell is provided with the bleeder vent, the bleeder vent all is with rectangular array's mode align to grid, the disinfection card shell is made for the aluminium foil material.

Preferably, the outer layer is arranged on the outer side of the air hole and is tightly attached to the outer side of the air hole, and the outer layer is an aluminum foil bag made of packaging materials.

The invention provides a preparation method of a chlorine dioxide disinfection card, wherein chlorite is added into a stabilizer to generate uniform mixed powder, the content of the chlorite in every 5g of the mixed powder is 0.4g-0.48g, and the generation speed of chlorine dioxide gas of a chlorine dioxide slow-release tablet is 10-18 mg/h.

The invention also provides an application method of the chlorine dioxide disinfection card, when the chlorine dioxide disinfection card is used, the chlorine dioxide mixed powder is contacted with air and reacts with carbon dioxide and water in the air to generate chlorine dioxide with a certain concentration, and the concentration range of the chlorine dioxide is 150-175 ppm.

Compared with the prior art, the chlorine dioxide disinfection card has the beneficial effects that:

1. the outer side of the non-woven fabric is provided with the disinfection card shell, the disinfection card shell is provided with the air holes, the air holes can facilitate the release of chlorine dioxide in use, the disinfection card shell is made of aluminum foil materials, and the aluminum foil materials can isolate air and water, so that the influence on products is reduced. The novel chlorine dioxide disinfection card has the advantages that the hook holes are formed in the upper side of the chlorine dioxide disinfection card body, the non-woven fabric is arranged on the outer side of the disinfection card filler, the inner layer is arranged on the outer side of the non-woven fabric, the non-woven fabric is wrapped in the inner layer in a seamless mode, the novel chlorine dioxide disinfection card is good in sealing effect, small and exquisite and simple, and the disinfection card can be conveniently worn through the hook holes;

2. the disinfectant card filler comprises chlorite and a stabilizer, wherein the stabilizer is one of kaolin, montmorillonite, diatomite, talc, zeolite, clay and sepiolite, and is a porous substance, so that the contact reaction of the chlorite and water and carbon dioxide in the air can be slowed down through steric hindrance and a porous structure, the reaction is delayed, the chlorine dioxide is slowly released, the use effect is enhanced, and the use time is prolonged;

3. the product of the invention has obvious sterilization technical effect, can ensure that the generation amount of chlorine dioxide gas is fixed in an effective concentration range, and does not cause harm to human bodies.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:

FIG. 1 is a schematic structural view of a chlorine dioxide disinfectant card according to the present invention;

FIG. 2 is a schematic view of a chlorine dioxide disinfectant card filler according to the present invention;

FIG. 3 is a schematic view of a part of the structure of a chlorine dioxide disinfectant card according to the present invention;

in the figure: 1. a hook hole; 2. air holes are formed; 4. an inner layer; 5. non-woven fabrics; 6. chlorine dioxide disinfection card body; 7. sterilizing the card filling; 8. a stabilizer; 9. a chlorite salt; 13. an outer layer; 14. sterilizing the card housing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-3, the present invention provides the following technical solutions:

the working principle and the using process of the invention are as follows: as shown in fig. 1, the embodiment provides a chlorine dioxide disinfection card, which comprises a hook hole 1, an inner layer 4, an outer layer 13, a non-woven fabric 5, a disinfection card filler 7, a chlorine dioxide disinfection card body 6, an air hole 2, and a disinfection card shell 14.

As shown in fig. 1, the embodiment provides a chlorine dioxide disinfection card, wherein a hook hole 1 is formed on the upper side of a chlorine dioxide disinfection card body 6, and a disinfection card filler 7 is arranged on the chlorine dioxide disinfection card body 6.

As shown in fig. 3, the present embodiment provides a chlorine dioxide disinfectant card, wherein the disinfectant card filler 7 includes chlorite 9 and a stabilizer 8, and the stabilizer 8 is one of kaolin, montmorillonite, diatomaceous earth, talc, zeolite, clay, sepiolite, and preferably clay or sepiolite; the chlorite 9 has the advantages of low cost and simple and convenient production, the stabilizing agent 8 is a porous substance, can slow down the contact reaction of the chlorite 9 and water and carbon dioxide in the air through steric hindrance and a porous structure, plays the roles of delaying the reaction and slowly releasing chlorine dioxide, and the stabilizing agent 8 is in a powder shape and is convenient to be uniformly and fully mixed with the chlorite 9.

As shown in fig. 2, the present embodiment provides a chlorine dioxide disinfection card, a non-woven fabric 5 is disposed outside a disinfection card filler 7, an inner layer 4 is disposed outside the non-woven fabric 5, and the non-woven fabric 5 is seamlessly wrapped by the inner layer 4.

As shown in fig. 1, the embodiment provides a chlorine dioxide disinfection card, a disinfection card shell 14 is arranged on the outer side of a non-woven fabric 5, the disinfection card shell 14 is provided with air holes 2, the air holes 2 are uniformly arranged in a rectangular array mode, the air holes 2 can facilitate the release of chlorine dioxide when in use, the disinfection card shell 14 is made of aluminum foil material, and the aluminum foil material can isolate air and water, so that the influence on the product is reduced.

As shown in fig. 1, the embodiment provides a chlorine dioxide disinfection card, an outer layer 13 is arranged on the outer side of the air vent 2, the outer layer 13 is tightly attached to the outer side of the air vent 2, the outer layer 13 is an aluminum foil bag made of packaging materials, and the aluminum foil bag can isolate the influence of air and water on the product.

When the chlorine dioxide disinfection card is used, the outer layer 13 on the outer side of the air hole 2 is firstly torn open, the air hole is exposed, mixed powder arranged in a disinfection card filler 7 is in contact with carbon dioxide and water in the air to generate chlorine dioxide gas in a sustained release manner within a certain time, a certain chlorine dioxide concentration is maintained, microorganisms can be effectively killed, and the disinfection card is harmless to a human body, is small and compact, and can be conveniently worn through the hook hole 1.

Example 2

Mixing sodium chlorite powder, clay powder and sepiolite powder according to the proportion of 8: 46: 46, then vacuum drying and dehydrating, putting into a non-woven fabric bag, making the disinfection card shell by using aluminum foil paper, punching, and finally packaging by using the aluminum foil bag.

Example 3

Mixing sodium chlorite powder, clay powder and sepiolite powder according to the proportion of 10: 45: 45, then vacuum drying and dehydrating, putting into a non-woven fabric bag, making the disinfection card shell by using aluminum foil paper, punching, and finally packaging by using the aluminum foil bag.

Example 4

Mixing sodium chlorite powder, clay powder and sepiolite powder according to the proportion of 12: 44: 44, then vacuum drying and dehydrating, putting into a non-woven cloth bag, making the disinfection card shell by using aluminum foil paper, punching, and finally packaging by using the aluminum foil bag.

Example 5

The chlorine dioxide emission concentrations of example 2, example 3 and example 4 were measured and the results are shown in the following table:

TABLE 1 chlorite powder addition ratio and chlorine dioxide release concentration results

Elapsed time (sky)	EXAMPLE 2 chlorine dioxide Generation Rate (ppm)	EXAMPLE 3 chlorine dioxide concentration (ppm)	EXAMPLE 4 chlorine dioxide concentration (ppm)
				2	157	169	170
4	160	166	169
				6	166	170	169
8	156	168	171
				10	159	163	166
12	159	165	168
				14	166	166	167
16	158	163	166
				18	151	159	166
20	157	159	164
				22	155	160	165
24	151	158	163
				26	150	155	164
28	152	155	165
				30	149	160	163

As can be seen from the results in Table 1, the chlorine dioxide concentration was maintained at 150-175 ppm during the first 30 days of the test, and the chlorine dioxide gas was released stably and continuously.

Example 6 air Sterilization test

The sterilization experiments were performed simultaneously with the examples and the control group, in which chlorine dioxide disinfectant cards without stabilizers were used as the control group, samples of the disinfectant cards prepared in examples 2 to 4 were placed in the same room in an upright manner, and the concentrations of Escherichia coli and Staphylococcus aureus were measured at a position 0.5m in front of the samples after 48 hours, as shown in Table 2.

TABLE 2 air sterilization test results

	Example 2	Example 3	Example 4	Control group
					48h Escherichia coli clearance (%)	96%	98%	100%	3%
48h Staphylococcus aureus clearance (%)	92%	95%	97%	1%

As can be seen from the test data in Table 2, the clearance rate of the control group to Escherichia coli and Staphylococcus aureus within the range of 0.5m after 48h is very low, and the clearance effect to Escherichia coli and Staphylococcus aureus within the range of 0.5m is not obvious; the clearance rates of escherichia coli and staphylococcus aureus of the disinfection card of the embodiment 2-4 after 48 hours are both over 90%, and the effect is obvious when escherichia coli and staphylococcus aureus within the range of 0.5m are basically cleared.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A chlorine dioxide disinfection card is characterized in that: comprises a hook hole (1), an inner layer (4), an outer layer (13), non-woven fabrics (5), a disinfection card filler (7), a chlorine dioxide disinfection card body (6), an air hole (2) and a disinfection card shell (14); the upper side of the chlorine dioxide disinfection card body (6) is provided with a hook hole (1), and the chlorine dioxide disinfection card body (6) is internally provided with a disinfection card filler (7).

2. A chlorine dioxide disinfectant card as set forth in claim 1, wherein: the disinfectant card filler (7) comprises chlorite (9) and a stabilizer (8), wherein the stabilizer (8) is one of kaolin, montmorillonite, diatomite, talc, zeolite, clay and sepiolite, and is preferably clay or sepiolite; the stabilizer (8) is a porous substance; the chlorite (9) is preferably sodium chlorite.

3. A chlorine dioxide disinfectant card according to claim 2, wherein: the disinfection card is characterized in that a non-woven fabric (5) is arranged on the outer side of the disinfection card filler (7), an inner layer (4) is arranged on the outer side of the non-woven fabric (5), and the non-woven fabric (5) is wrapped in the inner layer (4) in a seamless mode.

4. A chlorine dioxide disinfectant card according to claim 3, wherein: the sterilizing card is characterized in that a sterilizing card shell (14) is arranged on the outer side of the non-woven fabric (5), the sterilizing card shell (14) is made of aluminum foil materials, air holes (2) are formed in the sterilizing card shell (14), and the air holes (2) are uniformly arranged in a rectangular array mode.

5. A chlorine dioxide disinfectant card according to claim 4, wherein: an outer layer (13) is arranged on the outer side of the air hole (2), the outer layer (13) is tightly attached to the outer side of the air hole (2), and the outer layer (13) is an aluminum foil bag made of packaging materials.

6. A chlorine dioxide disinfectant card according to claim 1, wherein said disinfectant card is prepared by the steps of: the chlorite is added into the stabilizer to generate uniform mixed powder, the content of the chlorite in every 5g of the mixed powder is 0.4g to 0.48g, and the generating speed of the chlorine dioxide gas of the chlorine dioxide slow release tablet is 10 mg to 18 mg/h.

7. A chlorine dioxide disinfection card as claimed in claim 6, wherein when in use, the chlorine dioxide mixed powder is contacted with air, and reacts with carbon dioxide and water in the air to generate chlorine dioxide with a certain concentration, and the concentration of the chlorine dioxide is 150-175 ppm.