JPH02243159A - Method and treatment tool for forming layer of antibacterial agent - Google Patents

Abstract

PURPOSE:To obtain an antibacterial agent layer from which no fine antibacterial agent particles fall out by forming a mixture of the antibacterial agent and a binder into a specified shape and then by rubbing its surface with a treatment tool of a higher hardness than the binder so as to expose the antibacterial agent. CONSTITUTION:An antibacterial agent film 6 is formed on the upper face of a hair receiver pan 5 of a rotary electric shaver, and the said antibacterial agent film 6 is composed of fine zeolite particles 7, whereon such a metal ion having a antibacterial action as an ion of silver, copper or zinc is supported by an ion exchange reaction, and a binder 8. A layer of binder 8 sticks the zeolite particles 7 together with each other and with the hair receiver pan 5, in a state after a mixture of the zeolite particles 7 and a solution of the binder resin 8 has been applied to the surface of the hair receiver pan 5 and dried. Therefore, in order to remove the surface layer of the binder 8, a treatment tool 9 is used, which partly exposes the zeolite particles 7 by slightly rubbing the surface of the antibacterial agent film 6 with a elastic part 12 a higher hardness than the binder 8 so as to remove a resin film. It is possible, as a result, to obtain an antibacterial agent layer from which no antibacterial agent particles fall out.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a method for forming an antibacterial agent layer formed in the form of a film or a molded body, and a treatment tool, and relates to a method for forming an antibacterial agent layer formed in the form of a film or a molded body, and a treatment tool, for example, The present invention relates to a method for forming an antibacterial agent layer consisting of zeolite a particles and a binder, and a processing tool.

[Conventional technology]

Conventionally, in order to prevent contamination, deterioration, and putrefaction caused by bacteria such as Escherichia coli, bacterial fungi, and yeast, a method has been used to form antibacterial films at necessary locations.

As a method for forming this antibacterial coating, for example, zeolite a particles carrying metal ions having an antibacterial effect are mixed with a binder resin solution, and this is applied to the required areas and dried to form an antibacterial coating.

FIG. 12 is an enlarged cross-sectional view of the antibacterial coating formed in this way. In the figure, 51 is a base material, 52 is a zeolite fine particle carrying metal ions having an antibacterial effect by ion exchange, and 53 is a binder resin. .

[Problem to be solved by the invention]

By the way, in the antibacterial agent coating formed in this way, as shown in the same figure, zeolite fine particles 52 are bonded to binder resin 5.
The surface of the zeolite 1itt particles 52 is covered with a resin film.

Therefore, the antibacterial effect is not fully exerted, and the antibacterial agent is used inefficiently.

In order to solve this problem, it is conceivable to make the resin concentration in the binder solution extremely low. An enlarged cross-sectional view of the antibacterial agent coating formed in this way is shown in FIG. 13, and as shown in the figure, the film thickness of the binder resin 53 is extremely thin, and therefore the binding force of the zeolite 1itt 52 is weak, and the zeolite a particles 52 However, it has disadvantages such as falling off from the base material 51.

The purpose of the present invention is to eliminate such drawbacks of the prior art,
It is an object of the present invention to provide a method for forming an antibacterial agent layer that is highly efficient in using an antibacterial agent (in addition, antibacterial agent particles do not fall off), and a processing tool.

[Means to solve the problem]

In order to achieve the above-mentioned object, the present invention provides a mixture of a binder and an antibacterial agent made of zeolite supporting metals such as silver, copper, and zinc, which have antibacterial properties, into a predetermined form such as a film or a molded body. After forming into a shape, the surface is rubbed with a processing tool that is harder than the binder to expose the antibacterial agent.

In order to achieve the above-mentioned object, the present invention is further characterized in that it has a resin film removal section made of an elastic material mixed with abrasive grains, etc., which is harder than the binder for forming the antibacterial agent layer. It is something.

[Effect]

Since the present invention is configured as described above, even if a predetermined amount of binder is used, the exposed area of the antibacterial agent is increased by post-treatment, and as a result, an excellent antibacterial effect can be exhibited for a long period of time.

In addition, by using a processing tool equipped with a resin film removal section made of an elastic material containing abrasive grains that is harder than the binder, it is possible to remove dust and dirt that are attached to the resin film covering the antibacterial agent or the surface. Oils can be effectively removed and antibacterial effects can be sufficiently exhibited over a long period of time.

〔Example〕

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view of a processing tool used in an embodiment of the present invention;
Fig. 2 is a partial cross-sectional view of an electric shaver with an antibacterial coating formed thereon, Figs. 3 and 4 are side views, partially in cross-section, to explain the treatment state of the hair receptacle. FIG. 2 is an enlarged cross-sectional view of an antibacterial coating.

As shown in FIG. 2, the rotary electric shaver has a dome-shaped outer blade 3 attached to the head of the razor body 1 by a fixing ring 2.
is fixed with a predetermined tension. A rotary blade 4 is disposed so as to be in sliding contact with the lower surface of the outer blade 3, and a hair receiver 5 is provided below the rotary blade 4. The upper surface of this hair receptacle 5 is coated with an antibacterial agent coating 6 as shown in FIGS. 3 and 4.
is formed. When shaving with an electric razor, the dead skin cells, fat, and various germs such as Clostridium botulinum, Escherichia coli, etc. that have adhered to the hair as well as the hair remain in the hair receptacle type 5. Moisture in the atmosphere promotes the growth of bacteria, and the inside of the hair receiving mold 5 tends to become unhygienic. An antibacterial opening 6 is formed in order to maintain the inside of the hair receiving mold 5 sanitary by suppressing the proliferation of germs or actively sterilizing them.

This antibacterial agent coating 6 is composed of zeolite fine particles 7 that support metal ions having an antibacterial effect such as silver ions, copper ions, zinc ions, etc. through ion exchange, and a binder 8 for binding the fine particles to form a coating. (See Figure 5).

As the zeolite mentioned above, synthetic zeolite is used. This synthetic zeolite has a three-dimensionally developed skeletal structure, and the chemical composition is generally
It is expressed as 2.zHzo, M represents an ion-exchangeable metal ion, and n is its valence. Since some of the silicon is replaced with tetrahedral aluminum with a coordination number of 4, there is a lack of positive charge, and to compensate for this lack, antibacterial metal ions such as silver ions, copper ions, and zinc ions are added. It can be well retained within the crystal. The synthetic zeolite has three-dimensional pores of 10 angstroms or less and a specific surface area of 150 m2/g, and zeolite A, zeolite X, and zeolite Y are particularly suitable.

Furthermore, instead of the metal ions, organic compounds such as benzoic acid, salicylic acid, parachlorometacresol, chlorhexine gluconate, and resorcinol can be supported in the zeolite fine particles.

As the binder for film formation, commonly used water-insoluble organic compounds such as epoxy resins, polyamides, polyesters, synthetic rubbers, and ultraviolet curing resins can be used.

When a mixture of zeolite fine particles 7 and a resin solution of binder 8 is applied to the surface of the hair receiving mold 5 as a base material and dried, most of the zeolite fine particles 7 form a layer of binder 8 as shown by the broken line in FIG. With the zeolite fine particles 7 covered, the zeolite fine particles 7 and the hair receiving mold 5 are
Tightly bind.

Next, the upper layer of the binder 8 is mechanically removed to expose the surface of the zeolite fine particles 7. A processing tool 9 shown in FIG. 1 is used for this exposure process. This treatment tool 9 consists of a plate-shaped holding part 10 made of synthetic resin that is held with your fingers, a brush 11 made of hard vinyl chloride, polyamide, etc., planted at one end of the holding part 10, and a plate-shaped brush 11 connected to the other end. Elastic part 12
It is composed of spikes. This elastic part 12 is made of rubber such as silicone rubber (rubber hardness is 45 to 65 degrees), silicon carbide, white alundum Al2O3, 5i
It is composed of a mixture of abrasive grains having a number of 400 to 1000 oz.

Therefore, this elastic part 12 has a higher hardness than the binder 8 described above, and by lightly rubbing the surface of the antibacterial agent coating 6 with this elastic part 12, as shown in FIG. 4, the resin film on the surface of the zeolite fine particles 7 can be (Binder 8) is removed to partially expose the zeolite fine particles 7 as shown in FIG.

The hair receiving mold 5 exposed in this manner is attached to an electric shaver and put into use. When an electric razor is used, bacteria accumulates together with hair, dead skin, fat, etc., but the presence of the antibacterial coating 6 suppresses the growth of bacteria and sterilizes them, so that the inside of the hair receiver mold 5 is always hygienic. Can be maintained. To remove the hair debris accumulated in the hair receiving mold 5, as shown in FIG. By rubbing the inner surface of the zeolite particles 5, it is possible to remove deposits such as fat and oil adhering to the surface of the zeolite fine particles 7, which are difficult to remove with the brush 11, and help maintain the antibacterial effect.

FIG. 6 is a diagram showing a first modified example of the processing tool 9. In this example, the elastic portion 12 is divided into a plurality of parts to easily conform to the shape of the object to be processed.

FIG. 7 is a diagram showing a second modification of the processing tool 9, in which the elastic portion 12 is composed of a wire brush.

FIG. 8 shows a third modification of the processing tool 9 and also shows a modification of the object to be processed. In this example, the antibacterial coating 6 is formed on the inner surface of the dust collection case 13 of the electric scrubber in the same manner as described above, and is treated with the spatula-shaped treatment tool 9. In this example, an elastic portion I2 is integrally provided at the tip of the processing tool 9.

9 and 10 are diagrams showing a fourth modification of the processing tool 9. FIG. In this example, the spatula-shaped processing tool 9 is made of a hard synthetic resin, a thin metal plate, a thin ceramic plate, or the like, and has a plurality of grooves 14 formed therein so that it can be easily broken off.

1 (FIG. 1 is a diagram showing a fifth modification example of the processing tool 9. In this example, irregularly shaped elastic portions 12a are provided at both ends.

12b, for example, the conical elastic part 12a is used for processing or cleaning corners and grooves of the object to be processed, and the flat elastic part 12b is used for processing flat parts of the object to be processed, etc. Used when cleaning.

In the above example, an example was explained in which a mixture of zeolite fine particles carrying an antibacterial agent and a binder was applied to the base material, but the zeolite fine particles and a synthetic resin such as ABS resin or amide resin (which also functions as a binder) The present invention is also applicable to molded mixtures of the following. In this case, instead of zeolite, for example, silver, copper, zinc, cadmium, mercury, and tin having a particle size of about 1 to 4 μm are used.

10-60% by weight of metal fine particles such as bismuth and chromium
It can also be kneaded into a molded product.

In the processing tool 9 shown in FIGS. 1, 5, and 6, an antibacterial agent (for example, metal particles having an antibacterial effect, zeolite particles supporting the metal particles, or an organic compound) is used as the brush 11. It is also possible to use a brush kneaded together.

〔Effect of the invention〕

The present invention has the above-described configuration, and can provide an antibacterial agent layer that has high antibacterial agent usage efficiency, has desired binding strength, and does not allow antibacterial agent particles to fall off.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a processing tool used in an embodiment of the present invention;
Figure 2 is a partial cross-sectional view of an electric shaver on which an antibacterial agent coating has been formed, Figures 3 and 4 are side views, partly in cross-section, to explain the treatment status of the hair tray, and Figure 5 is a partial cross-sectional view of an electric shaver coated with an antibacterial agent. FIG. 3 is an enlarged cross-sectional view of the coating. 6 and 7 are a plan view and a perspective view showing a modification of the processing tool, FIG. 8 is a perspective view of another modification of the processing tool in a used state, and FIGS. 9 and 10. 11 is a plan view and a side view showing still another modification of the processing tool, and FIG. 11 is a perspective view showing still another modification of the processing tool. FIG. 12 and FIG. 13 are enlarged cross-sectional views of a conventional antibacterial agent layer. 5... Hair catcher, 6... Antibacterial agent coating, 7... Zeolite fine particles, 8... Binder, 9... Treatment tool,
10... Holding part, 11-... Brush, 12.12a,
12b=elastic part, 13... dust collection case, 14...
groove. Figure 1 1゜ Figure 3 Figure Figure 12 Figure Red Figure Figure 11 Figure

Claims (12)

[Claims] (1) A method for forming an antibacterial agent layer, which comprises forming a mixture of an antibacterial agent and a binder into a predetermined shape, and then rubbing the surface with a treatment tool that is harder than the binder to expose the antibacterial agent. (2) The method for forming an antibacterial agent layer according to claim (1), wherein the antibacterial agent is zeolite fine particles supporting a metal having an antibacterial effect. (3) The method for forming an antibacterial agent layer according to claim (1), wherein the antibacterial agent is metal particles having an antibacterial effect. (4) The method for forming an antibacterial agent layer according to claim (1), wherein the mixture of the antibacterial agent and the binder is a film applied to a base material. (5) The method for forming an antibacterial agent layer according to claim (1), wherein the mixture of the antibacterial agent and the binder is a molded body. (6) An antibacterial agent layer processing tool, characterized by having a resin film removal part that is harder than the binder for forming the antibacterial agent layer. (7) The antibacterial agent layer processing tool according to claim (6), wherein the resin film removing section is made of an elastic body containing abrasive grains. (8) The tool for treating an antibacterial agent layer according to claim (6), characterized in that a cleaning section is integrally provided in addition to the resin film removing section. (9) The antibacterial agent layer processing tool according to claim (6), wherein the resin film removal section is divided into a plurality of vertically divided sections. (10) The antibacterial agent layer processing tool according to claim (6), characterized in that the resin film removing part is provided at the tip and has a spatula shape. (11) The tool for treating an antibacterial agent layer according to claim (6), characterized in that a resin film removing portion of an irregular shape is provided at each end. (12) The antibacterial agent layer processing tool according to claim (6), characterized in that the resin film removing section can be broken off in multiple stages.