JPS6182714A - Antistaic mat - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Field of Industrial Application] This invention is mainly applicable to places where it is desired to suppress the generation of static electricity, such as chairs for operating computers, chairs and floors in assembly workshops for electronic components such as ICs and LSIs. Regarding the static elimination mat to be used.

[Conventional technology]

When working with a computer, static electricity charged on the human body may flow into the computer and cause malfunction. For this reason, it is necessary to suppress the generation of static electricity in the human body. Also IC
When assembling electronic devices using LSIs or the like, static electricity charged on the human body may flow into the electronic devices and damage the devices. Therefore, they wore gloves and clothing that had undergone various antistatic treatments, or applied other appropriate antistatic effects.

[Problem that the invention seeks to solve]

However, antistatic treatment or processing of these gloves and clothing alone is not sufficient to prevent static electricity hazards. For example, when assembling electronic parts while sitting on a chair for a long time, friction occurs between the buttocks and the chair. Static electricity is generated by
This may flow to the outside, especially electronic components, and cause electrostatic damage.

[Means for solving problems]

Therefore, this invention proposes that the part of the human body where static electricity is most likely to be generated is the contact surface where the human body is sitting, that is, the contact surface between the buttocks or the soles of the feet and the chair or floor, where weight is applied and therefore friction is large. Focusing on the fact that a slight movement generates static electricity and that it is easy to be charged, the present invention provides a static eliminator that eliminates static electricity, and furthermore, a static eliminator mat that has a water absorption function in addition to static electricity removal. A base material having appropriate elasticity to which a superabsorbent polymer is added is wrapped in a water-permeable cover, and the base material and/or the cover are subjected to antistatic treatment and processing.

[For production]

In this invention, the device is placed in advance on a chair, floor, etc. that is easily touched by the human body. When a human body comes into contact with the mat of this invention,
In addition to removing static electricity from the human body, it also eliminates the sweat of the human body.
It absorbs and dehumidifies surrounding moisture, and retains this adsorbed moisture, further enhancing the static elimination effect.

〔Example〕

Embodiments of the present invention will be explained below with reference to the drawings. 0 Figures 1 and 2 show an embodiment of the present invention. Synthetic fibers 1
A mat-like substrate 4 is prepared by mixing cotton fibers 2 and superabsorbent polymer fibers 3. This is soaked in a water-resistant antistatic liquid, dried, and covered with a cloth cover 5. This is what I did.

In the case of this embodiment, when placed on a chair as a seat cushion or cushion, or placed on the floor as a mat, the cloth cover 5 is water permeable and the super absorbent polymer fibers in the base 4 are placed on the floor. 3 removes the user's sweat and surrounding moisture H as the second
As shown in the figure (absorbed through the cloth cover 5. Therefore, enough moisture is secured for the antistatic agent to exert its effect, and the superabsorbent polymer fibers 3 retain the absorbed water and absorb it under pressure. Therefore, this substrate 4 always retains moisture and has an antistatic effect.

When a human body is placed on this mat, pressure is applied, and this energy rubs against the base 4 and some of it becomes thermal energy. When this pressure is released, static electricity is generated within the base 4 of the mat. However, since this base 4 has been subjected to antistatic treatment, the static electricity generated here is dispersed and made uniform throughout the base 4, the potential becomes small, some of it cancels out and disappears, and some of it disappears on the base 4. Moisture in the substrate 4 is vaporized by thermal energy generated in the substrate 4 and released into the air. In this way, even if the mat is pressurized by a person standing on it, static electricity is immediately removed.

The synthetic fibers 1 of this embodiment maintain the shape of the base 4 of the mat and also function to adjust the water absorption level of the superabsorbent polymer fibers 3. The cotton fibers 2 are used to facilitate the release of moisture adsorbed by the superabsorbent polymer fibers 3 by vaporization or the like.

FIG. 3 shows another embodiment of the present invention, in which activated carbon 6 is further inserted into the base 4 of the above embodiment. In this embodiment, the activated carbon 6 adsorbs odors and the base The superabsorbent polymer fibers 3 in the fibers 4 adsorb moisture and have good electrical conductivity, so this electrical conductivity promotes the above-mentioned static elimination effect.

Fig. φ shows still another embodiment of the present invention, in which an appropriate number of slots 8 are formed in a mat-like base 7 made of foamed sponge.
is provided, and superabsorbent polymer 9 is filled in this slot 8,
This substrate 7 was soaked in a water-resistant antistatic liquid and dried. This base body 7 is covered with a suitable water-permeable cover 10.

It goes without saying that this embodiment also has the same static elimination and water absorption effects as the embodiments shown in FIGS. 1 and 2 above.

In each of the above embodiments, only the base body was subjected to antistatic treatment, but both the base body and the cover may be treated, or only the cover may be subjected to antistatic treatment and processing. In other words, even if only the cover is treated with antistatic treatment, moisture is always retained within the base due to the highly absorbent polymer, and when a person stands on this mat, the force exerted on it is not treated with antistatic treatment. Although static electricity does not occur in the substrate, which is the location where static electricity is most likely to occur, it is easily moved and dispersed by the moisture, and therefore the potential becomes small. When the water vaporizes due to the heat energy generated by the pressure, it is released into the air along with the water. Therefore, the static elimination effect of this mat remains unchanged.

Further, the substrate of the present invention is not limited to the above embodiments, and may be a mixture of one or more of vegetable fibers, animal fibers, nonwoven fabrics, paper, foam materials, and the like. Further, the antistatic treatment and processing method of the present invention may be any appropriate method such as dipping the object to be treated in a solution of an antistatic agent, coating by spraying, etc., and conductive fibers or the like may be used for the cover or base. It may also be treated with antistatic treatment. Further, although the present invention uses a static elimination mat, it includes various forms such as a carpet laid on the floor, a mat, a cushion, a cover or cushion placed on a chair, a backrest, a pillow, etc.

〔Effect of the invention〕

This invention has the above structure, and since the superabsorbent polymer always retains the water necessary for the antistatic agent to exhibit its effect, the antistatic effect and static neutralizing effect can be exhibited constantly and over a long period of time.

Therefore, when the static electricity eliminating mat of this invention is placed on a chair or on the floor, even if a person walks, stands, or sits on these mats and the static electricity is generated due to the movement of the feet or buttocks, it is immediately removed. . Moreover, the highly water-absorbent polymer in the static neutralizing mat absorbs human sweat and surrounding moisture, making the antistatic effect even higher, and it also has a water-absorbing effect that also absorbs surrounding moisture.

Therefore, it can be used as floor and chair mats in computer operation rooms, electronic parts work rooms, etc., as well as chair cushions, backrests, seat cushions, beds for sick people, etc. in automobiles and other vehicles where people sit for long periods of time. When used as bedding, etc., the static eliminating mat of this invention can be placed on the part of the human body where static electricity is most likely to be generated, and the static electricity generated on the human body can be instantly erased, suppressing the generation of static electricity and preventing other It is possible to avoid the impact on objects.

[Brief explanation of drawings]

FIG. 1 is a perspective view of one embodiment of the present invention, FIG. 2 is a vertical sectional view of the same, and FIG. 3 is a vertical sectional view of another embodiment of the invention.
FIG. φ is a partially cutaway perspective view showing still another embodiment of the present invention. In the figure, 1 is a synthetic fiber, 2 is a cotton fiber, 3 is a super absorbent polymer fiber, 4 is a base, and 5 is a cloth cover. Patent applicant Tokyo Copal Chemical Co., Ltd. Figure 3

Claims (2)

[Claims] (1) A static neutralizing mat characterized by wrapping a base with appropriate elasticity to which a superabsorbent polymer has been added and wrapping the base with a water-permeable cover, and applying antistatic treatment to the base and/or the cover. (2) The static elimination mat according to claim (1), wherein the elastic substrate is made of one or more of synthetic fibers, vegetable fibers, animal fibers, nonwoven fabrics, paper, and foam materials.