JP2010030246A - Functional sheet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To achieve a functional sheet possessed of outstanding cushion behavior, shielding capacity and water absorbing function while consisting of a thin fiber sheet. <P>SOLUTION: The functional sheet 1 consists of a convexo-concave structure sheet 6 made by embossing to the sheet surface of the material sheet 5. The material sheet 5 is formed of a flexible fiber sheet 2 and a resin film 3 piled up on one side of the fiber sheet 2. Thickness dimension (T) of the convexo-concave structure sheet 6 is set to twice or more and twenty times or less of thickness dimension (t) of the material sheet 5. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

The present invention relates to a functional sheet.
The functional sheet according to the present invention can also be applied as a material for a medical gown worn when performing surgery or medical examination. Moreover, the sheet | seat which concerns on this invention is applicable also as a raw material of the beauty gown worn at the time of hair dyeing and perm besides the cosmetic gown worn at the time of makeup.
In addition, the functional sheet according to the present invention is a mounting mat such as an arm for infusion or injection, or a treatment mat when the examinee is in a lying position on an examination table such as CT or MRI. Thus, it is applicable also to the medical sheet | seat used in a medical field.

  Examples of conventional medical functional sheets of this type include Patent Documents 1 and 2, for example. In patent document 1, the hospital floor sheet is comprised by the water absorption layer which consists of a water absorptive nonwoven fabric, and the waterproof layer made from a synthetic resin. In Patent Document 2, a nonwoven web is formed from superabsorbent fibers, and a waterproof layer is provided as a backing material.

JP-A-11-129405 Japanese Patent Laid-Open No. 03-174062

The present inventors have prepared a disposable medical gown to be worn at the time of surgery or medical examination by using a sheet having a two-layer structure composed of a fiber layer and a synthetic resin layer. Thought. However, when a medical gown is made with the sheet described in the above-mentioned patent document, there is a concern that the gown can be seen through and the skin can be seen. There is a risk of a heavy psychological burden. That is, when a medical gown is manufactured with the sheet | seat described in each patent document, there exists a possibility that a gown can see through and a skin can be seen. The problem can be solved by increasing the thickness dimension of the sheet, particularly the thickness dimension of the fiber layer, but in that case, the manufacturing cost is high and it is not suitable as a disposable medical gown.
Similar problems occur not only in cosmetic gowns worn during makeup, but also in beauty gowns worn during hair dyeing or perms. That is, when a makeup gown or a beauty gown is made of a sheet that is thin enough to allow human skin and clothes to be seen through, the user may feel unreliable and feel cheap. On the other hand, when the thickness dimension of the sheet is increased, the manufacturing cost is high, and it is not suitable as a disposable cosmetic gown or cosmetic gown.

  In addition, the two-layered sheet formed by simply laminating the fiber layer and the synthetic resin layer as described above has poor cushioning properties, and the examinee is in a lying position on an examination table such as CT or MRI. Therefore, it is not suitable as a disposable processing mat when undergoing inspection. In addition, since the water absorption performance of the entire sheet depends on the water absorption performance of the layer composed of flat fibers, good water absorption performance cannot be imparted, and it is also suitable as a mounting mat for arms etc. in blood collection or infusion. Absent.

  The object of the present invention is to reliably prevent the skin and clothes from being seen through the gown, even though it is made of a thinner fiber sheet that requires less material costs. Can significantly reduce the psychological anxiety and burden of users such as patients and examinees undergoing medical examinations, or the psychological anxiety and burden of users who make up, etc. Therefore, medical gowns, cosmetic gowns, or beauty It is to obtain a functional sheet capable of satisfying the conflicting problems of cost reduction of the gown and enhancement of the concealment function of the gown.

  An object of the present invention is to use a thin fiber sheet as a raw material, but has an excellent cushioning action. Therefore, the examinee is placed in a lying posture on an examination table such as CT, MRI, etc. The purpose is to obtain a medical functional sheet suitable as a disposable processing mat.

  An object of the present invention is to use a thin fiber sheet as a raw material, and can effectively prevent the liquid from diffusing and flowing out. Therefore, the medical use is suitable as a mounting mat for arms or the like in blood collection or drip infusion. It is to obtain a functional sheet.

As shown in FIG. 1, the present invention is directed to a functional sheet including a concavo-convex structure sheet 6 formed by embossing a sheet surface of a material sheet 5. As shown in FIG. 4, the material sheet 5 is formed of a flexible fiber sheet 2 and a resin film 3 laminated on one side of the fiber sheet 2. And as shown in FIG. 1, the thickness dimension (T) of the uneven | corrugated structure sheet | seat 6 is set to 2 times or more of the thickness dimension (t) of the raw material sheet 5, and 20 times or less. The thickness dimension (T) of the concavo-convex structure sheet 6 is optimally in the range of 8 to 10 times (8 times or more and 10 times or less) the thickness dimension (t) of the material sheet 5.
Specific examples of the fiber sheet 2 include a wet tissue sheet formed of vegetable fibers such as pulp, nanofibers, ultrafine fibers, various synthetic fibers, or a mixed fiber of two or more of these fibers. Can do.
A plurality of resin films 2 may be laminated on the fiber sheet 2.

  As shown in FIG. 5, a blank laminate 7 is formed by laminating a plurality of material sheets 5, and the blank laminate 7 can be embossed.

As shown in FIG. 5, the sticking part 8 is formed in the outer surface of each raw material sheet 5 by hot-melt process, The raw material sheet 5 in which this sticking part 8 was formed is laminated | stacked, and blank lamination | stacking The body 7 is formed, and this blank laminate 7 can be embossed to take the form in which the concavo-convex structure sheet 6 is formed.
As a formation part of the sticking part 8, it forms in the outer surface of the raw material sheet 5 so that it may form in the corner part of the raw material sheet 5, and it is linear or dotted on the whole outer surface of the raw material sheet 5. The form which forms the sticking part 8 can be taken. Moreover, the sticking part 8 can be formed in a dot, a line, or a character shape.
Specific examples of the hot melt resin constituting the sticking portion 8 include an olefin-based copolymer based on an amorphous polyolefin resin by random copolymerization of ethylene and butene 1, and a random copolymer of ethylene and vinyl acetate as a base. In addition to EVA-based rubbers, rubber-based elastomers based on heat-flexible elastomers, acrylic hot-melts based on acrylic resins can be mentioned.

  The fiber sheet 2 can be colored, and the resin film 3 can be transparent or translucent.

In the functional sheet according to the present invention, the fiber sheet 2 and the resin film 3 laminated on one side of the fiber sheet 2 form a material sheet 5, and the sheet surface of the material sheet 5 is embossed to provide unevenness. The structure sheet 6 was formed, and the functional sheet 1 was formed using the uneven structure sheet 6. According to the concavo-convex structure sheet 6, light can be irregularly reflected by the convex and concave surfaces of the emboss projections 10 and 11, so that the functional sheet 1 can be provided with a shielding function. Thereby, even when the raw material sheet 5 is formed using the thinner fiber sheet 2 that requires less material cost as a base fabric, the functional sheet 1 can be provided with a shielding function.
Therefore, when the functional sheet 1 according to the present invention is applied to the medical gown 21 (see FIGS. 8 and 9), even when the material sheet 5 is formed using the thin fiber sheet 2 as a base fabric, the skin is gown 21. The medical gown 21 having an excellent shielding function can be obtained while realizing the low cost of the disposable examination gown 21. The same effect is the same when the functional sheet 1 according to the present invention is applied as a material for a cosmetic gown or a beauty gown. The same applies to the case of application as a cape material for cosmetics or beauty industry as shown in FIGS.

  In addition, when the functional sheet 1 is formed of the concavo-convex structure sheet 6 formed by embossing the sheet surface of the material sheet 5, cushioning derived from the concavo-convex structure can be imparted to the functional sheet 1. . Therefore, the functional sheet 1 according to the present invention exhibits a good body pressure dispersion effect, such as a treatment mat when the examinee is in a lying position on an examination table such as CT or MRI. It is suitable as a medical sheet used in a medical field.

  In addition, if the functional sheet 1 is formed of the concavo-convex structure sheet 6 formed by embossing the sheet surface of the material sheet 5, the surface area of the fiber sheet 2 can be increased by the concavo-convex structure. Thus, it is possible to increase the water absorption effect of the functional sheet 1. Therefore, the functional sheet 1 according to the present invention is suitable as a mounting mat for arms or the like in infusion or injection. In addition, since the liquid can be stored by the concave portion of the concavo-convex structure sheet 6, the functional sheet 1 exhibits a good water retention action in combination with the water absorption action.

  The reason why the thickness dimension (T) of the concavo-convex structure sheet 6 is set to be not less than 2 times and not more than 20 times the thickness dimension (t) of the material sheet 5 is as follows. That is, when the thickness dimension (T) of the concavo-convex structure sheet 6 is less than twice the thickness dimension (t) of the material sheet 5, the shielding property, cushioning property, or water absorption derived from the concavo-convex structure. Etc. cannot be achieved, and a good shielding function or the like cannot be imparted to the functional sheet 1. On the other hand, when the thickness dimension (T) of the concavo-convex structure sheet 6 exceeds 20 times the thickness dimension (t) of the material sheet 5, the material sheet 5 may be damaged.

  When embossing is performed on the blank laminate 7 obtained by laminating a plurality of material sheets 5, it is possible to remarkably reduce the effort required for embossing as compared to the case of embossing each material sheet 5. Further, by performing embossing, it is possible to obtain a laminated body 9 in which the laminated functional sheets 1 are integrated with emboss projections 10 and 11 which are plastically deformed. The sheet 1 can be prevented from being separated, and the handling of the laminate 9 can be simplified. There is also an advantage that the space occupied by the laminated body 9 can be reduced to reduce the space required for transportation and storage. Since it can package in the form of the laminated body 9, compared with the form which wraps the functional sheet 1 for every sheet, simplification of a packaging can be achieved and there also exists an advantage which can reduce a packaging cost significantly.

  Since the position shift at the time of embossing can be prevented if the sticking part 8 is formed in the outer surface of each raw material sheet 5, the precision improvement of the uneven structure sheet 6 can be aimed at. In addition, since the material sheet 5 can be prevented from being inadvertently separated by the sticking portion 8, the handling property of the functional sheet 1 in the distribution process or the use site is good.

First Embodiment FIGS. 1 to 6 show an embodiment of a functional sheet according to the present invention. In FIG. 1, the functional sheet 1 is formed of a colored fiber sheet 2 and a resin film 3 laminated on the outer surface (one surface) of the fiber sheet 2. The fiber sheet 2 is made of plant fibers, nanofibers, ultrafine fibers, various synthetic fibers, or a mixture of these fibers, and is formed in a tissue paper shape. The average thickness dimension thereof is 0.05. ~ 0.2 mm. The resin film 3 is formed of a transparent polyethylene film having a thickness of 5 to 21 μm, and the color of the colored fiber sheet 2 can be visually recognized. The colored fiber sheet 2 is colored in a pale color to exhibit aesthetics and cleanliness, for example, blue, pink, cream, etc. with reduced saturation.

  The raw material sheet 5 (see FIG. 4) simply laminated with the transparent resin film 3 on the outer surface of the fiber sheet 2 lacks shielding properties in use because the fiber sheet 2 is thin. In order to improve the shielding properties, in the present invention, the material sheet 5 is embossed to form the concavo-convex structure sheet 6 as shown in FIG. 2, and the concavo-convex structure sheet 6 is the functional sheet 1.

  Specifically, in the functional sheet 1, as shown in FIGS. 1 and 2, hemispherical embossed protrusions 10 and 11 having a diameter of 2 to 3 mm are formed on the front and back of the sheet surface. Thus, when the embossing protrusions 10 and 11 are formed, when the functional sheet 1 is viewed from the outer surface, the resin film 3 is irregularly reflected on the convex surface and the concave surface of the embossing protrusions 10 and 11, and when viewed through the polished glass. The outline can be greatly blurred, and thus the shielding property of the functional sheet 1 can be greatly improved. Incidentally, the shielding property can be improved also by increasing the thickness of the fiber sheet 2, but in this case, the cost of the functional sheet 1 increases.

As shown in FIG. 1, the thickness dimension (T) of the concavo-convex structure sheet 6 (functional sheet 1) defined by the upper and lower end portions of the emboss projections 10 and 11 is twice the thickness dimension (t) of the material sheet 5. As described above, 20 times or less is set (2t ≦ T ≦ 20t). In this embodiment, the thickness dimension (T) of the concavo-convex structure sheet 6 (functional sheet 1) is set to about 8 times the thickness dimension (t) of the material sheet 5.
The reason why the thickness dimension of the concavo-convex structure sheet 6 is set to be not less than twice and not more than 20 times the thickness dimension of the material sheet 5 is as follows. That is, when the thickness dimension of the concavo-convex structure sheet 6 is less than twice the thickness dimension of the material sheet 5, an increase in shielding properties, cushioning properties, water absorption, etc., derived from the concavo-convex structure. It cannot be achieved, and a good shielding function or the like cannot be imparted to the functional sheet 1. On the other hand, when the thickness dimension of the concavo-convex structure sheet 6 exceeds 20 times the thickness dimension of the material sheet 5, the material sheet 5 may be damaged during embossing.

  The functional sheet 1 having the above-described configuration can be manufactured through a process as shown in FIG. While continuously feeding out the fiber sheet 2, the resin film 3 continuously fed out is laminated on the surface, and the resin film 3 is fixed (laminated) to the fiber sheet 2 by a pair of upper and lower laminating rollers 15 and 15. Next, it cuts with a pair of upper and lower rotary cutters 16 and 16 and cuts into a rectangular shape to obtain a material sheet 5 as shown in FIG. Next, after forming a sticking part by the hot-melt process in the corner part of the four corners of each obtained raw material sheet 5, a plurality of (around 5) raw material sheets 5 are laminated, as shown in FIG. A blank laminate 7 is formed. Next, the flank laminate 7 is passed between a pair of upper and lower embossing rollers 17 and 17 to perform embossing, and as shown in FIG. 6, the functional sheet 1 in which a plurality of concavo-convex structure sheets 6 are laminated is laminated. Body 9 was obtained.

  As described above, when the embossing is performed on the blank laminate 7, it is possible to remarkably reduce the labor required for the embossing as compared to the case of embossing each material sheet 5. Furthermore, if the sticking part 8 is formed prior to the embossing, it is possible to prevent the positional deviation of the material sheet 5 during the embossing and to perform the embossing with respect to the blank laminate 7 with high accuracy. Thus, the dimensional accuracy of the concavo-convex shape of each concavo-convex structure sheet 6 (functional sheet 1) can be improved, so that the quality of the functional sheet 1 can be improved.

  Further, in addition to the integration action by the pasting portion 8, the adjacent concavo-convex structure sheets 6 can be integrated by the embossing protrusions 10 and 11 plastically deformed as shown in FIG. It can be distributed in the form of the laminate 9 as shown in FIG. 5, and handling at the time of distribution or at the use site can be simplified. At the use site, the functional sheets 1 may be peeled from the laminate 9 one by one. Since it can package in the form of the laminated body 9, compared with the form which wraps the functional sheet 1 for every sheet, simplification of a packaging can be achieved and there also exists an advantage which can reduce a packaging cost significantly.

  The functional sheet 1 having a rectangular shape in plan view as described above can be used as a mounting mat 20 such as an arm for infusion or injection as shown in FIG. In this case, since the water absorbing action derived from the fiber sheet 2 is exhibited, it is preferable to use the fiber sheet 2 side as the upper surface. In addition, a water retention effect derived from the accumulation of liquid in the recesses of the concavo-convex structure can also be expected, and the functional sheet 1 exhibits a good water retention effect in combination with the previous water absorption effect.

  By increasing the outer dimensions of the functional sheet 1, the functional sheet 1 can be used as a treatment mat when the examinee takes a lying posture on an examination table such as CT or MRI. In this case, a good body pressure dispersion effect derived from the uneven structure can be expected. In addition, when using as a processing mat as mentioned above, it is preferable to use the fiber sheet 2 side as an upper surface. This is because the fiber sheet 2 is softer than the resin film 3.

Second Embodiment FIGS. 8 and 9 show a second embodiment in which the functional sheet 1 according to the present invention is applied to a medical gown. In FIG. 8, the medical gown 21 is formed in a translucent shape by opening a mounting hole 22 for passing the head in the vicinity of the upper side of the vertically long functional sheet 1. In FIG. 8, the part below the mounting hole 22 is a front part 23 covering the chest, and the part above the mounting hole 22 is a shoulder part 24 covering the shoulder mountain and the upper back. The mounting hole 22 is formed as an elliptical hole having a long axis extending in the left-right direction, and three cuts 25 that facilitate the passage of the head are formed in each of the left and right and rear side centers. . When this medical gown 21 is used, as shown in FIG. 9, the head is passed through the mounting hole 22 and the chest of the examinee is covered with the front surface portion 23.

  The functional sheet 1 constituting the medical gown 21 is the same as that of the first embodiment, and is formed by a colored fiber sheet 2 and a resin film 3 laminated on the outer surface (one side) of the fiber sheet 2. (Refer to FIG. 1), and the fiber sheet 2 is arranged on the side in contact with the skin. The fiber sheet 2 is colored with a light color in order to exhibit aesthetics and cleanliness. For example, the fiber sheet 2 is colored in blue, pink, cream, etc. with reduced saturation.

  Embossed protrusions 10 and 11 having a hemispherical shell shape with a diameter of 2 to 3 mm are formed on the front and back surfaces of the functional sheet 1 (see FIG. 1). When the embossed protrusions 10 and 11 are formed in this way, when the medical gown 21 is viewed from the outer surface, the resin film 3 is irregularly reflected on the convex and concave surfaces of the embossed protrusions 10 and 11, and the contour is as if viewed through the polished glass. Therefore, the shielding of the medical gown 21 can be greatly improved. Incidentally, it is possible to prevent the skin from being seen through by increasing the thickness of the fiber sheet 2, but in this case, the cost of the medical gown 21 is increased.

  Such a medical gown 21 can be manufactured through substantially the same process as in the first embodiment, and as shown in FIG. 8, in the form of a laminate 9 in which a plurality of medical gowns 21 are laminated. For use in transportation and storage, the functional sheet 1 that is the medical gown 21 may be peeled from the laminate 9 one by one.

  In the above embodiment, the medical gown has been described. However, this gown can also be applied as a gown for a beauty industry worn in a hair dyeing process or the like in a beauty salon. It can also be applied as a cosmetic gown worn during makeup.

(3rd Embodiment) 3rd Embodiment which applied the functional sheet 1 which concerns on FIG. 10 and FIG. 11 to the cape 30 for beauty industry is shown. As shown in FIG. 10, the cape 30 includes a central opening 31 through which a neck is passed, and a notched 32 having a taper shape that extends rearward and communicates with the central opening 31. It has an end ring-like overall shape. A plurality of sticking portions 34 are formed along the inner side 33 on one side of the opposed inner sides 33 and 33 constituting the notch 32, and the two sides are overlapped and fixed, whereby FIG. As shown in Fig. 4, the shape can be maintained in a substantially conical shape covering the shoulder.

The functional sheet 1 constituting the cape 30 is the same as that of the first embodiment, and is formed by a colored fiber sheet 2 and a resin film 3 laminated on the outer surface (one side) of the fiber sheet 2. Yes (see FIG. 1), the fiber sheet 2 is arranged on the lower side in the usage pattern in FIG. The fiber sheet 2 is colored with a light color in order to exhibit aesthetics and cleanliness. For example, the fiber sheet 2 is colored in blue, pink, cream, etc. with reduced saturation. Embossed protrusions 10 and 11 having a hemispherical shell shape with a diameter of 2 to 3 mm are formed on the front and back surfaces of the functional sheet 1 (see FIG. 1).
Since the other points are the same as those in the first embodiment, the same members are denoted by the same reference numerals, and the description thereof is omitted.

  In the above embodiment, the resin film 3 drawn out from the roller-shaped resin film 3 is laminated on the fiber sheet 2 and laminated. However, the present invention is not limited to this, and the resin film extruded from the extruder is used. It may be superposed on the fiber sheet 2. A resin film may be formed by applying a liquid resin onto the fiber sheet 2.

It is a vertical side view of the functional sheet which concerns on 1st Embodiment of this invention. It is an external appearance perspective view of a functional sheet. It is a figure for demonstrating the manufacturing method of a functional sheet. It is an external appearance perspective view of a raw material sheet. It is an external appearance perspective view of a blank laminated body. It is a vertical side view of the laminated body formed by laminating functional sheets. It is a figure which shows the usage condition of the mounting mat to which the functional sheet which concerns on this invention was applied. It is a figure which shows the state in the laminated body of the medical gown to which the functional sheet of this invention was applied. It is a figure which shows the use condition of a medical gown. It is a top view which shows the cape to which the functional sheet of this invention was applied. It is a figure which shows the usage pattern of a case.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Functional sheet 2 Fiber sheet 3 Resin film 5 Material sheet 6 Uneven structure sheet 7 Blank laminated body 8 Adhering part 9 Laminated body 10 Embossed protrusion 11 Embossed protrusion

Claims (4)

It is a functional sheet consisting of a concavo-convex structure sheet (6) formed by embossing the sheet surface of the material sheet (5),
The material sheet (5) is formed of a flexible fiber sheet (2) and a resin film (3) laminated on one side of the fiber sheet (2),
A functional sheet characterized in that the thickness dimension of the concavo-convex structure sheet (6) is set to be not less than 2 times and not more than 20 times the thickness dimension of the material sheet (5). A blank laminate (7) is formed by laminating a plurality of material sheets (5),
The functional sheet according to claim 1, wherein the blank laminate (7) is embossed. A sticking part (8) is formed by hot melt processing on the outer surface of each material sheet (5),
A blank laminate (7) is formed by laminating a plurality of material sheets (5) on which the sticking part (8) is formed, and the blank laminate (7) is embossed, The functional sheet according to claim 2, wherein the concavo-convex structure sheet is formed. The fiber sheet (2) is colored,
The functional sheet according to claim 1, 2 or 3, wherein the resin film (3) is transparent or translucent.

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