JP5650463B2 - Condensed water absorption tape - Google Patents

Description

  The present invention relates to a condensed water absorbing tape that absorbs water condensed on the surface of a window glass or the like.

  In order to absorb water condensed on the surface of a window glass or the like, various condensed water absorbing tapes based on a nonwoven fabric or the like have been developed.

  For example, the condensed water absorbing tape described in Patent Document 1 has a structure in which a synthetic resin film or a porous sheet having a large number of small holes is bonded to the surface of a substantially rectangular absorbent non-woven fiber sheet. In this condensed water absorbing tape, the condensed water is absorbed by the absorbent nonwoven fiber sheet, and then the absorbed condensed water is evaporated through the small holes of the porous sheet.

Japanese Utility Model Publication No. 4-44346 (microfilm of Japanese Utility Model Application No. 2-84207)

  However, as can be seen in Patent Document 1, in a normal condensed water absorbing tape, the base material layer such as a nonwoven fabric is in the form of a rectangular sheet or a belt, so that it is difficult to increase the contact area with the outside air. It is difficult to improve the water evaporation effect.

  In addition, since the conventional condensed water absorbing tape is in the form of a rectangular sheet or strip, it has poor aesthetics, and there is a problem that aesthetics must be improved by performing another treatment such as printing a pattern on the surface. There is also.

  This invention is made | formed in view of the above situations, and it aims at providing the condensed water absorption tape with the high evaporation effect of condensed water, and the aesthetics improved.

In order to solve the above problems, the condensed water absorbing tape of the present invention comprises an absorbing layer that absorbs condensed water and an adhesive layer provided on one surface of the absorbing layer, and the absorbing layer. At least the outer peripheral surface of the layer is formed with a peripheral surface expansion portion that expands the area of the peripheral surface of the absorption layer, and the peripheral surface expansion portion extends over the entire length of the short sides on both sides of the absorption layer It has the part which inclined with respect to the long side of this. (Claim 1).

According to this configuration, at least the outer peripheral surface of the absorbent layer, since the peripheral surface enlarging unit for enlarging the area of the peripheral surface of the absorbing layer is formed, to expand the area of contact with air at least the outer peripheral surface, Evaporation effect of condensed water increases.

Here, the peripheral surface of the absorption layer is a concept including at least the outer peripheral surface of the absorption layer and including both the inner peripheral surface and the outer peripheral surface.

  Moreover, the absorption layer can be made into a complicated and decorative shape by the peripheral surface enlarged portion, and the aesthetics are improved.

Moreover, according to this structure, since the surrounding surface expansion part is formed in the outer peripheral surface of an absorption layer, the area which contacts air on the outer peripheral surface of an absorption layer can expand, and the evaporation effect of condensed water can be improved. .

Furthermore, since the peripheral surface enlarged portion has a portion inclined with respect to the long side of the absorbent layer over the entire length of the short side on both sides of the absorbent layer, the area in contact with air on the outer surface of the absorbent layer is increased, and dew condensation occurs. The water evaporation effect can be improved. In addition, when two condensed water absorbing tapes are placed side by side and attached to an object such as a window glass, the condensed water falling through the window glass is reliably absorbed by the inclined portion of the side surface of the absorbent layer. The Therefore, there is no possibility that the condensed water will hang down through the joint, and the condensed water can be prevented from leaking.

Furthermore, it is preferable that the peripheral surface enlarged portion is formed on at least a part of the upper long side of the absorption layer (Claim 2 ).

  According to this configuration, since the peripheral surface enlarged portion is formed on at least a part of the long side on the upper side of the absorption layer, the area that comes into contact with air on the upper surface of the absorption layer is increased and the evaporation effect of condensed water is improved. be able to. And since the area of the outer peripheral surface in the upper surface of an absorption layer is expanded, the effect which absorbs the dew condensation water which falls over attachment objects, such as a window glass, also becomes high.

  As described above, according to the condensed water absorbing tape of the present invention, by providing the peripheral surface enlarged portion, the effect of evaporating condensed water is enhanced, and the aesthetics are improved.

  In addition, by arranging two sheets of condensed water absorbing tape side by side and affixing them to an object to be attached such as a window glass, the condensed water falling through the window glass is reliably absorbed by the inclined part of the side surface of the absorbent layer. can do. As a result, there is no possibility that the condensed water hangs down through the joint, and the condensed water can be prevented from leaking.

It is a front view of the tape for condensed water absorption concerning the embodiment of the present invention. It is the II-II sectional view taken on the line of the condensed water absorption tape of FIG. It is a front view which shows the state before cutting out the opening part of the condensed water absorption tape of FIG. FIG. 2 is a perspective view of a glass window in which the condensed water absorbing tapes of FIG. 1 are continuously arranged side by side and a die-cut piece corresponding to the opening is also attached thereto. It is a front view of the sample I using the nonwoven fabric of the state which put the die-cut piece used for Experimental example 1 of the condensed water absorption tape of this invention in the opening. It is a front view of the sample II using the nonwoven fabric of the state which took out the die-cut piece used for Experimental example 1 of the condensed water absorption tape of this invention from opening. It is a graph which shows the change of the moisture retention rate of the samples I and II in the environment of room temperature which is the experimental result of Experimental example 1 of the condensed water absorption tape of this invention. It is a graph which shows the change of the moisture retention of the samples I and II in a 50 degreeC high temperature environment which is an experimental result of Experimental example 1 of the condensed water absorption tape of this invention. It is a front view of the sample III using the rod-shaped nonwoven fabric without the outer periphery design used for Experimental example 2 of the condensed water absorption tape of this invention. It is a front view of sample IV using the nonwoven fabric which has the outer periphery design used for Experimental example 2 of the condensed water absorption tape of this invention. It is a graph which shows the change of the moisture retention of the samples III and IV in the environment of room temperature which is an experimental result of Experimental example 2 of the condensed water absorption tape of this invention. It is a graph which shows the change of the moisture retention of the samples III and IV in a 50 degreeC high temperature environment which is an experimental result of Experimental example 2 of the condensed water absorption tape of this invention.

  Hereinafter, embodiments of the condensed water absorbing tape of the present invention will be described in detail with reference to the drawings.

  The condensed water absorbing tape 1 shown in FIGS. 1 and 2 includes an absorbent layer 2 that absorbs condensed water, an adhesive layer 3 provided on one surface of the absorbent layer 2 (for example, the lower surface of FIG. 2), and a release layer. And a sheet 4. A plurality of openings 5 and 6 are formed in the absorption layer 2.

  The absorbent layer 2 is made of, for example, a nonwoven fabric, a woven fabric, a knitted fabric, or the like, and is manufactured using fibers such as cotton, hemp, silk, wool, pulp, rayon, acrylic, polyester, polyolefin, and polyamide. .

  The adhesive layer 3 is made of a synthetic resin such as acrylic, polyurethane, or polyvinyl chloride, or an adhesive made of a resin, and has an adhesive strength that can be re-peeled onto the surface of an attachment target such as a window glass G. It is done.

  The release sheet 4 is a resin or paper sheet that covers the adhesive layer 3 before use of the condensed water absorbing tape 1. When the condensed water absorbing tape 1 is used, the release sheet 4 is peeled from the adhesive layer 3.

  In the condensed water absorbing tape 1 of the present embodiment, the peripheral surface enlargement portions 9 and 12 that enlarge the area of the peripheral surface on the inner peripheral surfaces of the openings 5 and 6 and the outer peripheral surface (side surface 2a and upper surface 2c) of the absorbent layer 2. , 13 and 18 are formed. Hereinafter, these peripheral surface enlarged portions will be described in order.

  The peripheral surface enlarged portion 9 formed of the inner peripheral surface of the opening 5 has a convex portion 7 and a concave portion 8. Moreover, since the opening 5 has the shape of a snow crystal in which a plurality of convex portions 7 and concave portions 8 are radially continued, the evaporation effect of condensed water is further improved and the aesthetics are also improved.

  Further, the peripheral surface enlarged portion 12 formed of the inner peripheral surface of the opening 6 has a convex portion 10 and a concave portion 11. The opening 6 has a rabbit shape by combining the convex portion 10 and the concave portion 11.

  In the condensed water absorbing tape 1 shown in FIGS. 1 and 2, since the openings 5 and 6 are formed in the absorbent layer 2, the peripheral surface enlarged portions 9 and 12 formed from the inner peripheral surfaces of the openings 5 and 6 are air and Touching can improve the evaporation effect of condensed water. Moreover, since the peripheral surface enlarged portions 9 and 12 formed of the inner peripheral surfaces of the openings 5 and 6 have the convex portions 7 and 10 and the concave portions 8 and 11, the area in contact with air on the inner peripheral surface of the absorption layer 2. Can be expanded and the evaporation effect of condensed water can be improved.

  Moreover, since the opening shape of the openings 5 and 6 is made into a complicated and decorative shape such as a snow crystal or a rabbit in this way, the appearance of the condensed water absorbing tape 1 is improved. In particular, the shape of the snow crystal in the opening 5 and the shape of the rabbit in the opening 6 relate to the decoration reminiscent of winter according to the color of the absorbent layer 2 made of a white nonwoven fabric, and are highly decorative. .

  In addition to the above shapes, various shapes can be adopted as the shapes of the openings 5 and 6 as long as the area of the peripheral surface can be enlarged.

  An opening ratio of the openings 5 and 6 in the absorption layer 2 is preferably 5 to 30% because a sufficient amount of condensed water can be absorbed and the evaporation effect of the condensed water is high. In addition, if the aperture ratio is less than 5%, the effect of evaporating condensed water is lowered. On the other hand, if the opening ratio is larger than 30%, a sufficient amount of condensed water cannot be secured. Therefore, the above range is preferable.

Opening 5 and 6, the size of the area range of from 0.5 to 5 cm ² per one area 100 cm ² per absorbing layer 2, if it is 3-60 formed, sufficiently secure the absorption amount of the condensed water In addition, it is preferable because it has a high evaporation effect of condensed water. When the openings 5 and 6 have an area of less than 0.5 cm ² and / or less than 3 per 100 cm ² of the absorption layer 2, the effect of evaporation of condensed water is reduced, When the area per one is larger than 5 cm ² and / or more than 60 per 100 cm ^{2 in} the area of the absorption layer 2, a sufficient amount of condensed water cannot be secured. Therefore, the above range is preferable.

  In addition, a circumferential surface enlargement portion 13 having a hypotenuse 14 is formed on the side surface 2 a of the absorption layer 2. Unlike the shape orthogonal to the long side such as the short side of the rectangle, the peripheral surface enlargement part 13 is a part that greatly enlarges the area of the outer peripheral surface of the side surface 2a. The oblique side 14 is inclined with respect to the lower surface 2b, which is the long side of the absorption layer 2, over the entire length of the side surface 2a, which is the short side on both sides of the absorption layer 2.

  By forming the peripheral surface enlarged portion 13 including the hypotenuse 14 on the side surface 2a of the absorption layer 2, the area of the outer surface of the absorption layer 2 that comes into contact with air is increased, and the evaporation effect of condensed water can be improved. .

  In addition, as shown in FIG. 4, when the two condensed water absorbing tapes 1 are arranged side by side and attached to the window glass G, the condensed water W that falls in the vertical direction through the window glass G has a hypotenuse 14. Therefore, there is no possibility of dripping downward through the seam, so that the condensed water can be prevented from leaking.

In addition, if the peripheral surface expansion part 13 formed in the side surface 2a of the absorption layer 2 has a part inclined with respect to the long side of the absorption layer 2 over the full length of the short side on both sides of the absorption layer 2, dew condensation occurs. There is no possibility that water may leak downward through the joint of the condensed water absorbing tape 1 . Is Raniwa, even if the side surface 2a in a zigzag shape or corrugations shape, condensed water there is no danger leaking downward from the seam of the absorbent tape 1.

  In addition, even if it does not have the openings 5 and 6 as described above, if the side surface 2a of the absorption layer 2 has the peripheral surface enlarged portion 13 including the hypotenuse 14, there is no possibility of dripping downward through the joint. Needless to say, no absorption or condensation of condensed water occurs.

  Further, on the upper surface 2 c that is the long side on the upper side of the absorption layer 2, a peripheral surface enlarged portion 18 including a plurality of decorative protrusions 17 is formed. Unlike the linear shape such as the long side of the rectangle, the peripheral surface enlargement portion 18 is a portion that greatly increases the area of the outer peripheral surface of the upper surface 2 c of the absorption layer 2.

  The decorative protrusion 17 is a decorative protrusion integrated with the upper surface 2c of the absorbent layer 2, for example, in accordance with the color of the absorbent layer 2 made of a white nonwoven fabric such as fir tree, rabbit, snowman, white bear, etc. It is related to decorations reminiscent of winter. In the present embodiment, the entire upper surface 2c of the absorbent layer 2 is also shaped like a gentle mountain ridge line in accordance with the design of these decorative protrusions 17.

  By forming the peripheral surface enlarged portion 18 including a plurality of decorative protrusions 17 on the upper surface 2c of the absorbent layer 2, the area of the upper surface 2c of the absorbent layer 2 that comes into contact with air is increased, and the evaporation effect of condensed water is improved. be able to.

  And since the area of the outer peripheral surface in the upper surface 2c of the absorption layer 2 is expanded by the some decoration protrusion 17, the case where the tape 1 for condensed water absorption is affixed on the window glass G as shown in FIG. In addition, the effect of absorbing the dew condensation water W falling through the window glass G by the decorative projection 17 is also enhanced.

  By sticking the condensed water absorbing tape 1 configured as described above to the window glass G as shown in FIG. 4, for example, it was generated on the surface of the window glass G cooled in the outside air at night. If the condensed water absorbing tape 1 absorbs the condensed water and the temperature of the air rises by daylight or room heating in the daytime, the condensed water absorbed by the condensed water absorbing tape 1 is quickly evaporated. Can be made.

  When the condensed water absorbing tape 1 is manufactured, as shown in FIG. 3, the adhesive layer 3 and the release sheet 4 are sequentially laminated on the lower surface of the absorbent layer 2 made of nonwoven fabric, and then the openings 5 and 6 are formed. Is manufactured by die-cutting.

The die-cutting pieces 15 and 16 having an outer shape corresponding to the shape of the openings 5 and 6 that can be formed at the time of die-cutting are shipped in a state of being attached to the release sheet 4 after die-cutting as shown in FIG. Is done. Similarly to the surrounding condensed water absorbing tape 1, the die-cut pieces 15, 16 also have the absorbing layer 2 and the adhesive layer 3 and function as other condensed water absorbing tape.

  Therefore, as shown in FIG. 4, when the condensed water absorbing tape 1 is attached to the window glass G and used, the die-cutting pieces 15 and 16 are also attached to the window glass G and used. 15 and 16 can also absorb condensed water. The outer shape of the die-cutting pieces 15 and 16 has convex portions and concave portions corresponding to the irregularities of the inner peripheral surfaces of the openings 5 and 6, and the area of the outer peripheral surface is enlarged. , 16 has a high effect of evaporating the condensed water absorbed.

  Further, the die-cut piece 15 in the shape of a snow crystal and the die-cut piece 16 in the shape of a rabbit are highly decorative, so that the aesthetics are improved. In particular, since the openings 5 and 6 and the die-cutting pieces 15 and 16 are in a negative and positive relationship, the aesthetics are further improved by arranging them side by side.

(Experimental example 1)
Next, in order to verify the drying speed of the condensed water absorbing tape 1 of the present invention, the drying speed is compared based on the presence or absence of a die-cut piece.

  In the sample I shown in FIG. 5, the nonwoven fabric 21 (the material of the absorbent layer 2 described above) in a state where the above-described die-cut pieces 15 and 16 are put in the openings 5 and 6 is placed on the transparent film 20. It is the one arranged. In addition, as the nonwoven fabric 21, the one without the decorative protrusion 17 on the upper surface is used.

  A sample II shown in FIG. 6 is obtained by removing the aforementioned die-cut pieces 15 and 16 of the nonwoven fabric 21 of FIG. 5 from the openings 5 and 6 and pasting them around the nonwoven fabric 21.

  The total weight ratio of the weights of the punched pieces 15 and 16 to the total weight of the nonwoven fabric 21 is about 9.3%.

  The nonwoven fabric 21 and the die-cut pieces 15 and 16 of the above two samples I and II are impregnated with water, and the change in the moisture content is measured in an environment at room temperature (about 25 ° C.). FIG. 7 is a graph showing the change over time in the moisture retention rate R obtained from the measurement results. Curves I and II in FIG. 7 correspond to the experimental results for samples I and II, respectively.

  As shown in the graph of FIG. 7, after the elapsed time t is 350 minutes, the sample II in which the die-cutting pieces 15 and 16 are taken out of the openings 5 and 6 does not take out the die-cutting pieces 15 and 16. It shows that the moisture retention is lower by about 5% than Sample I.

  Further, FIG. 8 shows a graph showing the change over time of the moisture retention rate R in a high temperature (about 50 ° C.) environment by impregnating two samples I and II with water. It can be seen that the moisture retention rate rapidly decreases compared to the room temperature environment of No.7. In the experimental result of Sample II in FIG. 8, the moisture retention rate became 0% after an elapsed time of 200 minutes (t1).

(Experimental example 2)
Next, as another experimental example, the drying speed due to the difference in the outer peripheral design of the condensed water absorbing tape 1 is compared.

  In Sample III shown in FIG. 9, two rod-like (horizontal rectangular) non-woven fabrics 23 (the material of the absorption layer 2 described above) are arranged on the transparent film 22.

  In the sample IV shown in FIG. 10, the two nonwoven fabrics 24 having the above-mentioned decorative projections 17 added with a slightly gentle upper surface are arranged on the transparent film 22 so that these decorative projections 17 face each other. It is a thing.

  The non-woven fabric 23 of the sample III and the non-woven fabric 24 of the sample IV are estimated to have the same area because the overall weight is almost the same.

  The nonwoven fabrics 23 and 24 of the above two samples III and IV are impregnated with water, and the change in moisture content is measured in an environment at room temperature (about 25 ° C.). FIG. 11 is a graph showing the change over time in the moisture retention rate R obtained from the measurement results. Note that curves III and IV in FIG. 11 correspond to the experimental results for samples III and IV, respectively.

  As shown in the graph of FIG. 11, after the elapsed time t of 290 minutes, the moisture retention rate of the sample IV having a complicated shape having the decorative protrusion 17 was about 5% lower than that of the rod-shaped sample III. Is shown.

  Furthermore, FIG. 12 shows a graph showing the change over time of the moisture retention rate R in a high temperature (about 50 ° C.) environment by impregnating two samples III and IV with water. It can be seen that the moisture retention rate is rapidly reduced as compared with the room temperature environment of No. 11. In the experimental result of Sample IV in FIG. 12, the moisture retention rate became 0% after an elapsed time of 260 minutes (t2).

DESCRIPTION OF SYMBOLS 1 Condensation water absorption tape 2 Absorbing layer 2a Side surface 2b Lower surface 2c Upper surface 3 Adhesive layer 4 Release sheet 5, 6 Opening 7 Convex part 8 Concave part 9 Peripheral surface enlarged part 10 Convex part 11 Concave part 12 Perimeter surface enlarged part 13 14 oblique sides 15 and 16 die-cutting pieces 17 decorative protrusions 18 peripheral surface enlarged portion

Claims (2)

An absorbent layer for absorbing condensed water;
An adhesive layer provided on one surface of the absorbent layer,
At least the outer peripheral surface of the absorbent layer is formed with a peripheral surface enlarged portion that expands the area of the peripheral surface of the absorbent layer,
The peripheral surface enlarged portion has a portion inclined with respect to the long side of the absorbent layer over the entire length of the short side on both sides of the absorbent layer.
Tape for absorbing condensed water. The peripheral surface enlarged portion is formed on at least a part of the upper long side of the absorption layer,
The condensed water absorbing tape according to claim 1.

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