KR20120084270A - Cooling mat - Google Patents

Abstract

PURPOSE: A cooling mat is provided to effectively and simply absorb the heat of the human body and to prevent the sense of incongruity to the head or cervix. CONSTITUTION: A cooling mat comprises an upper face material(2), a lower face material(3), and an intermediate material. The upper face material comprises an outer layer sheet(5) which is made of polyester, and an internal layer sheet(6) which is made of polyvinyl chloride. The lower face material comprises an outer layer sheet(7) which is made of polyester, and an internal layer sheet(8) which is made of polyvinyl chloride. The intermediate material comprises water, sodium sulfate, sodium chloride, and carbon powder(10).

Description

Cool feeling mat {COOLING MAT}

TECHNICAL FIELD The present invention relates to a cold feeling mat capable of absorbing heat easily and effectively and eliminating the solidification of grains of an intermediate material without cooling in a refrigerator or using ice.

At night, when it is difficult to fall asleep in summer, a cold pillow or ice pillow is placed under the head or neck to provide a good night's sleep. In a general cold pillow, a gel-like coolant is accommodated and used in a state of being cooled in a refrigerator. In addition, the ice pack pillow is used by storing water and ice in the ice pack to cover a towel or the like.

However, in the general cold pillow, there is a problem that the cold insulating material melts during use, and the cold storage effect is lowered. In addition, the sleeping bag pillow was troublesome until it was ready for use and had to add new ice when the ice melted.

In response to these problems, the present applicant has already filed a cooling mat that can absorb heat simply and effectively without cooling in a refrigerator or using ice (see Patent Document 1, for example).

Patent Document 1 includes an intermediate material sandwiched between an upper surface material, a lower surface material, and an upper surface material and a lower surface material, and the intermediate material is calcium chloride hexahydrate. The cold feeling mat which consists of these is disclosed, and this upper surface material and lower surface material are heat-welded by the ultrasonic processing.

In addition, as a prior art related to the said cooling feeling mat, the cooling feeling mat 6 which can eliminate the discomfort of an intermediate material immediately after use by this applicant is also applied (for example, refer patent document 2).

Patent Literature 2 discloses a cold feeling mat having an upper surface material, a lower surface material, and an intermediate material sandwiched between the upper surface material and the lower surface material, wherein the intermediate material includes sodium sulfate hydrate and sodium chloride.

Utility Model Registration Publication No. 3171548 (Scope of Claim for Utility Model Registration, etc.) Utility Model Registration Publication No. 3157824 (Scope of Claim for Utility Model Registration, etc.)

In the cold feeling mat described in Patent Document 1, by using calcium chloride hexahydrate as an intermediate material, it can be produced at a low cost, and it is easy and effective to heat up without cooling in a refrigerator or using ice. There is an advantage that it becomes possible to absorb these. However, such a cold feeling mat has a problem that the grains of the intermediate material become large in a state where it is not used, and therefore, the discomfort to the head or neck is felt immediately after use while the intermediate material is melted.

In addition, in the cold feeling mat described in Patent Document 2, by using sodium sulfate hydrate and sodium chloride as the intermediate material, the discomfort feeling of the intermediate material as described above immediately after use can be eliminated, but the occurrence of some crystals cannot be avoided. It was not enough to completely resolve the discomfort.

Therefore, the object of the present invention is to solve the above problems, to absorb the body heat simply and effectively, without cooling in the refrigerator or using ice, and to solve the solidification of the crystal grains of the intermediate material, tofu Or a cooling mat that does not cause discomfort to the neck.

In order to solve the said subject, the cooling feeling mat of this invention is a cooling feeling mat provided with an upper surface material, a lower surface material, and the intermediate material pinched between the said upper surface material and the lower surface material. , The intermediate material is a mixture of water, sodium sulfate, sodium chloride and carbon powder.

Moreover, in the cooling feeling mat of this invention, it is preferable that the compounding quantity of carbon powder is 0.5 to 5% mass with respect to the whole intermediate material.

Moreover, in the cold feeling mat of this invention, it is preferable that the said upper surface material and the lower surface material are heat-welded by high frequency processing. In this case, it is preferable to form a plurality of linear thermal welds formed by high frequency processing at intervals, and the linear thermal welds are preferably parallel to the mat longitudinal direction or the width direction.

Moreover, in the cooling feeling mat of this invention, it is preferable that the waterproofing process is given to the said upper surface material and / or lower surface material, and it is also preferable that the said upper surface material and / or the lower surface material is subjected to the anti-finishing process.

According to the present invention, it is possible to absorb the body heat simply and effectively without cooling in a refrigerator or using ice, and to eliminate the solidification of the crystal grains of the intermediate material, and to prevent discomfort to the head or neck. It is also possible to realize.

In addition, by heat-welding the upper and lower surface materials in a plurality of linear shapes parallel to the mat length direction or the width direction by high frequency processing, the intermediate material can be deflected during use and can be folded small. It becomes easy.

In addition, by providing the upper and / or lower surface material with waterproofing or antifogging, the effect of preventing mold or miscellaneous generation by moisture is also obtained.

BRIEF DESCRIPTION OF THE DRAWINGS It is an overall perspective view which shows one suitable example of the cold feeling mat of this invention.
FIG. 2 is an enlarged cross-sectional view of the cold feeling mat shown in FIG. 1. FIG.
3 (a) shows a state after cooling of the conventional intermediate material, and FIG. 3 (b) shows a state after cooling of the intermediate material in the present invention.

EMBODIMENT OF THE INVENTION Below, the Example of a cold feeling mat in this invention is described based on drawing.

 The full perspective view of one suitable example of the cooling feeling mat 1 of this invention is shown in FIG. 1, and the expanded sectional drawing is shown in FIG. The cold feeling mat 1 shown is the intermediate | middle material pinched between the upper surface material 2, the lower surface material 3, and these upper surface materials 2 and the lower surface material 3. (4), the intermediate material (4) consists of water, sodium sulfate, sodium chloride, and carbon powder (10).

By setting it as such a structure, the cooling feeling mat 1 of this invention can absorb a body heat simply and effectively, without cooling in a refrigerator or using ice. In addition, by blending the carbon powder 10, it is possible to satisfactorily eliminate the solidification of the crystal grains of the intermediate material 4, and does not cause discomfort to the head or neck. .

In order to acquire the desired effect of this invention, it is preferable to make sodium sulfate 30-90 mass parts and sodium chloride 10-40 mass parts with respect to 100 mass parts of water. Moreover, it is preferable that carbon powder is 0.5-5 mass% with respect to the whole intermediate material, Especially preferably, it is about 1-3 mass%.

In the example shown in figure, both the upper surface material 2 and the lower surface material 3 consist of a two-layered structure. The upper surface material 2 consists of the outer layer sheet 5 which consists of polyester arrange | positioned at the outer side, and the inner layer sheet 6 which consists of vinyl chloride arrange | positioned at the inside, and the lower surface material 3 is a poly which is arrange | positioned at the outer side. It consists of the outer layer sheet 7 which consists of ester, and the inner layer sheet 8 which consists of vinyl chloride arrange | positioned inside. The outer layer sheet 5 and the inner layer sheet 6 constituting these upper surface materials 2, and the outer layer sheet 7 and the inner layer sheet 8 constituting the lower surface material 3 are each bonded through a hot melt adhesive. It is. In addition, the peripheral part of the upper surface material 2 and the lower surface material 3 is joined by the heat welding process.

Between the upper face material 2 and the lower face material 3, the intermediate material 4 which is a mixture which consists of water, sodium sulfate, sodium chloride, and carbon powder 10 is thrown in as mentioned above.

Sodium sulfate is commonly used as a desiccant and is known as a material having high safety for the human body. In addition, the aqueous solution of sodium sulfate continues to increase in proportion to the temperature until heating up to about 32 ℃, but when it reaches this temperature, the anhydride (Na ₂ SO ₄ ~ 10H ₂ O) is not a crystal as a hydrate (Na ₂ SO 4-10H ₂ O) It changes to crystal (Na ₂ SO ₄ ) as non-water thing. In addition, when sodium sulfate changes from a hydrate to an anhydride, by absorbing the surrounding heat and lowering the temperature, a high effect as a cold agent is obtained.

According to the present invention, sodium sulfate is added as a part of the intermediate material 4, and the cold feeling mat 1 using the intermediate material 4 is placed in the lower part of the body, whereby the temperature of the aqueous sodium sulfate solution is increased by body temperature. In addition, a change from hydrate to anhydride occurs. Thereby, since the cooling feeling mat 1 absorbs the heat | fever which generate | occur | produces from a body efficiently, a user can obtain a comfortable cooling feeling.

In addition, the sodium chloride which comprises the intermediate material 4 with sodium sulfate can use suitably what is consumed industrially in large quantities.

By mixing sodium chloride as part of the intermediate material 4, it becomes possible to eliminate the discomfort of the intermediate material 4 immediately after use without causing the intermediate material 4 in a crystalline state to be allerified.

In addition, by blending the carbon powder 10 into the intermediate material 4, the carbon powder 10 is disposed between the particles of sodium sulfate and sodium chloride when the intermediate material 4 absorbs the heat of the surrounding body, thereby solidifying the crystal grains. It can prevent. The carbon powder 10 may be formed in the form of a powder of carbon charcoal such as black charcoal or charcoal or organic matter such as bamboo charcoal, activated charcoal or palm charcoal, and is not particularly limited. In addition, the carbonized graphite may be used as a powder.

In the cold feeling mat 1 of the present invention, the carbon powder 10 is uniformly dispersed and mixed in a mixture of water, sodium sulfate and sodium chloride. In addition, although the particle size of the powder of the carbon powder 10 is not specifically limited, It is preferable that it is 2-200 micrometers.

As shown in FIG. 2, in the cold feeling mat of this invention, the upper surface material 2 and the lower surface material 3 are heat-welded suitably by high frequency processing. High frequency processing is welding processing which melt | dissolves and couples a part of to-be-welded by applying high frequency energy to a heat-welding material. By using high frequency processing, the heat welding part 9 is formed in the place which thermally welded the upper surface material 2 and the lower surface material 3 to it.

It is preferable to form the heat welding part 9 in the circumference | surroundings of the upper surface material 2 and the lower surface material 3, and in several places inside it. As shown in the figure, by forming the heat welded portion 9 in a plurality of linear shapes parallel to the mat longitudinal direction, the intermediate member 4 is prevented from occurring during use. Moreover, since formation of the heat welding part 9 also makes it possible to fold the cold feeling mat 1 in three stages or in six stages, the merit that carrying or storing becomes easy is also obtained.

In addition, the upper surface material 2 and / or the lower surface material 3 are waterproofed. By waterproofing the upper surface material 2 and / or the lower surface material 3, sweat due to sweating from the body penetrates into the intermediate material 4, and the intermediate material 4 is not leaked out, and the moisture is prevented. The effect of preventing the occurrence of mold or various bacteria by is obtained. Waterproofing is a process of covering or hydrophobizing the surface with a waterproofing material to prevent the penetration of water, and materials such as fats and oils, liquid synthetic resin, and silicone are used. Waterproofing is performed on the surface of the outer layer sheet 5 of the upper surface material 2 and the surface of the outer layer sheet 7 of the lower surface material 3, respectively.

Moreover, it is preferable to perform anti-finishing process to the upper surface material 2 and / or the lower surface material 3. By performing anti-finishing process on the upper surface material 2 and / or the lower surface material 3, it can prevent mold or a variety of bacteria from generate | occur | producing on the surface of the cooling feeling mat 1. Anti-foaming can be performed by applying natural antibacterial agents such as silver, copper, zinc, zeolite, chitosan, or inorganic materials such as titanium oxide or by placing them in a sheet.

The cold feeling mat 1 of the present invention can be widely used for a bed pad or a yaw pad, a cushion pad or the like as well as a pillow to be placed under the head or neck in order to have a comfortable sleep in a summery night or the like. In addition, by laying under the notebook, it is also possible to absorb the heat emitted from the computer and to realize its use under suitable conditions.

In addition, the size of the cooling feeling mat 1 of this invention is not specifically limited, It can be set as a suitable dimension according to a use from the small type used for a pillow to the large size used for a bed pad. As an example, it is possible to form a cooling pad from a small pad of 30 cm x 15 cm to a large pad of 90 cm x 140 cm.

[Experimental Example]

EMBODIMENT OF THE INVENTION Below, this invention is demonstrated based on an experiment example.

 The intermediate material (4) of the mixture which mix | blended the ratio (mass ratio) of water, sodium sulfate, sodium chloride, and a carbon powder with 55.0: 36.3: 6.3: 2.4 was prepared.

(A) of FIG. 3 is an intermediate material 4 in which the carbon powder 10 is not blended in the intermediate material 4 for comparison, and (b) is a mixture of the carbon powder 10 in the intermediate material 4. As the said intermediate | middle material 4, it hold | maintains at 60 degreeC for 2 hours in a thermal insulation case, and shows the state hold | maintained at 25 degreeC after that for 2 hours.

As shown in the figure, solidified grains 11 were detected in the intermediate material 4 to which the carbon powder 10 was not blended, whereas crystal grains were not found in the intermediate material 4 to which the carbon powder 10 was blended. .

In addition, when the difference between the dissolution temperature and the solidification temperature is increased and the solidification time is set longer, the amount of the solidified crystal grains 11 in the intermediate material 4 not blended with the carbon powder 10 increases, resulting in uneven texture. However, the degree of change was not seen in the intermediate material 4 according to the present invention incorporating the carbon powder 10.

1: cold feeling mat
2: upper surface material
3: back material
4: intermediate material
5: outer layer sheet
6: inner layer sheet
7: outer layer sheet
8: inner layer sheet
9: heat welding part
10: carbon powder
11: grain

Claims (6)

In the cold feeling mat provided with an upper surface material, a lower surface material, and the intermediate material pinched between the said upper surface material and the lower surface material,
Cooling mat, characterized in that the intermediate material is a mixture of water, sodium sulfate, sodium chloride and carbon powder.
The method of claim 1,
Cooling mat of the said carbon powder compounding quantity is 0.5-5 mass% with respect to the whole intermediate material.
The method of claim 1,
The cold feeling mat by which the said upper surface material and the lower surface material are heat-welded by a high frequency process.
The method of claim 3, wherein
The heat-welded part formed by the high frequency processing is the linear feeling parallel to the mat longitudinal direction or the width direction, and is formed in multiple numbers at intervals.
The method according to any one of claims 1 to 4,
At least one of the said upper surface material and the said lower surface material is a cold feeling mat which waterproofing is given.
The method according to any one of claims 1 to 4,
The cooling feeling mat in which the anti-finishing process is given to at least one of the said upper surface material and the said lower surface material.

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