KR100504677B1 - A thermal insulation 4 layer breathable fabric having the self temperature control function - Google Patents

Abstract

The present invention relates to a temperature-controlled exothermic waterproof fabric having a four-layer structure having a surface layer (1), a moisture permeable waterproof layer (2), a temperature regulating layer (3), and a heat generating layer (4).

The present invention provides a wind-proof, waterproof, moisture-permeable function, and a phase change material (PCM) of a surface layer (1) composed of a filamentous yarn having a water repellent function and a moisture-permeable waterproof layer (2) laminated with a hydrophilic membrane (3). It relates to a moisture-repellent waterproof fabric having a four-layer heat-generating, insulating function consisting of a heat generating layer (4) made of a conductive material.

The fabric of the present invention is powered by an ultra-small membrane battery, and exhibits excellent heat, temperature control and water repellency, windproof, waterproof, and moisture permeability even in cold weather, and is suitable for winter sports clothing.

Description

A thermo insulation 4 layer breathable fabric having the self temperature control function}

The present invention relates to a temperature controlled exothermic waterproof fabric having a four-layer structure.

Recently, the waterproof fabric is manufactured by attaching a porous or hydrophilic non-porous membrane to one side of a fabric or additionally attaching a lining. This technology is intended to improve the hard touch problem of the conventional moisture-proof waterproof fabric manufactured by the wet direct coating method and the disadvantage of not providing the moisture-proof waterproof function to the knit, and is widely used in soft touch and knit. It has the advantage of being applicable. However, the moisture-permeable waterproof fabric with high moisture permeability during intense exercise, condensation (結 露) occurs, the comfort is reduced and there is no warming function does not provide a satisfactory warming function at temperatures below zero.

On the other hand, the applicant filed "breathable moisture-proof blister with quick-drying moisture absorption" (Application No. 2001-2001, filed on Jan. 13, 2001) proposes a method of manufacturing a three-layer breathable waterproof bubble attached with a lining paper using a release cross-section yarn The above technique is to improve the absorption function of the lining paper, there is no heat generation function or temperature control function can not maintain the body temperature in the cold weather, and also the comfort is reduced. In addition, the "heating fiber sheet with temperature control" filed by the applicant (application number: 2003-0015886 2003. 03. 13 application) is for the purpose of temperature control function, heat-generating fiber, and windproof, it does not have a waterproof function Not suitable for

The present invention maintains the high water resistance and high moisture permeability of the conventional moisture-permeable waterproof fabric, and at the same time, sweat remaining on the skin during exercise is evaporated and dried by using a heat function to improve comfort and provide a warm fit even in cold times. It is to suppress the temperature rise by using phase change material and to extend the warming time by using the absorbed heat energy even when the power supply is stopped from the outside.

An object of the present invention is a material such as conductive carbon, gold, silver, copper, nickel, etc., which has excellent conductivity on one side of a fabric (A) and a knit or tricot bonded to one side of a fabric made of water-repellent chemical fiber. Fabric (B) coated on the opposite side and coated with a phase change material on the opposite side thereof was laminated with a hydrophilic polyurethane adhesive such that the moisture-permeable waterproof layer (2) of the fabric (A) and the temperature control layer (3) of the fabric (B) abut each other. After supplying power through micro battery, it is to express water repellency, windproof, waterproof, moisture permeability, heat generation, and temperature control function at the same time.

The present invention relates to a temperature controlled exothermic waterproof fabric having a four-layer structure. More specifically, the surface layer (1) consisting of a water-repellent fabric or knitted fabric, the moisture-permeable waterproof layer (2) consisting of a hydrophilic non-porous polyester or polyurethane membrane, the temperature control layer (3) consisting of a phase change material (PCM), conductive It is characterized by having a heat generating layer 4 made of a material.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, it should be noted that in the drawings, the same components or parts denote the same reference numerals as much as possible. In describing the present invention, detailed descriptions of related well-known functions or configurations are omitted in order not to obscure the subject matter of the present invention.

The surface layer 1 uses water repellent or knitted fabric. In order to improve the warmth and windproofness, it is preferable to design the fabric type fabric so that the sum of the inclination density and the weft density is 250 or more inches / inch, and in the case of the knitting type, a brush is formed on one side of the fabric to provide air to the brush layer. It has a heat insulation function. The layer is treated with a water-repellent process on the surface of the fabric imparts contamination prevention and water repellent.

The water vapor barrier 2 is composed of a polyester or polyurethane membrane. Water-permeable waterproof processing is largely divided into wet coating and dry coating according to the working method, and also divided into direct coating method and laminate coating method according to the use of release paper. The present invention maintains soft touch (soft touch) and knits. In the case of the micro porus type, when the membrane is laminated with an adhesive in a four-layer method, the pores are blocked by the adhesive component and the moisture permeability may be reduced. Because of this size, a non-porous hydrophilic membrane was used.

The present invention is laminated in the form of dots by an adhesive made of hydrophilic polyurethane resin in the order of the surface layer (1), the moisture-permeable waterproof layer (2), the temperature control layer (3), and the heat generating layer (4) to maintain the maximum soft touch. Can be.

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The temperature control layer 3 is composed of a phase change material. A phase change material (PCM) refers to a material that absorbs or releases a lot of heat while changing phase from solid to liquid or liquid to solid at a specific temperature.

In this way, the heat that the phase-transfer material absorbs or emits while maintaining the same temperature during phase transition is called latent heat. Even though a considerable amount of kinetic thermal energy is absorbed, the phase-transfer material is coated with a conductive material by changing only its phase from solid to liquid without raising the temperature. Excess heat energy of the heat generating layer 4 is absorbed to prevent heat loss.

On the contrary, the phase transferred to the liquid turns into a solid and releases a lot of heat energy absorbed into the body to maintain warmth for a long time even if the power supply is interrupted.

Phase transition temperature can be set in various ways, but 15 ℃ ~ 35 ℃ is suitable for the human body. The phase transition temperature is determined by the melting point of the phase transition material. If the melting point is less than 15 ° C. or more than 35 ° C., it is difficult to adjust latent heat due to body temperature during exercise.

The content of the phase change material is suitably 5 to 90 g / m 2. If the content of the phase change material is less than 5g / ㎡ the function is lowered, if the content exceeds 90g / ㎡ the price rises, the economical efficiency is lowered and the fit is reduced.

The temperature control layer 3 has a function of suppressing the temperature rise of the heat generating layer 4 to prevent the heat consumption rate and to maintain the heat retaining function for a long time even when the power supply is interrupted.

The heat generating layer 4 is made of a conductive material.

The conductive material may be one or more selected from the group consisting of gold, silver, nickel, copper, and conductive carbon having excellent electrical conductivity due to low resistivity, and may be manufactured by coating the opposite side of the fiber coated with a phase change material with the material. can do.

The fiber of the present invention attaches a soft metal sheet 5 to both ends of the heat generating layer 4, Current, on the other side It can be used after connecting current and supplying power.

Hereinafter, the present invention will be described in detail through examples.

However, the present invention is not limited to the following examples.

(Example)

A hydrophilic non-porous membrane (moisture-permeable layer: ②) is bonded to a water-repellent nylon fabric (surface layer: ①) having a sum of warp and weft densities of 260 bones / inch, and conductive carbon is coated on one side of the nylon tricot fabric (temperature control). Layer: ③) and on the other side, a phase-transfer material (PCM) is applied (heating layer: ④), and then the moisture-permeable waterproof layer 2 and the temperature control layer 3 are brought into contact with each other to be laminated with an adhesive made of a hydrophilic resin. Then, a soft metal sheet having excellent conductivity is installed at both ends of the heat generating layer 4 in a size of 2 x 40 cm. Current, on the other side After connecting the current, the power was supplied by a thin film ultra-compact battery to evaluate physical properties.

Comparative Example

The same hydrophilic non-porous membrane was bonded to the same fabric as the fabric of the surface layer (1) of Example, and then laminated with an adhesive made of nylon tricoat fabric and a hydrophilic resin to evaluate physical properties.

When the hydrophilic membrane of the same performance is used, the reason why the moisture permeability is higher than that of the comparative example is that the relatively high temperature of the skin contact surface (heating layer: ④) is presumably because the amount of moisture that penetrates the fabric increases. . Therefore, there is no condensation during intense exercise, providing a comfortable fit. In addition, even if the power supply is stopped it can be seen that there is a heat retaining function because it re-radiates the heat stored in the phase-transfer material present in the embodiment to the human body.

The fabric of the present invention can solve the problem that the condensation phenomenon occurs when the amount of exercise increases even if the moisture permeability of the conventional moisture-permeable waterproof fabric is increased by the heating function. In addition, it can provide heating function by supplying external power even in cold weather, and use the phase change material (PCM) constituting the temperature control layer (3) to radiate the stored heat to the human body even after external power supply. Suitable for

Although the present invention has been described with reference to the embodiments illustrated in the accompanying drawings, this is merely exemplary and can be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. will be. Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

1 is a side schematic view of a fabric according to the present invention.

Figure 2 is an illustration of a method of using the fabric according to the present invention.

<Description of Symbols for Main Parts in Drawings>

1. Surface layer

2. Water vapor barrier

3. Temperature control layer

4. Heating layer

5. Metal Sheet

Claims (5)

The surface layer (1) is composed of a high-density fabric or a knitted fabric fabric treated with water repellent treatment, and the moisture-permeable waterproof layer (2) is composed of a hydrophilic nonporous membrane. And a four-layer structure in which each of these layers is sequentially laminated with a hydrophilic polyurethane adhesive after the conductive material is applied. The method of claim 1, The conductive material is gold, silver, nickel, copper and conductive carbon temperature controlled heat-generating moisture-permeable waterproof fabric having a four-layer structure, characterized in that at least one selected from the group consisting of. The method of claim 1, Temperature-controlled exothermic waterproof fabric having a four-layer structure, characterized in that the content of the phase transition material is 5 ~ 90g / ㎡. The method of claim 1, A temperature controlled exothermic waterproof fabric having a four-layer structure, characterized in that the melting point of the phase transition material is 15 ℃ to 35 ℃. The method of claim 1, Temperature controlled heat-generating moisture-permeable waterproof fabric having a four-layer structure that operates by supplying external power after installing a metal sheet attached to the heat generating layer (4).