KR101372797B1 - Incombustible and breathable reflective insulation materials with easy installing - Google Patents

Abstract

The present invention relates to a non-combustible moisture-permeable heat reflection heat insulating material excellent in workability, spraying a hot melt adhesive 23 having a weight per area of 5 to 15 g / m ² on one side of the inorganic fiber-based heat insulating material (1) in a fibrous partial adhesive form Thereby adhering the lower heat reflection layer 32; On the other side of the inorganic fiber-based heat insulating material (1) is sprayed hot melt adhesive 22 having a weight per area of 5 ~ 15g / m ² in a fibrous partial adhesive form to the moisture-permeable waterproof resin layer (4) on the outer surface 10 ~ adhered to the reinforcement layer (6) coated with a weight of 30g / m ^2, and then, a moisture permeable waterproof property can be surface coating weight is 5 ~ 15g / m ² of hot-melt type fibrous part adhesive type adhesive (2) in the resin layer 4 Insulating material is formed by adhering the upper heat reflection layer 31 by spraying to, the total adhesive content used in the heat insulating material is 15 ~ 45g / m ² , the diameter of the hole 50 to 1000 in the upper heat reflection layer 31 Form micropores 51 having a thickness of 30 to 100 / cm ^2, and form micropores 52 having a diameter of 50 to 1000 µm to 10 to 50 / cm ² in the lower heat reflection layer 32. It is characterized by that.
In addition, the inorganic fiber-based heat insulating material (1) is a nonwoven felt made of A, C, E, S-glass, silica fibers or any one selected from mineral wool and rock wool, the moisture-permeable waterproof film (4) is polyethylene , Polypropylene, polyvinyl alcohol, polyvinyl chloride, a thermoplastic polyester block copolymer elastomer, a thermoplastic polyamide block copolymer selected from the group consisting of two or more mixed resins, the moisture-permeable waterproof coating coated on the reinforcing layer (6) The ground layer 4 is any one or more selected from the group consisting of polyurethane or polyetheramide copolymers, and the reinforcement layer 6 is any one selected from woven fabrics, nonwoven fabrics and meshes having a weight of 300 g / m ² or less. It is characterized by one or more.
In addition, the upper and lower heat reflection layers 31 and 32 are upper and lower heat reflection layers 31 and 32. The aluminum and the organic film or the nonwoven fabric are laminated on the composite film, organic film or nonwoven fabric. It is characterized in that any one selected from the deposited deposition reflecting film.
The non-combustible moisture-permeable water-resistant heat reflection insulating material excellent in workability of the present invention by forming a double upper and lower heat reflection layer (31) (32) does not impair air permeability and moisture permeability and exhibits sufficient waterproofness, the large water droplets are 50㎛ or more in size In the case of the upper heat reflection layer 31 formed with 10 or more pores / cm ² and the pressure is present, even if water droplets pass through the upper heat reflection layer 31, the water-permeable waterproof resin layer 4 directly below Are fully defended by In the lower heat reflection layer 32 having 10 pores / cm ² or more of pores having a size of 50 μm or more, moisture and external moisture can pass freely while maintaining the heat reflection function, so that both surfaces of the heat insulating material are heat reflective as a whole. It has the effect of having a perfect waterproof breathable function at the same time.
In addition, the non-combustible moisture-permeable waterproof reflecting heat insulating material excellent in workability of the present invention exhibits perfect non-combustible characteristics even in the non-combustible test because the adhesive used as a whole in the heat insulating material 45g / m ² or less, the inorganic fiber-based heat insulating material (1) ) Is a high thermal barrier property, and the heat reflection layers 31 and 32 on the surface can be composed of a moisture-permeable heat-resistant heat reflection insulating material having excellent insulation against radiant heat due to high reflectivity and low emissivity. It can be usefully applied at the same time, and excellent tensile strength and tearing strength by reinforcing layer 6 coated with moisture-permeable waterproof resin layer 4, and excellent fixing force by fixing device during construction. After installation, it is possible not only to prevent damage around the fixing device due to weight or wind, but also when installing the fixing device. It is easy to install because fixed intervals can be used wider than weaker products, and there is no breakage or damage even if people or objects are inevitably touched during construction work before finishing for protection during or after construction. It has the effect of improving.

Description

Incombustible and breathable reflective insulation materials with easy installing

The present invention mainly relates to non-combustible moisture-permeable waterproof heat reflection insulation having excellent workability, which is used for building, and promotes various complex functionalizations to reinforce insulation as the requirements for insulation performance of insulation are recently reinforced. Among them, the existing thermal insulation is to realize the combined functionalization of non-combustible, moisture-permeable, heat reflective, and at the same time, the level of improvement of the function is very excellent. This composite functionalized thermal insulation material can be used not only for reinforced concrete tanks, which are mainly used in Korea, but also for building structures such as wooden and steel tubs, and also for industrial, appliance, automobile, and marine applications.

Conventional heat insulators are materials which target only thermal conduction by heat conduction, and typical heat insulators include foamed heat insulators of various organic materials such as polystyrene foam, polyethylene foam, polypropylene foam, polyurethane foam, rubber foam, and polyethylene terephthalate or polypropylene fiber. Organic fiber based nonwoven fabric or felt type insulation material and inorganic fiber based nonwoven fabric or felt type insulation material such as glass wool, rock wool and glass filament were the most common thermal insulation materials. Such a conventional heat insulating material has been divided into the term heat insulating material because of the low thermal conductivity and the thickness exhibits excellent heat insulating properties.

In recent years, the performance of insulation materials has been strengthened in order to improve energy efficiency and reduce consumption. Insulation materials based on existing conduction have to be increased in thickness to improve performance. By utilizing controllable heat reflection, efficient thermal insulation can be improved. The heat reflection function is able to block about 90% of the heat introduced into the radiation form in the surface reflective layer, thereby exerting the insulation effect that the volume insulation material does not have. Therefore, in the recent heat insulating material market, the existing volume insulation material and heat reflection material are combined. Many products are being launched and the market size is expanding rapidly.

On the other hand, Korean Patent Laid-Open Publication No. 10-2001-0091178 (published date: Oct. 23, 2001) repeatedly fabricates an aluminum-treated reflective layer on a surface of a conventional foam insulation such as polyethylene foam or polystyrene foam having a constant thickness. Although a multi-layered heat insulating material is proposed, such a heat insulating material has problems in construction and incombustibility deterioration due to excessive organic content. In addition, the Republic of Korea Utility Model Publication No. 20-0021592 proposes a heat insulating material that is repeatedly arranged a non-woven fabric, a synthetic resin film, an aluminum deposition layer, a synthetic resin film, but still has a poor non-combustibility and excellent heat insulation compared to a complex structure There is a problem.

In order to solve the above problems, the Republic of Korea Patent Publication No. 10-2005-0090628 (published: Sep. 14, 2005) in the upper portion of the non-combustible insulation layer composed of carbon fibers and silica fibers is placed in the non-woven fabric and aluminum foil layer The lower part proposes a building non-combustible insulation board in which an aluminum pearl layer and a chemical fiber insulation layer are placed, but only carbon fiber and silica fiber, which are some of the components constituting the insulation, are non-combustible, and most of the other components are not non-combustible, so excellent non-combustibility is expected. Difficult to do And Korea Patent Publication No. 10-2005-0056625 (published: June 16, 2005) proposes an eco-friendly insulation for construction in which the upper part of the PE or PP woven fabric is coated, the lower part is bonded aluminum foil with a hot melt adhesive. However, it is difficult to expect non-combustibility due to the excessive amount of organic matter, and also has a disadvantage in that heat insulation is not excellent. In addition, the Republic of Korea Utility Model Publication No. 20-0256906 (Registration date: November 26, 2001) proposes a structure in which a glass fiber layer and a heat reflection insulating layer having an air pocket on the stone surface bonded with an epoxy adhesive, In the present invention, glass fiber is used for the purpose of reinforcing stone, and the heat reflection insulating layer having the air bag has a problem of poor incombustibility due to the components mainly composed of polyolefin.

Therefore, through the Korean Registered Utility Model Publication Nos. 20-0409424 and 20-0409425 (Registration Date: Feb. 15, 2006), we formed fine holes in the heat reflection layer on the surface made of aluminum, It is proposed a non-combustible heat reflection insulation bonded using a hot melt adhesive of / m ² or less, which is sufficiently moisture-permeable but not waterproof and non-combustible, so that moisture may penetrate into the insulation after construction. In addition, it is difficult to develop stable incombustibility in contact with flames, and it is easily fixed to small external force due to lack of strength of components when fixing using various fixing devices on walls, ceilings, roofs, etc. Is damaged, and the surface is easily damaged by shoe prints when the constructor moves on the constructed product. The suffers.

In order to solve this problem, the present inventors reduce the amount of heat insulator by strengthening the heat insulation compared to the existing heat insulator, and add moisture permeability and waterproof to maintain the heat insulation performance of the heat insulator for a long time and at the same time, due to moisture absorption of the heat insulator or building structure The present invention proposes a multifunctional insulating material which is easy to install and hardly breaks during construction by increasing the tensile strength and tearing strength while improving the non-flammability and improving the incombustibility.

First, in terms of non-combustible reinforcement, the existing building insulation is mainly used organic bulk insulation such as styrofoam, foamed polyethylene, urethane, etc., and inorganic fiber-based insulation such as glass wool, mineral wool, etc. are mainly used in the overseas housing market. . The organic system used in Korea is light and easy to install, but due to the rapid flame propagation in case of fire and the toxic gas generated during combustion, many lives are damaged, causing many social problems in Korea. Due to these drawbacks, inorganic fiber-based insulation materials, which are somewhat more safe for fire than organic materials, are used abroad. However, these inorganic insulation materials must include organic binders in the manufacturing process, and thus, there is a limitation in showing complete non-combustibility. Since it is difficult to satisfy nonflammable certification, performance supplementation that satisfies various items of nonflammable certification is necessary.

In addition, the reason why the composite of waterproof is required for the conventional insulation is mainly used in the interior of the building structure or the wall under the name of the insulation market, but recently, due to the trend of strengthening the insulation standards Exterior insulation construction method that is applied to the outside is attracting attention. In the case of the external insulation, although the insulation is protected as a final finish on the outside of the insulation, as the possibility of contact of moisture with external rain or strong wind increases, there is a need to prevent water droplets from entering the insulation. Functionality is required in the market.

In addition, when a waterproof insulating material is used, moisture absorption due to external moisture inflow can be prevented.However, if condensation due to a temperature difference occurs, internal moisture cannot be discharged to the outside, causing decay or corrosion inside. When introducing waterproofness, the function must be introduced in parallel with moisture permeability. For this reason, waterproofness and moisture permeability are not independent functions but complementary functions. If the waterproof insulating material is not moisture permeable, it causes problems due to condensation and at the same time, the heat insulating material absorbs moisture and the thermal conductivity increases sharply, which lowers the thermal insulation property. The construction of the house wrap having a moisture-permeable waterproof function is also added after the construction of the present invention. In the present invention, these two constructions can be coped with the construction of a single functionalized product.

Building insulation as in the present invention is not only the price of the product but also the construction cost is included in the price of the product at the same time, the construction is easy and difficult to affect the final product price according to the difficulty, with the various features that the insulation has a construction site Is recognized as a very important product performance. Therefore, when using the various fixing devices on the walls, ceilings, roofs, etc. at the construction site, the strength of constituents is insufficient, so that the fixing parts cannot be easily damaged even by small external force. When the shoe marks need a characteristic that the surface is not easily broken.

An object of the present invention is to form a moisture-permeable waterproof film and a heat reflection layer on one side of the inorganic fiber insulation, and to form a heat reflection layer on the other side to maintain the heat insulation performance for a longer time and at the same time decay due to moisture absorption of the heat insulating material or building structure, It prevents corrosion and prolongs its lifespan, and also reduces the amount of adhesive used to improve insulation and non-combustibility compared to existing insulation materials, reducing the use of insulation materials and enhancing safety in case of fire. It is to provide a non-combustible moisture-permeable waterproof heat reflection insulating material excellent in workability having a property that can be easily installed when using a variety of fixing devices such as pieces, nails, taka and the like.

Another object of the present invention, the heat insulating material based on the existing conduction has the disadvantage of increasing the thickness in order to improve the performance, but the moisture-permeable heat-resistant heat reflection insulation material of the present invention to minimize the heat conducting and at the same time breathe in the heat reflection layer Micropores are formed on both sides of the heat reflecting layer without impairing the waterproof function, so that the high heat reflectivity and the low emissivity provide excellent thermal insulation against radiant heat, and improve the efficiency of thermal insulation. When using a variety of fixing devices such as walls, ceilings, roofs, etc., the strength of constituents is insufficient to prevent the fixing parts from being easily damaged by small external forces, as well as when the worker moves over the products. Non-flammable, moisture-permeable, waterproof heat-reflective end with excellent workability that does not easily break the surface by marks. To provide the material.

In order to solve the above problems, the non-combustible moisture-permeable heat-reflective heat insulating material excellent in workability of the present invention, spraying a hot melt adhesive having a weight of 5 ~ 15g / m ² per area on one side of the inorganic fiber-based heat insulating material in a fibrous partial adhesive form Thereby adhering the lower heat reflection layer; On the other side of the inorganic fiber-based heat insulating material is sprayed hot melt adhesive having a weight per area of 5 ~ 15g / m ² in the form of a fibrous partial adhesive to the outer surface of the moisture-permeable waterproof resin layer coated with a weight of 10 ~ 30g / m ² After the reinforcing layer is bonded to the surface of the moisture-permeable waterproof resin layer by spraying a hot melt adhesive having a weight per area of 5 ~ 15g / m ² in the form of a fibrous partial adhesive to the upper heat reflection layer formed in the heat insulating material, the content of the total adhesive using 15 ~ 45g / m ^2, thereby forming the upper heat-reflecting layer has fine pores having a diameter of the hole 50 ~ 1000㎛ with at 30 ~ 100 / cm ^2, the lower heat reflecting layer, the diameter of the hole It is characterized in that the fine pores of 50 ~ 1000㎛ formed in 10 ~ 50 / cm ² .

In addition, the inorganic fiber-based heat insulating material is A, C, E, S-glass, non-woven felt made of silica fibers or any one selected from mineral wool, rock wool, the moisture-permeable waterproof film is polyethylene, polypropylene, polyvinyl Alcohol, polyvinyl chloride, thermoplastic polyester block copolymerized elastomer, thermoplastic polyamide block copolymer selected from the group consisting of two or more mixed resins, the moisture-permeable waterproof resin layer coated on the reinforcing layer is polyurethane or polyetheramide air At least one selected from the group consisting of coalescing, the reinforcing layer is characterized in that any one or more selected from woven fabrics, nonwoven fabrics, meshes made of glass fibers having a weight of 300g / m ² or less.

The upper and lower heat reflection layers may be any one selected from the group consisting of an aluminum thin film, an organic film or a non-woven composite reflective film in which an aluminum film is laminated with an aluminum thin film, an organic film, or a deposition reflective film in which aluminum is deposited on a nonwoven fabric. It features.

The non-combustible moisture-permeable heat-resistant heat reflection insulating material excellent in workability of the present invention by forming a double upper and lower heat reflection layer shows sufficient water resistance without impairing air permeability and moisture permeability, large water droplets 10 pores / cm pores having a size of 50㎛ or more ^In the case of protection from the upper heat reflection layer formed by ^two or more, and if pressure exists, the droplets are completely protected by the moisture-permeable waterproof resin layer immediately below even though passing through the upper heat reflection layer. And all of the pores larger than 50㎛ 10 atoms / cm ² in a lower heat reflecting layer formed over the reflector while maintaining the function according to the passing of the external moisture and the internal moisture-free insulating material on both sides as a whole have a function the reflector At the same time it has the effect of having a perfect waterproof breathable function.

In addition, the non-combustible moisture-permeable waterproof reflecting heat insulating material excellent in workability of the present invention exhibits perfect non-combustible characteristics even in the non-combustible test because the adhesive used in the heat insulating material as a whole 45g / m ² or less, the inorganic fiber-based heat insulating material present in the center portion The high thermal conductivity of the surface and the heat reflecting layer of the surface can be composed of a moisture-permeable waterproof anti-reflective heat insulating material having excellent heat insulating ability against radiant heat by high reflectance and low emissivity. Excellent tensile strength and tearing strength by reinforcing layer coated with moisture-permeable waterproof resin layer, and excellent fixing force by fixing device during construction. After installation on wall, ceiling, and roof, damage around fixing device is prevented by weight or wind. Not only can it be prevented, but it is also weak when installing the fixture. It is easy to install due to the wider use of fixed intervals than the product, and there is no tearing or damage even if people or objects are inevitably touched during construction work before the finish for protection during construction or after construction. It is effective.

1 is a cross-sectional view of the moisture-permeable waterproof heat reflection insulating material according to the present invention
Figure 2 is a detailed cross-sectional view of the upper portion of the moisture-permeable waterproof heat insulating material according to the present invention
3 is a detailed cross-sectional view of the upper portion of the moisture-permeable waterproof heat insulating material according to the present invention;

Hereinafter, the non-combustible moisture-permeable waterproof reflecting heat insulating material excellent in workability according to the present invention will be described, which is intended to illustrate the self-invention to those skilled in the art to easily practice the invention. This does not mean that the technical spirit and scope of the present invention are limited.

The non-combustible moisture-permeable waterproof reflecting heat insulating material having excellent workability of the present invention minimizes the heat to be transmitted and at the same time minimizes radiated heat, thereby exhibiting higher heat insulating properties, and it is possible to reliably solve the problem of non-combustibility which is difficult to have with conventional heat insulating materials. At the same time, it is intended to propose a composite functional insulating material which is easy to install and has little damage during construction while retaining the moisture-permeable waterproof property of the existing house wrap and increasing tensile and tear strength.

The non-combustible moisture-permeable waterproof reflecting heat insulating material excellent in workability proposed by the present invention has a weight per area of 5 to 15 g / m ² on one side of the inorganic fiber-based heat insulating material (1) which is determined to be the most excellent thermal insulation and non-combustibility of the conventional volume insulating material The hot melt adhesive 23 is sprayed in a fibrous partial adhesive form to bond the lower heat reflection layer 32 to the other side of the inorganic fiber-based heat insulating material 1, and a hot melt adhesive having a weight of 5 to 15 g / m ² per area. (22) is sprayed in the form of fibrous partial adhesion, and the moisture-permeable waterproof resin layer (4) is bonded to the outer surface of the reinforcing layer (6) coated at a weight of 10 to 30 g / m ² , and then the water-repellent waterproof resin layer (4). A heat insulating material formed by adhering a hot melt adhesive 21 having a weight per area of 5 to 15 g / m ² in the form of a fibrous partial adhesive on the surface thereof to bond the upper heat reflection layer 31 to the total content of the adhesive used in the heat insulating material. Is 15 to 45 g / m ² , phase In the sub-heat reflection layer 31, micropores 51 having a diameter of 50 to 1000 µm are formed at 30 to 100 / cm ² , and in the lower heat reflection layer 32, the pores having a diameter of 50 to 1000 µm are formed. The pores 52 are characterized in that formed in 10 ~ 50 / cm ² .

Inorganic fiber-based heat insulating material used in the present invention is mainly glass fiber on the long fiber may be subdivided into types of A, C, E, S, AR, etc., depending on the component or use, it is a non-woven felt or mineral of general silica fiber Any kind of wool, rock wool, etc. can be used, and preferably, E-glass fiber is the best. This E-glass fiber is usually made into a very long fiber form by spinning. The long fiber is cut into 50 ~ 100mm to be felt, and then made into a very bulky slab form by carding or air forming process. Punching process using a punching needle with a protruding ear can be manufactured to a product of the appropriate density and thickness, the suitable density of the product of the present invention is 50 ~ 200kg / m ³ and the thickness is 2 ~ 50mm as its use and requirements You can adjust as much as you want. In addition, the present invention proposes a heat insulating material based on inorganic fiber in consideration of safety in fire, but if there is no risk of fire or there is no demand for combustion characteristics, polyethylene, polypropylene, polyethylene terephthalate, polyamide, cotton It is also possible to use organic or fired materials such as wool, waste fiber weave, etc. alone or in a mixture.

The glass fiber refers to the glass in the form of fiber made by quenching after forming very thin and long. Glass fibers are divided into short fibers used as insulating sound absorbing materials and long fibers used as various resin reinforcing materials according to their shapes and production methods. Generally, short fibers are used as glass wool, long fibers are used as glass fibers ). It is classified into A-Glass, C-Glass, E-Glass, S-Glass and AR-Glass depending on its composition. E-glass, which is the first of long fiber glass fibers, is evaluated as a material that has excellent stability at high temperature and low electric conductivity because of almost no alkali component. E-Glass has been used as a resin reinforcing agent to reinforce resin since the 1930s when thermosetting resin was developed. It has been used for various electrical and electronic products using electrical insulation, and also for aircraft parts requiring high strength.

On both outermost surfaces of the inorganic fiber-based heat insulating material 1, a heat reflection layer 3 having excellent reflection efficiency is located. The heat reflection layer 3 has an aluminum heat reflection layer 3 and a reinforcement layer 6 capable of a heat reflection function. It is composed of a combination of) and simultaneously shows the strength expression function with the heat reflection function. The heat reflection layer 3 is an aluminum layer having a thickness of 5 to 300 µm mainly made of aluminum, a composite layer in which an organic film or nonwoven fabric is laminated with an aluminum thin film, or an organic film or nonwoven fabric such as polyethylene terephthalate, polypropylene, polyethylene, or the like. A deposition reflection film on which aluminum is deposited may be used. The reinforcing layer 6 bonded to the heat reflection layer 3 may be polyester, nylon, polypropylene, glass fiber fabrics, nonwoven fabrics, meshes, and the like. Glass fibers are most effective for nonflammability.

In addition, the reinforcement layer 6 coated with the moisture-permeable waterproof resin layer 4 is used between the heat insulating material 1 and the upper heat reflection layer 31 in order to give excellent moisture-permeable waterproof proposed by the present invention. It is used to increase the strength of the heat insulating material, and the moisture-permeable waterproof resin layer 4 located above the reinforcing layer 6 is used to exert the water-permeable waterproof property of the heat insulating material. The moisture-permeable waterproof resin that can be used at this time is a moisture-permeable waterproof polyurethane having fine pores through which water particles can pass, or a hydrophilic non-water-permeable waterproof polyurethane polyurethane in which moisture permeation occurs using the hydrophilic property of polyurethane without micropores. It has been studied that the use of any one selected from the group consisting of amide copolymers alone or in combination is most preferable in terms of mechanical strength, ozone resistance, temperature characteristics, vibration absorption, adhesion and the like. The thickness of this moisture-permeable waterproof resin layer 4 is so good that it is low in the range which moisture-permeable waterproof is maintained, and if necessary, it is also possible to mix or copolymerize a flame retardant, and to use the composition provided with flame retardance. If the thickness of the polyurethane coating layer is thickened to increase the organic content, there is a problem that the incombustibility of the final insulation is reduced, the coating amount of the coating layer is good to have a weight range of about 10 ~ 30g / m ² . If the weight of the coating layer is less than 10g / m ² it is difficult to form a continuous coating film is likely to cause a problem in waterproof.

And the material that can be used for the reinforcing layer 6 may be a polyester, nylon, polypropylene, carbon, aramid, glass, silica, metal fabric, non-woven or mesh form, glass fiber fabric or non-woven fabric, The mesh is most advantageous because it has less nonflammable inhibition and excellent strength. For fabrics, non-woven fabrics and meshes made of fiberglass, the weight should be less than 500g / m ² for proper strength. For meshes, it is less than 100g / m ² , and for non-woven fabrics and fabrics, it is less than 500g / m ² . It has a weight range. At this time, the higher the weight, the higher the reinforcing effect, but if the weight is 500g / m ² or more, it is not preferable because the adhesiveness is poor and the strength is higher than necessary.

In addition, the adhesive layer 21 of the upper heat reflection layer 31 and the moisture-permeable waterproof resin layer 4, the adhesive layer 22 of the reinforcing layer 6 and the inorganic fiber-based heat insulating material 1, the inorganic fiber-based heat insulating material 1, and the lower part Conventional adhesives may be used for the adhesive layer 23 with the heat reflection layer 32. For example, the selection of the adhesive and the bonding process, such as a conventional adhesive containing a solvent and a solvent-free hot melt adhesive, is not particularly limited. In order to achieve excellent non-combustibility of the present invention, the glass fiber, the aluminum layer, and the moisture-permeable waterproof film require the selection of a good wettability component, and thus, a hot melt type having a low melting point and a low melt index (MI) among polyethylene, polypropylene, and EVA Excellent adhesive strength, the weight of the hot melt per coating area is 5 ~ 15g / m ^{2 It} is sprayed in the form of fibers to bond.

And the amount of hot melt used as described above is a very important factor associated with the incombustibility of the final insulation, the amount of hot melt used as a whole should be less than 70g per 1 m ² of the insulation product. If the amount of hot melt used exceeds 45g / m ² , there is a problem of deterioration in incombustibility, and if the amount of hot melt is less than 15g / m ² , the adhesiveness is poor due to poor adhesiveness. This was observed.

The adhesive layer 2 of the hot-melt adhesive that can be used in the present invention should be used in the form of partial adhesion, not in the form of film, in order not to impair the moisture permeability of the moisture-permeable waterproof film. Although methods such as powder scattering and melt spraying are possible, in the present invention, a melt spraying type is used, and powder dotting or scattering may be used, but in this case, an additional process of melting powder is required. For convenience, the melt spraying form is most advantageous. The hot melt used in this invention is advantageous to have a melting temperature range of 80 ~ 300 ℃ for spraying, if less than 80 ℃ melting point is at least 60 ℃ or no melting point, because it is an amorphous resin having only adhesiveness When using the heat insulating material, there is a disadvantage in that the adhesive surface is separated. If the melting range exceeds 300 ℃, the temperature for spraying is too high and the temperature of the melt rises at the same time. Water resistance may be impaired by melting or deformation.

In addition, the ventilated micropores 5 of the surfaces of the heat reflection layer 3 located on both sides of the present invention are formed. Among the heat reflection layers 3 present on both sides of the heat insulating material of the present invention, a surface requiring perfect waterproofing performance is illustrated. The upper heat reflection layer 31 is located at the upper part of the heat insulating material in 2, and this surface is advantageous in the case of exterior construction, in which the construction in the direction in which the outside air contacts, is advantageous to defend against rainwater flowing into the exterior. There are no restrictions, such as pointing towards or towards the structure, but it is advantageous that this side faces to the interior.

And the moisture-permeable heat-resistant heat reflection insulating material of the present invention to form micropores on both sides of the heat reflection layer (3) in order to express the heat reflection function without inhibiting the water vapor transmission waterproof function in the heat reflection layer (3), Figures 1 and 2 The upper heat reflection layer 31 shown is difficult to obtain sufficient moisture permeability even if the number of pores is increased if the size of the holes (holes) is about 30 to 100 / cm ² with a size of 50 to 1000 µm and less than 50 µm. If the thickness is greater than μm, it does not affect the moisture permeability. However, processing is difficult and it is difficult to completely guarantee waterproofness. In addition, if the number of pores is less than 30 / cm ² has a disadvantage of low moisture permeability, the more the number of pores is advantageous, but excessively more than 100 / cm ² if the productivity is poor and there is a problem in waterproofing of the product Has been studied.

In addition, the lower heat reflection layer 32 of FIGS. 1 and 3 need only exist pores to the extent of expressing adequate waterproofness and moisture permeability, but it is sufficient if 10 / cm ² or more pores having a size of 50 μm or more are provided. At this time, if the pore size is less than 50 μm or the number of pores is less than 10 / cm ^{2, the} moisture permeability is low. In addition, when the number of pores exceeds 50 / cm ² is advantageous for moisture permeability, but there is a possibility that there is a problem in poor productivity and waterproofness. And in the process of manufacturing the insulating material as described above, if there is an advantage in forming the surface irregularities on the surface, but there is an advantage that the surface surface irregularities can secure a little more air layer than without such surface irregularities. It is possible to obtain the advantage that the air layer as much as unevenness can be secured even when the adjacent materials are in contact construction.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention.

Example 1

[Table 1], first, 120g / m ² of glass cloth 6, the moisture permeable and waterproof polyurethane over 30g / m ² coated, and can waterproof dried to the moisture permeable resin layer 4 is coated reinforcing layer 6 of, as shown in Was prepared. The E-glass needle mat having a thickness of 8 mm was formed on the upper part of the inorganic fiber insulating material 1 and the pores having a size of 200 μm as the reinforcing layer 6 coated with the moisture-permeable waterproof resin layer 4 and the upper heat reflecting layer 31. ) is 50 / cm ² was formed where an aluminum layer having a thickness of 35㎛, inorganic fiber-based heat insulating material (1) of 200㎛ size as the lower heat reflection layer 32, the pore 52 is 50 / cm ^2, thickness 35 formed After placing the aluminum layer of μm, the hot-melt spray type adhesive layer 21 of 7 g / m ² was used to bond the upper heat reflection layer 31 and the moisture-permeable waterproof reinforcing layer 6 and 4, and the water-permeable waterproof resin layer ( 4) 7 g / m ² hot melt spray type adhesive layer 22 was used to bond the reinforcing layer 6 coated with the inorganic fiber insulating material 1, and the inorganic fiber insulating material 1 and the lower heat reflecting layer 32 were used. ) 7g / m ² jet type hot-melt type adhesive layer 23 was pressed by the workability is excellent non-flammable waterproof Buddha used for the bonding of the It was prepared a heat insulating material, to evaluate various characteristics of the thus prepared heat insulating material, and the results are shown in Table 2.

[Example 2] - [Example 10]

The heat insulating material according to Examples 2 to 10 was prepared in the same manner as in Example 1 except for changing the layered structure of Example 1 as shown in Table 1 below.

[Comparative Example 1] ~ [Comparative Example 12]

The heat insulating material according to Comparative Examples 1 to 12 was prepared in the same manner as in Example 1 except for changing the layered structure of Example 1 as shown in Table 1 below.

division Floor composition Micropores Upper heat reflection layer Adhesive Layer 1 Breathable waterproof layer Reinforced layer Adhesive Layer 2 insulator Adhesive Layer 3 Bottom heat reflection layer Top
Heat reflecting layer bottom
Heat reflecting layer Example 1 A40 H5 U20 GF200 H10 G8 H10 A40 F200_50 F200_50 Example 2 A70 H8 U30 GF450 H15 G4 H5 A70 F700_30 F200_50 Example 3 A30 H5 U25 GM200 H8 G6 H8 A30 F100_80 F200_50 Example 4 A10 H5 U15 GF120 H8 G10 H8 A10 F200_50 F700_30 Example 5 M12 H5 U15 GF170 H7 G12 H7 A35 F200_50 F200_50 Example 6 A35 H5 U25 GF150 H7 G12 H7 M12 F200_50 F200_50 Example 7 B15 H5 U15 GF100 H5 G12 H15 A30 F200_50 F200_50 Example 8 B12 H5 U15 GF100 H5 G12 H5 A30 F200_50 F200_50 Example 9 A30 H5 U25 GF120 H5 S10 H5 A30 F200_50 F100_80 Example 10 A30 H5 PEA20 GF120 H5 W25 H5 A30 F200_50 F200_50 Comparative Example 1 A40 H5 U5 GF200 H5 G8 H10 A40 F200_50 F200_50 Comparative Example 2 A40 H10 U50 GF200 H15 G8 H10 A40 F200_50 F200_50 Comparative Example 3 A40 H10 U20 GF200 H10 G8 H10 A40 F200_15 F200_50 Comparative Example 4 A40 H10 U20 GF200 H10 G8 H10 A40 F20_100 F200_50 Comparative Example 5 A40 H10 U20 GF200 H10 G8 H10 A40 F2000_30 F200_50 Comparative Example 6 A40 H10 U20 GF200 H10 G8 H10 A40 F200_50 F200_5 Comparative Example 7 A40 H10 U20 GF200 H10 G8 H10 A40 F200_50 F20_10 Comparative Example 8 A40 H10 U20 GF200 H10 PET10 H10 A40 F200_50 F200_50 Comparative Example 9 A40 H10 U20 GF200 H10 PE10 H10 A40 F200_50 F200_50 Comparative Example 10 A40 H20 U20 GF200 H20 G8 H20 A40 F200_50 F200_50 Comparative Example 11 A40 H5 U20 GF600 H10 G8 H10 A40 F200_50 F200_50 Comparative Example 12 A40 H5 E35 - H10 G8 H10 A40 F200_50 F200_50

A: Aluminum thin film (the figure behind is the thickness in μm)

M: PET film deposited with aluminum (the number after the thickness is μm)

B12: PP long-fiber nonwoven fabric having a weight of 12 g / m ²

B15: PET long fiber nonwoven fabric having a weight of 15 g / m ²

H: Spray-type hot-melt adhesive (the number after the adhesive weight in g / m ² )

U: Breathable Polyurethane Coating (The figure behind is the coating weight in g / m ² )

PEA: polyetheramide block copolymer (the figure after is the weight of resin in g / m ² )

GF: Glass fiber fabric (the back number is fabric weight in g / m ² )

GM: Fiberglass mesh (back numbers are mesh weight in g / m ² )

G: E-glass fiber needle mat (back figure is mat thickness in mm)

S: Silica Fiber Needle Mat (Back figure is mat thickness in mm)

W: glass wool (the figure on the back is the thickness of the product in mm)

PET10: PET short-staple nonwoven felt having a thickness of 10 mm

PE10: foamed PE sheet having a thickness of 10 mm

F: A state in which micropores are formed in the heat reflection layer (the former number is the pore size in μm and the latter number is the number of pores in unit / cm ² )

division Breathable Waterproof nonflammable Adiabatic Phosphorus strength Total calorific value Heat dissipation Example 1 2,238 Pass 0.6 8.6 0.033 52.4 Example 2 1,985 Pass 0.7 8.7 0.034 86.4 Example 3 2,164 Pass 0.9 7.5 0.034 33.1 Example 4 2,524 Pass 0.6 8.1 0.034 29.7 Example 5 2,247 Pass 0.7 9.0 0.035 42.8 Example 6 2,058 Pass 0.7 8.8 0.036 37.2 Example 7 2,674 Pass 1.1 10.4 0.035 27.9 Example 8 2,521 Pass 1.0 11.8 0.036 26.8 Example 9 2,257 Pass 0.7 8.5 0.034 28.5 Example 10 Not measurable Pass 1.3 14.8 0.040 23.7 Comparative Example 1 4,547 Leak 0.5 8.8 0.038 15.7 Comparative Example 2 1,324 Pass 2.3 25.4 0.037 55.0 Comparative Example 3 421 Pass 0.7 8.9 0.035 51.8 Comparative Example 4 75 Pass 0.6 9.0 0.034 53.8 Comparative Example 5 2,498 Pass 0.7 9.2 0.036 55.1 Comparative Example 6 598 Pass 0.6 9.3 0.035 51.7 Comparative Example 7 96 Pass 0.6 8.7 0.035 52.3 Comparative Example 8 1,498 Pass 12.4 142.1 0.048 63.4 Comparative Example 9 0 Pass 8.9 85.1 0.047 44.6 Comparative Example 10 2,165 Pass 2.3 23.7 0.035 59.4 Comparative Example 11 1,853 Pass 0.7 8.6 0.036 124.8 Comparative Example 12 2,321 Pass 0.6 7.4 0.037 2.4

-Moisture permeability: Moisture permeability of dry method using calcium chloride according to ASTM E96 (unit: g / m ² 24hr)

-Waterproof: As a result of measuring the water pressure level according to ISO 811, it is determined whether the level of 300mm H ₂ O required in the building market is achieved.

-Non-combustibility: Evaluated by total emission heat (unit: MJ / m ² ) and maximum heat release (unit: kW / m ² ) according to KS F ISO 5660-1.

-Insulation: Thermal conductivity measured in accordance with KS L 9016 (Unit: W / mK). More precisely, it is necessary to indicate the total heat shield effect including the heat shielding effect, not the thermal conductivity. However, since there is no such test method among the publicly known test methods, the thermal conductivity is inevitably displayed.

-Tear strength: Using the 100mm wide and 250mm long specimens, the upper part of the specimen is fixed to the upper grip of the tensile strength tester, and the general nail is placed at the center point of 80mm in the height direction from the lower end of the specimen. After pinching through, the nail was fixed to the lower grip of the tensile strength tester, and the tensile strength at the rate of 100 mm per minute was expressed in tear strength (kgf).

As shown in Table 2 above, the results of comparing Examples 1 to 10 and Comparative Examples 1 to 12, which were tested with the moisture-permeable heat-resistant heat reflection insulating material having excellent non-combustibility of the present invention, are all included in the thermal conductivity. Insulation was shown to be somewhat the same, but the embodiment according to the present invention is because the adhesive used as a whole in the heat insulating material is less than 45g / m ² is excellent in the characteristics of the total amount of heat emitted and the maximum heat release amount, the effect of improving the incombustibility It was confirmed that there is. In addition, it was confirmed that not only the water resistance by the reinforcement layer 6 coated with the upper heat reflection layer 31 and the moisture-permeable waterproof resin layer 4 was improved at all, but also the tear strength was very uniform. It can be seen that the overall good moisture permeability by the upper and lower heat reflection layers 31 and 32 in which 10 or more pores were formed / cm ² .

Therefore, the non-combustible moisture-permeable heat reflective heat insulating material excellent in workability of the present invention can be substituted, modified and changed in various ways without departing from the technical idea of the present invention, piping for construction and various industrial equipment or industrial furnace (爐) As well as thermal insulation plant facilities, as well as environmentally friendly composite functional materials that can be applied as a non-combustible, insulating sound absorbing material such as aircraft, ships, cars can be used in a variety of uses and forms.

1: inorganic fiber insulation
2: hot melt adhesive
3: heat reflection layer
4: moisture-permeable waterproof resin layer
5: fine pores
6: reinforcement layer
21: Adhesive layer {adhesive layer between upper heat reflection layer 31 and moisture-permeable waterproof resin layer 4}
22: adhesive layer {adhesive layer between the reinforcing layer 4 and the inorganic fiber insulating material 1}
23: adhesive layer {adhesive layer between the inorganic fiber-based heat insulating material 1 and the lower heat reflection layer 32}
31: upper heat reflection layer
32: lower heat reflection layer
51: micropores of the upper heat reflection layer
52: micropores of the lower heat reflection layer

Claims (5)

Spraying the hot melt adhesive 23 having a weight per area of 5 to 15 g / m ² in a fibrous partial adhesive form on one side of the inorganic fiber insulating material 1 to bond the lower heat reflection layer 32; On the other side of the inorganic fiber-based heat insulating material (1) is sprayed hot melt adhesive 22 having a weight per area of 5 ~ 15g / m ² in a fibrous partial adhesive form to the moisture-permeable waterproof resin layer (4) on the outer surface 10 ~ adhered to the reinforcement layer (6) coated with a weight of 30g / m ^2, and then, a moisture permeable waterproof property can be surface coating weight is 5 ~ 15g / m ² of hot-melt type fibrous part adhesive type adhesive 21 on the resin layer 4 In the heat insulating material formed by spraying the upper heat reflection layer 31 by
The total adhesive content used for the insulation is 15 ~ 45g / m ² , and the upper heat reflection layer 31 to form a micropores 51 having a diameter of 50 ~ 1000㎛ 30 ~ 100 / cm ² , The non-combustible moisture-permeable waterproof heat-resistant heat insulating material excellent in workability, characterized in that formed in the lower heat reflection layer 32, the micropores 52 having a diameter of 50 ~ 1000㎛ 10 ~ 50 / cm ² .
The method of claim 1,
The inorganic fiber-based heat insulating material (1) is a non-woven felt made of A, C, E, S-glass, silica fibers, or any one selected from mineral wool, rock wool, non-combustible moisture-permeable waterproof heat-resistant heat insulating heat insulating material, characterized in that .
The method of claim 1,
The non-combustible moisture-permeable heat-resistant heat reflection insulating material excellent in workability, characterized in that the moisture-permeable waterproof resin layer (4) coated on the reinforcing layer (6) is at least one selected from the group consisting of polyurethane or polyetheramide copolymer.
The method of claim 1,
The reinforcing layer (6) is a non-combustible waterproof waterproof heat reflection insulating material excellent in workability, characterized in that any one or more selected from a fabric, a non-woven fabric, a mesh made of glass fibers having a weight of 500g / m ² or less.
5. The method according to any one of claims 1 to 4,
The upper and lower heat reflection layers 31 and 32 may be any one selected from an aluminum thin film, an organic film, or a deposition reflective film in which aluminum is deposited on a composite film, an organic film, or a nonwoven fabric laminated with an aluminum thin film. Non-flammable, moisture-permeable, waterproof, heat-reflective insulation that has excellent workability.

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