KR101602656B1 - Complex Water-Proof Sheet Improving Insulation and Thermo-Shield Functions and Constructing Methods Using Thereof - Google Patents
Complex Water-Proof Sheet Improving Insulation and Thermo-Shield Functions and Constructing Methods Using Thereof Download PDFInfo
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- KR101602656B1 KR101602656B1 KR1020150107113A KR20150107113A KR101602656B1 KR 101602656 B1 KR101602656 B1 KR 101602656B1 KR 1020150107113 A KR1020150107113 A KR 1020150107113A KR 20150107113 A KR20150107113 A KR 20150107113A KR 101602656 B1 KR101602656 B1 KR 101602656B1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B11/00—Layered products comprising a layer of bituminous or tarry substances
- B32B11/10—Layered products comprising a layer of bituminous or tarry substances next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
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Abstract
Description
The present invention relates to a composite waterproof sheet having improved heat insulation and heat shielding performance, and more particularly, to a composite waterproof sheet having improved heat insulation and heat shielding performance, and more particularly to a roof waterproofing sheet having a roof, The present invention relates to a composite waterproof sheet complementary to the adiabatic and differential thermal performance used for waterproof construction for repairing cracks on floor surfaces and the like, and a construction method using the composite waterproof sheet
Conventional methods of applying coating waterproofing agent to the roof bottom of a building or a slab or an outer wall surface of an underground structure include forming a primer or a primary coating on a base surface and then laying a nonwoven fabric and applying a waterproof coating directly on the non- Is widely used.
However, in the above-mentioned prior art, the waterproofing agent is adhered to the base surface, so that the waterproofing material is broken when the structure is cracked to cause a leakage phenomenon, and the coating film often has no moisture permeability, so that the surface moisture is often swollen.
In addition, the construction method for forming the waterproof coating film is usually carried out 5 to 8 times, which is cumbersome, and it is necessary to repetitively coat the coating film material in order to secure the thickness of the coating film, And there is a high possibility that contamination of the coating film material occurs at the time of construction, and the construction cost increases.
In order to overcome such a problem, a waterproofing method using a waterproof sheet has been developed. As an example of such a waterproofing method, a synthetic polymer based waterproofing method is advantageous in that it is easy to construct because of using a synthetic polymer based sheet. However, Water tightness is also a problem.
In addition, when such a method is used, there is a problem that a protective sheet needs to be used together with a sheet for civil engineering.
In addition, since the improved asphalt sheet waterproofing method adheres the modified asphalt sheet to the tori burner, the watertightness can be ensured by some training, and is applied to the underground waterproofing.
The modified asphalt sheet waterproofing method is the most commonly used method in which asphalt attached to the back side of a waterproof sheet is heated and melted by a propane gas burner (torch burner) to spread the sheet on a concrete slab .
Such an improved asphalt sheet has the same size of the reinforcing nonwoven fabric sheet as the asphalt sheet and is thermally fused to one side of the asphalt sheet. The other side of the asphalt sheet is in the form of a roll and has a release paper for preventing adhesion to each other.
On the other hand, Korean Patent Registration No. 10-1213140 discloses, as an example of a waterproofing method using the waterproof sheet, Korean Patent Application No. 10-1213140 discloses a multilayer composite sheet substrate layer for external exposure, which has not only air permeability, A flocked rubberized waterproof sheet is disclosed.
SUMMARY OF THE INVENTION The present invention has been made to overcome the above-described problems, and it is an object of the present invention to provide an asphalt layer having adhesiveness by removing the release paper, The present invention also provides a composite waterproof sheet capable of reducing the energy loss by adding heat insulation and heat shielding performance.
The present invention
A heat insulating layer made of urethane containing foamed glass beads, heat-sensitive pigments or a mixture thereof;
A heat insulating layer made of urethane containing a heat insulating material;
A thermoplastic resin film layer in which a first synthetic fiber nonwoven fabric is formed on one side of a thermoplastic resin film and a second synthetic fiber nonwoven fabric is laminated on the other side opposite to the first synthetic fiber nonwoven fabric;
An adhesive asphalt layer in which the asphalt and the polymer resin adhesive are mixed at a weight ratio of 1: 0.5 to 1: 1; And
Wherein the release layer is sequentially laminated,
The first synthetic fiber nonwoven fabric and the second synthetic fiber nonwoven fabric of the thermoplastic resin film layer
10 to 60 parts by weight of a thermosetting resin, a thermoplastic resin or a mixture thereof, 2 to 10 parts by weight of a water-reducing agent, 1 to 3 parts by weight of a filler, 0.1 to 0.3 parts by weight of an ultraviolet screening agent, And 0.1 to 1 part by weight of an initiator is impregnated with a synthetic fiber,
The resin composition further comprises nanoceramic grains in which the anion emitting material and the far-infrared emitting material are mixed in a weight ratio of 1: 1 as nanoceramic grains in an amount of 5 to 30 parts by weight based on 100 parts by weight of the synthetic fibers,
The resin composition further comprises 1 to 8 parts by weight of amino group-containing siloxane based on 100 parts by weight of the synthetic fiber,
The resin composition further comprises octyltriethoxysilane in an amount of 5 to 20 parts by weight based on 100 parts by weight of the synthetic fiber,
The resin composition may further comprise 10 to 50 parts by weight of an anti-peeling agent based on 100 parts by weight of the synthetic fiber,
The resin composition further comprises 1 to 10 parts by weight of a crosslinked polyacrylate salt based on 100 parts by weight of the synthetic fiber,
The resin composition further comprises 0.5 to 5 parts by weight of a polystyrene acrylic ester latex based on 100 parts by weight of the synthetic fiber,
The asphalt layer further comprises 5 to 40 parts by weight of an anti-strain agent based on 100 parts by weight of the asphalt,
The asphalt layer further comprises 1 to 10 parts by weight of fibers based on 100 parts by weight of the asphalt,
The asphalt layer further comprises 0.05 to 2 parts by weight of retardant based on 100 parts by weight of asphalt,
The asphalt layer further comprises 1 to 10 parts by weight of a smoothing agent based on 100 parts by weight of the asphalt,
And the asphalt layer further comprises 1 to 10 parts by weight of tetraethylenepentamine based on 100 parts by weight of the asphalt.
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In addition,
A construction surface cleaning step of cleaning the construction surface to be cleaned;
A thermoplastic resin film layer in which a first synthetic fiber nonwoven fabric is formed on one side of the thermoplastic resin film on the basis of the thermoplastic resin film and the second synthetic fiber nonwoven fabric is laminated on the other side opposite to the first synthetic fiber nonwoven fabric, Wherein the adhesive synthetic asphalt layer and the release layer are sequentially laminated in such a manner that the polymeric resin adhesive is mixed at a weight ratio of 1: 0.5 to 1: 1, and the first synthetic fibrous nonwoven fabric and the second synthetic fibrous nonwoven fabric of the thermoplastic resin film layer are laminated with synthetic fibers 10 to 60 parts by weight of a thermosetting resin, a thermoplastic resin or a mixture thereof, 2 to 10 parts by weight of a water reducing agent, 1 to 3 parts by weight of a filler, 0.1 to 0.3 parts by weight of an ultraviolet blocking agent, 0.3 to 3 parts by weight of an ozone deterioration inhibitor And 0.1 to 1 part by weight of an initiator is impregnated into the synthetic fiber, and the resin composition is a nano-ceramic particle Wherein the nanoceramic grains in which the ion-emitting material and the far-infrared ray emitting material are mixed at a weight ratio of 1: 1 are further contained in an amount of 5 to 30 parts by weight based on 100 parts by weight of the synthetic fibers, 1 to 8 parts by weight, and the resin composition further comprises octyltriethoxysilane in an amount of 5 to 20 parts by weight based on 100 parts by weight of the synthetic fiber, wherein the resin composition contains 10 to 50 parts by weight And the resin composition further comprises a crosslinked polyacrylate salt in an amount of 1 to 10 parts by weight based on 100 parts by weight of the synthetic fiber, and the resin composition is a composition comprising 0.5 to 5 parts by weight of a polystyrene acrylic ester latex, And the asphalt layer contains 5 to 40 parts by weight of a deformation preventing agent based on 100 parts by weight of the asphalt. And the asphalt layer further comprises 1 to 10 parts by weight of fibers based on 100 parts by weight of the asphalt and the asphalt layer further comprises 0.05 to 2 parts by weight of the retardant based on 100 parts by weight of the asphalt, Wherein the asphalt layer further comprises 1 to 10 parts by weight of tetraethylenepentamine based on 100 parts by weight of the asphalt, and forming a baseline along the width of the composite waterproof sheet, ;
A waterproof sheet laying step of removing the release layer of the waterproof sheet and covering the entire construction surface with an asphalt layer having adhesive property in conformity with a baseline formed at the baseline formation step;
A joining step in which the laid waterproof sheets are joined to each other along the upper portion of the portion where the waterproof sheets are abutted or overlapped with each other;
A heat insulating layer forming step of applying urethane containing a heat insulating material on the first nonwoven fabric of the thermoplastic resin film layer of the waterproof sheet after the bonding step is completed; And
And a heat accumulation layer forming step of applying urethane containing foamed glass beads, heat-shading pigments or a mixture thereof after the heat insulating layer is formed.
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The composite waterproof sheet according to the present invention has excellent heat insulation and heat shielding performance and can be easily and quickly waterproofed by removing the mold release without a separate adhesive process, The ozone resistance can be provided and the decrease in durability can be reduced.
Hereinafter, the present invention will be described in detail.
In one aspect, a heat insulating layer made of urethane containing a foamed glass bead, a heat-sensitive pigment, or a mixture thereof; A heat insulating layer made of urethane containing a heat insulating material; A thermoplastic resin film layer in which a first synthetic fiber nonwoven fabric is formed on one side of a thermoplastic resin film and a second synthetic fiber nonwoven fabric is laminated on the other side opposite to the first synthetic fiber nonwoven fabric; An adhesive asphalt layer; And a releasing layer.
According to another aspect of the present invention, there is provided a method for constructing a surface to be cleaned, comprising: A thermoplastic resin film layer in which a first synthetic fiber nonwoven fabric is formed on one side of the thermoplastic resin film on the basis of the assembled surface and the second synthetic fiber nonwoven fabric is laminated on the other side opposite to the first synthetic fiber nonwoven fabric, A baseline forming step of drawing a baseline along a width of the waterproof sheet in which the asphalt layer and the release layer are laminated; A waterproof sheet laying step of removing the release layer of the waterproof sheet and covering the entire construction surface with an asphalt layer having adhesive property in conformity with a baseline formed at the baseline formation step; A joining step in which the laid waterproof sheets are joined to each other along the upper portion of the portion where the waterproof sheets are abutted or overlapped with each other; A heat insulating layer forming step of applying urethane containing a heat insulating material on the first nonwoven fabric of the thermoplastic resin film layer of the waterproof sheet after the bonding step is completed; And a heat insulating layer forming step of applying a urethane containing foamed glass beads, heat-sensitive pigments or a mixture thereof after the heat insulating layer is formed.
The waterproof sheet according to the present invention is a waterproof sheet which can prevent water leakage and condensation due to internal / external cracks of a building by simply waterproofing the cracked portion of the surface to be applied, Any conventional waterproof sheet of this type having such a purpose may be used.
The waterproof sheet according to the present invention, specifically the composite waterproof sheet having improved heat insulation and heat shielding performance, is formed by laminating a plurality of layers in order to provide insulation performance and heat shielding performance as well as waterproof performance.
A preferable lamination mode is not particularly limited, but an asphalt layer for adhesion to a construction surface, specifically an adhesive asphalt layer, a thermoplastic resin film layer, a heat insulation layer and a heat insulation layer are sequentially laminated from the lower end, And a release layer may be further provided on the bottom surface.
The asphalt layer according to the present invention, specifically the adhesive asphalt layer, can be adhered to a construction surface for waterproofing. For this purpose, any asphalt layer conventionally used in the art can be used And its thickness is not particularly limited, but it is preferably 1.5 to 3 mm.
The preferred asphalt layer is not particularly limited as long as it has adhesiveness, but it is recommended that the asphalt and the polymer resin adhesive be mixed at a weight ratio of 1: 0.5 to 1: 1.
The asphalt constituting the asphalt layer is not particularly limited as long as it is an asphalt commonly used in the art. Preferably, the asphalt is selected from the group consisting of petroleum asphalt, quick-drying asphalt, straight asphalt, Trinidad lake asphalt, Trinidad epure, It is preferable to use asphalt or a mixture of at least one selected from these, more preferably a mixture of straight asphalt having an intrusion of 20 to 40 and natural asphalt such as trinidad lake asphalt and / or trinidade with puree asphalt , More preferably 70 to 80% by weight of straight asphalt with an intrusion of 20 to 40 and 20 to 30% by weight of natural asphalt consisting of trinidad lake asphalt or puree asphalt .
The polymeric resin adhesive constituting the asphalt layer according to the present invention can prevent the occurrence of cracks after the asphalt layer of the composite waterproof sheet is applied to the installation surface, provide waterproof performance, And is not particularly limited as long as it is a conventional polymer resin in the art having such a purpose.
Preferred polymeric resin adhesives are selected from the group consisting of polyester, thermoplastic polyurethane elastomer, methyl methacrylate, ethylene vinylacetate copolymer, polyamide, polyethylene oxide, polyvinyl pyrrolidone, cellulose resin, polyvinyl alcohol, polyvinyl acetate, It is preferable to use a resin, a silicone resin, a urethane resin, an acrylic resin or a mixture thereof, or a mixture of at least one selected from chloroprene rubber, butyl rubber, styrene butadiene rubber, butadiene or the like, good.
As a specific aspect, the asphalt layer according to the present invention may further include a deformation preventing agent to reduce the plastic deformation of the asphalt layer.
It is recommended that the preferred antidegradant contains polyethylene, ethylene vinyl acetate, polybutene, impact polystyrene, polypropylene or a mixture thereof, and the amount of the antioxidant used is preferably 5 to 40 parts by weight based on 100 parts by weight of the asphalt.
If the amount of the antifriction agent is less than 5 parts by weight, the effect of preventing deformation is insignificant. When the amount of the antifriction agent is more than 40 parts by weight, mixing with other components is not easy when the asphalt layer is produced.
As a specific aspect, the asphalt layer according to the present invention may further comprise 1 to 10 parts by weight of fibers based on 100 parts by weight of asphalt to improve compressive strength, flexural strength and crack resistance.
The fiber may be any fiber as long as it is a conventional fiber in the art, but it is preferable to use at least one of carbon fiber, synthetic fiber, glass fiber, vinyl fiber and aramid fiber, or a mixture thereof good.
In another specific embodiment, the asphalt layer according to the present invention may further comprise a retarding agent for controlling the operation time and / or the intensity development rate, and the amount thereof is preferably 0.05 to 2 parts by weight based on 100 parts by weight of the asphalt.
Preferred as the retarder is a carboxylic acid such as tartaric acid, citric acid, gluconic acid, or a salt thereof, or a mixture of at least one selected from these.
In another specific embodiment, the asphalt layer according to the present invention may further comprise 1 to 10 parts by weight of a smoothing agent based on 100 parts by weight of the asphalt.
The smoothing agent is added in order to improve the self-leveling (self-charging performance) of the paste, and any one or more selected from the group consisting of a polyoxide system, a urethane system and a polycarboxylic acid system may be used. However, May be used.
In another specific embodiment, the asphalt layer according to the present invention may further contain 1 to 10 parts by weight of tetraethylenepentamine (TEPA) based on 100 parts by weight of asphalt for viscosity control and strength enhancement. Tetraethylenepentamine is a kind of polyamine which provides strength enhancement of the asphalt layer through curing and viscosity control of the asphalt layer and is used in an amount of 1 to 10 parts by weight based on 100 parts by weight of the asphalt. The effect is insignificant. If it exceeds 10 parts by weight, if it is excessive, the physical properties inherent to the asphalt layer may be adversely affected.
If necessary, the asphalt layer according to the present invention is provided with a release layer at the lower end thereof, so that the composite waterproof sheet can be constructed after removing the release layer without a separate adhesion process.
The release layer is connected to the asphalt layer to protect the asphalt layer having adhesiveness from the external contaminants. When the release layer is removed, the asphalt layer is exposed to the outside, and the asphalt layer of the waterproof sheet is applied to the surface So that it can be quickly and easily constructed.
The preferred release layer may be any conventional release layer in the art capable of achieving the above-mentioned purpose, but it is generally recommended to use a release paper.
The thermoplastic resin film layer according to the present invention is connected to the asphalt layer to provide water resistance.
Preferably, the thermoplastic resin film layer is constructed such that a first synthetic fiber nonwoven fabric is formed on one side of the thermoplastic resin film and a second synthetic fiber nonwoven fabric is laminated on the other side opposite to the first synthetic fiber nonwoven fabric.
The thermoplastic resin film is positioned between the first synthetic fiber nonwoven fabric and the second synthetic fiber nonwoven fabric constituting the thermoplastic resin film layer of the composite waterproof sheet.
The thermoplastic resin film may be any thermoplastic resin conventionally used in the art. Preferably, the thermoplastic resin film is composed of one or more selected from polypropylene, polyethylene, ethylene vinyl acetate, and ethylene propylene diene resins .
The synthetic fibers constituting the first synthetic fiber nonwoven fabric and the second synthetic fiber nonwoven fabric according to the present invention may be any synthetic fibers conventionally used in the art.
At this time, the first synthetic fiber nonwoven fabric and the second synthetic fiber nonwoven fabric may have the same structure.
In a specific embodiment, the synthetic fibers included in the first synthetic fiber nonwoven fabric according to the present invention may include structures in which long fibers are entangled with each other.
The structure in which the long fibers are entangled with each other can be manufactured by needle-punching a web prepared by mixing and / or carding long fibers.
In another specific embodiment, the synthetic fibers constituting the second synthetic fiber nonwoven fabric according to the present invention may include a structure in which the synthetic fibers are thermally adhered to each other.
The structure in which the synthetic fibers are thermally adhered to each other may be manufactured by a spunbond manufacturing method.
As another specific embodiment, the synthetic fibers according to the present invention may use regenerated fibers.
Meanwhile, the first synthetic fiber nonwoven fabric and the second synthetic fiber nonwoven fabric according to the present invention may be configured such that a mixture, preferably a resin composition, is impregnated into the voids of synthetic fibers to improve waterproof performance, anti-aging, ozone resistance, .
The mixture to be impregnated into the synthetic fibers, preferably the resin composition, is preferably a thermosetting resin, a thermoplastic resin or a mixture thereof in an amount of 10 to 60 parts by weight, a water-reducing agent in an amount of 2 to 10 parts by weight, a filler in an amount of 1 to 3 parts by weight 0.1 to 0.3 parts by weight of an ultraviolet screening agent, 0.3 to 3 parts by weight of an ozone deterioration inhibitor and 0.1 to 1 part by weight of an initiator.
The thermosetting resin, thermoplastic resin or mixture thereof according to the present invention is not particularly limited as long as it is a thermosetting resin, a thermoplastic resin, or a mixture thereof, which is commonly used in the art.
As the preferable thermosetting resin, it is preferable to use an unsaturated polyester resin, an epoxy resin, or a mixture thereof.
The preferred thermoplastic resin is at least one selected from the group consisting of polypropylene, polyethylene, ethylene vinyl acetate, ethylene propylene di-methyl resin, and the like.
Here, recycled polyethylene may be used for the polyethylene.
The water-reducing agent according to the present invention is for preventing shrinkage after impregnation, and is not particularly limited as long as it is a water-reducing agent commonly used in the art, but it is preferable to use a polyvinyl acetate-based water-reducing agent.
The filler according to the present invention may be any filler conventionally used in the art, but preferably an organic filler, an inorganic filler, or an inorganic flame retardant may be used. More preferably, aluminum hydroxide It is good.
The ultraviolet screening agent according to the present invention is included in synthetic fibers to protect the synthetic fibers from ultraviolet rays to prevent aging. Any conventional ultraviolet screening agent having such a purpose may be used.
The ozone deterioration inhibitor according to the present invention can be used as an ozone deterioration inhibitor in the form of a mixture of 6PPD (N- (1,3-dimethylutyl) -N'-phenyl-p-phenylenediamine) and / or TAPDT (2,4,6-
The effect of accelerated degradation of the coating film due to oxidation of the ozone radicals activated in water, including 1,4-dimethylpentyl-p-phenylenediamino) -1,3,5-triazine, The double bond moiety of the ring compound macromolecule may be composed of a resin mixed composition that delays deterioration prevention and deterioration by being offset with the ozone radical activated by the free electron transfer phenomenon.
That is, the ozone deterioration inhibitor may be a phenylenediamine-based wax, a mixed resin composition containing 6PPD and TAPDT, or an aromatic polyamine system in which radical generation is active. In particular, phenylenediamine- It is preferable to use a system.
The initiator according to the present invention is not particularly limited as long as it is a commonly used initiator in the art, but it is preferable to use a radical initiator.
In a specific embodiment, the resin composition impregnated in the synthetic fiber according to the present invention may further contain an antifoaming agent in an amount of 1 to 8 parts by weight based on 100 parts by weight of the synthetic fiber to reduce an increase in the amount of air due to the generation of entrained air.
Preferred examples of defoaming agents include mineral oil defoaming agents such as kerosene and paraffin, preservative defoaming agents such as animal and vegetable oils, sesame oil, castor oil and castor oil and their alkylene oxide adducts, oleic acid, stearic acid and alkylene oxide adducts thereof, Fatty acid ester type antifoaming agents such as antifoaming agents, glycerin monoricinolate, alkenyl succinic acid liquid, sorbitol monolaurate, sorbitol trioleate, and natural wax, polyoxyalkylene ethers, (poly) oxyalkyl ethers, acetylene ethers, Oxyalkylene antifoaming agents such as (poly) oxyalkylene alkylphosphoric acid esters, (poly) oxyalkylene alkylamines and (poly) oxyalkylene amides, alcohol-based defoaming agents such as octyl alcohol, hexadecyl alcohol, acetylene alcohol, Amide antifoaming agents such as acrylate polyamines and the like, phosphorus tributyl phosphate, sodium octyl phosphate and the like Metal soap defoaming agents such as acid ester defoaming agents, aluminum stearate, calcium oleate, and the like; dimethyl silicone oils, silicone fats, silicone emulsions, and organic modified polysiloxanes (polyorganosiloxanes such as dimethylpolysiloxane). And silicone-based antifoaming agents such as fluorosilicone oil, etc., but is not limited thereto.
In another specific embodiment, the resin composition according to the present invention further comprises nanoceramic particles so as to fill gaps between constituent components of the resin composition impregnated into the synthetic fibers and emit harmful substances such as anions or far-infrared rays .
The preferred nanoceramic particles are preferably strontium, vanadium, zirconium, cerium, nepheline, lanthanum, barium, rubidium, silica, cesium and / or gallium, It is good to be in weight.
Particularly, the anion emitting material constituting the nanoceramic particles may be mixed with a far-infrared ray emitting material emitting far-infrared ray. In this case, the anion emitting material and the far-infrared ray emitting material are preferably mixed at a weight ratio of 1: 1 , But is not limited thereto.
Preferred far infrared ray emitting materials include quartz, mononitic, gneissic and / or rhyolitic tuff.
In another specific embodiment, the resin composition according to the present invention further comprises an amino-functional siloxane to effectively cure at room temperature and to provide improved properties such as heat resistance, low temperature performance, chemical resistance, solvent resistance and oil resistance .
The amino-containing siloxane is not particularly limited, and examples thereof include aminomethylpolydimethylsiloxane. The amount of the amino-containing siloxane is preferably 1 to 8 parts by weight based on 100 parts by weight of synthetic fibers.
As another specific embodiment, the resin composition according to the present invention may further contain octyltriethoxysilane to improve adhesion and adhesion strength to the asphalt layer, specifically to the adhesive asphalt layer.
The octyltriethoxysilane may be used in the form of a monomer. The molecular weight of the monomer is not particularly limited, but is preferably 150 to 450 Da, and the amount of the octyltriethoxysilane used is 5 to 20 parts by weight based on 100 parts by weight of the synthetic fiber .
In another specific embodiment, the resin composition according to the present invention may further include 10 to 50 parts by weight of the anti-peeling agent based on 100 parts by weight of the synthetic fiber to prevent the resin composition from being easily peeled off from the thermoplastic resin film or the surface to be bonded.
Preferred examples of the anti-peeling agent include a polyacid-based anti-peeling agent having a specific gravity of 1.0 or more and a viscosity of 110 cPs, An amine-based anti-peeling agent having an acid value of 10 KOH / g or less and a total amine value of 140 to 400 HCl / g.
In another embodiment, the resin composition according to the present invention may further comprise 1 to 10 parts by weight of a crosslinked polyacrylate salt based on 100 parts by weight of synthetic fibers to prevent moisture penetration and improve durability.
The crosslinked polyacrylate salt may be dispersed in the synthetic fiber nonwoven fabric which is infiltrated by moisture and impregnated with the resin composition when the moisture penetrates into the synthetic fiber nonwoven fabric, specifically, the first synthetic fiber nonwoven fabric and / It is filled with voids to prevent the penetration of moisture, thereby enhancing the durability of the interior.
More specifically, the crosslinked polyacrylate salt is a crosslinked material of a polymer of an acrylate salt, and is formed of a copolymer of acrylic acid and sodium acrylate containing acrylic acid as a crosslinking agent becomes, for (C 3 H4O 2 .C 3 H 3 O 2 Na) it has a molecular formula of x.
The crosslinked polyacrylate salt having the above structure may be used in a three-dimensional network structure through cross-linking between polymer chains or in the case of using a crosslinked polyacrylate salt upon introduction of a hydrophilic group in a single- It inflates to fill the internal voids to prevent the penetration of moisture and to enhance the durability.
In another embodiment, the resin composition according to the present invention may further comprise 0.5 to 5 parts by weight of polystyrene acrylic ester latex based on 100 parts by weight of the synthetic fiber for the purpose of improving strength and durability.
As another specific embodiment, the resin composition impregnated in the first synthetic fibrous nonwoven fabric and / or the second synthetic fibrous nonwoven fabric according to the present invention may additionally contain at least one additive selected from the group consisting of an additive such as a depressant, a defoamer, a dispersant, And may further comprise an additive composed of at least two or more mixtures.
The amount of the depressant, defoamer, dispersant or antioxidant used as the additive is preferably one that is commonly used in the art, and the amount used is 100 parts by weight of the total resin composition, specifically, the resin composition impregnated with the synthetic fiber It is preferable to use 1 to 20 parts by weight as a standard.
It is preferable to use one of dimer acid ester, benzoic acid ester, ethylcyclohexane and 2,2,4-trimethyl-1,3-pentanediol diisobutylate as the diminishing agent according to the present invention.
The antifoaming agent is preferably a defoaming agent containing a silicon-based antifoaming agent, for example, polysiloxane as a main component, which has excellent antifoaming, dispersing and emulsifying properties even at a low temperature.
The dispersant may be any dispersant conventionally used in the art, but it is preferable to use a polycarboxylic acid-based dispersant.
The antioxidant may be an aromatic amine-based compound, a phenol-based compound, a phosphorous ester-based compound, or a mixture thereof.
As described above, the resin compositions impregnated into the synthetic fibers of the first synthetic fibrous nonwoven fabric and the second synthetic fibrous nonwoven fabric according to the present invention may be the same as each other, but the compositions to be impregnated may be configured differently according to the user's choice .
Meanwhile, the thickness ratio of the first synthetic fiber nonwoven fabric constituting the waterproof sheet according to the present invention, specifically the thermosetting resin film layer of the composite waterproof sheet, and the second synthetic fiber nonwoven fabric is preferably 1: 0.1 to 1: 1 .
At this time, when the thickness of the second synthetic fiber nonwoven fabric is less than 10% or more than 100% of the thickness of the first synthetic fiber nonwoven fabric, the thermosetting resin film layer is laid on the bottom surface, for example, A rolling phenomenon may occur.
The thermosetting resin film layer according to the present invention having the above-described constitution is obtained by laminating the first synthetic fiber nonwoven fabric and the second synthetic fiber nonwoven fabric on both sides of a film-like polyethylene melt extruded directly through an extruder and a T-die, And then winding it up.
The synthetic fibers of the first synthetic fiber nonwoven fabric and the second synthetic fiber nonwoven fabric may be impregnated with the resin composition or impregnated with the resin composition after laminating is completed.
The heat insulating layer according to the present invention is formed at the upper end of the thermosetting resin film layer so as to prevent the heat of the construction surface on which the composite waterproof sheet and the composite waterproof sheet are installed from being discharged or inflow into the outside. And the thickness of the heat insulating layer is not particularly limited, but it is preferably formed to be 1 to 3 mm
Preferably, the heat insulating layer is made of urethane containing a heat insulating material such as a phase change material (PCM), expanded polystyrene (EPS), and / or a heat insulating pigment commonly used in the art.
At this time, the heat insulating layer may be formed in the form of a coating film.
The heat insulating layer according to the present invention is formed at the upper end of the heat insulating layer to prevent external heat from being transferred to a construction surface where the composite waterproof sheet and the composite waterproof sheet are installed and installed. The thickness is not particularly limited as long as it is a heat insulating layer, and the thickness is also 0.05 to 0.3 mm.
Preferably, the heat insulating layer is made of urethane containing a heat insulating material made of foamed glass beads, a heat-shading pigment or a mixture thereof, which is commonly used in the art, specifically, spicol urethane.
At this time, the heat insulating layer may be formed in the form of a coating film.
A composite waterproof sheet according to the present invention having the above-described structure, specifically a composite waterproof sheet having improved heat insulation and heat shielding performance, will be described as follows.
Herein, the method of applying the composite waterproof sheet having the improved heat insulation and heat shielding performance is not particularly limited. Preferably, the method includes: a surface cleaning step of cleaning the surface to be cleaned;
A thermoplastic resin film layer in which a first synthetic fiber nonwoven fabric is formed on one side of the thermoplastic resin film on the basis of the assembled surface and the second synthetic fiber nonwoven fabric is laminated on the other side opposite to the first synthetic fiber nonwoven fabric, A baseline forming step of drawing a baseline along a width of the waterproof sheet in which the asphalt layer and the release layer are laminated;
A waterproof sheet laying step of removing the release layer of the waterproof sheet and covering the entire construction surface with an asphalt layer having adhesive property in conformity with a baseline formed at the baseline formation step;
A joining step in which the laid waterproof sheets are joined to each other along the upper portion of the portion where the waterproof sheets are abutted or overlapped with each other;
A heat insulating layer forming step of applying urethane containing a heat insulating material on the first nonwoven fabric of the thermoplastic resin film layer of the waterproof sheet after the bonding step is completed; And
And a heat accumulation layer forming step of applying urethane containing foamed glass beads, heat-sensitive pigments or a mixture thereof after the heat insulating layer is formed.
Hereinafter, the present invention will be described in detail by way of examples. However, the following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
[Example 1]
100 g of synthetic fiber having a thickness of 1.0 mm in which polyester filaments were entangled with each other by needle punching, 30 g of unsaturated polyester resin, 5 g of polyvinyl acetate-based water-repellent agent, 2 g of aluminum hydroxide, 0.2 g of ultraviolet screening agent, - (1,3-dimethylutyl) -N'-phenyl-p-phenylenediamine) and 0.5 g of an initiator were impregnated to prepare a first synthetic fiber nonwoven fabric and a second synthetic fiber nonwoven fabric.
Then, the first synthetic fiber nonwoven fabric and the second synthetic fiber nonwoven fabric were laminated on both sides of a film-like polyethylene melt extruded through an extruder and a T-die, respectively, to form a 2.4 mm thick thermoplastic resin film layer.
Subsequently, an adhesive asphalt layer having a thickness of 2 mm was formed on the lower end of the thermosetting resin film layer using 200 g of adhesive asphalt having an epoxy-based polymer resin adhesive in a weight ratio of 1: 0.8 to quick-drying asphalt.
Next, a heat insulating layer of 1.5 mm in the form of a coating film was formed on the top of the thermosetting resin film layer using a urethane resin containing a heat insulating pigment.
Next, a heat shielding layer of 0.1 mm in the form of a coating film was formed on the top of the heat insulating layer using a urethane resin containing foamed glass beads to prepare a composite waterproof sheet complemented with heat insulation and heat shielding performance.
[Example 2]
100 g of synthetic fiber having a thickness of 1.0 mm in which polyester filaments were entangled with each other by needle punching, 30 g of unsaturated polyester resin, 5 g of polyvinyl acetate-based water-repellent agent, 2 g of aluminum hydroxide, 0.2 g of ultraviolet screening agent, - (1,3-dimethylutyl) -N'-phenyl-p-phenylenediamine) and 0.5 g of an initiator were impregnated to prepare a first synthetic fiber nonwoven fabric.
100 g of synthetic fiber having a thickness of 1.0 mm having a structure in which polyester long fibers were thermally adhered to each other, 30 g of an unsaturated polyester resin, 5 g of a polyvinyl acetate-based water reducing agent, 2 g of aluminum hydroxide, 0.2 g of an ultraviolet blocking agent, 2 g of 6PPD (N- (1,3-dimethylutyl) -N'-phenyl-p-phenylenediamine) and 0.5 g of an initiator were impregnated to prepare a second synthetic fiber nonwoven fabric.
Then, the first synthetic fiber nonwoven fabric and the second synthetic fiber nonwoven fabric were laminated on both sides of a film-like polyethylene melt extruded through an extruder and a T-die, respectively, to form a 2.4 mm thick thermoplastic resin film layer.
Next, an adhesive asphalt layer made of a coating film having a thickness of 2 mm was formed on the lower end of the thermosetting resin film layer using 200 g of adhesive asphalt having an epoxy-based polymer resin adhesive in a weight ratio of 1: 0.8 to quick-drying asphalt.
Next, a heat insulating layer of 1.5 mm in the form of a coating film was formed on the top of the thermosetting resin film layer using a urethane resin containing a heat insulating pigment.
Next, a heat shielding layer of 0.1 mm in the form of a coating film was formed on the top of the heat insulating layer using a urethane resin containing foamed glass beads to prepare a composite waterproof sheet complemented with heat insulation and heat shielding performance.
[Example 3]
The asphalt layer was prepared in the same manner as in Example 1 except that 3 g of tartaric acid was added to the asphalt layer.
[Example 4]
A nonwoven fabric was prepared by further adding 5 g of aminomethyl polydimethylsiloxane to the resin composition in the same manner as in Example 1.
[Example 5]
The asphalt layer was prepared in the same manner as in Example 1 except that 10 g of carbon fiber was further added to the asphalt layer.
[Example 6]
The procedure of Example 1 was repeated except that 3 g of the crosslinked polyacrylate salt was further contained in the resin composition to prepare a nonwoven fabric.
[Example 7]
A nonwoven fabric was prepared by further adding 4 g of polystyrene acrylic ester latex to the resin composition in the same manner as in Example 1.
[Example 8]
The asphalt layer was prepared in the same manner as in Example 1 except that 8 g of tetraethylenepentamine (TEPA) was further added to the asphalt layer.
[Example 9]
A non-woven fabric was prepared in the same manner as in Example 1 except that 25 g of a polyphosphoric-type peeling inhibitor having a specific gravity of 1.0 or more and a viscosity of 60 cps was 110 cPs.
[Example 10]
The procedure of Example 1 was repeated except that 10 g of octyltriethoxysilane was added to the resin composition to prepare a nonwoven fabric.
As described above, those skilled in the art will understand that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the embodiments described above are all illustrative and not restrictive. The scope of the present invention should be construed as being included in the scope of the present invention without departing from the spirit and scope of the present invention as defined by the appended claims and their equivalents.
Claims (5)
A heat insulating layer made of urethane containing a heat insulating material;
A thermoplastic resin film layer in which a first synthetic fiber nonwoven fabric is formed on one side of a thermoplastic resin film and a second synthetic fiber nonwoven fabric is laminated on the other side opposite to the first synthetic fiber nonwoven fabric;
An adhesive asphalt layer in which the asphalt and the polymer resin adhesive are mixed at a weight ratio of 1: 0.5 to 1: 1; And
Wherein the release layer is sequentially laminated,
The first synthetic fiber nonwoven fabric and the second synthetic fiber nonwoven fabric of the thermoplastic resin film layer
10 to 60 parts by weight of a thermosetting resin, a thermoplastic resin or a mixture thereof, 2 to 10 parts by weight of a water-reducing agent, 1 to 3 parts by weight of a filler, 0.1 to 0.3 parts by weight of an ultraviolet screening agent, And 0.1 to 1 part by weight of an initiator is impregnated with a synthetic fiber,
The resin composition further comprises nanoceramic grains in which the anion emitting material and the far-infrared emitting material are mixed in a weight ratio of 1: 1 as nanoceramic grains in an amount of 5 to 30 parts by weight based on 100 parts by weight of the synthetic fibers,
The resin composition further comprises 1 to 8 parts by weight of amino group-containing siloxane based on 100 parts by weight of the synthetic fiber,
The resin composition further comprises octyltriethoxysilane in an amount of 5 to 20 parts by weight based on 100 parts by weight of the synthetic fiber,
The resin composition may further comprise 10 to 50 parts by weight of an anti-peeling agent based on 100 parts by weight of the synthetic fiber,
The resin composition further comprises 1 to 10 parts by weight of a crosslinked polyacrylate salt based on 100 parts by weight of the synthetic fiber,
The resin composition further comprises 0.5 to 5 parts by weight of a polystyrene acrylic ester latex based on 100 parts by weight of the synthetic fiber,
The asphalt layer further comprises 5 to 40 parts by weight of an anti-strain agent based on 100 parts by weight of the asphalt,
The asphalt layer further comprises 1 to 10 parts by weight of fibers based on 100 parts by weight of the asphalt,
The asphalt layer further comprises 0.05 to 2 parts by weight of retardant based on 100 parts by weight of asphalt,
The asphalt layer further comprises 1 to 10 parts by weight of a smoothing agent based on 100 parts by weight of the asphalt,
Wherein the asphalt layer further comprises 1 to 10 parts by weight of tetraethylenepentamine based on 100 parts by weight of the asphalt.
A thermoplastic resin film layer in which a first synthetic fiber nonwoven fabric is formed on one side of the thermoplastic resin film on the basis of the thermoplastic resin film and the second synthetic fiber nonwoven fabric is laminated on the other side opposite to the first synthetic fiber nonwoven fabric, Wherein the adhesive synthetic asphalt layer and the release layer are sequentially laminated in such a manner that the polymeric resin adhesive is mixed at a weight ratio of 1: 0.5 to 1: 1, and the first synthetic fibrous nonwoven fabric and the second synthetic fibrous nonwoven fabric of the thermoplastic resin film layer are laminated with synthetic fibers 10 to 60 parts by weight of a thermosetting resin, a thermoplastic resin or a mixture thereof, 2 to 10 parts by weight of a water reducing agent, 1 to 3 parts by weight of a filler, 0.1 to 0.3 parts by weight of an ultraviolet blocking agent, 0.3 to 3 parts by weight of an ozone deterioration inhibitor And 0.1 to 1 part by weight of an initiator is impregnated into the synthetic fiber, and the resin composition is a nano-ceramic particle Wherein the nanoceramic grains in which the ion-emitting material and the far-infrared ray emitting material are mixed at a weight ratio of 1: 1 are further contained in an amount of 5 to 30 parts by weight based on 100 parts by weight of the synthetic fibers, 1 to 8 parts by weight, and the resin composition further comprises octyltriethoxysilane in an amount of 5 to 20 parts by weight based on 100 parts by weight of the synthetic fiber, wherein the resin composition contains 10 to 50 parts by weight And the resin composition further comprises a crosslinked polyacrylate salt in an amount of 1 to 10 parts by weight based on 100 parts by weight of the synthetic fiber, and the resin composition is a composition comprising 0.5 to 5 parts by weight of a polystyrene acrylic ester latex, And the asphalt layer contains 5 to 40 parts by weight of a deformation preventing agent based on 100 parts by weight of the asphalt. And the asphalt layer further comprises 1 to 10 parts by weight of fibers based on 100 parts by weight of the asphalt and the asphalt layer further comprises 0.05 to 2 parts by weight of the retardant based on 100 parts by weight of the asphalt, Wherein the asphalt layer further comprises 1 to 10 parts by weight of tetraethylenepentamine based on 100 parts by weight of the asphalt, and forming a baseline along the width of the composite waterproof sheet, ;
A waterproof sheet laying step of removing the release layer of the waterproof sheet and covering the entire construction surface with an asphalt layer having adhesive property in conformity with a baseline formed at the baseline formation step;
A joining step in which the laid waterproof sheets are joined to each other along the upper portion of the portion where the waterproof sheets are abutted or overlapped with each other;
A heat insulating layer forming step of applying urethane containing a heat insulating material on the first nonwoven fabric of the thermoplastic resin film layer of the waterproof sheet after the bonding step is completed; And
A heat insulating layer forming step of applying urethane containing foamed glass beads, heat-sensitive pigments or a mixture thereof after the heat insulating layer is formed.
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| CN108658512A (en) * | 2018-05-24 | 2018-10-16 | 江蔓青 | A kind of architectural decoration environment protecting thermal insulating material |
| KR101921065B1 (en) | 2018-07-16 | 2018-11-22 | (주)세운티.엔.에스 | Insulating material with improved thermal efficiency using glass fiber and method of manufacturing the same |
| KR102022237B1 (en) | 2019-04-26 | 2019-09-18 | 주식회사 한강이앤씨 | Urethane waterproof material composition with excellent thermo-shield function and construction method of waterproofing and thermo-shield using thereof |
| WO2020017736A1 (en) * | 2018-07-18 | 2020-01-23 | (주)세운티.엔.에스 | Heat conservation-insulating material coated with uv curing-type film and having maximized heat efficiency, and method for manufacturing same |
| CN111042532A (en) * | 2019-12-24 | 2020-04-21 | 广东嘉泰建设有限公司 | Construction method for preventing water on ground |
| CN112519341A (en) * | 2020-11-19 | 2021-03-19 | 常熟市正太纺织有限公司 | Fiber fur material with waterproof function |
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| KR102022237B1 (en) | 2019-04-26 | 2019-09-18 | 주식회사 한강이앤씨 | Urethane waterproof material composition with excellent thermo-shield function and construction method of waterproofing and thermo-shield using thereof |
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| CN112519341A (en) * | 2020-11-19 | 2021-03-19 | 常熟市正太纺织有限公司 | Fiber fur material with waterproof function |
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