KR102669684B1 - Crack resistant waterproof sheet and waterproofing method used thereof - Google Patents

Crack resistant waterproof sheet and waterproofing method used thereof Download PDF

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KR102669684B1
KR102669684B1 KR1020230076757A KR20230076757A KR102669684B1 KR 102669684 B1 KR102669684 B1 KR 102669684B1 KR 1020230076757 A KR1020230076757 A KR 1020230076757A KR 20230076757 A KR20230076757 A KR 20230076757A KR 102669684 B1 KR102669684 B1 KR 102669684B1
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weight
waterproofing
layer
waterproof sheet
sheet
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우종민
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세림종합건설 주식회사
주식회사 알. 브이
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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
    • B32B11/02—Layered products comprising a layer of bituminous or tarry substances with fibres or particles being present as additives in the layer
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/05—Alcohols; Metal alcoholates
    • C08K5/053—Polyhydroxylic alcohols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • C08K5/541—Silicon-containing compounds containing oxygen
    • C08K5/5435—Silicon-containing compounds containing oxygen containing oxygen in a ring
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853—Vinylacetate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L93/00—Compositions of natural resins; Compositions of derivatives thereof
    • C08L93/04—Rosin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch

Abstract

본 발명은 인열강도가 보강된 방수시트 및 이를 이용한 복합방수공법에 관한 것으로, 더욱 상세하게는, 스트레이트 아스팔트 25 ~ 65 중량%, 탄산칼슘 5 ~ 25 중량%, 스티렌-부타디엔-스티렌 중합체(SBS, styrene butadiene styrene rubber) 5 ~ 15 중량%, 5 ~ 50 nm의 산화아연(ZnO) 0.5 ~ 3 중량%, 감마-글리시드옥시프로필 메톡시실란(Gamma-glycidoxypropyltrimethoxysilane) 1 ~ 3 중량%, 노니톨계 핵제인 1,2,3-trideoxy-4,6:5,7-비스-O-[(4-propylphenyl)methylene]-nonitol 0.1 ~ 0.7 중량%, 폴리에틸렌 테레프탈레이트 3 ~ 10 중량%, 유기주석 화합물인 경화촉진제 0.1 ~ 3 중량%, 산화규소 1 ~ 13 중량%, 프로세스 오일 0.1 ~ 6 중량%로 조성된 컴파운드층과; 상기 컴파운드층 하부면에 부직포를 부착하여 형성되는 부직포층과; 상기 컴파운드층 상부면에 규사로 샌딩처리된 표면층을 포함한다.
따라서, 본 발명은 저온 굴곡성, 내균열성, 내피로성, 전단 접착 강도, 인열강도 및 인장 접착 강도가 우수한 방수시트로 저온 또는 고온에서 방수시공이 이루어지게 하면서 방수시트의 균열, 찢김, 파단 현상이 방지되어 방수층 및 도막층이 안정적으로 보호될 수 있게 하고, 에틸렌초산비닐 공중합체가 혼합된 도막방수재에서는 확보할 수 없는 경도와 전단접착력을 상승시키는 인열강도가 보강된 방수시트 및 이를 이용한 복합방수공법을 제공한다.The present invention relates to a waterproofing sheet with reinforced tear strength and a composite waterproofing method using the same. More specifically, the present invention relates to 25 to 65% by weight of straight asphalt, 5 to 25% by weight of calcium carbonate, and styrene-butadiene-styrene polymer (SBS). , styrene butadiene styrene rubber) 5 to 15% by weight, 5 to 50 nm zinc oxide (ZnO) 0.5 to 3% by weight, gamma-glycidoxypropyltrimethoxysilane (Gamma-glycidoxypropyltrimethoxysilane) 1 to 3% by weight, nonitol-based Nucleating agent 1,2,3-trideoxy-4,6:5,7-bis-O-[(4-propylphenyl)methylene]-nonitol 0.1 to 0.7% by weight, polyethylene terephthalate 3 to 10% by weight, organotin compound A compound layer composed of 0.1 to 3% by weight of phosphorus curing accelerator, 1 to 13% by weight of silicon oxide, and 0.1 to 6% by weight of process oil; A non-woven fabric layer formed by attaching a non-woven fabric to the lower surface of the compound layer; It includes a surface layer sanded with silica sand on the upper surface of the compound layer.
Therefore, the present invention is a waterproof sheet with excellent low-temperature bendability, crack resistance, fatigue resistance, shear adhesive strength, tear strength, and tensile adhesive strength, which allows waterproofing construction at low or high temperatures and prevents cracks, tears, and fractures of the waterproof sheet. This is prevented and the waterproofing layer and coating layer are stably protected, and the tearing strength-reinforced waterproofing sheet and composite using the same increase hardness and shear adhesion that cannot be secured with coating waterproofing materials mixed with ethylene vinyl acetate copolymer. Provides waterproofing method.

Description

인열강도가 보강된 방수시트 및 이를 이용한 복합방수공법{CRACK RESISTANT WATERPROOF SHEET AND WATERPROOFING METHOD USED THEREOF}Waterproofing sheet with reinforced tear strength and composite waterproofing method using the same {CRACK RESISTANT WATERPROOF SHEET AND WATERPROOFING METHOD USED THEREOF}

본 발명은 인열강도가 보강된 방수시트 및 이를 이용한 복합방수공법에 관한 것으로, 특히, 저온 굴곡성, 내균열성, 내피로성, 전단 접착 강도, 인장 접착 강도가 우수한 방수시트로 저온 또는 고온에서 방수시공이 이루어지게 하여 누름콘크리트를 타설하기 전단계에서 시공된 방수시트 상부로 작업자가가 보행하거나 작업차량이 운행되는 등 중량체가 방수시트를 가압하더라도 방수시트의 균열, 찢김, 파단 현상이 방지되어 방수층 및 도막층이 안정적으로 보호될 수 있게 함으로써, 누름콘크리트 시공 후에도 보장된 방수층과 도막층을 얻을 수 있게 하는 인열강도가 보강된 방수시트 및 이를 이용한 복합방수공법에 관한 것이다.The present invention relates to a waterproof sheet with reinforced tear strength and a composite waterproofing method using the same. In particular, it is a waterproof sheet with excellent low-temperature bendability, crack resistance, fatigue resistance, shear adhesive strength, and tensile adhesive strength, and is waterproof at low or high temperatures. Even if a heavy body presses the waterproof sheet, such as a worker walking or a work vehicle driving on top of the waterproofing sheet constructed in the stage before pouring the pressed concrete during construction, cracks, tears, and rupture of the waterproofing sheet are prevented, preventing the waterproofing layer and It relates to a waterproofing sheet with reinforced tear strength that allows the coating layer to be stably protected, thereby obtaining a guaranteed waterproofing layer and coating layer even after pressed concrete construction, and a composite waterproofing method using the same.

콘크리트 구조물에는 정적, 동적 하중에 의한 휨 모멘트나 진동이 발생하여 균열이 일어나며 중성화 및 노화에 의한 박리가 발생하며, 빗물 등은 콘크리트 표면에 틈이나 균열을 발생시킴과 동시에, 그 틈새로 침투하여 철근을 부식시켜 콘크리트의 균열을 촉진하며 콘크리트에 생긴 균열은 건축 토목 구조물의 수명을 단축시키는 원인이 된다.In concrete structures, bending moments or vibrations due to static and dynamic loads occur, causing cracks and delamination due to neutralization and aging. Rainwater, etc., creates gaps and cracks on the concrete surface and at the same time penetrates into the gaps and destroys the reinforcing bars. It corrodes and promotes cracking of concrete, and cracks in concrete shorten the lifespan of building civil engineering structures.

건축구조물의 옥상이나 지하기초바닥 및 지하외벽, 지하주차장 상부슬라브 방수와 토목구조물로서 지하철ㆍ지하차도ㆍ전력구ㆍ통신구 등의 공동구와 같은 지하 콘크리트 구조물의 방수에 적용되는 방수공법은 대표적으로 시트방수와 도막방수 및 복합방수로 분류할 수 있다.Waterproofing methods applied to waterproofing roofs of building structures, underground floors, underground exterior walls, upper slabs of underground parking lots, and underground concrete structures such as utility conduits such as subways, underpasses, power conduits, and communication conduits as civil engineering structures are typically sheet sheets. It can be classified into waterproofing, film waterproofing and composite waterproofing.

시트방수는 아스팔트 시트 방수층이 콘크리트 바탕면과의 접착력 부족에 의한 방수층의 들뜸현상 발생과, 방수시트 연결이음부위에 토우치(Torch)를 사용하여 가열 용융접합시 아스팔트 콤파운드의 연소, 산화에 의한 방수시트 연결이음부위 수밀성이 약화되어 이음부에서의 누수사고가 빈번하게 발생되는 문제점이 있다.Sheet waterproofing occurs due to the phenomenon of lifting of the waterproof layer due to insufficient adhesion of the asphalt sheet waterproofing layer to the concrete substrate, and waterproofing due to combustion and oxidation of the asphalt compound when heating and melting the joints of the waterproofing sheet using a torch. There is a problem in that water leakage accidents occur frequently at the joints as the watertightness of the sheet connection joints is weakened.

즉, 시트의 제조시 다양한 적층구조를 통해서 필요한 물성을 구현하기가 쉽고, 균일한 두께와 품질 확보가 용이하며, 시공이 간편한 장점이 있는 반면에, 시트방수는 복잡한 부위의 시공이 어렵고, 부분 보수가 어려우며, 시트 단부 및 코너 처리가 곤란하고, 시트간 접합부(조인트)에서의 수밀성이 취약하여 완전 수밀성을 이루기 어렵다는 것이다.In other words, when manufacturing sheets, it is easy to realize the necessary physical properties through various laminated structures, it is easy to secure uniform thickness and quality, and it has the advantage of being easy to install. However, sheet waterproofing is difficult to construct in complex areas, and partial repairs are difficult. It is difficult to process the ends and corners of the sheets, and the watertightness at the joints between sheets is weak, making it difficult to achieve complete watertightness.

도막방수는 소재에 따라 다르지만, 대표적으로, 우레탄계 도막방수와 고무아스팔트계 도막방수 등을 로울러나 붓을 사용하여 간편하여 도포하는 방법으로, 시공성 및 방수층의 신장력이 우수하여 콘크리트 구조체의 미세균열에도 대응할 수 있는 장점이있으나, 도막방수재를 수차례 도포해야 하기 때문에 도막 방수층의 균등한 두께를 형성하는데 어려움이 있으며, 방수층의 부분적인 기포나 꽈리 등의 발생에 의해 방수층 결함부위가 빈번하게 발생되는 단점이 있다.Film waterproofing varies depending on the material, but typically, it is a method of simply applying urethane-based film waterproofing and rubber asphalt-based film waterproofing using a roller or brush. It has excellent workability and the elongation of the waterproof layer, so it can respond to microcracks in concrete structures. However, since the coating waterproofing material must be applied several times, it is difficult to form an even thickness of the coating waterproofing layer, and the disadvantage is that defective areas in the waterproofing layer frequently occur due to the occurrence of partial bubbles or cracks in the waterproofing layer. there is.

또한, 도막방수는, 콘크리트면 등의 하지면에 밀착되는 밀착 공법이므로, 균열 대응력에 취약하여 하지의 균열에 대한 근본적인 해결이 어렵고, 균열 발생시 시공된 우레탄 도막이 손상되며, 연속적으로 들뜨게 되는 단점이 있고, 바탕의 평활도 및 건조상태에 영향을 크게 받는데, 작업현상에서 액상으로 도포되어 흐름성이 좋기 때문에, 바닥면의 굴곡으로 인해 도막 두께가 불균일해질 수 있고, 도막의 두께를 충분히 형성하여야 하나 현장 시공상 용이하지가 않은 단점이 있다.In addition, film waterproofing is a close contact method that adheres to the underlying surface such as concrete, so it is vulnerable to crack response, making it difficult to fundamentally solve cracks in the underlying surface. When a crack occurs, the installed urethane coating film is damaged and continuously lifted. , It is greatly affected by the smoothness and dryness of the background. Since it is applied in liquid form and has good flowability during work, the thickness of the coating film may become uneven due to the curvature of the floor surface, and the thickness of the coating film must be sufficiently formed, but it is not possible to install on site. It has the disadvantage of not being easy to use.

한편, 상기한 시트방수와 도막방수의 단점을 서로 보완하하기 위한 시트방수와 도막방수의 복합구조인 복합방수는, 고분자계 또는 아스팔트 방수시트와 열공법 또는 냉공법에 의해 도포되는 도막방수재의 조합이 가장 일반적이다.On the other hand, composite waterproofing, which is a composite structure of sheet waterproofing and coating waterproofing to compensate for the above-mentioned shortcomings of sheet waterproofing and coating waterproofing, is a combination of a polymer-based or asphalt waterproofing sheet and a coating waterproofing material applied by a hot or cold method. This is the most common.

그러나, 상기한 복합방수는 도막방수의 재료로서 용제형 또는 수용성 아스팔트 도막방수재가 일반적으로 사용되는데, 이는 도막 두께확보를 위해 수 회에 걸쳐 도포 작업을 하여야 하므로, 양생시간, 시공기간이 길어지고 이에 따라 시공비용이 과도하게 소요되며, 도막방수재가 양생되고 난 후 비로소 방수시트를 부착하는 작업이 가능하므로, 시공기간 및 시공비용의 증가가 더욱 부각되며, 열공법(도막방수재의 양생을 위해 가열이 필요한 공법)을 적용하는 경우, 화재의 위험과 유해물질의 발생 등의 문제점이 있었다.However, for the above-mentioned composite waterproofing, solvent-type or water-soluble asphalt coating waterproofing material is generally used as a coating waterproofing material. This requires several applications to secure the thickness of the coating film, so the curing time and construction period are prolonged. Accordingly, the construction cost is excessive, and the work of attaching a waterproof sheet is possible only after the coating waterproofing material has cured, which further increases the construction period and construction cost, and the thermal method (heating for curing the coating waterproofing material) is further highlighted. When applying the necessary construction method, there were problems such as the risk of fire and the generation of hazardous substances.

한편, 상기한 시트방수나 복합방수에서 방수시트가 시공된 후에도 후속으로 누름콘크리트를 타설한다든지 장비나 건축자재 등을 운반하는 등의 이유로 방수시트 상부를 중량체가 이동하는 경우가 빈번하게 발생하고, 이에 따라, 과중한 압력에 의해 방수시트에 균열이 발생하거나 부분적으로 얇아지거나 두꺼워지게 되므로, 균일한 방수층의 두께가 확보되지 못하는 문제점이 발생하며, 특히, 시공현장의 기온, 온도에 따라서 찢어지거나 파단되는 현상이 발생하는 문제점이 발생한다.On the other hand, even after the waterproofing sheet is constructed in the above-mentioned sheet waterproofing or composite waterproofing, there are frequent cases where a weight moves on the upper part of the waterproofing sheet for reasons such as subsequent pouring of pressed concrete or transporting equipment or building materials, etc. Accordingly, due to excessive pressure, cracks occur in the waterproofing sheet or it becomes partially thinner or thicker, which causes the problem of not ensuring a uniform thickness of the waterproofing layer. In particular, it may be torn or broken depending on the temperature of the construction site. A problem occurs that causes this phenomenon to occur.

본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로, 방수시공 시 수밀성, 내균열성, 방근성 등이 증가한 우수한 방수효과를 얻을 수 있으며, 이음매 연결부의 적층에 의한 이중 접합방식에 의해 이음매의 집중응력을 분산시키고, 단차 최소시공으로 균일한 방수층으로 형성할 수 있으며, 방수시트에 저온 굴곡성, 내균열성, 내피로성, 전단 접착 강도, 인장 접착 강도를 강화하여 저온 시공 시 차량 등과 같이 중량체에 의해 과중한 압력이 방수시트에 가해지더라도 찢어지거나 파단되는 현상을 방지하고, 고온 시공 시 일측으로 밀리는 현상에 의해 방수시트가 얇아지거나 부분적으로 두꺼워지는 현상을 방지하여 균일한 두께의 확보가 이루어지게 하는 인열강도가 보강된 방수시트 및 이를 이용한 복합방수공법을 제공하는 데 그 목적이 있다.The present invention was developed to solve the above-mentioned problems, and it is possible to obtain an excellent waterproofing effect with increased watertightness, crack resistance, rooting resistance, etc. during waterproofing construction, and to concentrate the joints through a double bonding method by lamination of joint connections. It disperses stress and can form a uniform waterproof layer with minimal step construction. By strengthening the low-temperature bendability, crack resistance, fatigue resistance, shear adhesive strength, and tensile adhesive strength of the waterproof sheet, it can be used to protect heavy objects such as vehicles during low-temperature construction. Even if excessive pressure is applied to the waterproof sheet, it prevents tearing or breakage, and prevents the waterproof sheet from becoming thin or partially thick due to being pushed to one side during high-temperature construction, ensuring a uniform thickness. The purpose is to provide a waterproof sheet with reinforced thermal strength and a composite waterproofing method using it.

상기한 목적은, 스트레이트 아스팔트 25 ~ 65 중량%, 탄산칼슘 5 ~ 25 중량%, 스티렌-부타디엔-스티렌 중합체(SBS, styrene butadiene styrene rubber) 5 ~ 15 중량%, 5 ~ 50 nm의 산화아연(ZnO) 0.5 ~ 3 중량%, 감마-글리시드옥시프로필 메톡시실란(Gamma-glycidoxypropyltrimethoxysilane) 1 ~ 3 중량%, 노니톨계 핵제인 1,2,3-trideoxy-4,6:5,7-비스-O-[(4-propylphenyl)methylene]-nonitol 0.1 ~ 0.7 중량%, 폴리에틸렌 테레프탈레이트 3 ~ 10 중량%, 유기주석 화합물인 경화촉진제 0.1 ~ 3 중량%, 산화규소 1 ~ 13 중량%, 프로세스 오일 0.1 ~ 6 중량%로 조성된 컴파운드층(102)과; 상기 컴파운드층(102) 하부면에 부직포를 부착하여 형성되는 부직포층(104)과; 상기 컴파운드층(102) 상부면에 규사로 샌딩처리된 표면층(108)을 포함하는 것을 특징으로 하는 인열강도가 보강된 방수시트(100)에 의해 달성된다.The above purpose is 25 to 65% by weight of straight asphalt, 5 to 25% by weight of calcium carbonate, 5 to 15% by weight of styrene-butadiene-styrene polymer (SBS, styrene butadiene styrene rubber), and 5 to 50 nm of zinc oxide (ZnO). ) 0.5 to 3% by weight, Gamma-glycidoxypropyltrimethoxysilane 1 to 3% by weight, 1,2,3-trideoxy-4,6:5,7-bis-O, a nonnitol-based nucleating agent -[(4-propylphenyl)methylene]-nonitol 0.1 ~ 0.7% by weight, polyethylene terephthalate 3 ~ 10% by weight, curing accelerator which is an organotin compound 0.1 ~ 3% by weight, silicon oxide 1 ~ 13% by weight, process oil 0.1 ~ A compound layer 102 composed of 6% by weight; a non-woven fabric layer (104) formed by attaching non-woven fabric to the lower surface of the compound layer (102); This is achieved by a waterproof sheet 100 with reinforced tear strength, which includes a surface layer 108 sanded with silica sand on the upper surface of the compound layer 102.

한편, 상기한 목적은, 바탕면(112)을 정리한 후 프라이머를 도포하여 프라이머층(114)이 형성되면, 이 프라이머층(114)에 아스팔트 도막방수재(110)를 도포하여 도막층(116)을 형성하는 도막층 형성단계와; 상기 도막층(116)에 상기 인열강도가 보강된 방수시트(100) 포설하되, 어느 하나의 방수시트(100)와 인접설치되는 다른 하나의 방수시트(100)를 맞댐식 또는 겹침식으로 포설하여 접합부를 형성하는 시트설치단계와; 상기 시트설치단계에서 형성된 접합부의 상부에 매쉬구조를 가지며, 일면에 접착부가 형성된 매쉬망(106)을 부착시키는 매쉬망(106) 부착단계와; 상기 접합부에 부착된 매쉬망(106)의 상부에 아스팔트 도막방수재(110)를 도포하여 접합부가 아스팔트 도막방수재(110)에 의해 접합되게 하는 접합단계를 포함하는 것을 특징으로 하는 인열강도가 보강된 방수시트를 이용한 복합방수공법에 의해서도 달성된다.Meanwhile, the above-mentioned purpose is to prepare the base surface 112 and apply a primer to form the primer layer 114, and then apply the asphalt coating waterproofing material 110 to this primer layer 114 to form the coating layer 116. A coating layer forming step to form a; A waterproof sheet (100) with reinforced tear strength is installed on the coating layer (116), and one waterproof sheet (100) and another waterproof sheet (100) installed adjacent to it are installed in a back-to-back or overlapping manner. A sheet installation step of forming a joint; A mesh net 106 attachment step of attaching a mesh net 106 having a mesh structure and an adhesive portion formed on one side to the upper part of the joint formed in the sheet installation step; Reinforced tear strength, characterized in that it includes a joining step of applying asphalt film waterproofing material 110 to the upper part of the mesh network 106 attached to the joint so that the joint is joined by the asphalt film waterproofing material 110. This can also be achieved through a composite waterproofing method using waterproof sheets.

여기서, 상기 도막방수재(110)는, 스트레이트 아스팔트 30 ~ 60 중량%, 에틸렌초산비닐 공중합체(Ethylene-Vinyl acetate copolymer) 5 ~ 15 중량%, 싸이클로프로필메틸케톤 3 ~ 10 중량%, 검로진(gum rosin) 5 ~ 15 중량%, 이오노머(Ionomer) 1 ~ 7 중량%, 쇄연장제(chain extender) 5 중량% ~ 25 중량%, 1-클로로-2-메틸프로판 1 ~ 8 중량%, 프로세스 오일 5 ~ 20 중량%로 조성하는 것이 바람직하다.Here, the coating waterproofing material 110 includes 30 to 60% by weight of straight asphalt, 5 to 15% by weight of ethylene-vinyl acetate copolymer, 3 to 10% by weight of cyclopropyl methyl ketone, and gum rosin (gum). rosin) 5 to 15% by weight, ionomer 1 to 7% by weight, chain extender 5 to 25% by weight, 1-chloro-2-methylpropane 1 to 8% by weight, process oil 5 It is preferable to composition it at ~20% by weight.

본 발명은 방수시공 시 수밀성, 내균열성, 방근성 등이 증가한 우수한 방수효과를 얻을 수 있으며, 이음매 연결부의 적층에 의한 이중 접합방식에 의해 이음매의 집중응력을 분산시키고, 단차 최소시공으로 균일한 방수층으로 형성할 수 있으며, 방수시트에 저온 굴곡성, 내균열성, 내피로성, 전단 접착 강도, 인장 접착 강도를 강화하여 저온 시공 시 차량 등과 같이 중량체에 의해 과중한 압력이 방수시트에 가해지더라도 찢어지거나 파단되는 현상을 방지하고, 고온 시공 시 일측으로 밀리는 현상에 의해 방수시트가 얇아지거나 부분적으로 두꺼워지는 현상을 방지하여 균일한 두께의 확보가 이루어지게 하며, 도막층 형성 시 저온으로 용융을 실시함으로써 기존의 고온용융에 따른 도막 방수재의 급격한 산화 및 노화현상과 같은 물성저하를 방지하고, 보다 간편하게 공사할 수 있으며, 저온에서도 유연성을 유지하고, 유해가스의 발생을 억제하여 환경오염을 방지하는 효과가 있으며, SBS 중합체가 혼합된 도막방수재에서는 확보할 수 없는 경도를 향상시킬 수 있으며, 전단접착력을 상승시켜 방수 하자 발생 요인을 절감할 수 있는 효과가 있다.The present invention can achieve excellent waterproofing effects with increased watertightness, crack resistance, rooting resistance, etc. during waterproofing construction, and distributes the concentrated stress of the joints through a double bonding method by lamination of the joint connections, and achieves uniformity with minimal step construction. It can be formed as a waterproof layer, and the low-temperature bending, crack resistance, fatigue resistance, shear adhesive strength, and tensile adhesive strength of the waterproof sheet are strengthened to prevent tearing or tearing even if excessive pressure is applied to the waterproof sheet by a heavy body such as a vehicle during low-temperature construction. It prevents breakage and prevents the waterproofing sheet from becoming thin or partially thick due to being pushed to one side during high-temperature construction, ensuring a uniform thickness, and melting at a low temperature when forming the coating layer. It prevents deterioration of physical properties such as rapid oxidation and aging of the coating waterproofing material due to high-temperature melting, allows for simpler construction, maintains flexibility even at low temperatures, and prevents environmental pollution by suppressing the generation of harmful gases. , it can improve hardness that cannot be secured with film waterproofing materials mixed with SBS polymers, and has the effect of reducing the factors that cause waterproofing defects by increasing shear adhesion.

도 1은 본 발명에 따른 인열강도가 보강된 방수시트를 도시한 도면.
도 2는 본 발명에 따른 인열강도가 보강된 방수시트를 이용한 복합방수공법을 도시한 도면.1 is a view showing a waterproof sheet with reinforced tear strength according to the present invention.
Figure 2 is a diagram showing a composite waterproofing method using a waterproof sheet with reinforced tear strength according to the present invention.

본 발명에 따른 인열강도가 보강된 방수시트(100)를 첨부된 도 1과 도 2를 참조하여 설명하면 다음과 같다.The waterproof sheet 100 with reinforced tear strength according to the present invention will be described with reference to the attached FIGS. 1 and 2 as follows.

본 발명에 따른 인열강도가 보강된 방수시트(100)는 컴파운드층(102), 부직포층(104), 표면층(108)으로 구성되며, 상기 컴파운드층(102)은, 스트레이트 아스팔트 25 ~ 65 중량%, 탄산칼슘 5 ~ 25 중량%, 스티렌-부타디엔-스티렌 중합체(SBS, styrene butadiene styrene rubber) 5 ~ 15 중량%, 5 ~ 50 nm의 산화아연(ZnO) 0.5 ~ 3 중량%, 감마-글리시드옥시프로필 메톡시실란(Gamma-glycidoxypropyltrimethoxysilane) 1 ~ 3 중량%, 노니톨계 핵제인 1,2,3-trideoxy-4,6:5,7-비스-O-[(4-propylphenyl)methylene]-nonitol 0.1 ~ 0.7 중량%, 폴리에틸렌 테레프탈레이트 3 ~ 10 중량%, 유기주석 화합물인 경화촉진제 0.1 ~ 3 중량%, 산화규소 1 ~ 13 중량%, 프로세스 오일 0.1 ~ 8 중량%로 조성된다.The waterproof sheet 100 with reinforced tear strength according to the present invention is composed of a compound layer 102, a non-woven layer 104, and a surface layer 108, and the compound layer 102 is made of straight asphalt 25 to 65 weight. %, calcium carbonate 5 to 25% by weight, styrene-butadiene-styrene polymer (SBS, styrene butadiene styrene rubber) 5 to 15% by weight, 5 to 50 nm zinc oxide (ZnO) 0.5 to 3% by weight, gamma-glycide Oxypropyl methoxysilane (Gamma-glycidoxypropyltrimethoxysilane) 1 to 3% by weight, 1,2,3-trideoxy-4,6:5,7-bis-O-[(4-propylphenyl)methylene]-nonitol, a nonitol-based nucleating agent It is composed of 0.1 to 0.7% by weight, 3 to 10% by weight of polyethylene terephthalate, 0.1 to 3% by weight of a curing accelerator, which is an organotin compound, 1 to 13% by weight of silicon oxide, and 0.1 to 8% by weight of process oil.

본 발명 인열강도가 보강된 방수시트(100)의 컴파운드층(102)을 조성하는 구성요소 중 스트레이트 아스팔트는 침입도가 80 ~ 100, 연화점이 42∼50℃,이고 저 비점인 AP-3를 주로 사용하는 바, 상기한 첨가물 중 감마-글리시드옥시프로필 메톡시실란(Gamma-glycidoxypropyltrimethoxysilane)과 상승작용하여 AP-5 보다 점착 강도도 향상되며, 우수한 내한성과 저온에서도 점착력이 발휘되므로, AP-3를 사용하는 것이 바람직하다.Among the components forming the compound layer 102 of the waterproof sheet 100 with reinforced tear strength of the present invention, straight asphalt has a penetration degree of 80 to 100, a softening point of 42 to 50 ℃, and AP-3 with a low boiling point. It is mainly used. Among the above additives, it acts synergistically with Gamma-glycidoxypropyltrimethoxysilane to improve adhesive strength compared to AP-5, and has excellent cold resistance and adhesive strength even at low temperatures, so AP-3 It is desirable to use .

상기 인열강도가 보강된 방수시트(100)의 전체 중량을 기준으로 스트레이트 아스팔트는 25 ~ 65 중량%를 첨가하는데, 25 중량% 미만 첨가 시 초기 점착력이 저하되고 다른 첨가물의 함량이 초과되므로 가격이 상승하고, 65 중량% 초과 첨가 시 가격은 내려가나 저온에서 방수시트(100)가 깨지며, 감마-글리시드옥시프로필 메톡시실란(Gamma-glycidoxypropyltrimethoxysilane)이 접착력 강화기능이 미미하게 되므로, 상승작용이 발생하지 않는다.Based on the total weight of the waterproof sheet 100 with reinforced tear strength, 25 to 65% by weight of straight asphalt is added. When less than 25% by weight is added, the initial adhesion decreases and the content of other additives exceeds, so the price increases. increases, and when more than 65% by weight is added, the price decreases, but the waterproof sheet (100) breaks at low temperatures, and the adhesion strengthening function of gamma-glycidoxypropyltrimethoxysilane is minimal, so the synergistic effect is does not occur

본 발명 인열강도가 보강된 방수시트(100)의 컴파운드층(102)을 조성하는 구성요소 중 탄산칼슘(CaCO3)은 조성물간의 결합력을 향상시키며, 충진재의 기능을 하는 것으로서, 인열강도가 보강된 방수시트(100)의 전체 중량을 기준으로 5 ~ 25 중량5를 첨가하는 바, 5 중량% 미만 첨가 시 결합력 강화효과가 미미하며, 비중만 증가시키고, 25 중량% 초과 첨가 시 가격 인하효과는 발생하나, 점착력 저하, 점도 상승으로 내한성 저하, 고 비중으로 인한 제품 중량 증가로 이동 및 설치가 어려우며, 벽체 설치시 떨어지는 현상 발생한다.Among the components forming the compound layer 102 of the waterproof sheet 100 with reinforced tear strength of the present invention, calcium carbonate (CaCO 3 ) improves the bonding strength between the compositions and functions as a filler, and the tear strength is 5 to 25% by weight is added based on the total weight of the reinforced waterproof sheet (100). When less than 5% by weight is added, the effect of strengthening the bonding strength is minimal, and only increases specific gravity, and when added in excess of 25% by weight, it has a price reduction effect. However, it is difficult to move and install due to low adhesion, low cold resistance due to increased viscosity, and increased product weight due to high specific gravity, and falling occurs when installed on a wall.

본 발명 인열강도가 보강된 방수시트(100)의 컴파운드층(102)을 조성하는 구성요소 중 스티렌-부타디엔-스티렌 중합체(SBS, styrene butadiene styrene rubber)은 부타디엔(butadiene)과 스타이렌(styrene)을 유기용매에서 중합한 블록(block) 공중합체로서 리니어(Linear), 래디얼(Radial)구조를 갖고 있으며, 리니어(Linear) 구조는 부타디엔(butadiene) 과 스타이렌(styrene)의 2면이 중합되어 고온의 아스팔트 컴파운드(asphalt compound)내에서 잘 녹으면서 분산이 잘 되지만 래디얼(Radial) 구조는 부타디엔(butadiene)과 스타이렌(styrene)의 4면이 중합되어 고온의 아스팔트 컴파운드(asphalt compound) 내에서 잘 녹지 않으며 또한 분산도 어렵다. Among the components forming the compound layer 102 of the waterproof sheet 100 with reinforced tear strength of the present invention, styrene-butadiene-styrene polymer (SBS, styrene butadiene styrene rubber) is composed of butadiene and styrene. It is a block copolymer polymerized in an organic solvent and has linear and radial structures. The linear structure is polymerized on two sides of butadiene and styrene and can be used at high temperatures. It dissolves and disperses well in asphalt compound, but the radial structure is polymerized on the four sides of butadiene and styrene, so it does not melt well in asphalt compound at high temperatures. It is also difficult to disperse.

본 발명에서는 인장강도, 내열성, 탄성, 점착력 등을 고려하여 혼합 사용하였으며, 본 발명에서는 아스팔트(asphalt) 및 다른 구성 요소와의 관계를 고려하여 첨가량을 5 중량% ~ 15 중량%로 한정하여 원가 절감, 작업성 수월, 방수시트(100)의 인열강도 기능을 극대화하였다. In the present invention, the mixture was used considering tensile strength, heat resistance, elasticity, and adhesion, and in the present invention, considering the relationship with asphalt and other components, the addition amount was limited to 5% by weight to 15% by weight to reduce costs. , ease of workability, and maximized tear strength function of the waterproof sheet (100).

열가소성 고무인 스티렌-부타디엔-스티렌 중합체를 5 중량% 미만 첨가하면 탄성을 잃어 시트가 잘 파손되고, 내열성도 현저히 떨어지며, 15 중량% 초과 첨가하면 아스팔트 컴파운드(asphalt compound)내에 스티렌-부타디엔-스티렌 중합체 중 부타디엔(butadiene)과의 중합할 수 있는 단량체(monomer)가 적어져 고탄성, 점착력, 내열성 등의 큰 효과가 없고 오히려 원가만 상승하는 결과만 초래한다.If less than 5% by weight of styrene-butadiene-styrene polymer, which is a thermoplastic rubber, is added, elasticity is lost, the sheet is prone to breakage, and heat resistance is significantly reduced, and if more than 15% by weight is added, butadiene among the styrene-butadiene-styrene polymers in the asphalt compound is added. As the number of monomers that can be polymerized with (butadiene) decreases, there are no significant effects such as high elasticity, adhesion, and heat resistance, and it only results in an increase in cost.

본 발명 인열강도가 보강된 방수시트(100)의 컴파운드층(102)을 조성하는 구성요소 중 산화아연(ZnO)은 자외선 차단 성능이 우수한 금속산화물로서, 형상은 구형, 막대형, 침형 등의 입자 형상 또는 중공(hollow) 형상일 수 있으며, 평균입경 5 ~ 50 ㎚일 때, 차열 효과가 우수하고, 0.5 중량% 미만 첨가 시 차열효과기 미미하며, 3 중량% 초과 첨가 시 방수시트(100)가 딱딱해져 깨지는 문제점이 있으므로, 0.5 ~ 3 중량% 범위내에서 첨가하는 것이 바람직하다.Among the components that make up the compound layer 102 of the waterproof sheet 100 with reinforced tear strength of the present invention, zinc oxide (ZnO) is a metal oxide with excellent UV blocking performance, and has a shape such as a sphere, rod, or needle. It may be in a particle shape or a hollow shape, and when the average particle size is 5 ~ 50 ㎚, the heat shielding effect is excellent. When added less than 0.5% by weight, the heat shielding effect is minimal, and when added over 3% by weight, the waterproof sheet (100) Since there is a problem that it hardens and breaks, it is preferable to add it within the range of 0.5 to 3% by weight.

본 발명 인열강도가 보강된 방수시트(100)의 컴파운드층(102)을 조성하는 구성요소 중 감마-글리시드옥시프로필 메톡시실란(Gamma-glycidoxypropyltrimethoxysilane)는 도막과 소지면과의 접착을 증진시켜 주는 접착 증진제로서, 1 중량% 미만 첨가 시 접착력이 저하되고 3 중량%를 초과할 경우는 도막의 점착성이 남아 있을 우려가 있고, 가격만 상승하므로 1 ~ 3 중량% 범위 이내에서 첨가하는 것이 바람직하다.Among the components forming the compound layer 102 of the waterproof sheet 100 with reinforced tear strength of the present invention, gamma-glycidoxypropyltrimethoxysilane improves the adhesion between the coating film and the base surface. As an adhesion promoter, when added less than 1% by weight, the adhesion decreases, and when added more than 3% by weight, there is a risk that the adhesiveness of the coating film may remain, and the price only increases, so it is preferable to add it within the range of 1 to 3% by weight.

본 발명 인열강도가 보강된 방수시트(100)의 컴파운드층(102)을 조성하는 구성요소 중 노니톨계 핵제인 1,2,3-trideoxy-4,6:5,7-비스-O-[(4-propylphenyl)methylene]-nonitol는 통상적으로 투명성을 높이기 위해 첨가되는 것이며, 이는 결정 입자의 크기를 줄임으로써, 투명도를 향상시키는 것인데, 본 발명에서는 상기한 산화아연(ZnO)의 결정 입자 크기를 줄이는 용도로 첨가되며, 이에 따라, 산화아연(ZnO)이 혼합되면서 고르고 균일하게 분산되어 분포되게 함으로써, 차열성을 향상시키게 한 것이며, 1 중량% 미만 첨가 시 산화아연의 결정 입자 크기를 줄이는데 그 효과가 미미하며, 3 중량% 초과 첨가 시 산화아연의 결정 입자 크기를 충분히 줄여주는 효과는 향상되나, 가격이 상승하므로, 1 ~ 3 중량% 범위내에서 첨가하는 것이 바람직하다.Among the components forming the compound layer 102 of the waterproof sheet 100 with reinforced tear strength of the present invention, 1,2,3-trideoxy-4,6:5,7-bis-O-[ (4-propylphenyl)methylene]-nonitol is usually added to increase transparency, which improves transparency by reducing the size of crystal particles. In the present invention, the crystal particle size of zinc oxide (ZnO) is increased. It is added for the purpose of reducing zinc oxide (ZnO), and as a result, it is mixed and distributed evenly and uniformly to improve heat insulation, and when less than 1% by weight is added, it is effective in reducing the crystal particle size of zinc oxide. It is insignificant, and when more than 3% by weight is added, the effect of sufficiently reducing the crystal particle size of zinc oxide is improved, but the price increases, so it is preferable to add it within the range of 1 to 3% by weight.

본 발명 인열강도가 보강된 방수시트(100)의 컴파운드층(102)을 조성하는 구성요소 중 폴리에틸렌 테레프탈레이트는 테레프탈산과 에틸렌글리콜을 축합중합하여 얻을 수 있는 포화 폴리에스터이며, 결정성으로서 강성, 전기적 성질, 내유성 등이 뛰어나고, 높은 온도에 오랫동안 있어도 극한강도가 약간만 줄어들고, 내열성이 매우 우수하며, 피로강도 등도 우수하여 온도와 습도의 영향을 덜 받고, 높은 기계적 강도와 내후성을 가지고 있어, 시공 후 오랜 시간이 경과하여도 시트가 변형되는 것을 방지하며, 3 중량% 미만 첨가 시 내열성이 저하되고, 기계적 강도와 내후성을 기대만큼 얻기 어렵고, 10 중량% 초과 첨가 시 강성, 피로강도, 내열성, 기계적 강도의 향상은 얻을 수 있으나, 초과로 첨가한 만큼의 기대치에 미치지 못하므로 가격만 상승하므로 5 ~ 10 중량%를 첨가하는 것이 바람직하다.Among the components forming the compound layer 102 of the waterproof sheet 100 with reinforced tear strength of the present invention, polyethylene terephthalate is a saturated polyester obtained by condensation polymerization of terephthalic acid and ethylene glycol, and is crystalline, rigid, and It has excellent electrical properties, oil resistance, etc., and its ultimate strength decreases only slightly even when exposed to high temperatures for a long period of time. It has excellent heat resistance and excellent fatigue strength, so it is less affected by temperature and humidity, and has high mechanical strength and weather resistance, so it has high mechanical strength and weather resistance after construction. It prevents the sheet from being deformed even after a long period of time. When less than 3% by weight is added, heat resistance deteriorates, and it is difficult to obtain mechanical strength and weather resistance as expected, and when more than 10% by weight is added, rigidity, fatigue strength, heat resistance, and mechanical strength decrease. Improvement can be achieved, but it does not meet expectations as much as added in excess, so the price only increases, so it is preferable to add 5 to 10% by weight.

본 발명 인열강도가 보강된 방수시트(100)의 컴파운드층(102)을 조성하는 구성요소 중 유기주석 화합물인 경화촉진제는 속경화를 가능하도록 하기 위해 첨가되는 것으로 친환경적인 유기주석화합물(Dibutyl tin dilaulate)을 첨가하고, 컴파운드층(102) 조성물이 완성될 때 경화 반감기를 짧게 만들어 주는 것으로서, 후술하게 될 부직포층(104)의 부직포에 함침되는 속도를 조절하며, 0.1 중량% 미만이면 경화 반감기가 짧아지게 하는 데 영향을 미치지 않고, 3 중량%를 초과하면 경화속도가 너무 짧아지게 되므로 부직포에 함침되지 않는다.Among the components forming the compound layer 102 of the waterproof sheet 100 with reinforced tear strength of the present invention, the curing accelerator, which is an organotin compound, is added to enable rapid curing and is an environmentally friendly organotin compound (Dibutyl tin). dilaulate) is added to shorten the curing half-life when the compound layer 102 composition is completed, and the speed of impregnation into the non-woven fabric of the non-woven fabric layer 104, which will be described later, is controlled. If it is less than 0.1% by weight, the curing half-life is It does not affect shortening, and if it exceeds 3% by weight, the curing speed becomes too short, so it is not impregnated into the nonwoven fabric.

본 발명 인열강도가 보강된 방수시트(100)의 컴파운드층(102)을 조성하는 구성요소 중 산화규소는 결정체 석영으로서, 아스팔트를 포함하는 컴파운드 조성물에 충전성을 부여하여 제품의 경제적인 요건을 만족시키면서 내화학성, 방수성, 강성, 내열성 등을 우수하게 하는 역할을 하며, 1 중량% 미만 첨가 시 내화학성, 방수성, 강성, 내열성의 향상을 기대할 수 없고, 13 중량% 초과 첨가 시 내한성 및 결합력이 저하되어 바람직하지 못하다.Among the components that make up the compound layer 102 of the waterproof sheet 100 with reinforced tear strength of the present invention, silicon oxide is crystalline quartz and provides fillability to the compound composition containing asphalt to meet the economic requirements of the product. It plays a role in improving chemical resistance, waterproofing, rigidity, heat resistance, etc. while satisfying the problem. If less than 1% by weight is added, no improvement in chemical resistance, waterproofing, rigidity, and heat resistance can be expected, and if more than 13% by weight is added, cold resistance and bonding strength are reduced. It is degraded and undesirable.

본 발명 인열강도가 보강된 방수시트(100)의 컴파운드층(102)을 조성하는 구성요소 중 프로세스 오일은 조성물의 유동성, 분산성 및 아스팔트의 물성 강화제로 사용되며, 0.1 중량% 미만 사용 시 아스팔트와 검로진의 혼합시 급격한 물성변화를 억제할 수 없을 뿐만 아니라 작업온도를 적절하게 조절하기 곤란하고 또한, 인장성능이나 내열성능 향상을 확보하기 곤란하며, 6 중량% 초과 첨가 시 가소성을 상실하여 형태적 안정성을 유지할 수 없으므로 프로세스 오일의 적정함량은 0.1 ∼ 6 중량%이다.Among the components forming the compound layer 102 of the waterproof sheet 100 with reinforced tear strength of the present invention, process oil is used as an agent to enhance the fluidity and dispersibility of the composition and the physical properties of asphalt, and when used less than 0.1% by weight, asphalt Not only can it not be possible to suppress the rapid change in physical properties when mixing gum rosin, but it is also difficult to properly control the working temperature, and it is also difficult to secure improvement in tensile performance or heat resistance performance, and when more than 6% by weight is added, plasticity is lost, causing morphological problems. Since stability cannot be maintained, the appropriate content of process oil is 0.1 to 6% by weight.

본 발명에서는 파라핀계 오일(Paraffinc Oil), 나프텐계 오일(Naphthenic Oil), 아로마틱계 오일(Aromatic Oil)중 선택된 적어도 하나로 프로세스 오일을 선정할 수 있다.In the present invention, the process oil can be selected from at least one selected from paraffin oil, naphthenic oil, and aromatic oil.

상기 컴파운드층(102) 하부면에는 부직포를 부착하여 부직포층(104)을 형성하지만, 실질적으로는 컴파운드층(102) 하부에 부착된 부직포가 컴파운드층(102)에 함침되는 구조를 가지게 되며, 컴파운드층(102)의 상부에는 모래 또는 규사로 샌딩처리하여 표면층(108)을 형성함으로써, 후술하게 될 복합방수공법에서 방수시트(100)의 하부에 도포될 아스팔트 도막방수재(110)와의 접착을 향상시킬 수 있게 된다.A non-woven fabric is attached to the lower surface of the compound layer 102 to form the non-woven fabric layer 104, but in reality, the non-woven fabric attached to the lower part of the compound layer 102 has a structure in which the compound layer 102 is impregnated, and the compound layer 102 The upper part of the layer 102 is sanded with sand or silica sand to form a surface layer 108, thereby improving adhesion with the asphalt coating waterproofing material 110 to be applied to the lower part of the waterproofing sheet 100 in the composite waterproofing method to be described later. It becomes possible.

상기한 바와 같은 본 발명에 따른 인열강도가 보강된 방수시트(100)의 인장성능은 KS F 4931 규정집의 품질기준인 인장강도 13.0 N/mm 보다 높으며, 신장률 33% 보다 높고, 상기 KS F 4931 규정집의 품질기준인 저온 굴곡성도 -20℃ 이하에서도 균열이 없으므로 품질기준보다 우수하며, -20℃ 이하에서도 잔금이나 찢김, 파단현상이 생기지 않는 것으로서 내균열성까지 KS F 4931 규정집의 품질기준보다 우수한 인열강도를 가지게 되므로, 균열, 잔금, 찢김, 파단현상이 발생하지 않기 때문에 안정적인 방수층을 얻을 수 있게 된다.The tensile performance of the waterproof sheet 100 with reinforced tear strength according to the present invention as described above is higher than the tensile strength of 13.0 N/mm, which is the quality standard of the KS F 4931 regulation, and the elongation rate is higher than 33%, and the KS F 4931 The low-temperature flexibility, which is the quality standard in the regulation, is superior to the quality standard because there is no cracking even under -20℃. No cracks, tears, or fractures occur even under -20℃, and even crack resistance is superior to the quality standard in the KS F 4931 regulation. Since it has tear strength, it is possible to obtain a stable waterproof layer because cracks, crazing, tearing, and breakage do not occur.

한편, 상기한 바와 같은 구성으로 이루어진 인열강도가 보강된 방수시트(100)를 이용한 복합방수공법을 도 2를 참조하여 설명하면 다음과 같다.Meanwhile, the composite waterproofing method using the waterproof sheet 100 with reinforced tear strength configured as described above will be described with reference to FIG. 2 as follows.

먼저, 바탕면(112)을 정리한 후 프라이머를 도포하여 프라이머층(114)이 형성되면, 상기 프라이머층(114)에 아스팔트 도막방수재(110)를 도포하여 도막층(116)을 형성하는 도막층 형성단계를 실시한다.First, after preparing the base surface 112 and applying a primer to form the primer layer 114, the asphalt coating waterproofing material 110 is applied to the primer layer 114 to form the coating layer 116. Conduct the formation stage.

여기서, 상기 아스팔트 도막방수재(110)는, 스트레이트 아스팔트 30 ~ 60 중량%, 에틸렌초산비닐 공중합체(Ethylene-Vinyl acetate copolymer) 5 ~ 15 중량%, 싸이클로프로필메틸케톤 3 ~ 10 중량%, 검로진(gum rosin) 5 ~ 15 중량%, 이오노머(Ionomer) 1 ~ 7 중량%, 쇄연장제(chain extender) 5 중량% ~ 25 중량%, 1-클로로-2-메틸프로판 1 ~ 8 중량%, 프로세스 오일 5 ~ 20 중량%로 조성하는 것이 바람직하다.Here, the asphalt coating waterproofing material 110 includes 30 to 60% by weight of straight asphalt, 5 to 15% by weight of ethylene-vinyl acetate copolymer, 3 to 10% by weight of cyclopropyl methyl ketone, and gum rosin ( gum rosin 5 to 15% by weight, ionomer 1 to 7% by weight, chain extender 5 to 25% by weight, 1-chloro-2-methylpropane 1 to 8% by weight, process oil It is preferable to composition it at 5 to 20% by weight.

상기 도막방수재(110)를 조성하는 구성요소 중 스트레이트 아스팔트는 밀도(15℃)g/cm3가 1,000 이상이고, 인화점이 260℃ 이상이며, 연화점이 42℃ ~ 50℃인 침입도가 80 ~ 100로서, 원유를 상압, 감압증류장치 등을 통하여 경질분을 제거했을 때 마지막으로 잔존하는 물질로 분해되지 않는 역청질이 많이 함유되어 있는데, 침입도가 약 40 이하는 주로 공업용으로, 침입도가 약 40 이상 이상인 것은 도로포장용이나 수리를 위한 구조물용으로 사용한다.Among the components that make up the film waterproofing material 110, straight asphalt has a density (15°C) g/cm 3 of 1,000 or more, a flash point of 260°C or more, and a softening point of 42°C to 50°C and a penetration degree of 80 to 100. As a result, when light components are removed from crude oil through normal pressure, vacuum distillation, etc., it is the last remaining material and contains a lot of non-decomposed bitumen. It is mainly used for industrial purposes with a penetration degree of about 40 or less. Those over 40 are used for road paving or structures for repairs.

본 발명의 스트레이트 아스팔트의 함량이 30 중량% 미만인 경우 제품의 품질면이 저하되며, 원가 상승의 요인이 되고, 60 중량%를 초과하는 경우 점착력 및 내한성이 저하된다.If the content of the straight asphalt of the present invention is less than 30% by weight, the quality of the product deteriorates and becomes a factor in increasing the cost, and if it exceeds 60% by weight, adhesion and cold resistance decrease.

상기 도막방수재(110)를 조성하는 구성요소 중 에틸렌초산비닐 공중합체(Ethylene-Vinyl acetate copolymer)는 저점도의 극성수지로써, 접착 및 유연성이 우수하며, 내한성이 향상되고, 장기간 점착력이 유지되어 방수시공의 장소 및 계절 제한을 최소화시킬 수 있도록 하는 이점이 있으며, 상기 도막방수재(110) 조성물 전체 100 중량%를 기준으로 5 중량% 이하 첨가 시 점착력 기능이 발휘되지 못하고, 15 중량% 초과 첨가 시 내열성이 저하되며, 고온시에 흘러내리므로 5 ~ 15 중량%를 투입하는 것이 바람직하다.Among the components that make up the film waterproofing material 110, ethylene-vinyl acetate copolymer is a low-viscosity polar resin, has excellent adhesion and flexibility, improves cold resistance, and maintains adhesiveness for a long period of time, making it waterproof. There is an advantage in minimizing the location and season restrictions of construction, and when less than 5% by weight is added based on 100% by weight of the total 100% by weight of the coating waterproofing material (110) composition, the adhesive function is not exerted, and when more than 15% by weight is added, heat resistance is not achieved. This decreases and flows down at high temperatures, so it is preferable to add 5 to 15% by weight.

상기 도막방수재(110)를 조성하는 구성요소 중 싸이클로프로필메틸케톤는 도막층(116)의 기계적 특성을 향상시키는 물질로서, 도막 시공시 도막층(116)의 내균열 추종성을 향상시키는 기능을 제공하며, Among the components that make up the coating waterproofing material 110, cyclopropyl methyl ketone is a material that improves the mechanical properties of the coating layer 116, and provides the function of improving the crack resistance of the coating layer 116 during construction,

여기서, 싸이클로프로필메틸케톤은, 상기 도막방수재(110) 조성물 전체 100 중량%를 기준으로 3 ~ 10 중량%가 첨가되는데, 3 중량% 미만 첨가 시 난연, 내열 및 내자외선 기능이 저하되어 내구성까지 저하되며, 10 중량% 초과 첨가 시 오히려 탄성도가 높아지게 되어 안정성이 저하되므로, 상기와 같은 한정된 중량%를 가지는 것이 좋다Here, cyclopropyl methyl ketone is added in an amount of 3 to 10% by weight based on 100% by weight of the total composition of the coating waterproofing material 110. When less than 3% by weight is added, flame retardant, heat resistance, and UV resistance functions are reduced, leading to a decrease in durability. If more than 10% by weight is added, the elasticity increases and stability decreases, so it is better to have a limited weight% as described above.

상기 도막방수재(110)를 조성하는 구성요소 중 검로진(gum rosin)은 원하는 작업온도에서의 유동성을 강화시키고 상온에서의 경도를 유지하며 접착력을 향상시켜 상온에서의 지촉 건조시간의 향상을 위하여 사용하는데, 5 중량% 미만 첨가 시 상온에서의 경도를 유지할 수 없고 프로세스 오일의 브리딩현상을 제거하지 못하는 반면, 15 중량% 초과 첨가 시 아스팔트의 경화현상을 조장하여 바람직하지 못하므로 5 ~ 15 중량%를 첨입하는 것이 바람직하다Among the components that make up the film waterproofing material 110, gum rosin is used to enhance fluidity at the desired working temperature, maintain hardness at room temperature, and improve adhesion to improve touch drying time at room temperature. However, if less than 5% by weight is added, the hardness cannot be maintained at room temperature and the bleeding phenomenon of the process oil cannot be eliminated. However, if more than 15% by weight is added, it promotes hardening of the asphalt, which is not desirable, so 5 to 15% by weight is added. It is desirable to add

상기 도막방수재(110)를 조성하는 구성요소 중 이오노머(Ionomer)는, 올레핀계 카르복실화 이오노머인 에틸렌(ethylene)과 메틸아크린산(methylacrylic acid)의 공중합체로서 카르복실기 그룹에 Na, K, Mg, Zn 등 금속 이온에 의해 가교결합을 갖는 중합체의 총칭으로서, 이오노머는 다른 중합체나 금속호일에 접착력이 좋고 오일이나 기름에 접착력이 좋은 특징이 있다. Among the components that make up the film waterproofing material 110, the ionomer is a copolymer of ethylene, an olefinic carboxylated ionomer, and methylacrylic acid, and contains Na, K, and Mg in the carboxyl group. Ionomer is a general term for polymers that are cross-linked by metal ions such as , Zn, etc., and is characterized by good adhesion to other polymers and metal foils and to oils and oils.

상기 이오노머의 특징은 이온가교된 분자가 가열되면 가교결합이 끊어져 열접착성이 나타나기 때문에 가공성이 좋아지며, 냉각되면 다시 이온 가교되어 견고해지기 때문에 기계적 성질이 뛰어나다. 그 밖에 내유성, 내한성이 뛰어나고, 강산, 강알칼리, 그리스 오일, 유기용제와 물에 대하는 저항이 뛰어나다. The characteristic of the ionomer is that when the ion cross-linked molecules are heated, the cross-links are broken and thermal adhesiveness appears, which improves processability, and when cooled, the ion cross-links again become solid, so it has excellent mechanical properties. In addition, it has excellent oil resistance, cold resistance, and resistance to strong acids, strong alkalis, grease oil, organic solvents, and water.

본 발명에서는 스트레이트 아스팔트내 아스팔텐의 카르복실기와 금속이온을 갖는 이오노머를 혼합하여 치밀한 초분자 네트워크를 형성하고 열가소성 고분자의 공유결합을 혼합함으로써, 고무아스팔트의 망상구조를 더욱 치밀하게 해주며 분자간 또는 초분자간 인력에 의해 재료내에 발생된 균열 또는 긁힘 등의 외부손상 및 미세균열이 자가치유되게 한다.In the present invention, a dense supramolecular network is formed by mixing the carboxyl group of asphaltene in straight asphaltene with an ionomer having a metal ion, and by mixing covalent bonds of thermoplastic polymers, the network structure of rubber asphalt is made more dense and intermolecular or supramolecular attraction force is formed. This allows external damage such as cracks or scratches and microcracks generated within the material to self-heal.

본 발명에 사용된 이오노머는 가루나 알갱이 형태의 올레핀계 카르복실 이오노머로 에틸렌과 (메타)아크릴산이 공중합된 고분자로 카르복시 음이온이 나트륨(Na) 또는 아연(Zn)의 중성화 양이온의 정전기적 인력으로 인하여 초분자형 네트워크 고분자 사슬 사이에서 가역적 가교 역할을 한다. The ionomer used in the present invention is an olefin-based carboxylic ionomer in powder or granular form. It is a polymer copolymerized with ethylene and (meth)acrylic acid, and the carboxy anion is formed due to the electrostatic attraction of the neutralizing cation of sodium (Na) or zinc (Zn). It acts as a reversible bridge between supramolecular network polymer chains.

또한, 올레핀계 카르복실 이오노머는 약 75 ~ 80%의 수소결합과 15 ~ 20%의 이온결합으로 이루어지며, 아스팔트내의 말텐과 비공유결합인 수소결합을 형성하고 금속화합물과는 이온결합을 형성한다.In addition, the olefin-based carboxylic ionomer consists of approximately 75 to 80% hydrogen bonds and 15 to 20% ionic bonds, and forms non-covalent hydrogen bonds with maltenes in asphalt and ionic bonds with metal compounds.

상기 도막방수재(110)가 높은 사슬 운동성과 많은 가교점을 동시에 가지기 위해서는 선형 및 비선형 초분자체를 적절히 혼합하는 것이 중요하므로, 상기 도막방수재(110) 조성물 전체 100 중량%에 대하여 1 ~ 7 중량%를 첨가하는 것이 바람직하다.In order for the film waterproofing material 110 to have high chain mobility and many cross-linking points at the same time, it is important to properly mix linear and non-linear supramolecular sieves, so 1 to 7% by weight based on 100% by weight of the total composition of the film waterproofing material 110. It is desirable to add

본 발명에 사용된 에틸렌기반 이오노머는 에틸렌계열의 수지와 물성도 비슷하고 혼합이 용이한 특징이 있으나, 본 발명에서는 극성을 가진 에틸렌초산비닐 공중합체를 혼합함으로써 아스팔트와의 상용성도 증진시켰으며, 이오노머의 카르복시 음이온과 에틸렌초산비닐 공중합체의 쌍극간 결합력도 유도함으로써 복합적인 자가치유 능력을 증대시켰다.The ethylene-based ionomer used in the present invention has similar physical properties to ethylene-based resins and is easy to mix, but in the present invention, compatibility with asphalt is improved by mixing a polar ethylene vinyl acetate copolymer, and the ionomer The complex self-healing ability was increased by inducing the bonding force between the carboxy anion and the dipole of the ethylene vinyl acetate copolymer.

비공유 결합과 공유 결합을 근간으로 초분자 형태의 복합 네트워크 구조를 형성시키게 되면 외부 충격에 의한 초기 파단시 분자인식 및 재배치를 통해 분자 및 원자간 상호작용력이 재형성되어 치유가 가능하게 되고, 손상된 부분을 서로 맞닿게만 하여도 손상된 부분이 수차례 복원 가능하다. By forming a supramolecular complex network structure based on non-covalent and covalent bonds, healing is possible by re-establishing the interaction forces between molecules and atoms through molecular recognition and rearrangement in the event of initial breakage due to external shock, and repairing damaged parts. Damaged parts can be restored several times just by touching them together.

상기 도막방수재(110)를 조성하는 구성요소 중 쇄연장제(chain extender)는 경화 반응을 지연시켜 가사시간을 확보하고 도막의 물리적 특성(예를 들어,아민 당량이 100 내지 200 g/eq인 벤젠아민계 화합물 신장율, 경도)을 높이는 역할을 한다. Among the components that make up the coating film waterproofing material 110, the chain extender secures the pot life by delaying the curing reaction and improves the physical properties of the coating film (for example, benzene with an amine equivalent weight of 100 to 200 g/eq). Amine-based compounds play a role in increasing elongation and hardness.

상기 벤젠아민계 화합물의 아민 당량이 100 g/eq 미만일 경우에는 경화속도가 빨라 가사시간의 확보가 어렵거나 신율이 저하될 수 있고, 200 g/eq를 초과할 경우에는 경화속도가 느려질 수 있으며, 상기 벤젠아민계 화합물은 구체적으로 아닐린, 4,4'-메틸렌-비스(3-클로로-2,6-디에틸아닐린), 또는 디메틸티오-톨루엔디아민(DMTDA)일 수 있다.If the amine equivalent weight of the benzene amine-based compound is less than 100 g/eq, the curing speed is fast, making it difficult to secure pot life or the elongation may be reduced, and if it exceeds 200 g/eq, the curing speed may be slow, The benzeneamine-based compound may specifically be aniline, 4,4'-methylene-bis(3-chloro-2,6-diethylaniline), or dimethylthio-toluenediamine (DMTDA).

상기 도막방수재(110) 조성물 전체 100 중량%에 대하여 쇄연장제가 5 중량% 미만 첨가 시 가사시간을 확보하기 어렵거나 도막의 물리적 특성이 저하될 수 있고, 25 중량% 초과 첨가 시 도막의 경도 및 신장율이 저하될 수 있다.When less than 5% by weight of the chain extender is added based on the total 100% by weight of the coating waterproofing material (110) composition, it may be difficult to secure the pot life or the physical properties of the coating film may be deteriorated, and when more than 25% by weight is added, the hardness and elongation of the coating film may decrease. This may deteriorate.

상기 도막방수재(110)를 조성하는 구성요소 중 1-클로로-2-메틸프로판은 조성물들과 반응하여 도막층(116)을 형성하는 물질로서, 상기 도막방수재(110) 조성물 전체 100 중량%를 기준으로 1 ~ 8 중량%가 혼합되는데, 1 중량%를 미만 첨가 시 접착 강도가 저하되는 문제점이 있고, 8 중량% 초과 첨가 시 점성이 너무 커지게 되어 시공성이 저하되므로, 상기와 같은 한정된 범위의 첨가량을 유지되는 것이 바람직하다.Among the components that make up the coating waterproofing material 110, 1-chloro-2-methylpropane is a material that reacts with the compositions to form the coating layer 116, and is based on 100% by weight of the total composition of the coating waterproofing material 110. 1 to 8% by weight is mixed, but when less than 1% by weight is added, there is a problem that the adhesive strength decreases, and when more than 8% by weight is added, the viscosity becomes too large and workability is reduced, so the addition amount is limited to the above range. It is desirable to maintain .

상기 도막방수재(110)를 조성하는 구성요소 중 프로세스 오일은 조성물의 유동성, 분산성 및 아스팔트의 물성 강화제로 사용되며, 소량 사용시 아스팔트와 검로진의 혼합시 급격한 물성변화를 억제할 수 없을 뿐만 아니라 작업온도를 적절하게 조절하기 곤란하고, 방수재의 인장성능이나 내열성능 향상을 확보하기 곤란하며, 그 양이 지나치게 많을 경우 가소성을 상실하여 형태적 안정성을 유지할 수 없으므로 프로세스 오일의 적정함량은 5 ∼ 20중량%이다. 본 발명에서 사용가능한 프로세스 오일의 종류로는 크게 나프탄계, 파라핀계, 아로매틱계 등이 있고, 열가소성 수지와의 상용성을 고려하면 나프탄계가 프로세스 오일이 바람직하다.Among the components that make up the coating waterproofing material 110, process oil is used as an agent to enhance the fluidity and dispersibility of the composition and the physical properties of asphalt. When used in small amounts, not only is it unable to suppress rapid changes in physical properties when mixing asphalt and gum rosin, but also increases the working temperature. It is difficult to properly adjust and it is difficult to secure improvement in the tensile performance or heat resistance of the waterproofing material, and if the amount is too large, plasticity is lost and morphological stability cannot be maintained, so the appropriate content of process oil is 5 to 20% by weight. am. Types of process oils that can be used in the present invention include naphthane-based, paraffin-based, and aromatic-based. Considering compatibility with thermoplastic resins, naphthane-based process oils are preferable.

한편, 상기한 바와 같이 도막층 형성단계에 의하여 상기한 아스팔트 도막방수재(110)로 형성된 도막층(116)에는 본 발명에 따른 인열강도가 보강된 방수시트(100)의 부직포층(104)이 도막층(116)에 접착되도록 방수시트(100)를 포설하는 시트설치단계를 실시하여 규사로 샌딩처리된 표면층(108)이 상부로 노출되게 하되, 이때, 시트설치단계에서는 어느 하나의 방수시트(100)와 인접설치되는 다른 하나의 방수시트(100)를 맞대거나 겹치게 하여 접합부가 형성되게 한다.Meanwhile, the non-woven fabric layer 104 of the waterproof sheet 100 with reinforced tear strength according to the present invention is attached to the coating layer 116 formed of the asphalt coating waterproofing material 110 through the coating layer forming step as described above. A sheet installation step of laying the waterproof sheet 100 to be adhered to the coating layer 116 is performed so that the surface layer 108 sanded with silica sand is exposed to the top. At this time, in the sheet installation step, any one waterproof sheet ( 100) and another waterproof sheet 100 installed adjacent to each other or overlap each other to form a joint.

또한, 상기 시트설치단계에서 형성된 접합부의 상부에 매쉬구조를 가지며, 일면에 접착부가 형성된 매쉬망(106)을 부착시키는 매쉬망(106) 부착단계를 실시하여 양측 방수시트(100) 일단과 타단 상부에서 양측 방수시트(100)의 일단과 타단 상부를 덮게 한다.In addition, a mesh network 106 attachment step is performed to attach a mesh network 106, which has a mesh structure and an adhesive portion formed on one side, to the upper part of the joint formed in the sheet installation step, and performs a mesh network 106 attachment step on one end and the other end of the waterproof sheet 100 on both sides. Cover the upper part of one end and the other end of the waterproof sheet (100) on both sides.

상기 매쉬망(106) 부착단계에 의해 매쉬망(106)(122)이 접합부에 설치되면, 매쉬망(106)의 상부로 상기 아스팔트 도막방수재(110)를 도포하여 접합부가 아스팔트 도막방수재(110)에 의해 접합되게 하는 접합단계를 실시함으로써, 인열강도가 보강된 방수시트(100)를 이용한 복합방수공법이 완료된다.When the mesh networks 106 and 122 are installed at the joint through the mesh network 106 attachment step, the asphalt coating waterproofing material 110 is applied to the upper part of the mesh network 106 so that the joint is formed with the asphalt coating waterproofing material 110. By carrying out the joining step of joining, the composite waterproofing method using the waterproof sheet 100 with reinforced tear strength is completed.

따라서, 상기 인열강도가 보강된 방수시트(100)를 이용한 복합방수공법이 완료된 후 누름콘크리트를 타설하게 될 경우 차량이나 작업자가 방수시트(100)의 표면층(108) 상부로 보행 및 주행하거나, 중량체로 이루어진 건축자재를 옮기는 과정에서 방수시트(100)의 표면층(108)에 과중한 압력이 가해진다 하더라도 저온 굴곡성, 내균열성, 내피로성, 전단 접착 강도, 인열강도 및 인장 접착 강도가 강화된 방수시트(100)가 찢어지거나 파단되는 현상이 방지될 수 있어 방수성능을 보장할 수 있게 된다.Therefore, when pressed concrete is poured after the composite waterproofing method using the waterproof sheet 100 with reinforced tear strength is completed, a vehicle or worker walks or drives on the top of the surface layer 108 of the waterproof sheet 100, or Even if excessive pressure is applied to the surface layer 108 of the waterproof sheet 100 in the process of moving heavy building materials, low-temperature bendability, crack resistance, fatigue resistance, shear adhesive strength, tear strength, and tensile adhesive strength are strengthened. Torn or breakage of the waterproof sheet 100 can be prevented, thereby ensuring waterproof performance.

100 : 방수시트
102 : 컴파운드층 104 : 부직포층
106 : 매쉬망 108 : 표면층
110 : 도막방수재 112 : 바탕면
114 : 프라이머층 116 : 도막층100: Waterproof sheet
102: Compound layer 104: Nonwoven layer
106: mesh network 108: surface layer
110: Paint waterproofing material 112: Base surface
114: primer layer 116: coating layer

Claims (3)

컴파운드층(102) 하부면에 부직포를 부착하여 형성되는 부직포층(104)과, 상기 컴파운드층(102) 상부면에 규사로 샌딩처리된 표면층(108)을 포함하는 인열강도가 보강된 방수시트에 있어서,
상기 컴파운드층(102)은,
스트레이트 아스팔트 25 ~ 65 중량%, 탄산칼슘 5 ~ 25 중량%, 스티렌-부타디엔-스티렌 중합체(SBS, styrene butadiene styrene rubber) 5 ~ 15 중량%, 5 ~ 50 nm의 산화아연(ZnO) 0.5 ~ 3 중량%, 감마-글리시드옥시프로필 메톡시실란(Gamma-glycidoxypropyltrimethoxysilane) 1 ~ 3 중량%, 노니톨계 핵제인 1,2,3-trideoxy-4,6:5,7-비스-O-[(4-propylphenyl)methylene]-nonitol 0.1 ~ 0.7 중량%, 폴리에틸렌 테레프탈레이트 3 ~ 10 중량%, 유기주석 화합물인 경화촉진제 0.1 ~ 3 중량%, 산화규소 1 ~ 13 중량%, 프로세스 오일 0.1 ~ 6 중량%로 조성된 것을 특징으로 하는 인열강도가 보강된 방수시트.
A waterproof sheet with reinforced tear strength comprising a non-woven fabric layer (104) formed by attaching a non-woven fabric to the lower surface of the compound layer (102) and a surface layer (108) sanded with silica sand on the upper surface of the compound layer (102). In
The compound layer 102 is,
Straight asphalt 25 to 65% by weight, calcium carbonate 5 to 25% by weight, styrene-butadiene-styrene polymer (SBS, styrene butadiene styrene rubber) 5 to 15% by weight, 5 to 50 nm zinc oxide (ZnO) 0.5 to 3% by weight %, Gamma-glycidoxypropyltrimethoxysilane 1 to 3% by weight, 1,2,3-trideoxy-4,6:5,7-bis-O-[(4- Composed of 0.1 to 0.7 wt% of propylphenyl)methylene]-nonitol, 3 to 10 wt% of polyethylene terephthalate, 0.1 to 3 wt% of curing accelerator, an organotin compound, 1 to 13 wt% of silicon oxide, and 0.1 to 6 wt% of process oil. A waterproof sheet with reinforced tear strength.
 바탕면(112)을 정리한 후 프라이머를 도포하여 프라이머층(114)이 형성되면, 이 프라이머층(114)에 아스팔트 도막방수재(110)를 도포하여 도막층(116)을 형성하는 도막층 형성단계와;
상기 도막층(116)에 제1항에 의한 인열강도가 보강된 방수시트(100)를 포설하되, 어느 하나의 방수시트(100)와 인접설치되는 다른 하나의 방수시트(100)를 맞댐식 또는 겹침식으로 포설하여 접합부를 형성하는 시트설치단계와;
상기 시트설치단계에서 형성된 접합부의 상부에 매쉬구조를 가지며, 일면에 접착부가 형성된 매쉬망(106)을 부착시키는 매쉬망(106) 부착단계와;
상기 접합부에 부착된 매쉬망(106)의 상부에 아스팔트 도막방수재(110)를 도포하여 접합부가 아스팔트 도막방수재(110)에 의해 접합되게 하는 접합단계를 포함하며,
상기 도막방수재(110)는,
스트레이트 아스팔트 30 ~ 60 중량%, 에틸렌초산비닐 공중합체(Ethylene-Vinyl acetate copolymer) 5 ~ 15 중량%, 싸이클로프로필메틸케톤 3 ~ 10 중량%, 검로진(gum rosin) 5 ~ 15 중량%, 이오노머(Ionomer) 1 ~ 7 중량%, 쇄연장제(chain extender) 5 중량% ~ 25 중량%, 1-클로로-2-메틸프로판 1 ~ 8 중량%, 프로세스 오일 5 ~ 20 중량%로 조성된 것을 특징으로 하는 인열강도가 보강된 방수시트를 이용한 복합방수공법.


After preparing the base surface 112 and applying a primer to form the primer layer 114, the asphalt coating waterproofing material 110 is applied to the primer layer 114 to form the coating layer 116. and;
A waterproof sheet (100) with reinforced tear strength according to paragraph 1 is laid on the coating layer (116), and one waterproof sheet (100) and another waterproof sheet (100) installed adjacent to each other are laid in a butt-type manner. Or a sheet installation step of laying in an overlapping manner to form a joint;
A mesh network (106) attaching step of attaching a mesh network (106) having a mesh structure and an adhesive portion formed on one side to the upper part of the joint formed in the sheet installation step;
It includes a joining step of applying asphalt film waterproofing material 110 to the upper part of the mesh network 106 attached to the joint so that the joint is joined by the asphalt film waterproofing material 110,
The film waterproofing material 110 is,
Straight asphalt 30 to 60% by weight, ethylene-vinyl acetate copolymer 5 to 15% by weight, cyclopropyl methyl ketone 3 to 10% by weight, gum rosin 5 to 15% by weight, ionomer ( Characterized by being composed of 1 to 7% by weight of Ionomer, 5 to 25% by weight of chain extender, 1 to 8% by weight of 1-chloro-2-methylpropane, and 5 to 20% by weight of process oil. A composite waterproofing method using waterproof sheets with reinforced tear strength.


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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016188294A (en) * 2015-03-30 2016-11-04 旭化成株式会社 Asphalt composition
KR102063653B1 (en) * 2019-05-24 2020-01-08 티알피건설(주) Complex water proofing method
KR102309962B1 (en) * 2021-01-21 2021-10-07 주식회사 세영이엔씨 Crack resistant waterproof sheet and waterproofing method used thereof
KR102420753B1 (en) * 2022-06-27 2022-07-15 한국유지보수(주) Waterproofing construction method for asphalt bridge deck using infiltrative combined type strengthening agent, high-performance asphalt based waterproof coating agent and fiber grid

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016188294A (en) * 2015-03-30 2016-11-04 旭化成株式会社 Asphalt composition
KR102063653B1 (en) * 2019-05-24 2020-01-08 티알피건설(주) Complex water proofing method
KR102309962B1 (en) * 2021-01-21 2021-10-07 주식회사 세영이엔씨 Crack resistant waterproof sheet and waterproofing method used thereof
KR102420753B1 (en) * 2022-06-27 2022-07-15 한국유지보수(주) Waterproofing construction method for asphalt bridge deck using infiltrative combined type strengthening agent, high-performance asphalt based waterproof coating agent and fiber grid

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