KR100999508B1 - A waterproof agent and a manufacturing method thereof - Google Patents
A waterproof agent and a manufacturing method thereof Download PDFInfo
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- KR100999508B1 KR100999508B1 KR1020100058891A KR20100058891A KR100999508B1 KR 100999508 B1 KR100999508 B1 KR 100999508B1 KR 1020100058891 A KR1020100058891 A KR 1020100058891A KR 20100058891 A KR20100058891 A KR 20100058891A KR 100999508 B1 KR100999508 B1 KR 100999508B1
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- C—CHEMISTRY; METALLURGY
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- C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
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- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
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Abstract
Description
본 발명은 방수용 시트를 이용한 방수 공법에 사용되는 방수제 및 이의 제조 방법에 관한 것이다.The present invention relates to a waterproofing agent used in a waterproofing method using a waterproof sheet and a method of manufacturing the same.
건축물의 옥상방수로 등 종래의 공법은 맴브레인 방수(아스팔트, 시트, 우레탄 등), 금속판 방수, 시멘트 액체 방수, 폴리머 시멘트계 도막방수 등이 있고, 근래에는 시트와 우레탄, 아스팔트계 도막방수제와 시트, 경질비닐시트와 우레탄, 섬유시트와 우레탄, 금속시트와 우레탄, 개량아스팔트와 우레탄 등의 복합방수 등이 있다.Conventional methods such as rooftop waterproofing of buildings include membrane waterproofing (asphalt, sheet, urethane, etc.), metal sheet waterproofing, cement liquid waterproofing, and polymer cement coating waterproofing. In recent years, sheet and urethane, asphalt coating waterproofing and sheeting, and rigid vinyl Composite waterproofing of sheet and urethane, fiber sheet and urethane, metal sheet and urethane, improved asphalt and urethane.
소규모 건축물을 제외하고는 일반적으로 300제곱미터가 넘는 건물들은 구조균열이 발생하며, 이로 인하여 건축물이 누수되는 경로가 된다.Except for small buildings, structures over 300 square meters are usually caused by structural cracking, which is the path of building leakage.
종래의 기술 중 아스팔트와 시트 등은 균열 대응성은 확보되었으나 작업의 위험성, 중첩부의 결함, 통기성의 불량으로 인한 하부 콘크리트 부식이 발생되며 중첩부에 시트 두께 만큼의 단차가 생겨 물고임이 발생하며 또한 아스팔트 프라이머를 사용함으로 유기화합물이 증발하고 토오치로 시트하부를 가열할 때 유기화합물의 발생을 초래하며 금속판 방수는 외기의 변화에 의해 수축팽창이 심하여 조인트의 파단이 일어나며 우레탄방수는 탄성은 있으나 구조균열에 대한 대응성이 없으며 통기성의 불량으로 인한 하부 콘크리트 부식 등을 초래한다. 기타 시멘트액체방수, 폴리머계 시멘트계 도막방수, 규산질계 도포방수 등은 어는 정도 통기성이 있지만 균열에 대한 저항성이 없어 대규모의 건물방수제로 사용되지 않고 있다.In the prior art, asphalt and sheet have secured crack responsiveness, but corrosion of lower concrete occurs due to risk of work, defect of overlapping part and poor breathability, and stepping occurs due to sheet thickness at the overlapping part. When the organic compound evaporates and heats the lower part of the sheet with the torch, it causes the generation of organic compound. The waterproofing of the metal plate causes severe shrinkage and expansion due to the change of external air, and the fracture of the joint occurs. There is no correspondence and it causes corrosion of lower concrete due to poor breathability. Others, such as cement liquid waterproofing, polymer cement coating waterproofing, siliceous coating waterproofing, etc., are freezing, but are not used as large-scale building waterproofing agents because they are not resistant to cracking.
이러한 문제점을 해결하기 위하여 시트를 우레탄으로 결합 및 도막하는 복합방수를 주종으로 아스팔트 도막과 시트 결합, 경질비닐시트와 우레탄 결합, 섬유시트에 우레탄을 함침한 후 우레탄을 시공, 금속시트와 우레탄, 개량아스팔트와 우레탄 을 결합하는 등의 복합방수 등이 많이 적용되고 있다.In order to solve this problem, asphalt coating and sheet bonding, hard vinyl sheet and urethane bonding, and urethane is impregnated with urethane to the fiber sheet, and the construction of urethane, metal sheet and urethane, improvement Composite waterproofing, such as combining asphalt and urethane, has been widely applied.
그러나 이러한 복합방수는 아스팔트 도막과 시트의 결합시키는 전면접착의 경우 콘크리트 함유수분이나 실내 수증기의 증발이 어려워 콘크리트 내부의 부식을 초래하며 시트와 우레탄, 경질비닐시트와 우레탄 결합, 섬유시트와 우레탄 함침, 금속시트와 우레탄, 개량아스팔트와 우레탄을 결합하는 방수공법 들은 중도 도포 시까지 문제 발생은 없으나 상도 도장 시 상도제가 중도제를 수축시키는 작용을 하여 문제가 발생하며 반복적인 외기의 온도에 상승 및 하강에 수축, 팽창을 하여 시트의 수축팽창과 우레탄 도막방수의 수축팽창이 다르므로 가장 취약부인 시트와 시트의 접합부에서 파단, 손상 등의 문제가 발생하며 상부 적층용 및 시트의 조인트용으로 사용되는 우레탄 방수제는 유기 용제를 함유하여 유해유기화합물에 의해 환경문제를 야기시키며 정부의 점차적인 규제를 받으며 레벨성 저하 및 경화가 빠르면 현장 시공 시 신너를 첨가하여 환경문제를 확대시키고 있으며 개량아스팔트 시트를 용융시켜 하자발생을 초래하고 있다.However, this composite waterproofing is difficult for evaporation of concrete-containing moisture or indoor water vapor in the case of the front adhesive bonding the asphalt coating film and the sheet, causing corrosion inside the concrete, and the sheet and urethane, hard vinyl sheet and urethane bond, fiber sheet and urethane impregnation, The waterproofing method combining metal sheet and urethane, and improved asphalt and urethane does not cause any problems until the middle coating, but the top coat causes the contraction of the middle coating to cause a problem. Due to shrinkage and expansion, shrinkage expansion of sheet and shrinkage expansion of urethane film waterproofing are different, which causes problems such as breakage and damage at the joint of sheet and sheet, which is the most vulnerable part, and urethane waterproofing agent used for upper lamination and sheet joint Contains organic solvents and causes environmental problems by harmful organic compounds Kimyeo to receive the gradual regulation of government level property degradation and cured as early as during the addition of thinner construction site and expand the environmental problems and may result in the generation and let to melt the improved asphalt sheet.
또한 근래의 복합방수는 마감층이 미끄러워 겨울에 보행 시 낙상의 우려가 있어 미끄럼방지를 위하여 우레탄 중도 시공 후 건조되기 전 규사를 뿌려 주는데 이러한 공법은 인력이나 기계작업으로 하나 규사층이 일정 치 못하여 외관상 보기도 좋지 않으며 보강부분이 거칠고 두께가 다르며 얇은 시트를 사용함으로써 시트를 포설할 때 시트를 감아놓은 상태에서 펼칠 때의 인장력이 외부와 내부가 다름으로 주름이 발생하여 이를 펼칠 때 작업성이 좋지 않다.In addition, in recent years, composite waterproofing has a slippery finish layer, so there is a risk of falling when walking in the winter, so in order to prevent slipping, the silica sand is sprayed before drying after construction. The appearance is not good, and the reinforcement part is rough, the thickness is different, and by using the thin sheet, when the sheet is laid, the tensile force when unfolding the sheet is different from the outside and the inside, wrinkles occur, and the workability is poor. not.
본 발명은 상기와 같은 종래 기술의 문제점을 해결하기 위하여 안출된 것으로서, 본 발명이 해결하고자 하는 과제는 시트를 이용한 방수 공법에 적용하기 위한 방수제 및 이의 제조 방법을 제공하고자 하는 것이다.The present invention has been made to solve the problems of the prior art as described above, the problem to be solved by the present invention is to provide a waterproofing agent and a method for manufacturing the same for the waterproofing method using a sheet.
본 발명은 다음의 단계들을 포함하는 방수제의 제조 방법을 제공한다:The present invention provides a method of preparing a waterproofing agent comprising the following steps:
(1) 물 500~700중량부에 시드에멀젼 30~60중량부와 반응성 계면활성제 3~7중량부를 투입하고 70~90℃까지 승온시키는 단계;(1) 30 to 60 parts by weight of the seed emulsion and 3 to 7 parts by weight of the reactive surfactant are added to 500 to 700 parts by weight of water and heated up to 70 to 90 ° C;
(2) 수용성 촉매를 투입하고, 물 100~300중량부에 반응성 계면활성제 10~30중량부, 부틸아크릴레이트 500~700중량부, 메틸메타아크릴레이트 200~400중량부, 메타크릴산 10~30중량부, 인계 모노머 2~5중량부, 디아세톤계 모노머 30~50중량부 및 글리콜에스터 1~3중량부를 투입하는 단계;(2) A water-soluble catalyst was added and 10 to 30 parts by weight of a reactive surfactant, 500 to 700 parts by weight of butyl acrylate, 200 to 400 parts by weight of methyl methacrylate, and 10 to 30 methacrylic acid were added to 100 to 300 parts by weight of water. Weight parts, 2 to 5 parts by weight of phosphorus monomer, 30 to 50 parts by weight of diacetone monomer and 1 to 3 parts by weight of glycol ester;
(3) 상기 단계 (2)의 반응이 완결된 아크릴 수지 60~80중량% 및 수용성 우레탄 20~40중량%를 하이브리드시키는 단계;(3) hybridizing 60 to 80% by weight of the completed acrylic resin in step (2) and 20 to 40% by weight of water-soluble urethane;
(4) 상기 단계(4)의 하이브리드된 수지와 아지리딘계 촉매를 첨가시켜 상온경화형 수지를 제조하는 단계; 및 (4) preparing a room temperature-curable resin by adding the hybridized resin and the aziridine-based catalyst of step (4); And
(5) 상기 상온경화형 수지 100중량부에 대하여 체질안료 40~60중량부, 착색잉크 1~20중량부, 증점제 0.1~1.0중량부, 분산제 0.1~1.0중량부, 소포제 0.1~1.0중량부, 레벨링제 0.1~1.0중량부를 첨가하여 교반시키는 단계.(5) 40 to 60 parts by weight of extender pigment, 1 to 20 parts by weight of colored ink, 0.1 to 1.0 part by weight of thickener, 0.1 to 1.0 part by weight of dispersant, 0.1 to 1.0 part by weight of antifoaming agent, and leveling based on 100 parts by weight of the room temperature-curable resin. Adding 0.1 to 1.0 parts by weight to stir.
또한, 본 발명은 상기 방법에 의하여 제조된 방수제를 제공한다.The present invention also provides a waterproofing agent produced by the above method.
이상 설명한 바와 같이 본 발명의 방수제를 사용하는 경우, 우레탄 특유의 탄성과 접착력을 가지고 있으며, 건조가 아닌 상온경화를 함으로써 아크릴의 단점인 끈적임을 없애 내오염성을 현저히 개량시키고 내수성과 흐름성을 개선하여 외관 및 방수제의 물성을 극대화 시킬 수 있고, 사용하기 간편하여 공정이 간단하고, 휘발성 유기화합물이 증발하지 않아 작업성 및 시트의 토치융착으로 인한 화재 및 인체 손상방지의 위험성과 환경성을 제고한 효과를 갖는다.As described above, in the case of using the waterproofing agent of the present invention, it has elasticity and adhesiveness peculiar to urethane, and removes stickiness, which is a disadvantage of acrylic, by curing at room temperature rather than drying, significantly improving pollution resistance and improving water resistance and flowability. It maximizes the appearance and the properties of the waterproofing agent, and is simple to use, and the process is simple. Since the volatile organic compounds do not evaporate, it improves the risk and environmental protection of fire and human damage due to workability and torch fusion of the sheet. Have
도 1은 본 발명의 보강제를 사용한 방수 공법으로 시공한 단면을 보여준다.1 is a cross-sectional view of the construction by the waterproof method using the reinforcing agent of the present invention.
이하, 본 발명을 더욱 구체적으로 설명한다.Hereinafter, the present invention will be described in more detail.
본 발명은 다음의 단계들을 포함하는 방수제의 제조 방법을 제공한다:The present invention provides a method of preparing a waterproofing agent comprising the following steps:
(1) 물 500~700중량부에 시드에멀젼 30~60중량부와 반응성 계면활성제 3~7중량부를 투입하고 70~90℃까지 승온시키는 단계;(1) 30 to 60 parts by weight of the seed emulsion and 3 to 7 parts by weight of the reactive surfactant are added to 500 to 700 parts by weight of water and heated up to 70 to 90 ° C;
(2) 수용성 촉매를 투입하고, 물 100~300중량부에 반응성 계면활성제 10~30중량부, 부틸아크릴레이트 500~700중량부, 메틸메타아크릴레이트 200~400중량부, 메타크릴산 10~30중량부, 인계 모노머 2~5중량부, 디아세톤계 모노머 30~50중량부 및 글리콜에스터 1~3중량부를 투입하는 단계;(2) A water-soluble catalyst was added and 10 to 30 parts by weight of a reactive surfactant, 500 to 700 parts by weight of butyl acrylate, 200 to 400 parts by weight of methyl methacrylate, and 10 to 30 methacrylic acid were added to 100 to 300 parts by weight of water. Weight parts, 2 to 5 parts by weight of phosphorus monomer, 30 to 50 parts by weight of diacetone monomer and 1 to 3 parts by weight of glycol ester;
(3) 상기 단계 (2)의 반응이 완결된 아크릴 수지 60~80중량% 및 수용성 우레탄 20~40중량%를 하이브리드시키는 단계;(3) hybridizing 60 to 80% by weight of the completed acrylic resin in step (2) and 20 to 40% by weight of water-soluble urethane;
(4) 상기 단계(3)의 하이브리드된 수지와 아지리딘계 촉매를 첨가시켜 상온경화형 수지를 제조하는 단계; 및 (4) preparing a room temperature-curable resin by adding the hybridized resin and the aziridine-based catalyst of step (3); And
(5) 상기 상온경화형 수지 100중량부에 대하여 체질안료 40~60중량부, 착색잉크 1~20중량부, 증점제 0.1~1.0중량부, 분산제 0.1~1.0중량부, 소포제 0.1~1.0중량부, 레벨링제 0.1~1.0중량부를 첨가하여 교반시키는 단계.(5) 40 to 60 parts by weight of extender pigment, 1 to 20 parts by weight of colored ink, 0.1 to 1.0 part by weight of thickener, 0.1 to 1.0 part by weight of dispersant, 0.1 to 1.0 part by weight of antifoaming agent, and leveling based on 100 parts by weight of the room temperature-curable resin. Adding 0.1 to 1.0 parts by weight to stir.
또한, 본 발명은 상기 방법에 의하여 제조된 방수제를 제공한다.The present invention also provides a waterproofing agent produced by the above method.
상기 각 성분의 함량은 수십 차례에 걸친 실험에 의한 최적화를 나타낸 것이다. 시드에멀젼의 함량의 경우 상기 범위보다 적을 경우 반응 중에 또 다른 시드를 제공하여야 하며 이에 의하여 다양한 입자가 형성되어 불균일한 에멀젼을 얻게 되고, 상기 범위를 초과하는 경우 고분자를 형성하는데 제약을 받게 된다.The content of each component represents the optimization by experiments several dozen times. When the content of the seed emulsion is less than the above range, another seed must be provided during the reaction, whereby various particles are formed to obtain a non-uniform emulsion, and when exceeding the above range, the formation of the polymer is restricted.
인계 모노머와 글리콜에스터의 경우 계면접착에 중요한 인자로 상기 범위보다 적을 경우 접착이 현저히 떨어지고 상기 범위를 초과하는 경우 중합에 악영향을 주게되는 문제점이 있다. 디아세톤계 모노머의 경우 수용성 우레탄과 하이브리드역할을 제공하는 중요한 인자로 탄성과 인장강도에 지대한 영향을 미친다. 상기 범위보다 적을 경우 하이브리드 역할이 감소되고, 상기 범위를 초과하는 경우 경제적인 문제가 발생하므로 현장적용이 어렵다.Phosphorus-based monomers and glycol esters are important factors for interfacial adhesion. If they are less than the above ranges, the adhesion is significantly lowered. In the case of diacetone monomers, it is an important factor that provides a hybrid role with water-soluble urethane and has a great influence on the elasticity and tensile strength. If it is less than the above range, the hybrid role is reduced, and if it exceeds the above range, it is difficult to apply the field because economic problems occur.
증점제는 완제품의 작업성과 안정성에 영향을 미치므로 적정량으로 하여야 하며 소포제는 기포발생 억제와 파포 역할을 하는데 적정량이 아닐 경우 기포발생으로 방수기능을 상실하거나 핀홀현상이 발생할 수 있다.The thickener should affect the workability and stability of the finished product and should be in an appropriate amount. The antifoaming agent plays a role in suppressing foaming and blistering. If the amount is not appropriate, foaming may cause loss of waterproof function or pinhole phenomenon.
상기 단계 (3) 및 (5)의 경우 상기 범위 내의 사용이 아닐 경우 아크릴 우레탄이 갖는 고유한 성질 을 잃어버리거나 작업성이 현저히 떨어지게 된다.In the case of the above steps (3) and (5), if the use is not within the above range, the inherent properties of the acrylic urethane are lost or workability is significantly degraded.
본 발명의 방수제는 시트하부에 부어 시트와 바탕면과의 접착역할을 하며 시트상부에 적층 시공하여 골재 사이로 침투하여 골재간의 연결을 확보하여 골재의 탈락을 방지하고 시트 상부에 손상면이 있으면 육안으로 하자부위를 판단할 수 있으며 친환경적이다.The waterproofing agent of the present invention is poured into the lower part of the sheet and acts as an adhesive between the sheet and the base surface, and is laminated on the upper sheet to penetrate between the aggregates to secure the connection between the aggregates, thereby preventing the dropping of the aggregates and visually damaging the upper surface of the sheet. Defective parts can be judged and eco-friendly.
상기 방수제는 상온경화형 아크릴수지를 합성한 후 우레탄과 하이브리드화하여 네트워크를 형성시켜 방수제가 가져야 할 특성을 최대화한 것이다. 방수제는 수성 아크릴 수지가 갖는 특성인 내수성과 고고형분 그리고 흐름성을 제어하기 위해 시드중합을 하였고 코어쉘 구조를 병행하여 내수성이 우수한 고고형분의 수지를 합성한다.The waterproofing agent synthesizes a room temperature-curable acrylic resin and hybridizes with urethane to form a network to maximize the property of the waterproofing agent. The waterproofing agent was seed-polymerized to control the water resistance, the solid content and the flowability, which are the characteristics of the aqueous acrylic resin, and a high solids resin having high water resistance was synthesized in parallel with the core shell structure.
바람직한 제조 과정을 설명하면 아래와 같다.Referring to the preferred manufacturing process as follows.
물 600중량부에 시드에멀젼 50중량부와 반응성 계면활성제 5중량부를 투입하고 80℃까지 승온시킨다. 이곳에 수용성 촉매를 투입하고 아래의 모노머 교반을 3시간 적하시킨다. 물 200중량부에 반응성 계면활성제 20중량부, 부틸아크릴레이트 600중량부, 메틸메타아크릴레이트 300중량부와 소량의 메타크릴산과 인계 모노머 그리고 디아세톤계 모노머와 글리콜에스터를 투입해 모노머 믹싱을 만든다. 3시간 적하 후 1시간 홀딩을 거쳐 고형분 58% 이상의 수지를 만든다. 반응 완결된 수지는 70:30으로 수성아크릴과 수용성우레탄을 하이브리드시킨다. 하이브리드된 수지와 아지리딘계 촉매를 첨가시켜 상온경화형 수지를 완성한 후 수지 100중량부, 체질안료 50중량부, 착색잉크 10중량부, 증점제 0.2중량부, 분산제 0.1중량부, 소포제 0.2중량부, 레벨링제 0.3중량부를 첨가하여 교반시켜 방수제를 제조한다.50 parts by weight of the seed emulsion and 5 parts by weight of the reactive surfactant are added to 600 parts by weight of water, and the temperature is raised to 80 ° C. A water-soluble catalyst was added to this, and the following monomer stirring was dripped for 3 hours. A monomer mixture is prepared by adding 20 parts by weight of reactive surfactant, 600 parts by weight of butyl acrylate, 300 parts by weight of methyl methacrylate, a small amount of methacrylic acid and phosphorus monomer, diacetone monomer and glycol ester. After dropping for 3 hours, a 1-hour holding is performed to produce a resin having a solid content of 58% or more. The reaction was completed at 70:30 to hybridize the aqueous acrylic and the water-soluble urethane. After adding the hybridized resin and the aziridine-based catalyst to complete the room temperature curing resin, 100 parts by weight of the resin, sieving pigment 50 parts by weight, coloring ink 10 parts by weight, thickener 0.2 parts by weight, dispersant 0.1 parts by weight, antifoaming agent 0.2 parts by weight, leveling agent 0.3 parts by weight is added and stirred to prepare a waterproofing agent.
방수 공법은 상부와 하부에 방수가 가능한 시트를 사용하여 프라이머 사용 및 토치 등을 사용하지 않아 작업성이 우수하며 규격화된 부직포와 테이프가 일체화된 구조를 가진 연결재를 사용함으로써 시트 조인트의 응력에 영향을 받지 않으며, 상기 연결재에 접착력이 우수한 아크릴중합물로 만든 친환경보강제를 도포하고, 시트의 하부에 수용성아크릴과 우레탄 수지를 하이브리드화시킨 상온경화형 수용성 일액형 아크릴과 우레탄이 하이브리드화된 방수제를 부어 시트를 접착시키고 상부에는 이를 적층함으로써 수밀화를 극대화시킬 수 있다.The waterproof method uses a sheet that is waterproof at the top and the bottom, so it does not use a primer or a torch, so it is excellent in workability and uses a connecting material having a structure in which a standard nonwoven fabric and a tape are integrated to affect the stress of the seat joint. Applying an eco-friendly reinforcing agent made of an acrylic polymer having excellent adhesive strength to the connecting material, and pour the waterproofing agent of the room temperature curing type water-soluble one-component acrylic and urethane hybridized to the lower part of the sheet hybridizing water-soluble acrylic and urethane resin at the bottom of the sheet to bond the sheet. It is possible to maximize the water tightness by stacking them on top.
본 발명은 기존의 공법의 하자요인을 없애고 친환경제품을 사용함으로써 콘크리트 구조물의 균열에 영향을 받지 않고 시트와 시트의 접착면을 절연시공하여 취약부분의 파단을 방지하고 수용성아크릴과 우레탄 수지를 하이브리드화 시킨 상온경화형 수용성 일액형 아크릴과 우레탄이 하이브리드화된 방수제로 시트와 콘크리트의 접착면을 접착하여 가스나 토오치 등 별도의 공구가 필요없이 시트를 접착하고 시트 상부에 적층 시공하여 시트의 보호 및 내구성을 확보할 뿐만 아니라 수용성제품으로 친환경으로 휘발성 유기화합물을 발생하지 않는다.The present invention eliminates the defects of the existing construction method and uses environmentally friendly products to insulate the adhesive surface of the sheet without being affected by the crack of the concrete structure to prevent the breakage of the weak part and hybridize the water-soluble acrylic and urethane resin It is a waterproofing agent that hybridizes the room temperature curing type water-soluble one-component acrylic and urethane to adhere the adhesive surface of the sheet and concrete, and adheres the sheet without any tools such as gas or torch. Not only does it secure water-soluble products, it does not generate volatile organic compounds in an eco-friendly way.
방수 공법에 사용되는 시트는 상부에는 칼라골재가 전면 접착되고 하부에는 세사가 전면 접착된 바람직하게는 두께 4mm의 아스팔트 시트를 사용한다.The sheet used in the waterproofing method is preferably an asphalt sheet having a thickness of 4 mm, in which color aggregate is completely bonded to the top and sesa is completely bonded to the bottom.
상기 칼라골재는 주로 미끄럼방지 역할을 하며 시공완료 후 자외선의 난반사로 방수층의 내구성이 증대된다. 칼라골재가 없는 시트는 옥상방수 시 고온에 의해 시트 포설 후의 작업 시 작업화에 의해 밀릴 수 있다. 또한 시트의 두께가 얇으면 하절기 온도 및 로울링한 시트를 펼칠 때 응력이 달라 주름이 발생한다. 일반적인 시트는 하부에 로울링 시 고온에 의해 시트 상호 접착되는 것을 방지하기 위하여 아주 얇은 비닐이 되어있으나 본 발명의 보강제를 사용하는 방수 공법에 적용되는 시트는 세사로 마감되어 하부 방수제와의 접착력을 증가시킨다.The collar aggregate mainly serves to prevent slipping and durability of the waterproof layer is increased by diffuse reflection of ultraviolet rays after completion of construction. Sheets without color aggregate can be pushed by work shoes during work after sheet laying due to high temperatures during rooftop waterproofing. In addition, when the thickness of the sheet is thin, wrinkles occur due to different stresses when unfolding the summer temperature and the rolled sheet. The general sheet is made of very thin vinyl to prevent the sheets from being bonded to each other by the high temperature when rolling on the lower part, but the sheet applied to the waterproofing method using the reinforcing agent of the present invention is finished with a fine thread to increase the adhesion to the lower waterproofing agent. Let's do it.
방수용 조인트 테이프는 부직포 및 상기 부직포 일면의 중앙을 따라 테이프가 접착되어 제조된다.The waterproof joint tape is manufactured by adhering a tape along a nonwoven fabric and a center of one side of the nonwoven fabric.
또한, 방수 공법에 사용되는 방수용 조인트 테이프는 부직포와 테이프가 일체화된 조인트 보강롤의 형태로서 바람직하게는 아래와 같은 규격으로 만들어질 수 있다.In addition, the waterproof joint tape used in the waterproof method is preferably in the form of a joint reinforcement roll in which the nonwoven fabric and the tape are integrated, and may be preferably made as follows.
먼저, 폭 70mm, 중량 120g/㎡, 인장강도 18N, 인장신도 33%, 인열강도 9.8N인 부직포의 롤과 폭 30mm, 점착력 2.45N/10mm, 인장강도 54.8N/mm, 유지력 0.1mm/ml인 이축 연신폴리프로필렌필름 테이프의 롤을 회전가능한 롤 고정핀에 고정하고 점착면이 부직포에 점착되도록 로울링하여 부직포와 테이프를 일체화시킨 테이프를 제작한다.First, a roll of nonwoven fabric with a width of 70mm, weight of 120g / m2, tensile strength of 18N, elongation of 33%, tear strength of 9.8N, width of 30mm, adhesive strength of 2.45N / 10mm, tensile strength of 54.8N / mm, holding force of 0.1mm / ml A roll of phosphorus biaxially stretched polypropylene film tape is fixed to a rotatable roll fixing pin, and the adhesive surface is rolled to adhere to the nonwoven fabric to prepare a tape integrating the nonwoven fabric and the tape.
여기서 부직포의 중량이 높으면 보강제가 부직포에 함침되지 않아 시트 상부에 접착이 불가능할 수 있으며 인장강도가 높으면 필름테이프와의 점착면에 주름이 발생할 수 있다.In this case, when the weight of the nonwoven fabric is high, the reinforcing agent may not be impregnated in the nonwoven fabric, thereby making it impossible to bond the upper part of the sheet. If the tensile strength is high, wrinkles may occur on the adhesive surface with the film tape.
본 발명의 방수 공법은 아크릴과 우레탄이 하이브리드화된 방수제로 구조물의 끝단부나 수직구조물의 끝단부만 시트를 바닥에 포설하고, 시트상호는 점착이 안되는 절연 조인트 테이프를 시트 조인트에 포설함과 동시에 조인트 테이프 상부에 아크릴중합물을 주성분으로 하는 보강제를 도포하여 1차 접착하는 단계와 1차 건조 후 부직포를 포설함과 동시에 부직포 상부에 아크릴중합물을 주성분으로 하는 본 발명의 보강제를 부직포에 2차함침하여 시트상호간을 보강하는 단계와 시트 하부에 아크릴과 우레탄이 하이브리드화된 방수제를 부어 시트를 접착시키고 상부에 2차 적층하는 단계를 포함한다. The waterproofing method of the present invention is a hybrid of acrylic and urethane, and only the end of the structure or the end of the vertical structure is installed on the bottom of the sheet, the sheet mutually at the same time to install a non-adhesive insulating joint tape on the seat joint Applying a reinforcing agent containing the acrylic polymer as a main component on the tape, the first step of adhering and laying the nonwoven fabric after the first drying, and at the same time, the reinforcing agent of the present invention containing the acrylic polymer as the main component on the nonwoven fabric is impregnated into the nonwoven fabric. Reinforcing each other, and the acrylic and urethane hybridization of the waterproofing agent is poured into the lower portion of the sheet, and the step of laminating on the secondary.
이와 같은 목적을 달성하기 위하여 사용되는 부직포와 테이프가 일체화된 조인트 보강롤을 시트와 시트사이에 로울링하여 비점착면이 시트의 상부에 닿도록하여 시트와 시트 상부 방수제의 응력차이로 시트 조인트에서 파단을 방지한다.To achieve this purpose, the joint reinforcement roll, in which the nonwoven fabric and the tape are integrated, is rolled between the sheet and the sheet so that the non-adhesive surface touches the upper part of the sheet. To prevent breakage.
본 발명에 사용되는 보강롤의 접착제는 흡습이 가능한 보강롤의 부직포로 침투하여 조인트의 연결을 함과 동시에 상부면은 유성 제품을 제외한 다양한 수용성 제품이 접착될 수 있으며 내수성이 우수하여 방수의 역할을 한다.The adhesive of the reinforcing roll used in the present invention penetrates into the nonwoven fabric of the reinforcing roll which can absorb moisture, and at the same time, the upper surface can be bonded to various water-soluble products except oil-based products, and has excellent water resistance and plays a role of waterproofing. do.
본 발명의 방수 공법에 사용되는 재료인 친환경보강제는 각 모노머를 중합한 것으로 물, 부틸아크릴레이트, 메틸메타크릴레이트, 메타크릴산, 아크릴산 등을 중합 (순서대로 중량비 80:60:40:5:2)한 수용성 아크릴중합물로서 바람직한 제조공정을 설명하면 아래와 같다.The eco-friendly reinforcing agent, which is a material used in the waterproofing method of the present invention, polymerizes each monomer and polymerizes water, butyl acrylate, methyl methacrylate, methacrylic acid, acrylic acid and the like (in order of weight ratio 80: 60: 40: 5: 2) A preferred manufacturing process as one water-soluble acrylic polymer is described below.
먼저, 반응기를 80~90℃로 가온하고 물을 투입한 400rpm 내외로 회전시키며 부틸아크릴레이트, 메틸메타크릴레이트, 메타크릴산, 아크릴산을 차례 투입하여 교반하고 중합이 완료된 후 30℃ 이하로 냉각한 후 보조탱크에 적하한 후 증점제, 소포제, 방부제를 투입하여 교반하고 최종적으로 증점제를 넣어 점도가 적정한지 체크한 후 제품화한다.First, the reactor was heated to 80 ~ 90 ℃ and rotated around 400rpm in which water was added, butyl acrylate, methyl methacrylate, methacrylic acid, acrylic acid was added to the stirring in turn and cooled to below 30 ℃ after the polymerization was completed After dropping into the auxiliary tank, a thickener, an antifoaming agent, and a preservative are added and stirred. Finally, the thickener is added to check that the viscosity is appropriate and then commercialized.
101---시트
102---테이프
103---부직포
104---보강제
105---마감층101 --- sheet
102 --- tape
103 --- Nonwoven
104 --- Reinforcement
105 --- Finishing Layer
Claims (2)
(1) 물 500~700중량부에 시드에멀젼 30~60중량부와 반응성 계면활성제 3~7중량부를 투입하고 70~90℃까지 승온시키는 단계;
(2) 수용성 촉매를 투입하고, 물 100~300중량부에 반응성 계면활성제 10~30중량부, 부틸아크릴레이트 500~700중량부, 메틸메타아크릴레이트 200~400중량부, 메타크릴산 10~30중량부, 인계 모노머 2~5중량부, 디아세톤계 모노머 30~50중량부 및 글리콜에스터 1~3중량부를 투입하는 단계;
(3) 상기 단계 (2)의 반응이 완결된 아크릴 수지 60~80중량% 및 수용성 우레탄 20~40중량%를 하이브리드시키는 단계;
(4) 상기 단계(3)의 하이브리드된 수지와 아지리딘계 촉매를 첨가시켜 상온경화형 수지를 제조하는 단계; 및
(5) 상기 상온경화형 수지 100중량부에 대하여 체질안료 40~60중량부, 착색잉크 1~20중량부, 증점제 0.1~1.0중량부, 분산제 0.1~1.0중량부, 소포제 0.1~1.0중량부, 레벨링제 0.1~1.0중량부를 첨가하여 교반시키는 단계.A method for producing a waterproofing agent, comprising the following steps:
(1) 30 to 60 parts by weight of the seed emulsion and 3 to 7 parts by weight of the reactive surfactant are added to 500 to 700 parts by weight of water and heated up to 70 to 90 ° C;
(2) A water-soluble catalyst was added and 10 to 30 parts by weight of a reactive surfactant, 500 to 700 parts by weight of butyl acrylate, 200 to 400 parts by weight of methyl methacrylate, and 10 to 30 methacrylic acid were added to 100 to 300 parts by weight of water. Weight parts, 2 to 5 parts by weight of phosphorus monomer, 30 to 50 parts by weight of diacetone monomer and 1 to 3 parts by weight of glycol ester;
(3) hybridizing 60 to 80% by weight of the completed acrylic resin in step (2) and 20 to 40% by weight of water-soluble urethane;
(4) preparing a room temperature-curable resin by adding the hybridized resin and the aziridine-based catalyst of step (3); And
(5) 40 to 60 parts by weight of extender pigment, 1 to 20 parts by weight of colored ink, 0.1 to 1.0 part by weight of thickener, 0.1 to 1.0 part by weight of dispersant, 0.1 to 1.0 part by weight of antifoaming agent, and leveling based on 100 parts by weight of the room temperature-curable resin. Adding 0.1 to 1.0 parts by weight to stir.
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| KR20150124194A (en) * | 2014-04-28 | 2015-11-05 | 한국신발피혁연구원 | Composition of fluorine containing urethane/acrylic water repellent and waterproof |
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| KR20150124194A (en) * | 2014-04-28 | 2015-11-05 | 한국신발피혁연구원 | Composition of fluorine containing urethane/acrylic water repellent and waterproof |
| KR101585979B1 (en) | 2014-04-28 | 2016-01-18 | 한국신발피혁연구원 | Composition of fluorine containing urethaneacrylic water repellent and waterproof |
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