KR102008436B1 - Self-adhesive asphalt waterproof sheet having insulating effect - Google Patents
Self-adhesive asphalt waterproof sheet having insulating effect Download PDFInfo
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- KR102008436B1 KR102008436B1 KR1020180047722A KR20180047722A KR102008436B1 KR 102008436 B1 KR102008436 B1 KR 102008436B1 KR 1020180047722 A KR1020180047722 A KR 1020180047722A KR 20180047722 A KR20180047722 A KR 20180047722A KR 102008436 B1 KR102008436 B1 KR 102008436B1
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- asphalt
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- waterproof sheet
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- JLTDJTHDQAWBAV-UHFFFAOYSA-N Dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 claims description 3
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Images
Classifications
-
- 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
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/665—Sheets or foils impervious to water and water vapor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
- E04D11/02—Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/06—Coating on the layer surface on metal 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
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
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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
- B32B2419/00—Buildings or parts thereof
Abstract
Description
본 발명은 보온 효과를 제공하는 자착식 방수시트에 관한 것이다. 보다 상세하게는 건물 옥상 등에 부착되어 건물 내부에 보온 효과를 제공하는 자착식 방수시트에 관한 것이다.The present invention relates to a self-adhesive waterproof sheet that provides a thermal effect. More particularly, the present invention relates to a self-adhesive waterproof sheet attached to a roof of a building to provide a thermal effect inside a building.
건설 산업 분야에서 눈부신 발전에 따라 고속도로, 고속철도, 고층빌딩, 국제공항, 지하철, 초대형 운동경기장 등과 같이 대규모 건설공사가 진행되고 있는 추세이다. 그러나 경제성장과 더불어 세워진 많은 구조물이 그 진가를 발휘하기 전에 균열 및 누수의 문제로 보수/보강을 해야 하는 경우가 자주 발생하고 있다. 이러한 부분 중에서 특히 보통 옥상, 지붕 및 벽은 빗물 등이 집중적으로 침투할 수 있기 때문에 방수공사 시 특별한 주의가 필요하다. 지금까지 사용되는 있는 대표적인 방수공법은 도막방수공법, 시트방수공법, 도막시트 복합방수공법으로 분류 할 수 있다.Due to the remarkable development in the construction industry, large-scale construction projects such as highways, high-speed railways, high-rise buildings, international airports, subways, and large sports stadiums are in progress. However, many structures built with economic growth often require repair / reinforcement due to cracks and leaks. Of these areas, especially rooftops, roofs and walls require special attention when waterproofing, since rainwater can penetrate intensively. Representative waterproofing methods that have been used so far can be classified into coating waterproofing method, sheet waterproofing method, coating sheet composite waterproofing method.
도막방수공법은 연결 부위가 없는 방수층을 형성하는 시공효과는 있으나 방수층 두께의 불균일성과 에어포켓, 방수층 들뜸 발생 등의 원인으로 빈번한 하자가 발생한다. 특히 콘크리트 표면의 함수율 및 습윤상태에 따라 시공이 불가하여 시공시 콘크리트 구조물의 습윤상태를 확인하고 시공하여야 한다.The coating waterproof method has a construction effect of forming a waterproof layer without a connection site, but frequent defects occur due to the nonuniformity of the waterproof layer thickness and the occurrence of air pockets and lifting of the waterproof layer. In particular, the construction is impossible due to the moisture content and the wet state of the concrete surface. Therefore, the wet state of the concrete structure should be checked and constructed.
시트방수공법은 공상에서 일정한 두께를 형성하여 생산됨으로서 품질의 안전성은 우수하지만 방수 시공 시 필연적으로 발생하는 접합부분이 발생한다. 접합부분의 경우 시공기술자의 숙련도 및 재료의 접합안정성이 방수하자의 가장 큰 요인이 되고 있는 실정이다.The sheet waterproofing method is produced by forming a certain thickness in the daydream, so the safety of the quality is excellent, but the joints inevitably occur during waterproof construction. In the case of the joint part, the skill of the construction technician and the joint stability of the material are the most important factors for waterproofing.
시트방수재와 도막방수재의 복합방수공법은 시트방수재와 도막방수재의 이질재료간의 복합형태로 제조 및 시공시 도막방수재에 함유된 유기용재 등에 의해 시트방수재의 하부층이 용해 분리 되거나 복합층간의 분리가 일어나 방수기능을 상실하게 되는 하자도 발생하게 된다. 또한 공사기간이 늘어나며, 기존의 도막방수공법과 시트방수공법보다 낮은 경제성도 큰 단점중 하나다.In the composite waterproofing method of sheet waterproofing material and coating waterproofing material, the lower layer of sheet waterproofing material is dissolved or separated by organic materials, etc. contained in coating waterproofing material during manufacturing and construction in the form of heterogeneous material between sheet waterproofing material and coating waterproofing material. There will also be defects that result in loss of function. In addition, the longer the construction period, the lower the economic feasibility of the conventional film waterproofing and sheet waterproofing method is one of the major disadvantages.
최근 방수공사의 추세는 도막방수공법에서 시트방수공법으로 다시 도막ㅇ시트 복합방수공법으로 진행되어오다 최근에는 가격이 저렴하고 시공이 간편한 자착식시트 방수공법 개발되어 시공되고 있는 추세이다. 자착식 방수공법은 시공이 간편하고 특별한 시공기술 없이 시공이 가능한 공법으로 기존의 시트방수공법보다 시공속도가 빨라 공기단축 등 여러면에서 이점이 있는 방수공법으로 많이 시공되고 있다.Recently, the trend of waterproof construction has been progressed from coating waterproofing method to sheet waterproofing method, and to coating film-sheet composite waterproofing method. Recently, self-adhesive sheet waterproofing method with low price and easy construction is being developed and constructed. Self-sustaining waterproof method is a construction method that is easy to install and can be installed without special construction technology. The construction speed is faster than the existing sheet waterproofing method, and it is widely used as a waterproof method that has advantages in many aspects such as air shortening.
그러나 자착식 시트시공법 역시 필연적으로 시트와 시트의 연결되는 겹침부가 발생하고 시공에 부분에서는 조그만 부분의 결함도 물길이 되어 하자가 발생하는 조건이 되어 치명적인 하자로 발전할 수 있음으로 이러한 문제점을 해결하며, 저렴하면서 성능은 우수한 방수시트 및 숙련공이 시공하지 않아도 시공이 간편한 자착식 방수시트가 필요한 시점이다.However, the self-supporting sheet construction method inevitably has an overlapping part between the sheet and the sheet, and in the construction part, a small part of the defect also becomes a water condition, which can be a condition that causes defects and thus develops into a fatal defect. In addition, it is time to need self-contained waterproof sheet which is easy to install even if it is cheap and excellent performance and skilled workers do not need to construct it.
아울러 종래의 자착식 방수시트는 여름철에 햇빛에 의해 가열될 경우 고무 아스팔트의 온도가 상승하면서 기포가 발생하여 들뜸 현상이 발생하는 문제점이 있었다. 나아가 고무 아스팔트의 색상은 검은색으로 빛을 반사하지 못하므로, 고무 아스팔트 자체가 가열되면서 건물 내부 온도 또한 상승하는 문제점이 있었다.In addition, the conventional self-adhesive waterproof sheet has a problem in that when the air is heated by sunlight in the summer, the temperature of the rubber asphalt rises and bubbles are generated to lift the phenomenon. Furthermore, since the color of the rubber asphalt does not reflect light to black, there is a problem that the temperature inside the building also increases as the rubber asphalt itself is heated.
(특허문헌 1) 특허 제1176591호(2012. 8. 17. 등록, '자착식 아스팔트 방수시트와 그 제조방법')(Patent Document 1) Patent No.1176591 (August 17, 2012 registration, 'Self-adhesive asphalt waterproof sheet and its manufacturing method')
(특허문헌 2) 특허 제1006473호(2010. 12. 30. 등록 '자착식 방수시트')(Patent Document 2) Patent No. 1006473 (Registered Dec. 30, 2010, 'Self-adhesive Waterproof Sheet')
본 발명은 상기한 바와 같은 종래의 문제점을 해결하기 위한 것으로, 구조물에 부착되어 빛을 반사시킴으로써 여름철에 건물 내부를 저감시키고, 또한 고무 아스팔트의 온도가 상승하여 기포가 발생하여 들뜸 현상이 발생하는 것을 방지하는 자착식 방수시트를 제공하는 것을 목적으로 한다.The present invention is to solve the conventional problems as described above, it is attached to the structure to reflect the light to reduce the interior of the building during the summer, and also to increase the temperature of the rubber asphalt to generate bubbles by lifting the phenomenon It is an object of the present invention to provide a self-supporting waterproof sheet.
상기 목적을 달성하기 위해, 본 발명에 따르는 보온 효과를 제공하는 자착식 방수시트는, 폴리이소부틸렌, 폴리에틸렌, 스트레이트 아스팔트, 점착부여제를 포함하는 고무아스팔트; 상기 고무아스팔트 상부에 형성되며, 유리섬유를 포함하는 부직포; 상기 부직포 상부에 형성되며, 알루미늄(Al)을 포함하는 금속층; 및 상기 금속층 상부에 형성되는 표면 코팅막을 포함하는 것을 특징으로 한다.In order to achieve the above object, the self-adhesive waterproof sheet providing a warming effect according to the present invention, polyisobutylene, polyethylene, straight asphalt, rubber asphalt containing a tackifier; A nonwoven fabric formed on the rubber asphalt and including glass fibers; A metal layer formed on the nonwoven fabric and including aluminum (Al); And a surface coating film formed on the metal layer.
나아가 상기 고무아스팔트는: 폴리이소부틸렌 및 폴리에틸렌을 혼합한 후 압축 성형하여 제조한 제1 방수 시트; 스트레이트 아스팔트 15∼45중량%, 블론 아스팔트 5∼10중량%, 이소프렌을 주체로 하는 저온, 촉매 반응에 의한 점착부여제 15∼25중량%, 열가소성 엘라스토머 10∼15중량% 및 충진제 25∼35중량%를 180∼210℃에서 용융 혼합 분산시켜 얻은 고점도 아스팔트 점착제로 이루어진 제2 방수 시트; 및 스트레이트 아스팔트 5∼55중량%, 블론 아스팔트 5∼10중량%, 이소프렌을 주체로 하는 저온, 촉매 반응에 의한 점착부여제 12∼20중량%, 열가소성 엘라스토머 5∼15중량% 및 충진제 5∼20중량%를 180∼210℃에서 용융 혼합 분산시켜 얻어진 제1 혼합물에, 석유 수지 8∼15중량% 및 부틸고무 10∼15중량%를 혼합한 제2 혼합물을 100∼120℃ 이내에서 혼합 분산시켜 얻어진 아스팔트 점착제로 이루어진 제3 방수 시트를 포함할 수 있다.Furthermore, the rubber asphalt is: a first waterproof sheet manufactured by mixing polyisobutylene and polyethylene and then compression molding; 15 to 45% by weight of straight asphalt, 5 to 10% by weight of blast asphalt, low temperature mainly composed of isoprene, 15 to 25% by weight of tackifier by catalytic reaction, 10 to 15% by weight of thermoplastic elastomer and 25 to 35% by weight of filler A second waterproof sheet made of a high viscosity asphalt pressure sensitive adhesive obtained by melt mixing and dispersing at 180 to 210 ° C; And 5 to 55% by weight of straight asphalt, 5 to 10% by weight of blast asphalt, low temperature mainly composed of isoprene, 12 to 20% by weight of tackifier by catalytic reaction, 5 to 15% by weight of thermoplastic elastomer, and 5 to 20% by weight of filler. Asphalt obtained by mixing and dispersing the second mixture containing 8-15 wt% of petroleum resin and 10-15 wt% of butyl rubber in the first mixture obtained by melt mixing and dispersing the mixture at 180 to 210 ° C. within 100 to 120 ° C. It may include a third waterproof sheet made of an adhesive.
그리고 상기 금속층(30)은, 95~99 중량%의 알루미늄(Al), 0.3~2.5 중량%의 망간(Mn), 0.001~0.30 중량%의 크롬(Cr), 0.5~1.5 중량%의 마그네슘(Mg), 0.01~0.5 중량%의 티타늄(Ti), 0.001~0.003 중량%의 구리(Cu), 0.01~0.05 중량%의 실리콘(Si), 0.05~0.2 중량%의 철(Fe)을 포함할 수 있다.The metal layer 30 may include 95 to 99 wt% aluminum (Al), 0.3 to 2.5 wt% manganese (Mn), 0.001 to 0.30 wt% chromium (Cr), and 0.5 to 1.5 wt% magnesium (Mg). ), 0.01 to 0.5% by weight of titanium (Ti), 0.001 to 0.003% by weight of copper (Cu), 0.01 to 0.05% by weight of silicon (Si), 0.05 to 0.2% by weight of iron (Fe). .
본 발명의 자착식 방수시트는 구조물에 부착되어 빛을 반사시킴으로써 여름철에 건물 내부를 저감시키는 효과를 제공한다.Self-adhesive waterproof sheet of the present invention is attached to the structure to reflect the light provides an effect of reducing the interior of the building in the summer.
또한 고무 아스팔트의 온도가 상승하여 기포가 발생하여 들뜸 현상이 발생하는 것을 방지하는 효과도 제공한다.In addition, the rubber asphalt temperature is increased to provide bubbles to prevent the occurrence of the lifting phenomenon.
도 1은 본 발명에 따르는 보온 효과를 제공하는 자착식 방수시트를 도시한 개략도이다.Figure 1 is a schematic diagram showing a self-supporting waterproof sheet providing a thermal effect according to the present invention.
이하 첨부된 도면을 참조하여 본 발명에 따른 보온 효과를 제공하는 자착식 방수시트의 일실시예에 대해 상세히 설명하기로 한다.Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment of a self-supporting waterproof sheet providing a warming effect according to the present invention.
도 1을 참조하면 본 발명에 따르는 보온 효과를 제공하는 자착식 방수시트는, 고무아스팔트(10), 부직포(20), 금속층(30) 및 표면 코팅막(40)이 순차적으로 적층되어 형성되는 것을 특징으로 한다.Referring to Figure 1 is a self-supporting waterproof sheet providing a thermal effect according to the present invention, characterized in that the rubber asphalt 10, the nonwoven fabric 20, the metal layer 30 and the surface coating film 40 are sequentially stacked It is done.
1. 고무아스팔트(10)1. Rubber asphalt (10)
여기서 고무아스팔트(10)는, 폴리이소부틸렌 및 폴리에틸렌을 혼합한 후 압축 성형하여 제조한 제1 방수 시트; 스트레이트 아스팔트 15∼45중량%, 블론 아스팔트 5∼10중량%, 이소프렌을 주체로 하는 저온, 촉매 반응에 의한 점착부여제 15∼25중량%, 열가소성 엘라스토머 10∼15중량% 및 충진제 25∼35중량%를 180∼210℃에서 용융 혼합 분산시켜 얻은 고점도 아스팔트 점착제로 이루어진 제2 방수 시트; 및 스트레이트 아스팔트 5∼55중량%, 블론 아스팔트 5∼10중량%, 이소프렌을 주체로 하는 저온, 촉매 반응에 의한 점착부여제 12∼20중량%, 열가소성 엘라스토머 5∼15중량% 및 충진제 5∼20중량%를 180∼210℃에서 용융 혼합 분산시켜 얻어진 제1 혼합물에, 석유 수지 8∼15중량% 및 부틸고무 10∼15중량%를 혼합한 제2 혼합물을 100∼120℃ 이내에서 혼합 분산시켜 얻어진 아스팔트 점착제로 이루어진 제3 방수 시트로 구성될 수 있다.Here, the rubber asphalt 10 may include a first waterproof sheet manufactured by mixing polyisobutylene and polyethylene and then compression molding; 15 to 45% by weight of straight asphalt, 5 to 10% by weight of blast asphalt, low temperature mainly composed of isoprene, 15 to 25% by weight of tackifier by catalytic reaction, 10 to 15% by weight of thermoplastic elastomer and 25 to 35% by weight of filler A second waterproof sheet made of a high viscosity asphalt pressure sensitive adhesive obtained by melt mixing and dispersing at 180 to 210 ° C; And 5 to 55% by weight of straight asphalt, 5 to 10% by weight of blast asphalt, low temperature mainly composed of isoprene, 12 to 20% by weight of tackifier by catalytic reaction, 5 to 15% by weight of thermoplastic elastomer, and 5 to 20% by weight of filler. Asphalt obtained by mixing and dispersing the second mixture containing 8-15 wt% of petroleum resin and 10-15 wt% of butyl rubber in the first mixture obtained by melt mixing and dispersing the mixture at 180 to 210 ° C. within 100 to 120 ° C. It may be composed of a third waterproof sheet made of an adhesive.
이 중 ① 스트레이트 아스팔트는 석유를 정제할 때 잔류물로 얻어지는 고체나 반고체의 검은색이나 흑갈색 탄화수소 화합물써 유전에서 천연으로 얻을 수도 있으며 가소성, 부착성, 탄성, 전성, 전기 절연성 따위가 좋아 도로포장, 방수, 방습의 재료로 쓰인다.Among these, straight asphalt can be obtained naturally from oil fields by solid or semi-solid black or dark brown hydrocarbon compounds obtained as a residue when refining petroleum, and has good plasticity, adhesion, elasticity, malleability, and electrical insulation. Used as a waterproof and moisture proof material.
② 점착부여제는 폴리부텐(polybutene)을 포함하는 것이 바람직하며, 이 폴리부텐은 석유화학의 나프타(Naphtha)를 열분해하는 과정에서 C4 잔사유를 정제하고 중합공정을 거쳐 이소프렌을 주체로 하는 저온, 양이온 촉매중합반응으로 얻어진 다양한 분자량의 비극성 탄화수소 폴리머로서, 무색 또는 미색을 가지며, 화학적으로 매우 안정하여 빛이나 열에 의해 쉽게 산화되지 않다. 또한, 상기 폴리부텐은 자체적인 점착력을 가지며, 지방족, 방향족 및 염소계용제 등에 용해성이 우수하기 때문에, 고무접착제의 점착 및 접착 부여제, 전기 절연제, 안료 및 페인트 등의 분산제, 윤활유 첨가제, 아스팔트 개질제 및 아스팔트계 하도제로 널리 사용되고 있다. 이 점착부여제의 함량이 25중량%를 초과하거나, 15중량% 미만인 경우 방수 시트의 점착력과 내열성 및 내한성 등이 저하되어 용매가 누출될 수 있다.(2) The tackifier preferably contains polybutene, which is a low temperature product mainly containing isoprene after refining C 4 residue in the process of pyrolyzing naphtha of petrochemical and polymerizing process. , Nonpolar hydrocarbon polymers of various molecular weights obtained by cationic catalysis, are colorless or off-white, chemically very stable and are not easily oxidized by light or heat. In addition, since the polybutene has its own adhesive force and is excellent in solubility in aliphatic, aromatic and chlorine solvents, dispersing agents such as rubber adhesives, tackifiers, electrical insulation, pigments and paints, lubricant additives, asphalt modifiers, etc. And it is widely used as asphalt based primer. If the content of the tackifier is more than 25% by weight, or less than 15% by weight, the adhesive force, heat resistance, cold resistance, etc. of the waterproof sheet may be lowered and the solvent may leak.
③ 열가소성 엘라스토머는 스틸렌-브타디엔-스틸렌(SBS) 블록 공중합체를 포함하는 것이 바람직하며, 함량이 10중량% 미만인 경우 충분한 융착강도를 얻기 어렵고, 함량이 15 중량% 이상인 경우 신장률이 커져 접착강도가 저하되며 비용이 상승하는 문제가 발생한다.(3) The thermoplastic elastomer preferably contains a styrene-butadiene-styrene (SBS) block copolymer, and if the content is less than 10% by weight, it is difficult to obtain sufficient fusion strength, and when the content is more than 15% by weight, the elongation is increased to increase the adhesive strength. There is a problem of falling and rising costs.
SBS(styrene-butadiene-styrene copolymer)SBS (styrene-butadiene-styrene copolymer)
④ 충진제는 탄산칼슘, 수산화알루미늄, 클레이 또는 탈석(talc) 등의 무기질 충전제가 많이 사용되며, 본 발명의 실시예에서는 탈석을 사용하였다.④ Filler is a lot of inorganic fillers such as calcium carbonate, aluminum hydroxide, clay or talc (talc) is used, in the embodiment of the present invention it was used.
본 발명에 따르는 보온 효과를 제공하는 자착식 방수시트의 고무아스팔트(10)는 다층 구조로서, 폴리이소부틸렌 및 폴리에틸렌을 혼합한 후 압축 성형하여 제조한 제1 방수 시트; 스트레이트 아스팔트 15∼45중량%, 블론 아스팔트 5∼10중량%, 이소프렌을 주체로 하는 저온, 촉매 반응에 의한 점착부여제 15∼25중량%, 열가소성 엘라스토머 10∼15중량% 및 충진제 25∼35중량%를 180∼210℃에서 용융 혼합 분산시켜 얻은 고점도 아스팔트 점착제로 이루어진 제2 방수 시트; 및 스트레이트 아스팔트 5∼55중량%, 블론 아스팔트 5∼10중량%, 이소프렌을 주체로 하는 저온, 촉매 반응에 의한 점착부여제 12∼20중량%, 열가소성 엘라스토머 5∼15중량% 및 충진제 5∼20중량%를 180∼210℃에서 용융 혼합 분산시켜 얻어진 제1 혼합물에, 석유 수지 8∼15중량% 및 부틸고무 10∼15중량%를 혼합한 제2 혼합물을 100∼120℃ 이내에서 혼합 분산시켜 얻어진 아스팔트 점착제로 이루어진 제3 방수 시트를 포함하는 것이 바람직하다.Rubber asphalt (10) of the self-adhesive waterproof sheet providing a thermal insulation according to the present invention is a multi-layered structure, the first waterproof sheet manufactured by mixing the polyisobutylene and polyethylene and then compression molding; 15 to 45% by weight of straight asphalt, 5 to 10% by weight of blast asphalt, low temperature mainly composed of isoprene, 15 to 25% by weight of tackifier by catalytic reaction, 10 to 15% by weight of thermoplastic elastomer and 25 to 35% by weight of filler A second waterproof sheet made of a high viscosity asphalt pressure sensitive adhesive obtained by melt mixing and dispersing at 180 to 210 ° C; And 5 to 55% by weight of straight asphalt, 5 to 10% by weight of blast asphalt, low temperature mainly composed of isoprene, 12 to 20% by weight of tackifier by catalytic reaction, 5 to 15% by weight of thermoplastic elastomer, and 5 to 20% by weight of filler. Asphalt obtained by mixing and dispersing the second mixture containing 8-15 wt% of petroleum resin and 10-15 wt% of butyl rubber in the first mixture obtained by melt mixing and dispersing the mixture at 180 to 210 ° C. within 100 to 120 ° C. It is preferable to include the 3rd waterproof sheet which consists of an adhesive.
이 고무아스팔트(10)의 제조방법은 아래와 같다.The manufacturing method of this rubber asphalt 10 is as follows.
(단계 1) 제1 방수 시트 제조 방법(Step 1) the first waterproof sheet manufacturing method
50,000∼70,000의 중량평균분자량(GPC 측정)을 갖는 폴리이소부틸렌과 LDPE(㈜한화 No. LDPE 5305), LLDPE(㈜한화, No. LLDPE 3125) 및 HDPE(㈜ 호남석유화학, No. HDPE700F)을 반바리 믹서에 투입하여 혼합한 후, 압출 성형하여 제1 방수 시트를 제조하였다. 상기 제1 방수 시트의 인장강도는 가로(MD) 방향이 4.83 kgf/㎠ 이고, 세로(TD)방향이 4.96 kgf/㎠이다. 또한, 제1 방수 시트의 신장률은 가로 방향으로 682%이고, 세로 방향으로 602%이다. Polyisobutylene and LDPE (Hanhwa No. LDPE 5305), LLDPE (Hanhwa, No. LLDPE 3125) and HDPE (Honam Petrochemical, No. HDPE700F) having a weight average molecular weight (GPC measurement) of 50,000-70,000 Was added to a half-barrier mixer, mixed, and extruded to prepare a first waterproof sheet. The tensile strength of the first waterproof sheet is 4.83 kgf / cm 2 in the transverse (MD) direction and 4.96 kgf / cm 2 in the longitudinal (TD) direction. Moreover, the elongation rate of a 1st waterproof sheet is 682% in a horizontal direction, and 602% in a vertical direction.
(단계 2) 제2 방수 시트 제조 방법(Step 2) Second waterproof sheet manufacturing method
혼합 탱크 내에 스트레이트 아스팔트(㈜SK석유화학), 블론 아스팔트(㈜한국석유공업), 이소프렌을 주체로 하는 저온, 촉매 반응에 의한 점착부여제인 폴리부텐(㈜대림), 열가소성 엘라스토머인 스티렌부타디엔스티렌(SBS)(㈜금호 KTR) 및 충진제인 탈크(중탄, 금호석유화학)를 투입하여 용융 혼합한 후, 분산시켜 고점도 아스팔트 점착제를 제조하였다. 이어서, 온도를 유지하면서 상기 제1 방수 시트 한 면에 상기 고점도 아스팔트 점착제를 도포하면서 롤을 통해 이송하여 제1 방수 시트(50)와 시트화된 제2 방수 시트(40)를 제조하였다.In the mixing tank, straight asphalt (SK Petrochemical Co., Ltd.), Blon Asphalt (Korea Petroleum Co., Ltd.), isoprene-based low-temperature, polybutene (Daelim Co., Ltd.) as a tackifier by catalytic reaction, and styrene-butadiene styrene (SBS) thermoplastic elastomer ) (Kumho KTR Co., Ltd.) and talc (heavy coal, Kumho Petrochemical) as a filler were added, melt mixed, and dispersed to prepare a high viscosity asphalt adhesive. Subsequently, the first waterproof sheet 50 and the sheeted second waterproof sheet 40 were manufactured by transferring the high-viscosity asphalt pressure sensitive adhesive to one surface of the first waterproof sheet while maintaining the temperature through a roll.
(단계 3) 제3 방수 시트 제조 방법(Step 3) The third waterproof sheet manufacturing method
혼합 탱크 내에 스트레이트 아스팔트(㈜SK석유화학)와 블론 아스팔트(㈜한국석유공업) 및 열가소성 엘라스토머 [0070]인 스티렌부타디엔스티렌 (SBS)(㈜금호 KTR)를 투입하고 180∼210℃에서 용융한 후, 이소프렌을 주체로 하는 저온, 촉매 반응에 의한 점착부여제인 폴리부텐(㈜대림)을 추가 투입하여 용융 혼합한 후 1차 분산시켜 제1 혼합물을 제조하였다. 이어서, 상기 제1 혼합물에 석유 수지인 로진 에스테르(㈜금호 KTR) 및 부틸고무(Inter-service LLC, BK-1675N)를 혼합하여 제2 혼합물을 제조한 다음, 100∼120℃ 이내 온도에서 상기 제1 혼합물에 상기 제2 혼합물을 혼합 분산시켜 저점도 아스팔트 점착제를 제조하였다. 온도를 120℃ 이내로 유지하면서 시트화된 상기 제1 방수 시트와 제2 방수 시트의 접착 시트를 롤을 통해 이송하면서 상기 제조된 저점도 아스팔트 점착제를 상기 제2 방수 시트 상부에 도포하여 제3 방수 시트를 제조하였다.After pouring straight asphalt (SK Petrochemical Co., Ltd.) and Blon Asphalt (Korea Petroleum Co., Ltd.) and thermoplastic elastomer styrene butadiene styrene (SBS) (Kumho KTR) into the mixing tank and melted at 180 ~ 210 ℃, A low temperature, polybutene (Daelim Co., Ltd.), a tackifier based on isoprene as a main component, was further added, melt mixed, and then first dispersed to prepare a first mixture. Subsequently, a rosin ester (Kumho KTR Co., Ltd.) and butyl rubber (Inter-service LLC, BK-1675N), which is a petroleum resin, is mixed with the first mixture to prepare a second mixture. The second mixture was mixed and dispersed in the mixture to prepare a low viscosity asphalt adhesive. The low viscosity asphalt adhesive was applied to the upper portion of the second waterproof sheet while transferring the adhesive sheet of the sheeted first waterproof sheet and the second waterproof sheet while maintaining the temperature within 120 ° C., to form a third waterproof sheet. Was prepared.
2. 부직포(20)2. Nonwoven Fabric (20)
부직포(20)는 고무아스팔트(10)의 상부에 형성되고 고무아스팔트(10)와 금속층(30) 사이에 위치하여, 금속층(30)의 인장강도를 향상시키고 금속층(30) 하부에서 충격을 흡수하는 역할을 하여 금속층(30)의 스크래치 저항을 향상시키는 구성이다.The nonwoven fabric 20 is formed on the rubber asphalt 10 and is positioned between the rubber asphalt 10 and the metal layer 30 to improve the tensile strength of the metal layer 30 and to absorb shocks from the bottom of the metal layer 30. It serves to improve the scratch resistance of the metal layer 30 by playing a role.
*일반적으로 부직포라 함은 단섬유를 방적, 제직, 편직에 의하지 않고 3차원적인 웹(web)상으로 배열한 후 물리, 화학적 방법으로 섬유 상호간을 결합시킨 섬유 집합체를 말하며, 사용 섬유의 종류, 웹형성 방법과 결합방법, 접착제의 종류 등에 따라 다양한 성질을 나타내며, 최근 신규소재, 제조법 등의 개발로 사용범위가 확대되는 추세이다. 종래에 무기계 섬유를 이용하여 부직포를 제조하는데 주로 사용되어진 재료는 유리섬유가 사용되어져왔고, 이는 자동차 및 산업용 강화제로 많이 사용되어져왔다. 유리섬유부직포는 강화재로서, 폴리우레탄, 폴리프로필렌, 폴리에틸렌 등 다양한 유기계 물질과 혼합되어진 복합재로 가공되어지면서 가공후 형태와 용도에 따라 자동차용 선사이드보드, 천정재 및 금형을 통한 각종 성형부품으로 많이 사용되어 왔다.* In general, nonwoven fabric refers to a fiber aggregate in which single fibers are arranged on a three-dimensional web rather than by spinning, weaving, and knitting, and then bonded to each other by physical and chemical methods. It shows various properties according to web formation method, bonding method, type of adhesive, etc., and the range of use is expanded recently with the development of new materials and manufacturing methods. Conventionally, a material mainly used to prepare a nonwoven fabric using inorganic fibers has been used glass fiber, which has been used as a reinforcement for automobiles and industrial. Glass fiber non-woven fabric is a reinforcing material, processed into a composite material mixed with various organic materials such as polyurethane, polypropylene, polyethylene, etc., and is widely used in various molded parts through automotive sideboards, ceiling materials and molds depending on the form and purpose after processing. Has been used.
본 발명에 따르는 보온 효과를 제공하는 자착식 방수시트의 부직포(20)는 유리섬유 또는 폴리에틸렌(PE)을 포함할 수 있다.Non-woven fabric 20 of the self-adhesive waterproof sheet providing a thermal insulation according to the present invention may include glass fiber or polyethylene (PE).
3. 금속층(30)3. Metal layer 30
금속층(30)은 부직포(20) 상부에 형성되어 빛을 반사함으로써 보온 효과를 제공하고, 고무아스팔트(10)에서 기포가 발생하는 것을 방지하는 구성이다.The metal layer 30 is formed on the nonwoven fabric 20 so as to reflect light to provide a heat insulating effect, and prevents bubbles from being generated in the rubber asphalt 10.
이 금속층(30)은 알루미늄(Al)을 포함하는 것이 바람직하고, 더 구체적으로는 95~99 중량%의 알루미늄(Al), 0.3~2.5 중량%의 망간(Mn), 0.001~0.30 중량%의 크롬(Cr), 0.5~1.5 중량%의 마그네슘(Mg), 0.01~0.5 중량%의 티타늄(Ti), 0.001~0.003 중량%의 구리(Cu), 0.01~0.05 중량%의 실리콘(Si), 0.05~0.2 중량%의 철(Fe)을 함유하는 것이 바람직하다.The metal layer 30 preferably contains aluminum (Al), more specifically 95 to 99% by weight of aluminum (Al), 0.3 to 2.5% by weight of manganese (Mn), 0.001 to 0.30% by weight of chromium (Cr), 0.5-1.5 wt% magnesium (Mg), 0.01-0.5 wt% titanium (Ti), 0.001-0.003 wt% copper (Cu), 0.01-0.05 wt% silicon (Si), 0.05- It is preferred to contain 0.2% by weight of iron (Fe).
망간(Mn)이 0.3 중량% 미만이면, 전기 비저항값이 부족하고, 2.5 중량%를 초과하면 강도가 지나치게 커져 성형공정이 어렵게 된다. 크롬(Cr)이 0.001 중량% 미만이면, 역시 전기 비저항값이 얻어지지 않고, 또한, 0.30 중량% 이상이 되면 다른 첨가 원소와 함께 딱딱하고 조대한 금속간 화합물을 정출시키기 때문에 금속층(30) 성형시 핀홀 등의 결함이 발생할 우려가 있다.If the manganese Mn is less than 0.3 wt%, the electrical resistivity is insufficient, and if it exceeds 2.5 wt%, the strength becomes too large and the molding process becomes difficult. When chromium (Cr) is less than 0.001% by weight, no electrical resistivity is obtained, and when it is 0.30% by weight or more, hard and coarse intermetallic compounds are crystallized together with other additive elements. There may be a defect such as pinholes.
마그네슘(Mg)이 0.5 중량% 미만이면, 금속층(30)의 필요한 강도가 얻어지지 않고, 1.5 중량%를 초과하면, 강도가 지나치게 커져 성형이 곤란해진다. 티타늄(Ti)이 0.01 중량% 미만이면, 전기 비저항값이 얻어지지 않고, 알루미늄 합금박의 평균 결정 입경이 커져 성형이 곤란하다. 또한, 0.5 중량%를 초과하면 강도가 지나치게 커져 성형이 곤란하게 된다.If magnesium (Mg) is less than 0.5 weight%, the required strength of the metal layer 30 will not be obtained, and if it exceeds 1.5 weight%, strength will become large too much and molding will become difficult. When titanium (Ti) is less than 0.01 weight%, an electrical resistivity value is not obtained and the average crystal grain size of aluminum alloy foil becomes large, and shaping | molding is difficult. Moreover, when it exceeds 0.5 weight%, strength will become large too much and molding will become difficult.
구리(Cu)가 0.003 중량%를 초과하면, 알루미늄 합금박(금속층)이 변색되거나 부식 구멍이 형성될 우려가 있다. 실리콘(Si)이 0.05 중량%를 초과하면 알루미늄 합금박이 변색되거나 부식 구멍이 형성될 우려가 있다. 철(Fe)이 0.2 중량%를 초과하면, 알루미늄 합금박이 변색되거나 부식 구멍이 형성될 우려가 있다.When copper (Cu) exceeds 0.003 weight%, there exists a possibility that an aluminum alloy foil (metal layer) may discolor or a corrosion hole may be formed. If silicon (Si) exceeds 0.05% by weight, the aluminum alloy foil may be discolored or corrosion holes may be formed. When iron (Fe) exceeds 0.2 weight%, there exists a possibility that an aluminum alloy foil may discolor or a corrosion hole may be formed.
4. 표면 코팅막(40)4. Surface Coating Film (40)
표면 코팅막(40)은 금속층(30) 상부에 형성되어 금속층(30)을 긁힘, 스크래치로부터 보호하는 역할을 한다.The surface coating film 40 is formed on the metal layer 30 to protect the metal layer 30 from scratches and scratches.
이 표면 코팅막(40)은 폴리에틸렌(PE)을 포함하는 것이 바람직하며, 저밀도폴리에틸렌(Low density polyethylene; 이하 LDPE라 칭함)을 포함할 수 있다. LDPE는 -120 ℃의 유리전이온도와 105~115 ℃의 융점(Melting point Tm)을 가짐으로 인해 우연성과 내충격성, 용이한 가공성을 갖게 되나 Tm이 낮고 vicat 연화점이 80~90 ℃로 나타나기 때문에 비교적 높은 온도에서는 물성을 유지하지 못하여 가교방법을 통해 취약한 내열성으로 보완하기도 한다.The surface coating film 40 preferably includes polyethylene (PE), and may include low density polyethylene (hereinafter referred to as LDPE). LDPE has coincidence, impact resistance and easy processability due to glass transition temperature of -120 ℃ and melting point Tm of 105 ~ 115 ℃, but relatively low Tm and vicat softening point of 80 ~ 90 ℃ It can not maintain the physical properties at high temperature, it is also compensated by the weak heat resistance through the crosslinking method.
또한 LDPE는 LLDPE(Linear Low density polyethylene)나 HDPE(High density polyethylene)에 비해 많은 장쇄 분지를 갖기 때문에, 용융장력이 상대적으로 높아 블로우 필름 압출시 버블의 안정성, 압출코팅에서의 Neck-in 문제가 덜 발생하는 장점을 갖게 되며 활성화 에너지가 커서 온도변화에 다른 점도 변화가 크다. LDPE의 물성은 분자량, 분자량분포 밀도에 의해 크게 좌우되는데 아래 [표 1]에 수지의 기본특성과 제품물성과의 관계를 나타내었다. In addition, LDPE has more long-chain branches than LLDPE (Linear Low Density Polyethylene) or HDPE (High Density Polyethylene), so the melt tension is relatively high, which makes bubble stability less during blown film extrusion and less neck-in problems in extrusion coating. It has the advantage that occurs and the activation energy is large, the change in viscosity is large change in temperature. The physical properties of LDPE depend greatly on the molecular weight and the molecular weight distribution density. [Table 1] shows the relationship between the basic properties of the resin and the product properties.
물성Basic property
Properties
(결정화도 증가)Density increase
(Increased crystallinity)
(평균분자량 감소)Increased melt index
(Reduced average molecular weight)
좁아지면Molecular weight distribution
When narrowed
LDPE 필름을 가공하는 방법은 크게 블로우 평판과 평판필름 압출성형 방법이 있으며 성형방식에 따른 장, 단점은 표 2에 나타내었다.The processing method of LDPE film is largely blow plate and extrusion film extrusion method. The advantages and disadvantages of the molding method are shown in Table 2.
*폭 조정이 자유롭다
*설치비가 적게 든다.
*튜브/백의 생산이 가능하다. * It is biaxial stretching. Therefore, the final physical properties can be changed by adjusting the degree of molecular orientation by adjusting the draw ratio and expansion ratio.
* Width adjustment is free
* Low installation cost.
* Tube / bag production is possible.
*필름 두께 조절이 용이하다.
*필름두께를 더 얇게 할 수 있다.
*블로우 필름보다 높은 권취 속도가 가능하다. * Good transparency
* Easy to adjust film thickness
* The film thickness can be made thinner.
Higher winding speeds are possible than blow film.
위 표 2에서 보듯이 블로우 필름 압출은 설비 투자비가 적기 때문에 거의 모든 필름은 블로우 방식으로 제조되는데 최종제품의 물성은 사용되는 수지의 특성뿐 아니라 결빙선의 높이, 팽창비, 용융수지의 온도 등 가공조건에 의해서 영향은 받는다. 또한 필름에는 제품의 특성을 살리기 위해 산화방지제(Antioxidant), 블로킹방지제 (anti-blocking agent),슬립제(slip agent), 등이 첨가되며 용도에 따라 광안정제(light stabilizer) 등을 첨가해 쓰기도 한다.As shown in Table 2 above, blown film extrusion has a low capital investment, so almost all films are manufactured in a blow method.The properties of the final product are not only dependent on the characteristics of the resin used, but also on the processing conditions such as the height of the freezing line, the expansion ratio, and the melt temperature. Influenced by In addition, anti-oxidants, anti-blocking agents, slip agents, etc. are added to the film in order to make use of the product's properties, and light stabilizers may be added depending on the use. do.
본 발명의 추가 실시예로, 상기한 표면 코팅막(40)은 폴리에틸렌, LDPE를 포함하는 코팅막 대신에, 코팅제의 도포 및 경화에 의해 형성되는 코팅막일 수 있다.In a further embodiment of the present invention, the surface coating film 40 may be a coating film formed by application and curing of a coating agent, instead of a coating film including polyethylene and LDPE.
추가 실시예에 따른 표면 코팅막(40)은 충격에 의한 파손, 첨예체에 의한 자상 등을 방지함은 물론 향상된 난연성, 신속한 경화로 인한 향상된 제조성, 발수 처리를 통한 향상된 방수성을 제공한다.The surface coating film 40 according to a further embodiment, as well as preventing damage due to impact, abrasion due to a sharp body, as well as improved flame retardancy, improved manufacturability due to rapid curing, improved water resistance through water repellent treatment.
상기 효과를 제공하는 본 발명의 코팅제 조성물은, 바인더 수지 100 중량부, 이소시아네이트 프리폴리머(Isocyanate prepolymer) 1 내지 10 중량부, 폴리에스테르 아크릴레이트(Polyester acrylate) 1 내지 30 중량부, 메틸 아세테이트(Methyl acetate) 30 내지 60 중량부, 아조비스 이소부틸니트릴(Azobis isobutyronitrile) 0.5 내지 5 중량부, 수산화 알루미늄(Aluminum hydroxide) 5 내지 15 중량부, 디메틸아날린(Dimethylaniline) 1 내지 5 중량부 및, 테트라에톡시실란(Tetraethoxysilane) 0.5 내지 2.5 중량부를 포함한다.The coating composition of the present invention to provide the above effect, the binder resin 100 parts by weight, 1 to 10 parts by weight of isocyanate prepolymer, 1 to 30 parts by weight of polyester acrylate, methyl acetate (Methyl acetate) 30 to 60 parts by weight, 0.5 to 5 parts by weight of Azobis isobutyronitrile, 5 to 15 parts by weight of aluminum hydroxide, 1 to 5 parts by weight of dimethylaniline, and tetraethoxysilane (Tetraethoxysilane) 0.5 to 2.5 parts by weight.
각 구성 별로, 먼저 바인더 수지는 UV 경화형으로 이루어지는 것이 바람직하며, 그 종류가 특별히 한정되지 않는다.For each structure, first, the binder resin is preferably made of a UV curing type, and the kind thereof is not particularly limited.
다음으로, 이소시아네이트 프리폴리머(Isocyanate prepolymer)는 2개의 이소시아네이트기를 가지는 화합물을 이소시아누레이트 변성, 트리메티롤프로판(TMP) 변성, 비우렛(biuret) 변성 등의 방법으로 변성하여 얻을 수 있으며, 바인더 수지 100 중량부에 대해 1 내지 10 중량부가 사용되는 것이 바람직한데, 1 중량부 미만으로 사용되는 경우 가교성이 저하되며, 10 중량부를 초과하여 사용되는 경우 가교성이 과도하게 증가하여 코팅막의 표면이 거칠어지고, 크랙에 의한 파손 가능성이 높아지는 문제가 있다.Next, an isocyanate prepolymer may be obtained by modifying a compound having two isocyanate groups by isocyanurate modification, trimetholpropane (TMP) modification, biuret modification, or the like, and a binder resin. It is preferable to use 1 to 10 parts by weight with respect to 100 parts by weight, the crosslinkability is lowered when used less than 1 part by weight, when used in excess of 10 parts by weight excessively increased the crosslinkability of the surface of the coating film There is a problem that the likelihood of damage caused by cracks increases.
다음으로, 폴리에스테르 아크릴레이트(Polyester acrylate)는 상기한 이소시아네이트 프리폴리머와 함께 가교제로 사용되며, 바인더 수지 100 중량부에 대해 1 내지 30 중량부가 사용되는 것이 바람직한데, 1 중량부 미만으로 사용되는 경우 코팅막의 표면이 깨끗하게 형성되지 않으며, 30 중량부를 초과하여 사용되는 경우 역시 가교성이 과도하게 증가하여 코팅막의 표면이 거칠어지게 된다.Next, polyester acrylate is used as a crosslinking agent together with the above-mentioned isocyanate prepolymer, and it is preferable to use 1 to 30 parts by weight based on 100 parts by weight of the binder resin. The surface of the is not formed cleanly, when used in excess of 30 parts by weight too crosslinking is excessively increased and the surface of the coating film becomes rough.
다음으로, 메틸 아세테이트(Methyl acetate)는 코팅제의 안정적인 상용성을 확보하고 용액 중합을 제공하는 유기용제로서 첨가되며, 바인더 수지 100 중량부에 대해 30 내지 60 중량부가 사용되는 것이 바람직한데, 30 중량부 미만으로 사용되는 경우 코팅제의 점도가 과도하게 높아지게 되어 흐름성이 나빠지고, 60 중량부를 초과하여 사용되는 경우 환경성이 저하되거나 심한 경우 환경 규제에 저촉되는 문제가 있다.Next, methyl acetate is added as an organic solvent to ensure stable compatibility of the coating agent and provide solution polymerization, and it is preferable that 30 to 60 parts by weight is used for 100 parts by weight of the binder resin, and 30 parts by weight When used less than the viscosity of the coating is excessively high flowability is worse, when used in excess of 60 parts by weight there is a problem that the environmental degradation or severely violates environmental regulations.
다음으로, 아조비스 이소부틸니트릴(Azobis isobutyronitrile)은 라디칼을 생성하는 개시제로서 사용되며, 바인더 수지 100 중량부에 대해 0.5 내지 5 중량부가 사용되는 것이 바람직한데, 0.5 중량부 미만으로 사용되는 경우 충분한 라디칼 이온을 발생시킬 수 없고, 5 중량부를 초과하여 사용되는 경우 과 생성된 라디칼 이온이 전체 중합도를 낮춰 물성이 저하되는 문제가 발생한다.Next, Azobis isobutyronitrile is used as an initiator for generating radicals, and it is preferable to use 0.5 to 5 parts by weight based on 100 parts by weight of the binder resin, and sufficient radicals when used below 0.5 parts by weight. If ions cannot be generated and used in excess of 5 parts by weight, the resulting radical ions lower the overall polymerization degree, resulting in a problem of deterioration of physical properties.
다음으로, 수산화 알루미늄(Aluminum hydroxide)은 코팅막이 연소되는 과정에서 특정 연소단계를 방해하기 위해 첨가되고, 바인더 수지 100 중량부에 대해 5 내지 15 중량부가 사용되는 것이 바람직한데, 5 중량부 미만으로 사용되는 경우 난연 효과가 미미하고, 15 중량부를 초과하여 사용되는 경우 난연 효과에 비해 경제성이 저하된다.Next, aluminum hydroxide is added to prevent a specific combustion step in the process of burning the coating film, and preferably 5 to 15 parts by weight based on 100 parts by weight of the binder resin is used. If the flame retardant effect is insignificant, when used in excess of 15 parts by weight, the economic efficiency is lowered compared to the flame retardant effect.
다음으로, 디메틸아날린(Dimethylaniline)은 상기한 아조비스 이소부틸니트릴의 라디칼 생성을 돕기 위해 첨가되며, 바인더 수지 100 중량부에 1 내지 5 중량부가 사용되는 것이 바람직한데, 1 중량부 미만으로 사용되는 경우 완전 경화가 되지 않고, 5 중량부를 초과하여 사용되는 경우 코팅막의 표면에 흑점이나 부식이 발생할 수 있다.Next, dimethylaniline is added to aid the radical generation of the azobis isobutylnitrile described above, and preferably 1 to 5 parts by weight is used in 100 parts by weight of the binder resin, which is used in less than 1 part by weight. If not completely cured, when used in excess of 5 parts by weight may cause black spots or corrosion on the surface of the coating film.
다음으로, 테트라에톡시실란(Tetraethoxysilane)은 가수분해 축합되어 코팅막의 방수성 및 발수성을 부여하고 방부성을 향상시키기 위해 첨가되며, 바인더 수지 100 중량부에 대해 0.5 내지 2.5 중량부가 사용되는 것이 바람직한데, 0.5 중량부 미만으로 사용되는 경우 방수성, 발수성 및 방부성 향상 효과가 미미하며, 2.5 중량부를 초과하여 사용되는 경우 시공성이 저하되는 문제가 있다.Next, tetraethoxysilane is added in order to hydrolyze and condense to impart waterproofness and water repellency of the coating film and to improve antiseptic property, and 0.5 to 2.5 parts by weight of the binder resin is preferably used. When used in parts by weight less than the waterproof, water-repellent and antiseptic improvement effect is small, when used in excess of 2.5 parts by weight there is a problem that the workability is lowered.
이하에서는 상기한 코팅제 조성물을 이용한 코팅막의 실시예를 소개하기로 한다.Hereinafter will be introduced an embodiment of the coating film using the coating composition described above.
[실시예]EXAMPLE
바인더 수지로, 에폭시 아크릴레이트 올리고머 1kg에, 이소시아네이트 프리폴리머 50g, 폴리에스테르 아크릴레이트 200g, 메틸 아세테이트 500g, 아조비스 이소부틸니트릴 30g, 수산화 알루미늄 100g, 디메틸아날린 30g, 테트라에톡시실란(Tetraethoxysilane) 20g을 혼합하여 1시간 정도 교반하여 코팅제 조성물을 제조하였다.As the binder resin, 1 g of epoxy acrylate oligomer, 50 g of isocyanate prepolymer, 200 g of polyester acrylate, 500 g of methyl acetate, 30 g of azobis isobutylnitrile, 100 g of aluminum hydroxide, 30 g of dimethylanaline, and 20 g of tetraethoxysilane The mixture was stirred for about 1 hour to prepare a coating composition.
제조된 코팅제 조성물을 시험용 블록(알루미늄으로 제작)에 도포한 후, 완전 경화하는 단계를 거쳐 시험용 블록에 코팅막을 형성하였다.The coating composition prepared was applied to a test block (made of aluminum), and then completely cured to form a coating film on the test block.
[실시예1]Example 1
이 후 코팅막을 불규칙한 돌출부위를 갖는 스크래처를 통해 긁는 실험과 스크래처를 코팅막에 10회 반복하여 내려치는 실험을 수행한 결과, 스크래치 및 코팅막의 함몰이 발생하지 않았다.Thereafter, the experiment of scratching the coating film through a scratcher having an irregular projecting portion and the experiment of repeatedly scratching the scratcher on the coating film, and the scratch and the coating film did not occur.
[실시예2]Example 2
또한 코팅막에 토치를 통해 10분간 화염을 직접 분사하는 실험을 수행한 결과, 약간의 그을음은 발생하였으나 코팅막이 전혀 연소되지 않았다.In addition, as a result of performing an experiment for directly spraying the flame through the torch for 10 minutes, a slight soot occurred, but the coating film was not burned at all.
[실시예3]Example 3
또한 코팅막에 6시간 동안 물을 분사한 후, 코팅막을 제거하고 시험용 블록의 내부 침습도를 검사한 결과 습기가 전혀 검출되지 않았다.In addition, after spraying water on the coating film for 6 hours, the coating film was removed and the moisture was not detected at all as a result of testing the internal invasion of the test block.
상기 실시예들을 통해 본 발명에 따른 코팅막은 보호성, 난연성 및 방수성이 탁월하다는 것을 확인할 수 있다.Through the above embodiments it can be seen that the coating film according to the present invention is excellent in protection, flame retardancy and waterproof.
5. 본 발명의 실험결과 (5. Experimental results of the present invention ( 실시예Example ))
*본 발명에 따르는 보온 효과를 제공하는 자착식 방수시트에서 금속층이 있는 실시예(1~3) 및 금속층이 없는 비교예를 건물 옥상 바닥에 시공한 뒤, 옥상 바로 아래층(3층)의 실내온도를 정오(12시)부터 오후 4시까지 2시간 간격으로 측정하였고, 기포 발생 여부도 관찰하였다. 기포 발생 여부는 시공한 날로부터 3일, 1주(7일), 2주, 3주 경과 후 차례로 관찰하였다. (실험일자 2014년 8월)* Example 1 to 3 with a metal layer and a comparative example without a metal layer in the self-adhesive waterproof sheet providing a thermal insulation according to the present invention on the floor of the building roof, the room temperature of the floor directly below the roof (3 floors) Was measured at noon (12 o'clock) to 4 pm at 2 hour intervals, and bubbles were also observed. Bubbles were observed in 3 days, 1 week (7 days), 2 weeks, and 3 weeks after construction. (Experiment date August 2014)
본 발명은 기재된 실시예에 한정하는 것이 아니고, 본 발명의 사상 및 범위를 벗어나지 않는 한 다양하게 수정 및 변형을 할 수 있음은 당업자에게 자명하다고 할 수 있는 바, 그러한 변형예 또는 수정예들은 본 발명의 청구범위에 속하는 것이다.The present invention is not limited to the described embodiments, and various modifications and changes can be made to those skilled in the art without departing from the spirit and scope of the present invention. Such modifications or modifications may be made to the present invention. It belongs to the claims of the.
10 : 고무아스팔트
20 : 부직포
30 : 금속층
40 : 표면 코팅막10: rubber asphalt
20 nonwoven fabric
30: metal layer
40: surface coating film
Claims (1)
상기 고무아스팔트 상부에 형성되며, 유리섬유를 포함하는 부직포;
상기 부직포 상부에 형성되며, 알루미늄(Al)을 포함하는 금속층; 및
상기 금속층 상부에 형성되는 표면 코팅막;
을 포함하고,
상기 고무아스팔트는,
폴리이소부틸렌 및 폴리에틸렌을 혼합한 후 압축 성형하여 제조한 제1 방수 시트,
스트레이트 아스팔트 15∼45중량%, 블론 아스팔트 5∼10중량%, 이소프렌을 주체로 하는 저온, 촉매 반응에 의한 점착부여제 15∼25중량%, 열가소성 엘라스토머 10∼15중량% 및 충진제 25∼35중량%를 180∼210℃에서 용융 혼합 분산시켜 얻은 고점도 아스팔트 점착제로 이루어진 제2 방수 시트 및
스트레이트 아스팔트 5∼55중량%, 블론 아스팔트 5∼10중량%, 이소프렌을 주체로 하는 저온, 촉매 반응에 의한 점착부여제 12∼20중량%, 열가소성 엘라스토머 5∼15중량% 및 충진제 5∼20중량%를 180∼210℃에서 용융 혼합 분산시켜 얻어진 제1 혼합물에, 석유 수지 8∼15중량% 및 부틸고무 10∼15중량%를 혼합한 제2 혼합물을 100∼120℃ 이내에서 혼합 분산시켜 얻어진 아스팔트 점착제로 이루어진 제3 방수 시트를 포함하며,
상기 금속층은,
95~99 중량%의 알루미늄(Al), 0.3~2.5 중량%의 망간(Mn), 0.001~0.30 중량%의 크롬(Cr), 0.5~1.5 중량%의 마그네슘(Mg), 0.01~0.5 중량%의 티타늄(Ti), 0.001~0.003 중량%의 구리(Cu), 0.01~0.05 중량%의 실리콘(Si), 0.05~0.2 중량%의 철(Fe)을 포함하고,
상기 표면 코팅막은,
코팅제의 도포 및 경화에 의해 형성되고,
상기 코팅제는,
바인더 수지 100중량부,
이소시아네이트 프리폴리머(Isocyanate prepolymer) 5 중량부,
폴리에스테르 아크릴레이트(Polyester acrylate) 15 중량부,
메틸 아세테이트(Methyl acetate) 45 중량부,
아조비스 이소부틸니트릴(Azobis isobutyronitrile) 3 중량부,
수산화 알루미늄(Aluminum hydroxide) 10 중량부,
디메틸아날린(Dimethylaniline) 3 중량부 및
테트라에톡시실란(Tetraethoxysilane) 1.5 중량부를 포함하는 것을 특징으로 하는 자착식 방수시트.Rubber asphalts including polyisobutylene, polyethylene, straight asphalt, tackifiers;
A nonwoven fabric formed on the rubber asphalt and including glass fibers;
A metal layer formed on the nonwoven fabric and including aluminum (Al); And
A surface coating film formed on the metal layer;
Including,
The rubber asphalt,
A first waterproof sheet manufactured by mixing polyisobutylene and polyethylene and then compression molding
15 to 45% by weight of straight asphalt, 5 to 10% by weight of blast asphalt, low temperature mainly composed of isoprene, 15 to 25% by weight of tackifier by catalytic reaction, 10 to 15% by weight of thermoplastic elastomer and 25 to 35% by weight of filler And a second waterproof sheet made of a high viscosity asphalt adhesive obtained by melt mixing and dispersing at 180 to 210 ° C
5 to 55% by weight straight asphalt, 5 to 10% by weight blast asphalt, low temperature mainly composed of isoprene, 12 to 20% by weight tackifier by catalytic reaction, 5 to 15% by weight thermoplastic elastomer and 5 to 20% by weight filler Pressure-sensitive adhesive obtained by mixing and dispersing a second mixture obtained by melt-dispersing the mixture at 180 to 210 ° C at a temperature of 180 to 210 ° C, and then dispersing the second mixture containing 8 to 15% by weight of petroleum resin and 10 to 15% by weight of butyl rubber within 100 to 120 ° C. It comprises a third waterproof sheet made of,
The metal layer,
95-99 wt% aluminum (Al), 0.3-2.5 wt% manganese (Mn), 0.001-0.30 wt% chromium (Cr), 0.5-1.5 wt% magnesium (Mg), 0.01-0.5 wt% Titanium (Ti), 0.001 to 0.003% by weight of copper (Cu), 0.01 to 0.05% by weight of silicon (Si), 0.05 to 0.2% by weight of iron (Fe),
The surface coating film,
Formed by application and curing of the coating agent,
The coating agent,
100 parts by weight of binder resin,
5 parts by weight of isocyanate prepolymer,
15 parts by weight of polyester acrylate,
45 parts by weight of methyl acetate,
3 parts by weight of azobis isobutyronitrile,
10 parts by weight of aluminum hydroxide,
3 parts by weight of dimethylaniline and
Self-adhesive waterproof sheet comprising 1.5 parts by weight of tetraethoxysilane.
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020180047722A KR102008436B1 (en) | 2018-04-25 | 2018-04-25 | Self-adhesive asphalt waterproof sheet having insulating effect |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102226957B1 (en) * | 2020-02-07 | 2021-03-10 | 배근우 | Rooftop Waterproofing System |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004067759A (en) * | 2002-08-02 | 2004-03-04 | Japan Composite Co Ltd | Radically curing resin composition and civil engineering and construction material containing the composition |
| KR20100137538A (en) * | 2008-12-11 | 2010-12-30 | 디아이씨 가부시끼가이샤 | Curable resin composition and paint, and plastic molded product produced by laminating the same |
| KR101027655B1 (en) * | 2010-05-14 | 2011-04-12 | 주식회사 선진엔지니어링 종합건축사 사무소 | Rubberized asphalt pileup layers waterproofing materials with root barrier for the green roof and artificial foundation and its application method |
| KR20170009505A (en) * | 2015-07-17 | 2017-01-25 | 정석주 | Self-adhesive asphalt waterproof sheet having insulating effect |
-
2018
- 2018-04-25 KR KR1020180047722A patent/KR102008436B1/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004067759A (en) * | 2002-08-02 | 2004-03-04 | Japan Composite Co Ltd | Radically curing resin composition and civil engineering and construction material containing the composition |
| KR20100137538A (en) * | 2008-12-11 | 2010-12-30 | 디아이씨 가부시끼가이샤 | Curable resin composition and paint, and plastic molded product produced by laminating the same |
| KR101027655B1 (en) * | 2010-05-14 | 2011-04-12 | 주식회사 선진엔지니어링 종합건축사 사무소 | Rubberized asphalt pileup layers waterproofing materials with root barrier for the green roof and artificial foundation and its application method |
| KR20170009505A (en) * | 2015-07-17 | 2017-01-25 | 정석주 | Self-adhesive asphalt waterproof sheet having insulating effect |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102226957B1 (en) * | 2020-02-07 | 2021-03-10 | 배근우 | Rooftop Waterproofing System |
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