KR102247063B1 - Waterproofing Composition - Google Patents
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Abstract
Description
본 발명은 방수제 조성물에 관한 것으로, 더욱 상세하게는 수용성 아크릴 실리콘 수지와 수용성 아크릴 수지를 함께 사용함으로써, 부착 성능 및 인장 성능이 현저히 개선되는 방수제 조성물에 관한 것이다.The present invention relates to a waterproofing composition, and more particularly, to a waterproofing composition in which adhesion performance and tensile performance are significantly improved by using a water-soluble acrylic silicone resin and a water-soluble acrylic resin together.
콘크리트 건축물의 옥상, 지하주차장 상부, 지하 외벽, 지하철, 지하차도, 공동구 등 토목 구조물의 경우 빗물 등과 같은 수분이 스며들어 수분의 일부가 증발되지 않고 건축물 내부로 침투하게 되는 경우, 실거주자의 쾌적한 주거 환경의 유지라는 환경적 측면뿐만 아니라, 누수로 인한 철근 및 철골의 부식이나 중성화, 동결융해, 유해물질의 침입 등으로 인한 열화 가속화 및 콘크리트 재료의 결합력을 저하시키므로, 온도변화에 따른 공극, 균열 발생 등 내구성 저하의 방지 측면에서 건축 및 토목 구조물에는 방수시공이 요구되고 있다.In the case of civil structures such as the roof of a concrete building, the top of the basement parking lot, the outer wall of the basement, the subway, the underground passageway, the common ward, etc., when moisture such as rainwater seeps into the building and some of the moisture penetrates into the building without evaporation, a comfortable dwelling for real residents In addition to the environmental aspect of maintaining the environment, it accelerates deterioration due to corrosion or neutralization of reinforcing bars and steel frames due to leakage, freeze-thawing, intrusion of harmful substances, and decreases the bonding strength of concrete materials, resulting in voids and cracks due to temperature changes. In terms of preventing degradation of durability, etc., waterproof construction is required for architectural and civil structures.
콘크리트 구조물의 방수 공법은 크게 침투성 방수공법과 피막식 방수공법으로 나누어는데, 상기 침투성 방수공법은 방수제를 콘크리트 표면에 도포하여 콘크리트 자체를 치밀하게 변화시켜 방수성을 향상시키는 방법이고, 상기 피막식 방수공법은 구조물의 내외부에 여러 겹의 불투수성 방수층을 형성하여 콘크리트 구조물의 균열 또는 그 외 건축물의 시공 결함에 대처하여 방수성을 향상시키는 방수공법이다.The waterproofing method of concrete structures is largely divided into a permeable waterproofing method and a film-type waterproofing method. The permeable waterproofing method is a method of improving waterproofness by precisely changing the concrete itself by applying a waterproofing agent to the concrete surface, and the film-type waterproofing method. Is a waterproofing method that improves waterproofness by forming several layers of impermeable waterproofing layers inside and outside the structure to cope with cracks in concrete structures or other construction defects in buildings.
상기한 피막식 방수공법은 다시 시트 방수와 도막 방수로 나뉘는데, 이 중 상기 도막 방수공법은 합성수지재료를 도포하여 방수도막을 형성시키는 방법이다.The film-type waterproofing method is again divided into sheet waterproofing and coating film waterproofing, among which the coating waterproofing method is a method of forming a waterproofing film by applying a synthetic resin material.
상기 합성수지 재료로는 종래 우레탄이나 에폭시 수지를 이용하여 도막을 형성하여 왔는바, 이러한 우레탄 및 에폭시 수지계 도막 방수제는 열화에 의해 내구성이 저하되는데, 특히 자외선에 의한 화학 결합의 파괴, 수분에 의한 결로, 태양광에 노출되는 원인으로 인하여 고분자 재료의 변형 및 분자사슬 파괴 등과 같은 복합적 열화에 의해 방수 성능이 상실되는 문제가 있었다.As the synthetic resin material, a coating film has been conventionally formed using urethane or epoxy resin, and the durability of the urethane and epoxy resin-based coating film waterproofing agent decreases due to deterioration. In particular, the destruction of chemical bonds due to ultraviolet rays, condensation due to moisture, There is a problem in that waterproof performance is lost due to complex deterioration such as deformation of polymer materials and destruction of molecular chains due to exposure to sunlight.
상기한 문제를 개선하기 위하여, 내후성이 뛰어난 아크릴 수지를 이용하는 방수제가 사용되고 있으나, 이러한 아크릴 수지는 고경질의 도막 물성으로 부착성능 및 인장 성능이 좋지 못하여 크랙 및 탈락 등의 문제가 있고, 외부 충격에 취약한 문제가 있었다.In order to improve the above problems, a waterproofing agent using an acrylic resin having excellent weather resistance is used, but these acrylic resins have problems such as cracks and dropping due to poor adhesion and tensile performance due to the properties of a high-hard coating film. There was a fragile problem.
따라서, 본 발명의 목적은 방수성은 물론, 부착성능 및 인장성능이 현저히 개선되어 도막의 들뜸이나 크랙 발생이 없고, 외부 충격에 대한 저항력 역시 우수하며, 친환경적인 아크릴 방수제 조성물을 제공하는 데 있다. Accordingly, it is an object of the present invention to provide an eco-friendly acrylic waterproofing composition which has excellent resistance to external impacts, and is excellent in resistance to external impacts, as well as water resistance, adhesion performance and tensile performance are remarkably improved.
상기한 목적을 달성하기 위한 본 발명의 방수제 조성물은, 수용성 아크릴 실리콘 수지 27~33중량%, 증점제 1~2중량%, 유화제 1~2중량%, 실리카 1~2중량% 및 잔부의 수용성 아크릴 수지를 포함하는 것을 특징으로 한다.The waterproofing agent composition of the present invention for achieving the above object is 27 to 33% by weight of a water-soluble acrylic silicone resin, 1 to 2% by weight of a thickener, 1 to 2% by weight of an emulsifier, 1 to 2% by weight of silica, and the balance water-soluble acrylic resin It characterized in that it comprises a.
상기 수용성 아크릴 수지의 유리전이온도(Tg)는 -30~-10℃이고, 상기 수용성 아크릴 실리콘 수지는, 메틸메타크릴레이트(MMA;methylmethacrylate)와 부틸아크릴레이트(BA;n-bytyl acrylate)가 1:0.8~1.2중량비로 혼합된 아크릴 모노머와 프로폭시 아크릴 실란 모노머(propoxy silane monomer)의 중합반응에 의해 제조된 것임을 특징으로 한다.The water-soluble acrylic resin has a glass transition temperature (Tg) of -30 to -10°C, and the water-soluble acrylic silicone resin has a methyl methacrylate (MMA) and a butyl acrylate (BA; n-bytyl acrylate) of 1 It is characterized in that it is produced by polymerization of an acrylic monomer mixed in a weight ratio of 0.8 to 1.2 and a propoxy silane monomer.
오리털 분말 1~2중량% 및 전도성 섬유 1~2중량%를 더 포함하되, 상기 전도성 섬유는 아크릴(Acrylic) 섬유에 황화구리(CuS)로부터 생성된 구리 이온을 결합시킨 동도전 아크릴(Acrylic) 단섬유인 것을 특징으로 한다. Further comprising 1 to 2% by weight of duck feather powder and 1 to 2% by weight of conductive fibers, wherein the conductive fibers are copper-conductive acrylics obtained by combining copper ions generated from copper sulfide (CuS) with acrylic fibers. It is characterized in that it is a short fiber.
카본 화이트 1~2중량%, 그래핀 1~2중량% 및 인산구아디닌 1~2중량%를 더 포함하되, 상기 카본 화이트는 폴리메틸실세스퀴옥산에 의해 코팅된 것임을 특징으로 한다.1 to 2% by weight of carbon white, 1 to 2% by weight of graphene, and 1 to 2% by weight of guaninine phosphate are further included, wherein the carbon white is coated with polymethylsilsesquioxane.
본 발명의 방수제 조성물에 의하면, 방수성, 부착 성능 및 인장 성능이 우수하여, 도막의 들뜸 및 크랙이 발생하지 않으며, 외부 충격에 대한 저항력 역시 우수하다는 장점이 있다. 또한, 별다른 용제의 사용이 없어 친환경적이라는 장점이 있다.According to the waterproofing composition of the present invention, there is an advantage in that the waterproofing property, adhesion performance and tensile performance are excellent, so that lifting and cracking of the coating film do not occur, and resistance to external impact is also excellent. In addition, there is an advantage of being eco-friendly because there is no use of any solvent.
이하, 본 발명을 상세히 설명한다. Hereinafter, the present invention will be described in detail.
본 발명의 가장 큰 특징은 수용성 아크릴 실리콘 수지와 수용성 아크릴 수지를 함께 사용함으로써, 방수성 및 도막의 물리적 특성이 우수한 방수제 조성물을 제공하는 데 있다.The greatest feature of the present invention is to provide a waterproofing agent composition excellent in waterproofness and physical properties of a coating film by using a water-soluble acrylic silicone resin and a water-soluble acrylic resin together.
이러한 본 발명의 방수제 조성물은, 수용성 아크릴 실리콘 수지 27~33중량%, 증점제 1~2중량%, 유화제 1~2중량%, 실리카 1~2중량% 및 잔부의 수용성 아크릴 수지를 포함하는 것을 특징으로 한다.The waterproofing composition of the present invention is characterized in that it comprises 27 to 33% by weight of a water-soluble acrylic silicone resin, 1 to 2% by weight of a thickener, 1 to 2% by weight of an emulsifier, 1 to 2% by weight of silica, and the remainder of the water-soluble acrylic resin. do.
먼저, 상기 수용성 아크릴 실리콘 수지는, 내후성이 우수할 뿐 아니라, 부착 강도 및 인장 강도 역시 우수하여, 도막의 접착성을 좋게 하고, 크랙을 방지하는 등의 기능을 한다. 즉, 종래 수용성 아크릴 수지만을 사용한 방수제 조성물의 경우, 고경질의 도막으로 인해 접착성 및 인장 강도가 좋지 못한 단점이 있었는바, 본 발명은 수용성 아크릴 실리콘 수지를 수용성 아크릴 수지와 함께 적용함으로써, 이러한 단점을 개선하는 것이다.First, the water-soluble acrylic silicone resin has not only excellent weather resistance, but also excellent adhesion strength and tensile strength, thereby improving adhesion of the coating film and preventing cracks. That is, in the case of a waterproofing composition using only a water-soluble acrylic resin in the related art, adhesiveness and tensile strength were poor due to a high-hard coating film, and the present invention applies a water-soluble acrylic silicone resin together with a water-soluble acrylic resin. It is to improve the shortcomings.
상기 수용성 아크릴 실리콘 수지로는, MMA(methylmethacrylate)와 BA(n-buthyl acrylate)가 1:0.8~1.2중량비로 혼합된 아크릴 모노머와 프로폭시 아크릴 실란 모노머(propoxy silane monomer)를 중합반응시켜서 된 것을 사용함이 가장 바람직한데, 경질 모노머인 MMA와 연질 모노머인 BA를 혼합하여 사용하는 것이 실란 모노머와의 반응성이 우수함은 물론, 방수성, 내후성, 접착성 및 인장 강도를 개선에 효과적이며, 상기 프로폭시 아크릴 실란 모노머가 상기 아크릴 모노머와의 반응성이 가장 좋기 때문이다. As the water-soluble acrylic silicone resin, an acrylic monomer in which methylmethacrylate (MMA) and n-buthyl acrylate (BA) are mixed in a weight ratio of 1:0.8 to 1.2 and a propoxy silane monomer are polymerized. This is the most preferred, and the use of a mixture of MMA as a hard monomer and BA as a soft monomer is excellent in reactivity with the silane monomer, as well as effective in improving waterproofness, weather resistance, adhesion and tensile strength, and the propoxy acrylic silane This is because the monomer has the best reactivity with the acrylic monomer.
구체적으로, 상기 수용성 아크릴 실리콘 수지는, 이온교환수에 MMA(methylmethacrylate)와 BA(n-buytyl acrylate)가 1:0.8~1.2중량비로 혼합된 아크릴 모노머, 프로폭시 아크릴 실란 모노머(propoxy silane monomer), 유화제를 투입하여 교반한 후, 반응개시제를 투입하여 중합반응시켜 제조하는 것이다. 이때, 상기 아크릴 모노머와 실란 모노머는 100:4~6중량비 정도로 사용됨이 바람직하며, 상기 유화제 및 반응개시제로는 이 기술이 속하는 분야에서 공지된 것을, 공지된 정도의 양으로 사용하는 것이면 족하다. 아울러, 상기 이온교환수 역시 그 사용량을 제한하지 않는다.Specifically, the water-soluble acrylic silicone resin is an acrylic monomer in which methylmethacrylate (MMA) and n-buytyl acrylate (BA) are mixed in an ion-exchanged water in a weight ratio of 1:0.8 to 1.2, a propoxy silane monomer, After the emulsifier is added and stirred, a reaction initiator is added to produce a polymerization reaction. At this time, the acrylic monomer and the silane monomer are preferably used in an amount of 100:4 to 6 weight ratio, and the emulsifier and reaction initiator are well known in the field to which this technology belongs, as long as they are used in a known amount. In addition, the amount of ion-exchanged water is also not limited.
상기 수용성 아크릴 실리콘 수지는 방수제 조성물 내 27~33중량%로 포함됨이 바람직한데, 상기한 범위를 벗어날 경우 요구하는 접착성 및 인장 강도 등을 달성할 수 없기 때문이다. It is preferable that the water-soluble acrylic silicone resin is contained in an amount of 27 to 33% by weight in the waterproofing agent composition, because when it is out of the above range, the required adhesion and tensile strength cannot be achieved.
상기 증점제는 방수제 조성물의 점도 조절을 위한 것으로, 오거닉 클레이(organic clay), 셀룰로오스 에테르 증점제(Cellulose Ethers Thickener), 폴리우레탄 결합성 증점제(Polyurethane Associative Thickener) 및 하이드로에틸 셀룰로오스(hydroethyl cellulose)로 이루어진 군 중 선택된 1종 이상의 것을 사용할 수 있다. 아울러, 상기 증점제는 이 기술이 속하는 분야에서 공지된 것으로, 그 종류를 제한하지 않고 사용 가능하다.The thickener is for controlling the viscosity of the waterproofing agent composition, and is a group consisting of organic clay, cellulose ether thickener, polyurethane associative thickener, and hydroethyl cellulose. At least one selected from among them can be used. In addition, the thickener is known in the field to which this technology belongs, and can be used without limiting its type.
상기 증점제는 방수제 조성물 내 1~2중량%로 포함됨이 바람직한데, 그 함량이 너무 적으면 고형 성분들 중 일부가 침강하며, 과량이 되면 점도가 지나치게 높아 작업성이 떨어지기 때문이다.It is preferable that the thickener is included in an amount of 1 to 2% by weight in the waterproofing composition, because if the content is too small, some of the solid components settle, and if the content is excessive, the viscosity is too high to reduce workability.
상기 유화제로는 비이온계 유화제를 사용하는 것이 바람직한바, 폴리옥시프로필렌매니톨디올레이트, 폴리옥시에틸렌솔비톨올레이트, 폴리옥시에틸렌모노올레이트, 폴리옥시에틸렌스테아레이트, 솔비탄모노스테아레이트, 솔비탄모노올레이트, 글리세롤모노스테아레이트, 폴리옥시에틸렌솔비톨헥사스테아레이트, 솔비탄트리스테아레이트 및 솔비탄트리올레이트로 이루어진 군 중 선택된 1종 이상을 사용할 수 있다.It is preferable to use a nonionic emulsifier as the emulsifier, polyoxypropylene mannitol diolate, polyoxyethylene sorbitol oleate, polyoxyethylene monooleate, polyoxyethylene stearate, sorbitan monostearate, sorbitan At least one selected from the group consisting of tan monooleate, glycerol monostearate, polyoxyethylene sorbitol hexastearate, sorbitan tristearate and sorbitan trioleate may be used.
상기 유화제는 방수제 조성물 내 1~2중량%로 포함됨이 바람직하며, 그 함량이 상기한 범위에서 벗어날 경우 제품의 물성이 저하된다.The emulsifier is preferably contained in an amount of 1 to 2% by weight in the waterproofing composition, and when the content is out of the above range, the physical properties of the product are deteriorated.
상기 실리카는 도막의 강도를 향상시키고, 도막의 발포 및 기포 형성을 방지하는 역할을 하는 것으로, 공지된 흄드 실리카를 사용할 수 있다.The silica serves to improve the strength of the coating film and prevent foaming and bubble formation of the coating film, and known fumed silica may be used.
상기 실리카는 방수제 조성물 내 1~2중량%로 포함됨이 바람직하다.The silica is preferably contained in 1 to 2% by weight in the waterproofing composition.
상기 수용성 아크릴 수지는 방수제 조성물의 주성분으로, 종래 이 기술이 속하는 분야에서 게시된 어떠한 것이라도 사용 가능하지만, 보다 바람직하게는 유리전이온도(Tg)가 -30~-10℃인 것을 사용하는 것이다. 이는 낮은 유리전이온도로 인해 접착력이 향상되고, 신율, 탄성 및 인장 강도가 증가하여 외부 충격에 대한 저항력을 높일 수 있기 때문이다. 즉, 본 발명은 상기 수용성 아크릴 실리콘 수지와 함께 낮은 유리전이온도를 갖는 수용성 아크릴 수지의 사용으로, 도막의 신율, 탄성 및 인장 강도, 그리고 접착력을 현저히 개선하는 것이다.The water-soluble acrylic resin is a main component of the waterproofing agent composition, and any one published in the field to which this technology belongs can be used, but more preferably, a glass transition temperature (Tg) of -30 to -10°C is used. This is because adhesion is improved due to a low glass transition degree, and elongation, elasticity, and tensile strength are increased, thereby increasing resistance to external impact. That is, the present invention is to significantly improve the elongation, elasticity and tensile strength, and adhesion of the coating film by using a water-soluble acrylic resin having a low glass transition temperature together with the water-soluble acrylic silicone resin.
예시적으로 상기 수용성 아크릴 수지는 용매 하에서 아크릴 단량체와 개시제를 반응시킨 후 중화제로 중화하여 제조할 수 있는데, 보다 구체적으로 물과 부틸셀로솔브가 1:1~2중량비로 혼합된 용매 20~40중량%에 2-에틸헥실 아크릴레이트(2-Ethylhexyl acrylate) 50~60중량%, 메타아크릴산(methacrylic acid) 3~10중량%, BPO(Benzoyl peroxide) 0.2~2중량%를 반응시키고, 이에 트리에탈아민(Triethylamine)으로 되는 중화제 2~10중량%를 투입하여 중화시킴으로써 제조될 수 있다. 이렇게 제조된 수용성 아크릴 수지는 유리전이온도가 -30~-10℃의 수준으로 도막의 접착력, 신율, 탄성 및 인장 강도가 향상된다.Exemplarily, the water-soluble acrylic resin may be prepared by reacting an acrylic monomer and an initiator in a solvent and then neutralizing with a neutralizing agent. More specifically, a solvent in which water and butyl cellosolve are mixed in a ratio of 1:1 to 2 by weight 20 to 40 50 to 60% by weight of 2-ethylhexyl acrylate, 3 to 10% by weight of methacrylic acid, and 0.2 to 2% by weight of BPO (Benzoyl peroxide) were reacted to the weight%. It can be prepared by neutralizing by adding 2 to 10% by weight of a neutralizing agent made of triethylamine. The water-soluble acrylic resin thus prepared has a glass transition temperature of -30 to -10°C, which improves adhesion, elongation, elasticity, and tensile strength of the coating film.
상기 수용성 아크릴 수지는 방수제 조성물 내 잔부로 포함된다.The water-soluble acrylic resin is included as the balance in the waterproofing composition.
상기와 같이 제조된 본 발명의 방수제 조성물은 앞서 설명된 바와 같이, 방수성이 우수함은 물론, 접착력이 우수하고, 신율, 탄성, 인장 강도 역시 우수하여, 도막의 들뜸이나 크랙의 발생이 없으며, 외부 충격에 대한 저항력 역시 우수하다는 장점이 있다. 또한, 내후성 역시 우수하며, 친환경적이라는 장점이 있다.As described above, the waterproofing agent composition of the present invention prepared as described above is excellent in waterproofness, as well as excellent adhesion, and excellent elongation, elasticity, and tensile strength, so that there is no occurrence of lifting or cracking of the coating film, and external impact. It has the advantage of excellent resistance to resistance. In addition, it has excellent weather resistance and is eco-friendly.
본 발명에 의한 방수제 조성물은 수용성의 특성을 가지므로, 도장 작업시 물로 희석하여 도장할 수 있다. Since the waterproofing composition according to the present invention has water-soluble properties, it can be diluted with water and then coated during painting.
또한, 본 발명에 의한 방수제 조성물은 하도, 중도 및 상도 중 어떠한 것으로라도 모두 이용이 가능하다는 장점이 있는바, 예시적으로 본 발명의 방수제 조성물을 물과 1:1 중량비로 혼합하여 하도로, 본 발명의 방수제 조성물, 물 및 모르타르를 1:1:2 중량비로 혼합하여 중도로, 본 발명의 방수제 조성물 및 수성페인트를 1:0.3중량비로 혼합하여 상도로 사용할 수 있는 것이다.In addition, the waterproofing composition according to the present invention has the advantage of being able to use any of the bottom coat, the middle coat, and the top coat. Illustratively, the waterproofing agent composition of the present invention is mixed with water in a weight ratio of 1:1 to the base coat. The waterproofing composition of the present invention, water and mortar are mixed in a weight ratio of 1:1:2 to moderate, and the waterproofing composition of the present invention and water-based paint are mixed in a weight ratio of 1:0.3 to be used as a top coat.
한편, 본 발명에 의한 방수제 조성물의 인장 강도, 내식성 및 방수성을 더욱 개선하기 위하여, 상기한 방수제 조성물은 오리털 분말 1~2중량% 및 전도성 섬유 1~2중량%를 더 포함할 수 있다.On the other hand, in order to further improve the tensile strength, corrosion resistance and waterproofness of the waterproofing composition according to the present invention, the waterproofing composition may further include 1 to 2% by weight of duck down powder and 1 to 2% by weight of conductive fibers.
상기 오리털 분말은 방수 도막의 인장 강도, 내식성 및 방수성을 현저히 증가시키는 것으로, 건조된 오리털을 10~1,000nm 정도의 입도로 분쇄하여 사용하면 족하다. The duck feather powder significantly increases the tensile strength, corrosion resistance, and waterproofness of the waterproof coating film, and it is sufficient to pulverize the dried duck feather into a particle size of about 10 to 1,000 nm.
또한, 상기 전도성 섬유는 오리털 분말과 함께 사용시 도막의 내후성을 현저히 개선하는바, 아크릴(Acrylic) 섬유에 황화구리(CuS)로부터 생성된 구리 이온을 결합시킨 동도전 아크릴(Acrylic) 단섬유를 사용할 수 있다. 상기 전도성 섬유의 입도는 0.1~100㎛ 정도일 수 있으나, 이를 제한하지 않는다.In addition, the conductive fiber significantly improves the weather resistance of the coating film when used with the goose down powder, and a short copper-conductive acrylic fiber in which copper ions generated from copper sulfide (CuS) are bonded to an acrylic fiber is used. I can. The particle size of the conductive fiber may be about 0.1 to 100 μm, but is not limited thereto.
또한, 본 발명의 방수제 조성물은, 카본 화이트 1~2중량%, 그래핀 1~2중량% 및 인산구아디닌 1~2중량%를 더 포함할 수 있다.In addition, the waterproofing composition of the present invention may further include 1 to 2% by weight of carbon white, 1 to 2% by weight of graphene, and 1 to 2% by weight of guaninine phosphate.
상기 카본 화이트는 규산나트륨을 원료로 해서 제조한 침강성 실리카로서, 입도가 200~325mesh 정도인 것을 사용하는 것으로, 내마모성, 강도를 개선하는 역할을 한다. The carbon white is a precipitated silica prepared using sodium silicate as a raw material, and a particle size of about 200 to 325 mesh is used, and it serves to improve abrasion resistance and strength.
상기 그래핀(grapene)은 반데르발스 힘(van der Waales force) 등에 의하여 수십만 내지 수백만 이상으로 쌓인 층상 구조를 갖는 그래파이트(graphite)로부터 분리된 단층을 일컫는 것이나, 본 발명에서의 그래핀은 이러한 단층의 그래파이트 또는 수 내지 수십 층의 그래파이트(유사 그래핀)일 수 있다. 상기 그래핀은, 방수성은 물론, 내구성, 내오염성 등을 현저히 개선한다.The graphene refers to a single layer separated from graphite having a layered structure stacked in hundreds of thousands to millions or more by van der Waales force, but graphene in the present invention is such a single layer. It may be of graphite or several to tens of layers of graphite (similar graphene). The graphene remarkably improves not only waterproofness, but also durability, stain resistance, and the like.
상기 인산구아디닌은 초기 접착력의 향상을 위해 사용된다.Guadinin phosphate is used to improve initial adhesion.
한편, 상기 카본 화이트와 오리털 분말은 폴리메틸실세스퀴옥산에 의해 코팅된 것을 사용함이 더욱 바람직하다. 이는 상기 폴리메틸실세스퀴옥산 코팅층에 의해 우수한 접착력을 부여하는 것은 물론, 인장 강도 등의 물성을 현저히 개선하기 때문이다.On the other hand, it is more preferable to use the carbon white and the duck feather powder coated with polymethylsilsesquioxane. This is because the polymethylsilsesquioxane coating layer provides excellent adhesion and significantly improves physical properties such as tensile strength.
보다 구체적으로, 상기 카본 화이트 또는 오리털 분말을 준비하고, 폴리메틸실세스퀴옥산(Polysilsesquioxane)을 알칼리수용액에 용해시켜 준비한다. 그리고 이를 혼합하여 50~70℃에서 3~4시간 가온한 후, 산수용액을 투입하여 중합하고, 건조 및 분쇄하여 제조되는 것이다. 이때, 분쇄입도는 제한하지 않으나, 100~300mesh 정도면 족하다. 상기 알칼리수용액으로는 5~15% 농도의 수산화나트륨수용액을, 산수용액으로는 20~35%의 염산수용액을 사용할 수 있다. More specifically, the carbon white or duck feather powder is prepared, and polymethylsilsesquioxane is dissolved in an aqueous alkaline solution to prepare it. Then, it is mixed and heated at 50 to 70°C for 3 to 4 hours, and then an acid aqueous solution is added to polymerize, dried and pulverized. At this time, the pulverization particle size is not limited, but about 100 to 300 mesh is sufficient. An aqueous solution of sodium hydroxide having a concentration of 5 to 15% may be used as the aqueous alkaline solution, and an aqueous solution of hydrochloric acid of 20 to 35% may be used as the aqueous acid solution.
이하, 본 발명을 실시예를 통해 상세히 설명한다.Hereinafter, the present invention will be described in detail through examples.
(실시예 1)(Example 1)
이온교환수 500g에 MMA(methylmethacrylate)와 BA(n-buytyl acrylate)가 1:1중량비로 혼합된 아크릴 모노머 400g, 프로폭시 아크릴 실란 모노머(propoxy silane monomer) 20g, 음이온계 유화제인 SLS(sodium Lauryl sulfate) 2g을 투입하여 교반한 후, 반응개시제로서 NaPS(Sodium persulphate) 4g와 NH4OH 5g을 투입하고, 80℃에서 60분간 반응시킨 후, 200mesh의 여과망으로 여과하여 수용성 아크릴 실리콘 수지를 제조하였다. 400 g of acrylic monomer in which MMA (methylmethacrylate) and BA (n-buytyl acrylate) are mixed in a 1:1 weight ratio in 500 g of ion-exchanged water, 20 g of propoxy silane monomer, sodium lauryl sulfate (SLS), an anionic emulsifier ) After 2g was added and stirred, 4g of sodium persulphate (NaPS) and 5g of NH 4 OH were added as reaction initiators, reacted at 80° C. for 60 minutes, and filtered through a 200 mesh filter to prepare a water-soluble acrylic silicone resin.
2-에틸헥실아크릴레이트 573g과 메타크릴산 60g을 용매인 부틸셀로솔브 185g, 물 110g 하에서 개시제인 BPO 10g를 이용하여 용액중합시키고, 중화제인 트리에틸아민 62g을 이용하여 중화시켜 수용성 아크릴 수지를 제조하였다. 제조된 수용성 아크릴 수지의 유리전이온도(Tg)는 -22℃이었다. Solution polymerization of 573 g of 2-ethylhexyl acrylate and 60 g of methacrylic acid with 185 g of butyl cellosolve as a solvent and 10 g of BPO as an initiator under 110 g of water, and neutralization with 62 g of triethylamine as a neutralizing agent to obtain a water-soluble acrylic resin. Was prepared. The glass transition temperature (Tg) of the prepared water-soluble acrylic resin was -22°C.
다음으로, 상기와 같이 제조된 수용성 아크릴 실리콘 수지 30중량%, 증점제인 하이드로에틸 셀룰로오스 1.5중량%, 유화제인 솔비탄모노올레이트 2중량%, 흄드 실리카 1중량% 및 잔부의 상기 제조된 수용성 아크릴 수지를 200rpm으로 20분 동안 충분히 교반하여 방수제 조성물을 제조하였다.Next, 30% by weight of a water-soluble acrylic silicone resin prepared as above, 1.5% by weight of hydroethyl cellulose as a thickener, 2% by weight of sorbitan monooleate as an emulsifier, 1% by weight of fumed silica, and the balance of the prepared water-soluble acrylic resin Was sufficiently stirred at 200 rpm for 20 minutes to prepare a waterproofing agent composition.
(실시예 2)(Example 2)
실시예 1과 동일하게 실시하되, 오리털 분말(500nm) 1중량%, 아크릴(Acrylic) 섬유에 황화구리(CuS)로부터 생성된 구리 이온을 결합시킨 동도전 아크릴(Acrylic) 단섬유(50㎛) 1중량%를 더 혼합하였다. Conducted in the same manner as in Example 1, except that 1% by weight of duck down powder (500 nm), copper conductive acrylic short fibers (50 μm) in which copper ions generated from copper sulfide (CuS) are bonded to acrylic fibers. An additional 1% by weight was mixed.
(실시예 3)(Example 3)
실시예 2와 동일하게 실시하되, 상기 제조된 수용성 아크릴 실리콘 수지의 사용량을 28중량%로 하고, 카본 화이트 1중량%, 그래핀(50㎛) 1중량% 및 인산구아디닌 1중량%를 더 혼합하였다. 이때, 상기 카본 화이트는 폴리메틸실세스퀴옥산에 의해 코팅된 것을 사용하였다. It was carried out in the same manner as in Example 2, but the amount of the water-soluble acrylic silicone resin prepared was 28% by weight, and 1% by weight of carbon white, 1% by weight of graphene (50 μm), and 1% by weight of guaninine phosphate were further added. Mixed. In this case, the carbon white was coated with polymethylsilsesquioxane.
상기 카본 화이트의 코팅방법은 다음과 같았다. 먼저, 15% 농도의 수산화나트륨 수용액 450g에 폴리메틸실세스퀴옥산(ToSPEARL 2000B, 도시바사) 50g을 용해시켰다. 그리고 325mesh의 카본 화이트 150g 및 물 2000g을 투입하고 교반하면서 60℃로 가열하였다. 이후, 30% 염산수용액 170.86g을 투입하여 중합시켰으며, 반응생성물을 수세, 여과, 탈수, 건조 및 분쇄하여 200~300mesh 크기의 코팅 입자를 수득하였다. The coating method of the carbon white was as follows. First, 50 g of polymethylsilsesquioxane (ToSPEARL 2000B, Toshiba) was dissolved in 450 g of a 15% sodium hydroxide aqueous solution. Then, 150 g of 325 mesh carbon white and 2000 g of water were added and heated to 60° C. while stirring. Thereafter, 170.86 g of a 30% aqueous hydrochloric acid solution was added to perform polymerization, and the reaction product was washed with water, filtered, dehydrated, dried, and pulverized to obtain coated particles having a size of 200 to 300 mesh.
(시험예 1)(Test Example 1)
상기 실시예들의 물성을 한국화학융합시험연구원에 의뢰하여 테스트하였다. 시험방법은 KS F 3211:2015에 따랐다.The physical properties of the above examples were tested by commissioning the Korea Institute of Chemical Convergence Testing. The test method was in accordance with KS F 3211:2015.
그 결과는 하기 표 1과 같았다.The results were shown in Table 1 below.
상기 표 1에서와 같이, 본 발명의 실시예 1 내지 3은 인장 성능, 인열 성능, 신장률, 부착 성능 등의 물성이 우수함을 확인할 수 있었다.As shown in Table 1, in Examples 1 to 3 of the present invention, it was confirmed that physical properties such as tensile performance, tearing performance, elongation, and adhesion performance were excellent.
본 명세서는 본 발명의 기술 분야에서 통상의 지식을 가진 자이면 충분히 인식하고 유추할 수 있는 내용은 그 상세한 기재를 생략하였으며, 본 명세서에 기재된 구체적인 예시들 이외에 본 발명의 기술적 사상이나 필수적 구성을 변경하지 않는 범위 내에서 보다 다양한 변형이 가능하다. 따라서 본 발명은 본 명세서에서 구체적으로 설명하고 예시한 것과 다른 방식으로도 실시될 수 있으며, 이는 본 발명의 기술 분야에 통상의 지식을 가진 자이면 이해할 수 있는 사항이다.In the present specification, details that can be sufficiently recognized and inferred by those of ordinary skill in the technical field of the present invention have been omitted, and the technical spirit or essential configuration of the present invention other than the specific examples described in the present specification has been changed. More various modifications are possible within the range that does not. Therefore, the present invention may be implemented in a manner different from that specifically described and illustrated in the present specification, which is a matter that can be understood by those of ordinary skill in the technical field of the present invention.
Claims (4)
오리털 분말 1~2중량% 및 전도성 섬유 1~2중량%를 더 포함하되,
상기 전도성 섬유는 아크릴(Acrylic) 섬유에 황화구리(CuS)로부터 생성된 구리 이온을 결합시킨 동도전 아크릴(Acrylic) 단섬유인 것을 특징으로 하는 방수제 조성물.
27 to 33% by weight of a water-soluble acrylic silicone resin, 1 to 2% by weight of a thickener, 1 to 2% by weight of an emulsifier, 1 to 2% by weight of silica, and the remainder of the water-soluble acrylic resin,
Further comprising 1 to 2% by weight of duck feather powder and 1 to 2% by weight of conductive fibers,
The conductive fiber is a waterproof composition, characterized in that the copper conductive acrylic (Acrylic) short fiber in which copper ions generated from copper sulfide (CuS) are bonded to an acrylic fiber.
상기 수용성 아크릴 수지의 유리전이온도(Tg)는 -30~-10 ℃이고,
상기 수용성 아크릴 실리콘 수지는,
MMA(methylmethacrylate)와 BA(n-bytyl acrylate)가 1:0.8~1.2중량비로 혼합된 아크릴 모노머와 프로폭시 아크릴 실란 모노머(propoxy silane monomer)의 중합반응에 의해 제조된 것임을 특징으로 하는 방수제 조성물.
The method of claim 1,
The glass transition temperature (Tg) of the water-soluble acrylic resin is -30 to -10 °C,
The water-soluble acrylic silicone resin,
A waterproofing composition, characterized in that it is prepared by polymerization of an acrylic monomer in which methylmethacrylate (MMA) and n-bytyl acrylate (BA) are mixed in a weight ratio of 1:0.8 to 1.2 and a propoxy silane monomer.
카본 화이트 1~2중량%, 그래핀 1~2중량% 및 인산구아디닌 1~2중량%를 더 포함하되,
상기 카본 화이트 및 오리털 분말은 폴리메틸실세스퀴옥산에 의해 코팅된 것임을 특징으로 하는 방수제 조성물.
The method of claim 2,
1 to 2% by weight of carbon white, 1 to 2% by weight of graphene, and 1 to 2% by weight of guanine phosphate,
The carbon white and duck feather powder is a waterproof composition, characterized in that coated with polymethylsilsesquioxane.
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