KR102638208B1 - Emi-incombustible polyurethane foam composition for spraying - Google Patents
Emi-incombustible polyurethane foam composition for spraying Download PDFInfo
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- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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Abstract
Description
본 발명은 스프레이용 준불연성 폴리우레탄 폼 조성물에 관한 것으로, 더욱 상세하게는 준불연성에 준하는 난연성능을 나타낼 뿐만 아니라, 스프레이식 발포가 가능하며 우수한 표면품질을 나타내어 다양한 구조물에 적용할 수 있는 스프레이용 준불연성 폴리우레탄 폼 조성물에 관한 것이다.The present invention relates to a semi-incombustible polyurethane foam composition for spray use, and more specifically, a semi-incombustible polyurethane foam composition that not only exhibits flame retardant performance equivalent to semi-incombustibility, but also allows for spray foaming and exhibits excellent surface quality, making it applicable to various structures. It relates to a semi-incombustible polyurethane foam composition.
폴리우레탄 폼은 비교적 저렴하고 성형이 용이하고 높은 탄성을 가지고 있으므로, 자동차 부품을 비롯한 건설현장 및 생활용품 전반에 걸쳐 널리 사용되고 있다. 그러나, 폴리우레탄 폼은 가연성이며, 일단 발화하면 제어 불능의 연소가 진행될 뿐만 아니라 유독가스를 다량 방출하는 문제점이 있었다.Polyurethane foam is relatively inexpensive, easy to mold, and has high elasticity, so it is widely used in construction sites and household goods, including automobile parts. However, polyurethane foam is flammable, and once ignited, it not only burns out of control but also emits a large amount of toxic gas.
이와 같은 문제점을 해소하기 위해, 폴리우레탄 폼의 일면에 난연성을 갖는 시트 또는 패널을 적층하여 난연성을 부여하는 방법이 주로 사용되었는데, 이는 근본적으로 폴리우레탄 폼에 난연성을 부여하는 것이 아니기 때문에, 난연 효과가 제한적이며, 제조공정이 복잡하고 제조비용을 증가시키는 문제점이 있었다. 또한, 폴리우레탄폼 자체에 난연성을 부여하기 위하여, 브롬 화합물이나 염소 화합물등의 할로겐 화합물로 구성되는 난연제의 첨가가 이루어지고 있는데, 이는 연소시 유독가스로 인하여 인체 및 환경문제를 더욱 악화시키는 문제점으로 작용하였다.In order to solve this problem, a method of imparting flame retardancy by laminating flame retardant sheets or panels on one side of polyurethane foam was mainly used. Since this does not fundamentally impart flame retardancy to polyurethane foam, the flame retardant effect is was limited, the manufacturing process was complicated, and there were problems that increased manufacturing costs. In addition, in order to provide flame retardancy to the polyurethane foam itself, flame retardants composed of halogen compounds such as bromine compounds or chlorine compounds are added. This is a problem that further worsens human and environmental problems due to toxic gases during combustion. It worked.
한편, 경질 폴리우레탄 폼은 주조 공정 또는 스프레이 공정을 사용하여 가공된다. 주조 공정은 일반적으로 블록 폼 생산, 연속 이중 밴드 적층, 및 불연속 패널 생산에 사용된다. 스프레이 폴리우레탄 폼은 수년 동안 지붕 단열 및 밀봉 제품으로 사용되어 왔는데, 스프레이 폴리우레탄 폼은 벽과 바닥에 달라붙어 공기 누출을 막는 밀폐 및 단열 장벽을 만드는 역할을 하였다.Meanwhile, rigid polyurethane foam is processed using a casting process or a spray process. Casting processes are commonly used for block form production, continuous double band lamination, and discontinuous panel production. Spray polyurethane foam has been used as a roof insulation and sealing product for many years. Spray polyurethane foam adheres to walls and floors to create an airtight and insulating barrier that prevents air leaks.
상기의 역할을 하는 폴리우레탄 폼의 물성 중 난연성능은 매우 중요한 성질로, 적용 가능한 화재 안전 표준을 충족시키기 위해 다양한 화합물 또는 이들의 혼합물이 적용되고 있다.Among the physical properties of polyurethane foam that play the above role, flame retardant performance is a very important property, and various compounds or mixtures thereof are applied to meet applicable fire safety standards.
기존의 현장에서 적용되던 폴리우레탄 폼은 일반적으로 2~3종의 폴리에테르 폴리올, 발포제, 촉매, 난연제, 정포제, 1 중량%의 물을 혼합하여 미리 제조한 레진 프리믹스 및 폴리이소시아네이트를 1:1의 부피비율로 혼합되어 사용되는데, 난연성능이 미흡한 문제점이 있었으며, 상기의 문제점을 해소하기 위해 과량의 난연제를 사용하는 방법이 이용되고 있으나 난연제를 과량 사용하게 되면 스프레이 장치를 이용한 시공이 어렵고, 시공된 폴리우레탄 폼의 표면품질이 저하되는 문제점이 있었다.Polyurethane foam applied in existing fields is generally a 1:1 ratio of resin premix and polyisocyanate prepared in advance by mixing 2-3 types of polyether polyol, blowing agent, catalyst, flame retardant, foam stabilizer, and 1% by weight of water. It is mixed and used at a volume ratio of , but there was a problem with insufficient flame retardant performance. To solve the above problem, a method of using an excessive amount of flame retardant is used. However, if an excessive amount of flame retardant is used, construction using a spray device is difficult, and construction is difficult. There was a problem that the surface quality of the polyurethane foam was deteriorated.
본 발명의 목적은 준불연성에 준하는 난연성능을 나타낼 뿐만 아니라, 스프레이식 발포가 가능하며 우수한 표면품질을 나타내어 다양한 구조물에 적용할 수 있는 준불연성 폴리우레탄 폼 조성물을 제공하는 것이다.The purpose of the present invention is to provide a semi-incombustible polyurethane foam composition that not only exhibits flame retardant performance equivalent to semi-incombustibility, but also allows spray foaming and exhibits excellent surface quality, so that it can be applied to various structures.
본 발명의 목적은 폴리올 100 중량부, 디이소시아네이트 90 내지 100 중량부 및 난연성 첨가제 40 내지 50 중량부로 이루어지며, 상기 난연성 첨가제는 팽창흑연 100 중량부, 인계난연제 8 내지 12 중량부, 코발트 8 내지 12 중량부, 계면활성제 8 내지 12 중량부, 용매 8 내지 12 중량부, 촉매 혼합물 100 내지 150 중량부, 발포제 혼합물 150 내지 200 중량부 및 물 50 내지 70 중량부로 이루어지는 것을 특징으로 하는 스프레이용 준불연성 폴리우레탄 폼 조성물을 제공함에 의해 달성된다.The object of the present invention consists of 100 parts by weight of polyol, 90 to 100 parts by weight of diisocyanate, and 40 to 50 parts by weight of a flame retardant additive, wherein the flame retardant additive is 100 parts by weight of expanded graphite, 8 to 12 parts by weight of a phosphorus-based flame retardant, and 8 to 12 parts by weight of cobalt. Parts by weight, 8 to 12 parts by weight of surfactant, 8 to 12 parts by weight of solvent, 100 to 150 parts by weight of catalyst mixture, 150 to 200 parts by weight of blowing agent mixture, and 50 to 70 parts by weight of water. This is achieved by providing a urethane foam composition.
본 발명의 바람직한 특징에 따르면, 상기 인계난연제는 적인, 암모늄 포스페이트, 암모늄 폴리포스페이트 및 트리아릴 포스페이트로 이루어진 그룹에서 선택된 하나 이상으로 이루어지는 것으로 한다.According to a preferred feature of the present invention, the phosphorus-based flame retardant is made of at least one selected from the group consisting of ammonium phosphate, ammonium polyphosphate, and triaryl phosphate.
본 발명의 더 바람직한 특징에 따르면, 상기 용매는 2-(2-하이드록시에틸아미노)에탄올로 이루어지는 것으로 한다.According to a more preferred feature of the present invention, the solvent is made of 2-(2-hydroxyethylamino)ethanol.
본 발명의 더욱 바람직한 특징에 따르면, 상기 촉매혼합물은 트리에틸렌디아민 100 중량부 및 Pb-octoate 90 내지 110 중량부로 이루어지는 것으로 한다.According to a more preferred feature of the present invention, the catalyst mixture is composed of 100 parts by weight of triethylenediamine and 90 to 110 parts by weight of Pb-octoate.
본 발명의 더욱 더 바람직한 특징에 따르면, 상기 발포제 혼합물은 1,1-디클로로-1-플루오로에탄 100 중량부 및 인산트리크레실 45 내지 55 중량부로 이루어지는 것으로 한다.According to an even more preferred feature of the present invention, the blowing agent mixture consists of 100 parts by weight of 1,1-dichloro-1-fluoroethane and 45 to 55 parts by weight of tricresyl phosphate.
본 발명의 더욱 더 바람직한 특징에 따르면, 상기 난연성 첨가제에는 상기 팽창흑연 100 중량부 대비 무기금속 수산화물 및 나노클레이가 함유된 난연성분 30 내지 50 중량부가 더 함유되는 것으로 한다.According to an even more preferred feature of the present invention, the flame retardant additive further contains 30 to 50 parts by weight of a flame retardant component containing inorganic metal hydroxide and nanoclay relative to 100 parts by weight of the expanded graphite.
본 발명의 더욱 더 바람직한 특징에 따르면, 상기 난연성분은 무기금속 수산화물 100 중량부, 표면개질된 질화붕소 30 내지 50 중량부 및 나노클레이 20 내지 30 중량부로 이루어지는 것으로 한다.According to an even more preferred feature of the present invention, the flame retardant component is composed of 100 parts by weight of inorganic metal hydroxide, 30 to 50 parts by weight of surface-modified boron nitride, and 20 to 30 parts by weight of nanoclay.
본 발명의 더욱 더 바람직한 특징에 따르면, 상기 무기금속 수산화물은 수산화알루미늄 및 수산화마그네슘으로 이루어진 그룹에서 선택된 하나 이상으로 이루어지는 것으로 한다.According to an even more preferred feature of the present invention, the inorganic metal hydroxide is made of at least one selected from the group consisting of aluminum hydroxide and magnesium hydroxide.
본 발명의 더욱 더 바람직한 특징에 따르면, 상기 나노클레이는 몬모릴로나이트, 헥토라이트, 벤토나이트, 버미큘라이트 및 볼콘스코이트로 이루어진 그룹에서 선택된 하나 이상으로 이루어지는 것으로 한다.According to an even more preferred feature of the present invention, the nanoclay is made of one or more selected from the group consisting of montmorillonite, hectorite, bentonite, vermiculite, and volconostite.
본 발명에 따른 스프레이용 준불연성 폴리우레탄 폼 조성물은 준불연성에 준하는 난연성능을 나타낼 뿐만 아니라, 스프레이식 발포가 가능하며 우수한 표면품질을 나타내어 다양한 구조물에 적용할 수 있는 폴리우레탄 폼 조성물을 제공하는 탁월한 효과를 나타낸다.The semi-incombustible polyurethane foam composition for spraying according to the present invention not only exhibits flame retardant performance equivalent to semi-incombustibility, but also enables spray foaming and exhibits excellent surface quality, providing an excellent polyurethane foam composition that can be applied to various structures. Shows effect.
도 1은 본 발명의 실시예 1을 통해 제조된 스프레이용 준불연성 폴리우레탄 폼의 물성을 한국화학융합시험연구원에 의뢰하여 측정한 결과를 나타낸 시험성적서이다.
도 2는 본 발명의 실시예 1을 통해 제조된 스프레이용 준불연성 폴리우레탄 폼이 적용된 건축물의 내부 모습을 촬영하여 나타낸 사진이다.
도 3은 본 발명의 실시예 1을 통해 제조된 스프레이용 준불연성 폴리우레탄 폼에 토치불꽃을 적용하는 모습과 적용 후에 모습을 촬영하여 나타낸 사진이다.
도 4는 본 발명의 실시예 1 및 비교예 1을 통해 제조된 스프레이용 폴리우레탄 폼에 토치불꽃을 각각 20초 동안 적용한 후에 결과를 나타낸 사진이다.Figure 1 is a test report showing the results of measuring the physical properties of the semi-incombustible polyurethane foam for spraying manufactured through Example 1 of the present invention by requesting the Korea Testing and Research Institute.
Figure 2 is a photograph showing the interior of a building to which the semi-non-combustible polyurethane foam for spraying manufactured in Example 1 of the present invention was applied.
Figure 3 is a photograph showing the application of a torch flame to the semi-incombustible polyurethane foam for spraying manufactured through Example 1 of the present invention and the appearance after application.
Figure 4 is a photograph showing the results after applying a torch flame to the spray polyurethane foam prepared through Example 1 and Comparative Example 1 of the present invention for 20 seconds, respectively.
이하에는, 본 발명의 바람직한 실시예와 각 성분의 물성을 상세하게 설명하되, 이는 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자가 발명을 용이하게 실시할 수 있을 정도로 상세하게 설명하기 위한 것이지, 이로 인해 본 발명의 기술적인 사상 및 범주가 한정되는 것을 의미하지는 않는다.Below, preferred embodiments of the present invention and the physical properties of each component are described in detail, but are intended to be described in detail so that those skilled in the art can easily practice the invention. This does not mean that the technical idea and scope of the present invention are limited.
본 발명에 따른 스프레이용 준불연성 폴리우레탄 폼 조성물은 폴리올 100 중량부, 디이소시아네이트 90 내지 100 중량부 및 난연성 첨가제 40 내지 50 중량부로 이루어지며, 상기 난연성 첨가제는 팽창흑연 100 중량부, 인계난연제 8 내지 12 중량부, 코발트 8 내지 12 중량부, 계면활성제 8 내지 12 중량부, 용매 8 내지 12 중량부, 촉매 혼합물 100 내지 150 중량부, 발포제 혼합물 150 내지 200 중량부 및 물 50 내지 70 중량부로 이루어진다.The semi-incombustible polyurethane foam composition for spray according to the present invention consists of 100 parts by weight of polyol, 90 to 100 parts by weight of diisocyanate, and 40 to 50 parts by weight of a flame retardant additive, and the flame retardant additive is 100 parts by weight of expanded graphite and 8 to 8 parts by weight of a phosphorus-based flame retardant. It consists of 12 parts by weight, 8 to 12 parts by weight of cobalt, 8 to 12 parts by weight of surfactant, 8 to 12 parts by weight of solvent, 100 to 150 parts by weight of catalyst mixture, 150 to 200 parts by weight of blowing agent mixture, and 50 to 70 parts by weight of water.
상기 폴리올은 상기 디이소시아네이트와 반응하여 폴리우레탄을 제조하는 역할을 하는데, 상기 디이소시아네이트오 반응하는 작용기를 적어도 3개 포함하고, 중량평균분자량이 10,000 내지 30,000 g/mol이며, 25℃에서의 점도가 20,000 내지 200,000 mPa·s인 폴리에테르계 폴리올을 사용하는 것이 바람직하다.The polyol serves to produce polyurethane by reacting with the diisocyanate. It contains at least three functional groups that react with the diisocyanate, has a weight average molecular weight of 10,000 to 30,000 g/mol, and has a viscosity at 25°C. It is preferable to use a polyether-based polyol with a temperature of 20,000 to 200,000 mPa·s.
상기 폴리올의 성분으로는 폴리에테르계 폴리올이 바람직하며, 폴리알킬렌 옥사이드로부터 유래된 것을 사용하는 것이 더욱 바람직한데, 구체적으로, 폴리에틸렌 글리콜, 폴리프로필렌 글리콜, 폴리에틸렌글리콜과 폴리프로필렌글리콜 공중합체 및 폴리(테트라메틸렌 에테르)글리콜로 이루어진 그룹에서 선택된 하나로 이루어지는 것이 바람직하다.As a component of the polyol, polyether polyol is preferred, and it is more preferred to use one derived from polyalkylene oxide. Specifically, polyethylene glycol, polypropylene glycol, polyethylene glycol and polypropylene glycol copolymer, and poly( It is preferably made of one selected from the group consisting of tetramethylene ether) glycol.
상기 디이소시아네이트는 90 내지 100 중량부가 함유되며, 상기 폴리올과 반응하여 폴리우레탄을 제조하는 역할을 하는데, 구체적으로는, 2,4-톨릴렌디이소시아네이트, 2,6-톨릴렌디이소시아네이트, m-페닐렌디이소시아네이트, p-페닐렌디이소시아네이트, 4,4＇-디페닐메탄디이소시아네이트, 2,4＇-디페닐메탄디이소시아네이트, 2,2＇-디페닐메탄디이소시아네이트, 자일릴렌 디이소시아네이트, 3,3＇-디메틸-4,4＇-비페닐렌디이소시아네이트 및 3,3＇-디메톡시-4,4＇-비페닐렌디이소시아네이트로 이루어진 그룹에서 선택된 하나로 이루어지는 것이 바람직하다.The diisocyanate contains 90 to 100 parts by weight and serves to produce polyurethane by reacting with the polyol, specifically, 2,4-tolylene diisocyanate, 2,6-tolylene diisocyanate, and m-phenylene diisocyanate. Isocyanate, p-phenylene diisocyanate, 4,4'-diphenylmethane diisocyanate, 2,4'-diphenylmethane diisocyanate, 2,2'-diphenylmethane diisocyanate, xylylene diisocyanate, 3,3' -It is preferably composed of one selected from the group consisting of dimethyl-4,4'-biphenylene diisocyanate and 3,3'-dimethoxy-4,4'-biphenylene diisocyanate.
상기 난연성 첨가제는 40 내지 50 중량부가 함유되며, 본 발명에 따른 스프레이용 준불연성 폴리우레탄 폼 조성물에 준불연성에 준하는 난연성능을 부여할 뿐만 아니라, 본 발명을 통해 제조되는 스프레이용 폴리우레탄 폼 조성물에 흐름성을 저하시키지 않아 스프레이 장치를 이용하여 폴리우레탄 폼을 시공할 수 있도록 하며, 표면품질이 우수한 폴리우레탄 폼이 제공될 수 있다록 하는 역할을 하는데, 팽창흑연 100 중량부, 인계난연제 8 내지 12 중량부, 코발트 8 내지 12 중량부, 계면활성제 8 내지 12 중량부, 용매 8 내지 12 중량부, 촉매 혼합물 100 내지 150 중량부, 발포제 혼합물 150 내지 200 중량부 및 물 50 내지 70 중량부로 이루어지는 것이 바람직하다.The flame retardant additive contains 40 to 50 parts by weight, and not only provides flame retardant performance equivalent to semi-incombustibility to the semi-incombustible polyurethane foam composition for spray according to the present invention, but also provides flame retardant performance equivalent to semi-incombustibility to the polyurethane foam composition for spray manufactured through the present invention. It does not reduce flowability, allowing polyurethane foam to be constructed using a spray device, and serves to ensure that polyurethane foam with excellent surface quality can be provided. 100 parts by weight of expanded graphite, 8 to 12 parts by weight of phosphorus-based flame retardant parts by weight, 8 to 12 parts by weight of cobalt, 8 to 12 parts by weight of surfactant, 8 to 12 parts by weight of solvent, 100 to 150 parts by weight of catalyst mixture, 150 to 200 parts by weight of blowing agent mixture, and 50 to 70 parts by weight of water. do.
상기 팽창흑연은 천연흑연, 키시(kish) 흑연 및 열분해 흑연 등과 같은 흑연을 진한 황산, 진한 질산, 진한 질산과 염소산칼륨, 진한 황산과 질산칼륨, 과산화수소 등의 강산화제와 붕산, 염화알루미늄 등의 할로겐화물로 처리함으로써, 층간화합물을 형성하고, 이 층간화합물이 형성된 흑연 입자(산처리 흑연연료)를 급격하게 발열 처리(예를 들면, 950℃ 이상의 고온에서 1-10초 동안)하여 분해가스를 발생시키고, 그 가스압에 의해 흑연 층간을 확장하는 과정을 통해 제조되는데, 상기의 과정을 통해 제조되는 팽창흑연은 가열에 의해 팽창하면서 열원을 차단하는 작용을 통해 폴리우레탄 폼에 준불연성에 준하는 난연성능을 부여하는 역할을 한다.The expanded graphite is made by mixing graphite such as natural graphite, kish graphite, and pyrolytic graphite with strong oxidizing agents such as concentrated sulfuric acid, concentrated nitric acid, concentrated nitric acid, potassium chlorate, concentrated sulfuric acid, potassium nitrate, and hydrogen peroxide, and halogens such as boric acid and aluminum chloride. By treating it with cargo, an interlayer compound is formed, and the graphite particles (acid-treated graphite fuel) in which this interlayer compound is formed are rapidly subjected to exothermic treatment (for example, at a high temperature of 950℃ or higher for 1-10 seconds) to generate decomposition gas. It is manufactured through a process of expanding the graphite layers using gas pressure. The expanded graphite manufactured through the above process expands when heated and blocks the heat source, providing flame retardant performance equivalent to semi-incombustibility of polyurethane foam. It plays a role in giving.
이때, 상기 팽창흑연은 팽창율(expansion rate)이 20 내지 500ml/g인 것을 사용하는 것이 바람직하며, 입자크기가 50 내지 150 메시 것을 사용하는 것이 바람직하다.At this time, it is preferable to use the expanded graphite having an expansion rate of 20 to 500 ml/g and a particle size of 50 to 150 mesh.
또한, 상기 인계난연제는 8 내지 12 중량부가 함유되며, 열분해에 의해 인산 메타인산과 폴리메타 인산을 생성하여 인산층에 의한 보호층의 형성과 폴리메타 인산에 의한 탈수작용으로 생성된 숯(char)에 의한 차단 효과가 작용하여 난연성을 부여하는 역할을 하는데, 적인(Red phosphorus), 암모늄 포스페이트, 암모늄 폴리포스페이트 및 트리아릴 포스페이트로 이루어진 그룹에서 선택된 하나 이상으로 이루어지는 것이 바람직하다.In addition, the phosphorus-based flame retardant contains 8 to 12 parts by weight, and phosphoric acid metaphosphoric acid and polymetaphosphoric acid are generated by thermal decomposition, forming a protective layer by the phosphoric acid layer, and char generated by dehydration by polymetaphosphoric acid. The blocking effect acts to provide flame retardancy, and it is preferably made of at least one selected from the group consisting of red phosphorus, ammonium phosphate, ammonium polyphosphate, and triaryl phosphate.
상기 인계난연제의 함량이 8 중량부 미만이면 상기의 효과가 미미하며, 상기 인계난연제의 함량이 12 중량부를 초과하게 되면 상기의 효과는 크게 향상되지 않으면서 폴리우레판 폼의 물성과 외관품질이 저하될 수 있기 때문에 바람직하지 못하다.If the content of the phosphorus-based flame retardant is less than 8 parts by weight, the above effect is minimal, and if the content of the phosphorus-based flame retardant exceeds 12 parts by weight, the above effect is not significantly improved, but the physical properties and appearance quality of the polyurethane foam deteriorate. It is undesirable because it can happen.
또한, 상기 코발트는 8 내지 12 중량부가 함유되며, 본 발명에 따른 준불연성 폴리우레탄 폼 조성물에 난연성을 부여할 뿐만 아니라, 본 발명을 통해 제조되는 폴리우레탄 폼의 접착력을 향상시켜 건축물에 대한 폴리우레탄 폼의 시공성을 향상키는 역할을 하는데, 상기 코발트의 함량이 8 중량부 미만이면 상기의 효과가 미미하며, 상기 코발트의 함량이 12 중량부를 초과하게 되면 폴리우레탄 폼 조성물의 흐름성이 저하되어 스프레이 장치를 이용한 시공과정의 진행이 어렵고, 시공된 폴리우레탄 폼의 외관품질이 저하될 수 있다.In addition, the cobalt contains 8 to 12 parts by weight, and not only provides flame retardancy to the semi-incombustible polyurethane foam composition according to the present invention, but also improves the adhesion of the polyurethane foam manufactured through the present invention, thereby improving the adhesion of the polyurethane foam to buildings. It plays a role in improving the constructability of the foam. If the cobalt content is less than 8 parts by weight, the above effect is minimal, and if the cobalt content exceeds 12 parts by weight, the flowability of the polyurethane foam composition decreases, making it difficult to spray. It is difficult to proceed with the construction process using the device, and the exterior quality of the constructed polyurethane foam may deteriorate.
또한, 상기 용매는 8 내지 12 중량부가 함유되며, 본 발명에 따른 준불연성 폴리우레탄 폼 조성물을 구성하는 각 성분이 고르게 혼합될 수 있도록 하는 역할을 하는데, 2-(2-하이드록시에틸아미노)에탄올로 이루어지는 것이 바람직하다.In addition, the solvent contains 8 to 12 parts by weight and serves to ensure that each component constituting the semi-incombustible polyurethane foam composition according to the present invention is evenly mixed, including 2-(2-hydroxyethylamino)ethanol. It is desirable to consist of
또한, 상기 촉매 혼합물은 110 내지 130 중량부가 함유되며, 트리에틸렌디아민 100 중량부 및 Pb-octoate 90 내지 110 중량부로 이루어지는데, 상기 트리에틸렌디아민은 3급 아민 촉매로 상기 폴리올 성분의 가공을 유리하며, 특히 폴리우레탄 폼이 목적하는 점탄성 특성을 갖도록 하는 역할을 할 뿐만 아니라, 전체 상승 시간(full rise time)을 단축시키는 역할을 한다.In addition, the catalyst mixture contains 110 to 130 parts by weight and consists of 100 parts by weight of triethylenediamine and 90 to 110 parts by weight of Pb-octoate, and the triethylenediamine is a tertiary amine catalyst that facilitates processing of the polyol component. , In particular, it not only plays a role in ensuring that polyurethane foam has the desired viscoelastic properties, but also plays a role in shortening the full rise time.
또한, 상기 Pb-octoate는 촉매의 역할을 함과 동시에 폴리우레판 폼의 경화시간을 단축하여 현장시공성을 향상시키는 역할을 하는데, 상기 Pb-octoate의 함량이 90 중량부 미만이면 상기의 효과가 미미하며, 상기 Pb-octoate의 함량이 110 중량부를 초과하게 되면 상기의 효과는 크게 향상되지 않으면서 폴리우레판 폼의 경화시간이 지나치게 단축되어 현장시공성이 오히려 저하될 수 있다.In addition, the Pb-octoate acts as a catalyst and improves field constructability by shortening the curing time of polyurethane foam. If the content of Pb-octoate is less than 90 parts by weight, the effect is minimal. If the content of Pb-octoate exceeds 110 parts by weight, the above effect is not significantly improved and the curing time of the polyurethane foam is excessively shortened, which may actually reduce field constructability.
또한, 상기 발포제 혼합물은 155 내지 215 중량부가 함유되며, 1,1-디클로로-1-플루오로에탄 100 중량부 및 인산트리크레실 45 내지 55 중량부로 이루어지는데, 폴리우레탄을 발포시켜 폼의 형태를 나타내도록 하는 역할을 하는데, 특히 상기 발포제 혼합물에 함유되는 인산트리크레질은 상기 폴리올과의 상충작용으로 난연성능과 자기소화성능을 부여하는 역할을 한다.In addition, the foaming agent mixture contains 155 to 215 parts by weight and consists of 100 parts by weight of 1,1-dichloro-1-fluoroethane and 45 to 55 parts by weight of tricresyl phosphate. The foam is formed by foaming polyurethane. In particular, tricresyl phosphate contained in the blowing agent mixture plays a role in providing flame retardant performance and self-extinguishing performance through a conflicting effect with the polyol.
상기 발포제 혼합물의 혼합되어 발포되는 폴리우레탄 폼은 발포층 형성에 의하여 단열효과가 매우 뛰어나므로 고열이 발생되는 전자장치에도 열을 효과적으로 차폐시켜 안전하게 보호할 수 있을 뿐 아니라 발포에 의해 다공질(多孔質)로 형성된 것이므로 충격을 효과적으로 흡수하고, 제품을 안전하게 보호하여 PCB 및 반도체 소자들의 파손을 방지할 수 있어 건축자재 뿐만 아니라, 전자기기용으로도 그 용도가 확대될 수 있다.The polyurethane foam that is foamed by mixing the foaming agent mixture has an excellent thermal insulation effect due to the formation of a foam layer, so not only can it effectively shield and protect heat from electronic devices that generate high heat, but it is also porous by foaming. Since it is formed of , it can effectively absorb shock, protect the product safely, and prevent damage to PCBs and semiconductor devices, so its use can be expanded to not only construction materials but also electronic devices.
상기 발포제 혼합물의 함량이 155 중량부 미만이면 폴리우레탄 폼의 발포효율이 저하되며, 상기 발포제 혼합물의 함량이 215 중량부를 초과하게 되면 폴리우레탄 폼의 발포가 지나치게 진행되어 기계적 물성이 저하될 수 있다.If the content of the foaming agent mixture is less than 155 parts by weight, the foaming efficiency of the polyurethane foam decreases, and if the content of the foaming agent mixture exceeds 215 parts by weight, the foaming of the polyurethane foam progresses excessively and mechanical properties may be reduced.
또한, 상기 난연성 첨가제에는 상기 팽창흑연 100 중량부 대비 무기금속 수산화물 및 나노클레이가 함유된 난연성분 30 내지 50 중량부가 더 함유될 수 있는데, 상기의 성분으로 이루어지는 난연성분은 본 발명을 통해 제조되는 스프레이용 준불연성 폴리우레탄 폼 조성물의 흐름성을 크게 저하시키지 않아 스프레이 장치를 통한 시공성능이 유지되면서도 난연성, 전기절연성 및 고온안정성을 더욱 향상시키는 역할을 한다.In addition, the flame retardant additive may further contain 30 to 50 parts by weight of a flame retardant component containing inorganic metal hydroxide and nanoclay relative to 100 parts by weight of the expanded graphite, and the flame retardant component consisting of the above components is a spray manufactured through the present invention. It does not significantly reduce the flowability of the semi-incombustible polyurethane foam composition, thereby maintaining construction performance through a spray device and further improving flame retardancy, electrical insulation, and high temperature stability.
이때, 상기 난연성분은 무기금속 수산화물 100 중량부, 표면개질된 질화붕소 30 내지 50 중량부 및 나노클레이 20 내지 30 중량부로 이루어지는 것이 바람직하다.At this time, the flame retardant component is preferably comprised of 100 parts by weight of inorganic metal hydroxide, 30 to 50 parts by weight of surface-modified boron nitride, and 20 to 30 parts by weight of nanoclay.
상기 무기금속 수산화물은 폴리우레탄 폼의 흐름성을 저하시키지 않으면서 난연성능을 더욱 향상시키는 역할을 하는데, 수산화알루미늄 및 수산화마그네슘으로 이루어진 그룹에서 선택된 하나 이상으로 이루어지는 것이 바람직하다.The inorganic metal hydroxide serves to further improve flame retardant performance without reducing the flowability of polyurethane foam, and is preferably made of at least one selected from the group consisting of aluminum hydroxide and magnesium hydroxide.
또한, 상기 표면개질된 질화붕소는 30 내지 50 중량부가 함유되는데, 질화붕소는 우수한 전기절연성을 나타낼 뿐만 아니라, 고온에서 안정성이 우수하며 내산성을 나타내는 폴리우레탄 폼을 제공하는 역할을 하는데, 본 발명을 통해 제조되는 폴리우레탄 폼에 고르게 분산될 수 있도록 표면에 벤질아민 또는 벤질알코올을 치환하여 친수성으로 표면이 개질되는 것이 바람직하다.In addition, the surface-modified boron nitride contains 30 to 50 parts by weight, and boron nitride not only exhibits excellent electrical insulation properties, but also serves to provide a polyurethane foam that exhibits excellent stability at high temperatures and acid resistance. The present invention It is preferable that the surface is modified to be hydrophilic by substituting benzylamine or benzyl alcohol on the surface so that it can be evenly dispersed in the polyurethane foam produced through the polyurethane foam.
상기 질화붕소의 함량이 30 중량부 미만이면 상기의 효과가 미미하며, 상기 질화붕소의 함량이 50 중량부를 초과하게 되면 상기의 효과는 크게 향상되지 않으면서 상대적으로 무기금속 수산화물 및 나노클레이의 함량이 줄어들어 난연성분으로 인한 난연효과가 저하되기 때문에 바람직하지 못하다.If the content of boron nitride is less than 30 parts by weight, the above effect is minimal, and if the content of boron nitride exceeds 50 parts by weight, the above effect is not greatly improved and the content of inorganic metal hydroxide and nanoclay is relatively high. This is undesirable because the flame retardant effect due to the flame retardant component decreases.
또한, 상기 나노클레이는 20 내지 30 중량부가 함유되며, 본 발명을 통해 제조되는 폴리우레탄 폼에 기계적 물성, 내열성 및 난연성을 더욱 향상시키는 역할을 하는데, 폴리우레탄 성분과 혼합되면 삽입형 구조와 박리형 구조가 공존하는 복합구조를 나타내기 때문에, 난연성을 부여할 뿐만 아니라, 화염전파 차단력이 향상된다.In addition, the nanoclay contains 20 to 30 parts by weight and serves to further improve the mechanical properties, heat resistance, and flame retardancy of the polyurethane foam manufactured through the present invention. When mixed with the polyurethane component, it has an insert-type structure and a peel-off structure. Since it exhibits a composite structure in which
상기 나노클레이의 함량이 20 중량부 미만이면 폴리우레탄 폼의 압축강도와 같은 기계적 물성의 향상효과가 미미하며, 상기 나노클레이의 함량이 30 중량부를 초과하게 되면 폴리우레탄 폼에 고르게 분산되지 못하고 나노클레이 성분 간의 뭉침현상이 발생하여 폴리우레탄 폼의 물성과 외관품질을 저하시킬 수 있다.If the content of the nanoclay is less than 20 parts by weight, the effect of improving mechanical properties such as compressive strength of the polyurethane foam is minimal, and if the content of the nanoclay exceeds 30 parts by weight, it is not evenly dispersed in the polyurethane foam and the nanoclay Agglomeration between components may occur, deteriorating the physical properties and appearance quality of polyurethane foam.
또한, 상기 나노클레이는 몬모릴로나이트, 헥토라이트, 벤토나이트, 버미큘라이트 및 볼콘스코이트로 이루어진 그룹에서 선택된 하나 이상으로 이루어지는 것이 바람직한데, 상기 몬모릴로나이트는 유기화합물로 개질된 형태이며, 구체적으로는 Southern Clay Products사의 제품의 Cloisite® 10A, Cloisite® 15A, Cloisite® 20A, Cloisite® 25A, Cloisite® 30B, Cloisite® 93A 등을 사용할 수 있다.In addition, the nanoclay is preferably made of at least one selected from the group consisting of montmorillonite, hectorite, bentonite, vermiculite, and volcanicite. The montmorillonite is a form modified with an organic compound, specifically, a product of Southern Clay Products. Cloisite® 10A, Cloisite® 15A, Cloisite® 20A, Cloisite® 25A, Cloisite® 30B, Cloisite® 93A, etc. can be used.
상기의 성분으로 이루어지는 난연성분의 함량이 30 중량부 미만이면 상기의 효과가 미미하며, 상기의 성분으로 이루어지는 난연성분의 함량이 50 중량부를 초과하게 되면 폴리우레탄 폼 조성물의 흐름성이 저하되어 스프레이 장치를 통한 시공성이 저하될 수 있다.If the content of the flame retardant component composed of the above components is less than 30 parts by weight, the above effect is minimal, and if the content of the flame retardant component composed of the above components exceeds 50 parts by weight, the flowability of the polyurethane foam composition decreases and the spray device Constructability may be reduced.
이하에서는, 본 발명에 따른 스프레이용 준불연성 폴리우레탄 폼 조성물의 제조방법 및 그 제조방법으로 제조된 폴리우레탄 폼 조성물의 물성을 실시예를 들어 설명하기로 한다.Hereinafter, the manufacturing method of the semi-incombustible polyurethane foam composition for spraying according to the present invention and the physical properties of the polyurethane foam composition manufactured by the manufacturing method will be described with reference to examples.
<제조예 1> 난연성 첨가제의 제조<Preparation Example 1> Preparation of flame retardant additives
팽창흑연 100 중량부, 적인 10 중량부, 코발트 10 중량부, 계면활성제(Evonik의 Dabco® LK-443) 10 중량부, 용매(2-(2-하이드록시에틸아미노)에탄올) 10 중량부, 촉매 혼합물(트리에틸렌디아민과 Pb-octoate가 1:1의 중량부로 혼합) 120 중량부, 발포제 혼합물(1,1-디클로로-1-플루오로에탄과 인산트리크레실이 2:1의 중량부로 혼합) 180 중량부 및 물 60 중량부를 혼합하여 난연성 첨가제를 제조하였다.100 parts by weight of expanded graphite, 10 parts by weight of red, 10 parts by weight of cobalt, 10 parts by weight of surfactant (Dabco® LK-443 from Evonik), 10 parts by weight of solvent (2-(2-hydroxyethylamino)ethanol), catalyst 120 parts by weight of mixture (triethylenediamine and Pb-octoate mixed in a weight ratio of 1:1), blowing agent mixture (1,1-dichloro-1-fluoroethane and tricresyl phosphate mixed in a weight ratio of 2:1) A flame retardant additive was prepared by mixing 180 parts by weight and 60 parts by weight of water.
<제조예 2> 난연성분의 제조<Preparation Example 2> Preparation of flame retardant ingredient
무기금속 수산화물(수산화알루미늄) 100 중량부, 벤질아민으로 표면처리되어 친수성으로 표면개질된 질화붕소 40 중량부 및 나노클레이(몬모릴로나이트) 25 중량부를 혼합하여 난연성분을 제조하였다.A flame retardant component was prepared by mixing 100 parts by weight of inorganic metal hydroxide (aluminum hydroxide), 40 parts by weight of boron nitride surface-treated with benzylamine and surface modified to be hydrophilic, and 25 parts by weight of nanoclay (montmorillonite).
<실시예 1><Example 1>
폴리올(폴리에틸렌 글리콜) 100 중량부에 상기 제조예 1을 통해 제조된 난연성 첨가제 45 중량부를 혼합하여 폴리올 혼합물을 제조하고, 상기 폴리올 혼합물 100 중량부 대비 디이소시아네이트(2,4-톨릴렌디이소시아네이트) 66 중량부를 혼합하고 45℃의 온도에서 발포 및 경화하여 스프레이용 준불연성 폴리우레탄 폼 조성물을 제조하였다.A polyol mixture was prepared by mixing 45 parts by weight of the flame retardant additive prepared through Preparation Example 1 with 100 parts by weight of polyol (polyethylene glycol), and 66 parts by weight of diisocyanate (2,4-tolylene diisocyanate) was added to 100 parts by weight of the polyol mixture. The parts were mixed and foamed and cured at a temperature of 45° C. to prepare a semi-incombustible polyurethane foam composition for spraying.
<실시예 2><Example 2>
상기 실시예 1과 동일하게 진행하되, 상기 난연성 첨가제에 함유된 팽창흑연 100 중량부 대비 상기 제조예 2를 통해 제조된 난연성분 40 중량부를 더 혼합하여 스프레이용 준불연성 폴리우레탄 폼 조성물을 제조하였다.Proceeding in the same manner as in Example 1, a semi-incombustible polyurethane foam composition for spraying was prepared by further mixing 40 parts by weight of the flame retardant component prepared through Preparation Example 2 with 100 parts by weight of expanded graphite contained in the flame retardant additive.
<실시예 3><Example 3>
상기 실시예 1과 동일하게 진행하되, 상기 난연성 첨가제에 함유된 팽창흑연 100 중량부 대비 상기 제조예 2를 통해 제조된 난연성분 30 중량부를 더 혼합하여 스프레이용 준불연성 폴리우레탄 폼 조성물을 제조하였다.Proceeding in the same manner as in Example 1, a semi-incombustible polyurethane foam composition for spraying was prepared by further mixing 30 parts by weight of the flame retardant component prepared through Preparation Example 2 with 100 parts by weight of expanded graphite contained in the flame retardant additive.
<실시예 4><Example 4>
상기 실시예 1과 동일하게 진행하되, 상기 난연성 첨가제에 함유된 팽창흑연 100 중량부 대비 상기 제조예 2를 통해 제조된 난연성분 50 중량부를 더 혼합하여 스프레이용 준불연성 폴리우레탄 폼 조성물을 제조하였다.Proceeding in the same manner as in Example 1, a semi-incombustible polyurethane foam composition for spraying was prepared by further mixing 50 parts by weight of the flame retardant component prepared through Preparation Example 2 with 100 parts by weight of expanded graphite contained in the flame retardant additive.
<비교예 1><Comparative Example 1>
폴리올(폴리에틸렌 글리콜) 100 중량부에 디이소시아네이트(2,4-톨릴렌디이소시아네이트) 100 중량부를 혼합하고 45℃의 온도에서 발포 및 경화하여 폴리우레탄 폼 조성물을 제조하였다.A polyurethane foam composition was prepared by mixing 100 parts by weight of diisocyanate (2,4-tolylene diisocyanate) with 100 parts by weight of polyol (polyethylene glycol) and foaming and curing at a temperature of 45°C.
<비교예 2><Comparative Example 2>
상기 실시예 1과 동일하게 진행하되, 상기 난연성 첨가제에 함유된 팽창흑연 100 중량부 대비 상기 제조예 2를 통해 제조된 난연성분 10 중량부를 더 혼합하여 준불연성 폴리우레탄 폼 조성물을 제조하였다.Proceeding in the same manner as in Example 1, a semi-incombustible polyurethane foam composition was prepared by mixing 10 parts by weight of the flame retardant component prepared through Preparation Example 2 with respect to 100 parts by weight of expanded graphite contained in the flame retardant additive.
<비교예 3><Comparative Example 3>
상기 실시예 1과 동일하게 진행하되, 상기 난연성 첨가제에 함유된 팽창흑연 100 중량부 대비 상기 제조예 2를 통해 제조된 난연성분 100 중량부를 더 혼합하여 준불연성 폴리우레탄 폼 조성물을 제조하였다.Proceeding in the same manner as in Example 1, a semi-incombustible polyurethane foam composition was prepared by further mixing 100 parts by weight of the flame retardant component prepared through Preparation Example 2 with 100 parts by weight of expanded graphite contained in the flame retardant additive.
상기 실시예 1을 통해 제조된 스프레이용 준불연성 폴리우레탄 폼 조성물을 발포시켜 제조된 폴리우레탄 폼의 물성을 한국화학융합시험연구원에 의뢰하여 그 결과를 아래 표 1에 나타내었다.The physical properties of the polyurethane foam manufactured by foaming the semi-incombustible polyurethane foam composition for spraying prepared in Example 1 were requested from the Korea Testing and Research Institute, and the results are shown in Table 1 below.
아래 표 1에 나타낸 것처럼, 상기 실시예 1을 통해 제조된 스프레이용 준불연성 폴리우레탄 폼 조성물로 제조된 폴리우레탄 폼은 열전도율이 낮고, 압축강도가 우수할 뿐만 아니라, 흡수량이 낮고, 연소길이와 연소시간이 준불연성의 조건을 만족하는 것을 알 수 있다.As shown in Table 1 below, the polyurethane foam made from the semi-incombustible polyurethane foam composition for spraying prepared in Example 1 not only has low thermal conductivity and excellent compressive strength, but also has low absorption, combustion length and combustion. It can be seen that the time satisfies the conditions of quasi-incombustibility.
또한, 상기 실시예 1을 통해 제조된 스프레이용 폴리우레탄 폼 조성물을 스프레이장치로 콘크리트로 이루어진 건축물의 내부에 스프레이한 후에 발포된 모습을 촬영하여 아래 도 2에 나타내었다.In addition, the polyurethane foam composition for spraying prepared in Example 1 was sprayed on the inside of a concrete building using a spray device, and then the foamed state was photographed and shown in Figure 2 below.
아래 도 2에 나탄내 것처럼, 본 발명의 실시예 1을 통해 제조된 스프레이용 폴리우레탄 폼 조성물은 건축물의 내부에 스프레이된 후에 우수한 외관품질을 나타내는 폴리우레판 폼을 형성하는 것을 알 수 있다.As shown in Figure 2 below, it can be seen that the polyurethane foam composition for spraying prepared through Example 1 of the present invention forms a polyurethane foam showing excellent exterior quality after being sprayed on the interior of a building.
또한, 상기 실시예 1을 통해 제조된 스프레이용 폴리우레탄 폼 조성물을 스프레이장치로 콘크리트로 이루어진 건축물의 내부에 스프레이한 후에 발포시켜 폴리우레탄 폼층을 형성시키고, 상기 폴리우레탄 폼층에 토치불꽃을 5초 동안 적용한 결과를 아래 도 3에 나타내었다.In addition, the polyurethane foam composition for spraying prepared in Example 1 was sprayed on the inside of a concrete building using a spray device and then foamed to form a polyurethane foam layer, and a torch flame was applied to the polyurethane foam layer for 5 seconds. The applied results are shown in Figure 3 below.
아래 도 3에 나타낸 것처럼, 본 발명의 실시예 1을 통해 제조된 스프레이용 준불연성 폴리우레탄 폼 조성물은 우수한 난연성능을 나타내는 폴리우레탄 폼을 제공하는 것을 알 수 있다.As shown in Figure 3 below, it can be seen that the semi-incombustible polyurethane foam composition for spraying prepared through Example 1 of the present invention provides polyurethane foam showing excellent flame retardant performance.
또한, 상기 실시예 1 및 비교예 1을 통해 제조된 폴리우레탄 폼 조성물로 형성된 폴리우레탄 폼에 토치불꽃을 각각 20초 동안 적용한 후에 결과를 아래 도 4에 나타내었다.In addition, after applying a torch flame to the polyurethane foam formed from the polyurethane foam composition prepared through Example 1 and Comparative Example 1 for 20 seconds, the results are shown in Figure 4 below.
아래 도 4에 나타낸 것처럼, 본 발명의 실시예 1을 통해 제조된 스프레이용 준불연성 폴리우레탄 폼 조성물로 형성된 폴리우레탄 폼은 연소없이 표면에 탄화만 진행된 반면, 비교예 1을 통해 제조된 폴리우레탄 폼 조성물로 형성된 폴리우레탄 폼은 연소과정이 진행되며 형상유지가 어려운 것을 알 수 있다.As shown in Figure 4 below, the polyurethane foam formed from the semi-incombustible polyurethane foam composition for spraying prepared through Example 1 of the present invention only underwent carbonization on the surface without combustion, whereas the polyurethane foam prepared through Comparative Example 1 It can be seen that the polyurethane foam formed from the composition has difficulty maintaining its shape as the combustion process progresses.
또한, 본원발명의 실시예 1 내지 4 및 비교예 1 내지 3을 통해 제조된 폴리우레탄 폼 조성물로 제조된 폴리우레탄 폼의 난연성을 측정하여 아래 표 1에 나타내었다.In addition, the flame retardancy of the polyurethane foam made from the polyurethane foam composition prepared through Examples 1 to 4 and Comparative Examples 1 to 3 of the present invention was measured and shown in Table 1 below.
{단, 난연성은 KSM ISO 4589-2의 측정방법을 이용하였으며, 제조된 폴리우레탄 폼 조성물을 스프레이 장치로 분무하고 발포시켜 폴리우레탄 폼으로 제조한 후에 측정하는 방법을 이용하였다.}{However, the flame retardancy was measured using the measurement method of KSM ISO 4589-2, and was measured after spraying the prepared polyurethane foam composition with a spray device and foaming it to produce polyurethane foam.}
<표 1><Table 1>
상기 표 1에 나타낸 것처럼, 본 발명의 실시예 1 내지 4를 통해 제조된 스프레이용 준불연성 폴리우레탄 폼 조성물은 준불연성의 조건을 만족하는 난연성을 나타내는 폴리우레판 폼을 제공하며, 특히 실시예 2 내지 4를 통해 제조된 스프레이용 준불연성 폴리우레탄 폼 조성물로 제조된 폴리우레탄 폼의 난연성이 더욱 우수한 것을 알 수 있다.As shown in Table 1, the semi-incombustible polyurethane foam composition for spraying prepared through Examples 1 to 4 of the present invention provides a polyurethane foam exhibiting flame retardancy that satisfies the conditions of semi-incombustibility, especially Example 2 It can be seen that the flame retardancy of the polyurethane foam made from the semi-incombustible polyurethane foam composition for spraying prepared through steps 4 to 4 is more excellent.
반면, 비교예 1 내지 2를 통해 제조된 폴리우레탄 폼 조성물로 제조된 폴리우레탄 폼은 상대적으로 난연성이 낮았으며, 비교예 3을 통해 제조된 폴리우레탄 폼 조성물은 흐름성이 지나치게 저하되어 스프레이장치를 이용한 시공이 불가능했다.On the other hand, the polyurethane foam made from the polyurethane foam composition prepared through Comparative Examples 1 and 2 had relatively low flame retardancy, and the polyurethane foam composition prepared through Comparative Example 3 had excessively reduced flowability, requiring the use of a spray device. Construction using it was impossible.
따라서, 본 발명에 따른 스프레이용 준불연성 폴리우레탄 폼 조성물은 준불연성에 준하는 난연성능을 나타낼 뿐만 아니라, 스프레이식 발포가 가능하며 우수한 표면품질을 나타내어 다양한 구조물에 적용할 수 있는 폴리우레탄 폼 조성물을 제공한다.Therefore, the semi-incombustible polyurethane foam composition for spraying according to the present invention not only exhibits flame retardant performance equivalent to semi-incombustibility, but also enables spray foaming and exhibits excellent surface quality, providing a polyurethane foam composition that can be applied to various structures. do.
Claims (9)
상기 난연성 첨가제는 팽창흑연 100 중량부, 인계난연제 8 내지 12 중량부, 코발트 8 내지 12 중량부, 계면활성제 8 내지 12 중량부, 용매 8 내지 12 중량부, 촉매 혼합물 100 내지 150 중량부, 발포제 혼합물 150 내지 200 중량부 및 물 50 내지 70 중량부로 이루어지고,
상기 인계난연제는 적인, 암모늄 포스페이트 및 암모늄 폴리포스페이트로 이루어진 그룹에서 선택된 하나 이상으로 이루어지며,
상기 난연성 첨가제에는 상기 팽창흑연 100 중량부 대비 무기금속 수산화물 및 나노클레이가 함유된 난연성분 30 내지 50 중량부가 더 함유되고,
상기 난연성분은 무기금속 수산화물 100 중량부, 표면개질된 질화붕소 30 내지 50 중량부 및 나노클레이 20 내지 30 중량부로 이루어지며,
상기 나노클레이는 헥토라이트, 버미큘라이트 및 볼콘스코이트로 이루어진 그룹에서 선택된 하나 이상으로 이루어지는 것을 특징으로 하는 스프레이용 준불연성 폴리우레탄 폼 조성물.
It consists of 100 parts by weight of polyol, 90 to 100 parts by weight of diisocyanate, and 40 to 50 parts by weight of flame retardant additive,
The flame retardant additive includes 100 parts by weight of expanded graphite, 8 to 12 parts by weight of a phosphorus-based flame retardant, 8 to 12 parts by weight of cobalt, 8 to 12 parts by weight of a surfactant, 8 to 12 parts by weight of a solvent, 100 to 150 parts by weight of a catalyst mixture, and a foaming agent mixture. It consists of 150 to 200 parts by weight and 50 to 70 parts by weight of water,
The phosphorus-based flame retardant is composed of at least one selected from the group consisting of ammonium phosphate and ammonium polyphosphate,
The flame retardant additive further contains 30 to 50 parts by weight of a flame retardant component containing inorganic metal hydroxide and nanoclay relative to 100 parts by weight of the expanded graphite,
The flame retardant component consists of 100 parts by weight of inorganic metal hydroxide, 30 to 50 parts by weight of surface-modified boron nitride, and 20 to 30 parts by weight of nanoclay,
The nanoclay is a semi-non-flammable polyurethane foam composition for spraying, characterized in that it consists of one or more selected from the group consisting of hectorite, vermiculite, and volconicite.
상기 용매는 2-(2-하이드록시에틸아미노)에탄올로 이루어지는 것을 특징으로 하는 스프레이용 준불연성 폴리우레탄 폼 조성물.
In claim 1,
A semi-non-flammable polyurethane foam composition for spraying, characterized in that the solvent consists of 2-(2-hydroxyethylamino)ethanol.
상기 촉매혼합물은 트리에틸렌디아민 100 중량부 및 Pb-octoate 90 내지 110 중량부로 이루어지는 것을 특징으로 하는 스프레이용 준불연성 폴리우레탄 폼 조성물.
In claim 1,
The catalyst mixture is a semi-incombustible polyurethane foam composition for spraying, characterized in that it consists of 100 parts by weight of triethylenediamine and 90 to 110 parts by weight of Pb-octoate.
상기 발포제 혼합물은 1,1-디클로로-1-플루오로에탄 100 중량부 및 인산트리크레실 45 내지 55 중량부로 이루어지는 것을 특징으로 하는 스프레이용 준불연성 폴리우레탄 폼 조성물.
In claim 1,
The foaming agent mixture is a semi-non-flammable polyurethane foam composition for spraying, characterized in that it consists of 100 parts by weight of 1,1-dichloro-1-fluoroethane and 45 to 55 parts by weight of tricresyl phosphate.
상기 무기금속 수산화물은 수산화알루미늄 및 수산화마그네슘으로 이루어진 그룹에서 선택된 하나 이상으로 이루어지는 것을 특징으로 하는 스프레이용 준불연성 폴리우레탄 폼 조성물.In claim 1,
A semi-non-flammable polyurethane foam composition for spraying, characterized in that the inorganic metal hydroxide consists of at least one selected from the group consisting of aluminum hydroxide and magnesium hydroxide.
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