KR100650931B1 - The flameproof composition of adiabatic material and its manufacturing method - Google Patents
The flameproof composition of adiabatic material and its manufacturing method Download PDFInfo
- Publication number
- KR100650931B1 KR100650931B1 KR1020050035406A KR20050035406A KR100650931B1 KR 100650931 B1 KR100650931 B1 KR 100650931B1 KR 1020050035406 A KR1020050035406 A KR 1020050035406A KR 20050035406 A KR20050035406 A KR 20050035406A KR 100650931 B1 KR100650931 B1 KR 100650931B1
- Authority
- KR
- South Korea
- Prior art keywords
- flame retardant
- weight
- parts
- silicate
- retardant composition
- Prior art date
Links
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 title abstract description 3
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- 239000003063 flame retardant Substances 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 20
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- 229910052918 calcium silicate Inorganic materials 0.000 claims description 5
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 5
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- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 2
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- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 claims description 2
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
- E06B7/36—Finger guards or other measures preventing harmful access between the door and the door frame
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/18—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever
- E06B7/20—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever automatically withdrawn when the wing is opened, e.g. by means of magnetic attraction, a pin or an inclined surface, especially for sills
- E06B7/215—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever automatically withdrawn when the wing is opened, e.g. by means of magnetic attraction, a pin or an inclined surface, especially for sills with sealing strip being moved to a retracted position by elastic means, e.g. springs
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/40—Physical or chemical protection
- E05Y2800/41—Physical or chemical protection against finger injury
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Paints Or Removers (AREA)
- Fireproofing Substances (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
본 발명은 화재 시에 발포폴리스티렌블록과 우레탄 패널과 같은 단열재의 연소방지를 위한 내화 피복재 난연조성물과 본 난연조성물을 단열재에 적용하기 위한 제조 방법에 관한 것이다. 이를 위하여, 본 발명에서의 난연조성물은, 규산염, 무기충진물, 난연제, 내수성 부여제, 기능성 첨가제로 구성된 것으로, 본 난연조성물을 발포폴리스티렌 블록에 적용하는 단계에서 단열재의 형상 붕괴를 방지하도록 하는 새로운 제조방법으로서 발포폴리스티렌블록 전면에 핀 홀을 형성시키어 스프레이 또는 함침시켜 난연 성능을 극대화시켰으며, 본 발명의 제조공정은 종래의 발포폴리스티렌 블록의 제조설비 변경 없이 손 쉽게 적용 가능하도록 하여 설비 투자 비용을 최소화하도록 하고 있으며, 수용성이기 때문에 유독성 가스나 분진 등의 발생이 없어 인체에 무해하며 오염원을 생성하지 않는 특징이 있다.The present invention relates to a fireproof coating material flame retardant composition for preventing combustion of a heat insulating material such as a foamed polystyrene block and a urethane panel in a fire and a manufacturing method for applying the present flame retardant composition to a heat insulating material. To this end, the flame retardant composition in the present invention is composed of silicate, inorganic filler, flame retardant, water resistance imparting agent, functional additives, a new production to prevent the shape collapse of the insulation in the step of applying the flame retardant composition to the foamed polystyrene block As a method, a pin hole was formed on the front surface of the expanded polystyrene block to maximize the flame retardant performance by spraying or impregnating, and the manufacturing process of the present invention can be easily applied without changing the manufacturing equipment of the conventional expanded polystyrene block, thereby minimizing equipment investment cost. As it is water soluble, there is no toxic gas or dust, so it is harmless to human body and does not generate pollutant.
단열재, 발포폴리스티렌, 화재, 내열성, 난연화, 연소억제 Insulation, foamed polystyrene, fire, heat resistance, flame retardant, combustion suppression
Description
도 1은 본 발명에 의한 난연조성물 및 단열재의 핀홀 형성 방법을 적용하여 제조하는 공정의 설명도.1 is an explanatory diagram of a process of applying the pinhole forming method of the flame retardant composition and the heat insulating material according to the present invention.
도 2는 단열재에 형성시키는 핀 홀의 상세 제원.2 is a detailed specification of the pinhole to be formed in the heat insulating material.
도 3은 본 발명을 적용한 발포폴리스티렌블록이 고온 화염에서 형성되는 유리상 피막 개략단면도.Figure 3 is a schematic cross-sectional view of a glassy film formed foam polystyrene block to which the present invention is applied at a high temperature flame.
도 4는 연소 실험 비교 예.4 is a comparative example of a combustion experiment.
<도의 주요 부분에 대한 부호의 설명><Description of the code for the main part of the figure>
1. 발포폴리스티렌블록 성형 2. 열선(Hot wire)1. Foam
3. 절단 가공된 발포폴리스티렌 4. 핀 홀(Pin-hole)3. Cutting processed
5. 본 발명의 난연제 6. 스프레이 건5. Flame retardant of the present invention 6. Spray gun
7. 핀 홀의 간격 8. 핀 홀의 내경7. Spacing of pin holes 8. Inner diameter of pin hole
9. 핀 홀의 깊이 10. 난연조성물 피막9. Depth of
현재 샌드위치 패널의 심재로는 폴리스틸렌폼, 우레탄폼, 글래스울 등이 많이 사용되고 있다. 폴리스틸렌 폼 및 우레탄 폼은 저렴하고 작업성, 단열성이 우수한 반면, 화재 시에 용융 연소하며 형체가 급격히 붕괴하는 문제점이 있다. 우레탄폼을 개질한 PIR패널은 이소시아네이트의 성분을 증가시켜 난연성능을 강화하고 있으나, 제조 기술의 어려움으로 공정 상 두꺼운 패널의 생산이 어려운 실정이다. 글래스울은 내화성능이 뛰어난 반면, 사업장에서의 제조 시 글래스 울의 미세 입자가 작업자의 체내에 흡입될 가능성이 매우 높아 안전보건 상의 심각한 위험성이 지적되고 있으며, 내수성이 부족해 패널의 성능이 저하되는 문제점이 있다. 반면, 발포폴리스티렌 블록은 가격이 저렴하고, 뛰어난 단열성과 내수성, 경량성 등으로 인하여, 건축물 내 외장재와 옥외 구조물 등의 샌드위치 패널용 단열재로서 대량으로 사용되고 있다. 그러나 발포폴리스티렌은 화재 시에 250~300℃에서 열분해가 시작되어 형태변형이 일어나며 착화가 일어나면 산소를 대량으로 소비하여 순식간에 연소되기 때문에 불완전 연소가 일어나기 쉬워서 일산화탄소에 의한 질식 사고의 위험성이 높다. 이상과 같이 단열재 패널의 난연화에 관한 종래의 기술을 살펴 보면, 1차 발포 비즈를 난연코팅하는 방식과 발포폴리스티렌 블록을 수 mm 크기로 분쇄하여 난연조성물을 혼합시켜 가압 성형하는 방식 등 크게 2가지로 나눌 수 있다. Currently, polystyrene foam, urethane foam, glass wool, etc. are used as core materials of sandwich panels. While polystyrene foam and urethane foam are inexpensive and have excellent workability and thermal insulation, they melt and burn in the event of fire and have a sharp collapse of the mold. Urethane foam-modified PIR panels increase flame retardant performance by increasing the isocyanate component, but production of thick panels is difficult due to the difficulty of manufacturing technology. While glass wool is excellent in fire resistance, it is very likely to be inhaled in the worker's body when manufacturing at the workplace, which indicates a serious health and safety risk. There is this. On the other hand, the foamed polystyrene block is inexpensive, and due to its excellent heat insulation, water resistance, light weight, etc., it is used in large quantities as a heat insulating material for sandwich panels such as exterior materials and outdoor structures in buildings. However, foamed polystyrene is thermally decomposed at 250 to 300 ° C in case of fire, and forms deformation. When ignition occurs, oxygen is consumed in large quantities and is burned in an instant. Therefore, incomplete combustion is likely to occur, resulting in high risk of asphyxiation due to carbon monoxide. Looking at the conventional technology for the flame retardant of the insulation panel as described above, there are largely two types, such as the method of flame-retardant coating of the primary foam beads and the method of mixing the flame-retardant composition by grinding the expanded polystyrene block to a size of several mm size and press molding. Can be divided into:
1차 발포 비즈를 난연코팅하는 방식으로서 붕산계 무기물, 열경화성수지 등을 주원료로 하는 난연제를 발포스티로폴 입자 표면에 난연 처리하는 방식의 제조 방법이 개발(일본 특3163282호)되고 있다. 이 방법에 의해 제조된 난연발포스티로폴은 높은 내열성을 확보하고는 있지만, 첨가 성분인 열경화성수지의 연소에 따른 불쾌한 연소가스의 발생 문제와 함께 1차 발포 비즈의 코팅처리에 따른 제조 방법 상 새로운 설비의 투자가 요구되어 가격 상승에 따른 보급화에 문제점이 있다. As a method of flame-retardant coating of primary foamed beads, a production method of flame-retardant treatment of a flame retardant containing boric acid-based inorganic material, thermosetting resin, etc. as a main raw material on the surface of foamed styropol particles has been developed (Japanese Patent No. 3328262). The flame retardant foamed styropol prepared by this method has high heat resistance, but with the problem of generation of unpleasant combustion gas due to the combustion of the thermosetting resin as an additive component, the new process of the production process by coating the primary foam beads As investment is required, there is a problem in popularization due to the price increase.
발포폴리스티렌블록의 분쇄와 난연조성물혼합에 의한 가압성형 방식으로는, 대한민국 공개특허공보 2004-0033139의 "난연 발포 폴리스티렌 보온재를 이용한 샌드위치 판넬 및 그 제조방법"이 있는데, 붕산계무기물, 규산계무기물, 도자기 유약 등을 1차 발포비즈에 코팅하여 2차 발포 및 금형 성형에 의한 방식이며, 대한민국 공개특허공보 2003-0018763의 "난연 폴리스티렌 패널 및 그 제조방법"은 1차 발포비즈에 규산소다 등의 코팅을 하고 마이크로파 가열로 2차 발포를 하여 판넬을 성형하도록 하고 있다. 이들 방식은 그 해결방법에서 있어서 발포비즈의 코팅이라는 면에서 상기의 일본 특허 3163282호와 유사한 방식을 채택하고 있는데, 제조방법의 복잡화와 높은 제조 비용을 피할 수 없다는 점에서 동일한 문제점을 가지고 있다.As a press molding method by pulverizing the expanded polystyrene block and mixing the flame retardant composition, there is a "sandwich panel using a flame-retardant expanded polystyrene thermal insulation material and its manufacturing method" of the Republic of Korea Patent Publication No. 2004-0033139, boric acid-based inorganic materials, silicic acid-based inorganic materials, Porcelain glaze is coated on primary foaming beads to form secondary foaming and mold molding, and "flame-retardant polystyrene panel and its manufacturing method" of Korean Patent Laid-Open Publication No. 2003-0018763 is a coating of sodium silicate on primary foaming beads. And second foaming by microwave heating to form the panel. These methods adopt a method similar to the above-described Japanese Patent No. 3163282 in terms of the coating of foam beads in the solution, but has the same problem in that the complexity of the manufacturing method and the high manufacturing cost cannot be avoided.
본 발명은, 상기의 문제점을 해결하기 위한 것으로, 수용성 무기질 난연제 조성물의 제조법과, 본 발명의 조성물을 단열재 (발포폴리스티렌블록, 우레탄판넬 등)에 적용하여 난연처리하는 제조방법을, 기존 설비의 변경 없이 손쉽게 적용하여, 효율적인 단열재의 초 난연화를 최소 비용에 의해 실현시키는 제조방법에 관한 것이다.The present invention is to solve the above problems, the production method of water-soluble inorganic flame retardant composition, and the production method of applying the composition of the present invention to a heat insulating material (foamed polystyrene block, urethane panel, etc.) flame-retardant, modification of existing equipment The present invention relates to a manufacturing method that can be easily applied without any cost and realizes ultra-inflammation of efficient insulation material at a minimum cost.
상기 목적을 달성하기 위해서, 본 발명은 고온에서 무기탄화층 피막의 단열층을 형성시키어 형상을 유지시키도록 하는 무기충진제와 함께, 화염에 반응하여 산소지수를 높여주고 불연가스를 발생하는연소억제제를 무기 바인더와 균일하게 혼합한 난연화 조성물을 개발하였으며, 이러한 난연화 조성물에 일정 간격의 핀홀을 형성시킨 발포스티로폴 블록을 스프레이 또는 함침에 의한 방법으로 단열재 표면 및 내부의 핀홀에까지 난연화 조성물이 흡수 코팅되도록 하는 제조방법을 고안하여, 고온 화염에 놓여진 경우 단열재의 표면과 내부에 유리상 피막이 격자처럼 형성되도록 함으로써 연소 억제만이 아닌 가열에 의한 형태 변형을 방지하도록 하는데 그 특징이 있다.In order to achieve the above object, the present invention is an inorganic inhibitor to form an insulating layer of the inorganic carbon coating layer at a high temperature to maintain the shape, to increase the oxygen index in response to the flame and to produce a non-combustible gas A flame retardant composition was uniformly mixed with a binder, and the flame retardant composition was absorbed and coated on the surface of the insulating material and the pinholes by spraying or impregnating a foamed styropol block in which pinholes with a predetermined interval were formed in the flame retardant composition. By devising a manufacturing method, it is characterized in that the glass-like coating is formed on the surface and inside of the heat insulating material as a lattice when placed in a high temperature flame to prevent the deformation of the form by heating as well as suppressing combustion.
상기 목적을 달성하기 위한 본 발명은, 규산염, 조성물 피막의 기능성 향상제, 무기 충진물, 연소억제제, 기타 첨가제로 구성된 난연조성물의 제조방법과, 본 난연조성물을 단열재에 적용하는 단계에서 난연성을 극대화시키어 연소에 의한 단열재의 형체 붕괴를 방지하도록 하는 제조공법으로서 단열재의 전 표면에 핀홀을 형성시키어 스프레이 코팅하거나 함침하는 새로운 방법의 제조법을 그 특징으로 하고 있다.In order to achieve the above object, the present invention provides a method for producing a flame retardant composition composed of a silicate, a functional enhancer of a composition film, an inorganic filler, a combustion inhibitor, and other additives, and maximizes the flame retardancy in applying the present flame retardant composition to an insulating material. As a manufacturing method for preventing the shape collapse of the heat insulator by means of the present invention, a method of producing a new method of spray coating or impregnating a pinhole on the entire surface of the heat insulator is characterized.
본 발명에 의한 난연조성물의 제조방법에 대하여 설명한다.A method for producing a flame retardant composition according to the present invention will be described.
규산염은 규산나트륨, 규산리튬, 규산칼륨, 규산지르콘, 올소규산소다, 메타규산소다 중 하나 이상을 20~100 중량부 사용하는데, 특히 규산나트륨의 경우는 Na2O : SiO2가 1 : 3.2~3.4의 몰 비로 구성되는 것이 바람직하다. Silicate is used 20 to 100 parts by weight of at least one of sodium silicate, lithium silicate, potassium silicate, zirconium silicate, sodium oligosilicate, and sodium metasilicate, especially in the case of sodium silicate, Na 2 O: SiO 2 is 1: 3.2 ~ It is preferably composed of a molar ratio of 3.4.
난연성조성물 피막의 기능성 향상제로서 규산칼슘 (CaSiO3), 이규산칼슘(CaSi2O5), 산화칼슘(CaO) 중 어느 하나 이상을 12~70 중량부 사용한다. 규산칼슘과 이규산칼슘은 약 30분 정도의 가시반응을 거쳐 13~15시간에 반응을 완결하여 규산염중합체를 형성하는데, 규산염 내의 수분은 중합분자 내에 결정수로서 포함되어 불용성 조성물로 된다. 산화칼슘은 규산염에 대하여 산화반응이 일어나 SiO2와 H2O의 치환반응 (CaOㆍH2O + Na2OㆍSiO2 → CaOㆍSiO2 + NaOH + H2O)이 일어나 순간적으로 경화되며 규산염 내의 H2O는 유리 수분이 되면서 불용성을 가지게 된다. 난연성조성물 피막의 물리적 특성을 개선하기 위하여 열가소성 폴리우레탄(TPU)을 8~40 중량부 사용할 수 있는데, 구체적으로 난연 피막의 내마모성, 기계적 강도, 신축성, 방진 및 소음효과를 향상시킬 수가 있으며 저온에서도 유연성을 유지할 수가 있다. 그리고, 균일한 피막형성을 위하여 알킬나프탈렌설포네이트, 소듐디알킬설포석시네이트 등의 계면활성제를 0.05~2.0 중량부를 첨가하여 사용한다. 12 to 70 parts by weight of at least one of calcium silicate (CaSiO 3 ), calcium disilicate (CaSi 2 O 5 ) and calcium oxide (CaO) is used as a functional enhancer of the flame retardant composition film. Calcium silicate and calcium silicate complete the reaction in about 13 to 15 hours through a visible reaction of about 30 minutes to form a silicate polymer. Water in the silicate is included as crystallized water in the polymerization molecule to form an insoluble composition. Calcium oxide is oxidized to silicate, and the substitution reaction of SiO 2 and H 2 O occurs (CaO.H 2 O + Na 2 O.SiO 2 → CaO · SiO 2 + NaOH + H 2 O). H 2 O in the silicate becomes free moisture and becomes insoluble. 8 to 40 parts by weight of thermoplastic polyurethane (TPU) may be used to improve the physical properties of the flame retardant composition coating. Specifically, the wear resistance, mechanical strength, elasticity, dustproofing and noise effects of the flame retardant coating can be improved, and flexibility is possible even at low temperatures. Can be maintained. In addition, 0.05 to 2.0 parts by weight of a surfactant such as alkylnaphthalenesulfonate and sodium dialkylsulfosuccinate are added and used for uniform film formation.
무기 충진물로는 내연성 점토인 이산화규소, 세피오라이트, 산화티탄, 산화알루미나, 세라믹분말, 규석, 질화규소, 탄소섬유, 탄화규소, 규조토, 운모분, 팽창질석, 활석 중 어느 하나 이상을 3~30 중량부 사용한다. 상기 무기충진물은 고온에서의 난연피막을 형성시키며 열적 차단 능력을 높임과 동시에 피막의 기계적 강도를 향상시키어 발포폴리스티렌의 형상 붕괴를 억제하게 하는 기능을 갖게 한다. 이러한 무기충진물의 균일 혼합을 촉진시키기 위하여 펜타에리스리톨, 메틸셀루로오스 중 하나 이상을 0.3~8 중량부 사용한다.Inorganic fillers include 3 to 30 parts by weight of at least one of flame retardant clays such as silicon dioxide, sepiolite, titanium oxide, alumina oxide, ceramic powder, silica, silicon nitride, carbon fiber, silicon carbide, diatomaceous earth, mica powder, expanded vermiculite and talc. use. The inorganic fillers have a function of forming a flame retardant coating at a high temperature and improving thermal barrier ability and at the same time improving the mechanical strength of the coating to suppress the collapse of the expanded polystyrene. 0.3 to 8 parts by weight of at least one of pentaerythritol and methylcellulose is used to promote uniform mixing of such inorganic fillers.
연소억제제는 무기불연제의 난연성능을 더욱 향상시키기 위한 보조제로서 사용할 수 있으며, 붕산, 수산화알미늄, 수산화마그네슘, 폴리인산암모늄, 폴리인산멜라민, 인산, 인산암모늄 중 하나 이상을 5~30 중량부 사용한다.Combustion inhibitors can be used as an adjuvant to further improve the flame retardant performance of the inorganic flame retardant, and 5 to 30 parts by weight of one or more of boric acid, aluminum hydroxide, magnesium hydroxide, polyammonium phosphate, melamine phosphate, phosphoric acid and ammonium phosphate do.
기타 첨가제로서 착색의 필요성이 있는 경우, 무기안료로서 투명성 백색안료 (실리카백, 알루미나백, 백토, 탄산칼슘), 백색안료(산화아연, 산화티탄, 연백), 적색안료(산화철, 벵갈라, 버밀리온, 카드뮴레드), 황색안료(황연, 황토, 카드뮴옐로우), 녹색안료(에메랄드녹, 산화동, 산화크롬녹), 청색안료(프러시안블루, 코발트청), 자색안료(망간자), 흑색안료(카본블랙, 철흑) 등의 금속산화물계의 무기계착색제를 난연조성물 100 중량부에 대하여 0.1~20 중량부가 사용 가능하다.If there is a need for coloring as other additives, transparent white pigments (silica bag, alumina bag, clay, calcium carbonate), white pigments (zinc oxide, titanium oxide, lead white), red pigments (iron oxide, bengal, vermilion, Cadmium red), yellow pigment (sulphur, ocher, cadmium yellow), green pigment (emerald rust, copper oxide, chromium oxide), blue pigment (Prussian blue, cobalt blue), purple pigment (manganese), black pigment (carbon 0.1-20 parts by weight of the inorganic oxide colorant such as black and iron black) may be used based on 100 parts by weight of the flame retardant composition.
이하 본 발명에 의한 난연성 조성물을 발포폴리스티렌블록에 적용하는 경우를 예로서 그 제조방법에 대하여 설명한다.Hereinafter, a method of applying the flame retardant composition according to the present invention to the expanded polystyrene block will be described as an example.
도 1은 본 발명에 따른 난연조성물을, 본 발명에서 고안한 핀홀 형성 발포폴리스티렌블록에 적용하여 코팅하는 제조공정의 개략도이며, 도 2는 발포폴리스티렌블록에 형성시키는 핀 홀의 상세 제원을 도시한 도면이다. 도 1에 나타낸 것과 같이, 본 발명에 따른 난연성 조성물을 실제의 발포폴리스티렌블록 성형체(1)에 적용하는 경우, 먼저 열선(2)에 의해 일정한 크기로 가공된 발포폴리스티렌블록(3)에 대하여 일정 깊이 및 간격의 핀홀(4)을 형성시킨다. 이렇게 핀홀(4)을 발포폴리스티렌블록(3) 전 표면에 형성시킨 후, 난연조성물 내에 함침시키거나 스프레이방식을 사용하여 난연조성물을 코팅하여 24시간 동안 충분히 건조시킨다. 상기 핀홀(4)의 상세 제원은 도 2와 같다. 핀 홀 간격(7)은 1.0∼10.0mm (최적 2∼5mm), 핀 직경(8)은 0.2∼3.0 mm (최적 0.5∼1.5mm), 핀 홀의 깊이(9)는 3.0∼20 mm (최적 5∼10 mm)이다. 단, 핀 홀의 깊이는 3.0∼20 mm에 한하지 않고, 발포폴리스티렌블록을 관통시켜 사용할 수도 있다. 이와 같은 핀홀 형성의 제조방법을 적용하여 얻어지는 난연효과를 설명한다. 도 3은 난연피복된 발포폴리스티렌블록의 단면도를 나타낸 것이다. 발포폴리스티렌(3)의 표면에 형성된 난연조성물 피막(10)은 발포폴리스티렌 표면만이 아니고 핀홀(4) 내부에까지 형성되어, 화염 등의 고온 환경에서 핀홀 내부(4)의 유리상 피막이 기둥 역할을 하여 단열체 표면의 형체 붕괴를 방지하며, 또한 난연피복 하층의 발포폴리스티렌(3) 표면 일부가 용융되더라도 핀홀 내부의 유리상 피막이 최 상부 표면의 유리상 피막을 떠 바쳐주어 일정 간격의 공기 단열층을 형성시켜 주기 때문에 열적 전달을 효과적으로 차단하는 역할을 한다. 이하 본 발명의 실시 예는 본 발명의 일부를 보다 상세히 설명하고자 하는 것으로, 본 발명의 내용이 이하의 실시 예에 한정된 것은 아니다.1 is a schematic diagram of a manufacturing process for coating the flame retardant composition according to the present invention by applying to the pinhole-forming expanded polystyrene block devised in the present invention, Figure 2 is a view showing the detailed specifications of the pinhole to be formed in the expanded polystyrene block . As shown in FIG. 1, when the flame retardant composition according to the present invention is applied to an actual expanded polystyrene block molded
<비교예 1>Comparative Example 1
규산나트륨 70중량부, 폴리인산암모늄 4중량부, 붕산 4중량부, 펜타에리스톨 3중량부, 계면활성제 0.5 중량부를 30분 이상 균일하게 교반하여 만든 조성물 내에 핀홀 형성이 없는 발포폴리스티렌블록을 약 2초간 함침시켜 24시간 동안 자연건조시켰다. (도 4의 2번 샘플)About 70 parts by weight of sodium silicate, 4 parts by weight of ammonium polyphosphate, 4 parts by weight of boric acid, 3 parts by weight of pentaerythritol, and 0.5 parts by weight of a surfactant were uniformly stirred for at least 30 minutes. Impregnation for seconds allowed to dry for 24 hours. (
도 4는 일반 발포스티로폴블록 (도4의 1번 샘플) 및 상기 비교예 1을 적용한 2번 샘플에 대하여 약 1200℃의 가스 토치를 사용하여 수평가열에 의한 연소실험 결과이다. 종래의 일반 발포스티로폴블록(도 3의1)은 가열과 함께 수 초 이내에 용융되어 형체가 없어지는 결과를 볼 수 있었다. 상기 비교예 1을 적용한 2번 샘플의 경우는, 화염 제거 시에 연소 지속이 일어나지 않고 급히 소염은 되나, 가열 후 1분 정도 경과 된 시점에서 가열면이 많이 붕괴되고 있다. FIG. 4 is a combustion test result by horizontal heating using a gas torch of about 1200 ° C. for a general foamed styropol block (
<실시예 1><Example 1>
규산나트륨 70중량부, 폴리인산암모늄 4중량부, 붕산 4중량부, 펜타에리스톨 3중량부, 계면활성제 0.5 중량부, 산화동 0.2 중량부를 30분 이상 균일하게 교반하여 만든 조성물을 전면에 핀홀(간격 3mm, 직경 1mm, 깊이 10mm)을 형성시킨 발포폴리스티렌블록을 약 2초간 함침시켜 24시간 동안 자연 건조시켰다. (도 4의 3번 샘플)70 parts by weight of sodium silicate, 4 parts by weight of ammonium polyphosphate, 4 parts by weight of boric acid, 3 parts by weight of pentaerythritol, 0.5 parts by weight of surfactant, and 0.2 parts by weight of copper oxide were uniformly stirred for at least 30 minutes. 3 mm, 1 mm in diameter, 10 mm deep) was formed by impregnating the expanded polystyrene block for about 2 seconds and allowed to dry for 24 hours. (
도 4의 3번 샘플은 상기 실시예 1에 대하여 약 1200℃의 가스 토치를 사용하여 수평가열에 의한 연소실험 결과로서, 가열 후 2분 정도 경과 된 시점에 가열면이 2~3 mm 정도 붕괴되고는 있지만 그 후 10분 이상의 가열에도 더 이상의 형체 붕괴가 일어나지 않았으며 흑연의 발생도 없었다. 이러한 결과는 상기의 비교예 1에 비하여 극적인 난연성능 개선이 이루어진 결과이다.
<실시예 2><Example 2>
규산나트륨 70중량부, 폴리인산암모늄 4중량부, 붕산 4중량부, 펜타에리스톨 3중량부, 계면활성제 0.5 중량부, 팽창질석 5 중량부를30분 이상 균일하게 교반하여 만든 조성물을 전면에 핀홀(간격 3mm, 내경 1mm, 깊이 10mm)을 형성시킨 발포폴리스티렌블록을 약 2초간 함침시켜 24시간 동안 자연건조시켰다.70 parts by weight of sodium silicate, 4 parts by weight of ammonium polyphosphate, 4 parts by weight of boric acid, 3 parts by weight of pentaerythritol, 0.5 parts by weight of surfactant, and 5 parts by weight of expanded vermiculite were uniformly stirred for at least 30 minutes. An expanded polystyrene block having a thickness of 3 mm, an inner diameter of 1 mm, and a depth of 10 mm) was impregnated for about 2 seconds, and dried naturally for 24 hours.
상기의 실시예 1의 실험결과와 같이, 발포폴리스티렌이 용융이 거의 없어 형체의 붕괴도 매우 적었고 흑연의 발생도 없었다.As in the experimental results of Example 1, the foamed polystyrene had almost no melting, so the collapse of the molded body was very small, and no graphite was generated.
<실시예 3><Example 3>
규산나트륨 60중량부, 폴리인산암모늄 3중량부, 붕산 4중량부, 펜타에리스톨 3중량부, 수산화알미늄 5 중량부, 산화티탄 3 중량부, 계면활성제 0.5 중량부를 30분 이상 균일하게 교반하여 만든 조성물을 전면에 핀홀(간격 3mm, 내경 1mm, 깊이 10mm)을 형성시킨 발포폴리스티렌블록에 0.5mm 두께로 스프레이 코팅한 후 24시간 동안 자연 건조시켰다.60 parts by weight of sodium silicate, 3 parts by weight of ammonium polyphosphate, 4 parts by weight of boric acid, 3 parts by weight of pentaerythritol, 5 parts by weight of aluminum hydroxide, 3 parts by weight of titanium oxide, and 0.5 parts by weight of surfactant are made by uniformly stirring for 30 minutes or more. The composition was spray-coated 0.5 mm thick on the foamed polystyrene block having a pinhole (interval 3mm, inner diameter 1mm, depth 10mm) on the front surface, and then naturally dried for 24 hours.
상기의 실시예 1의 실험결과와 같이, 발포폴리스티렌이 용융이 거의 없어 형체의 붕괴도 매우 적었고 흑연의 발생도 없었다. As in the experimental results of Example 1, the foamed polystyrene had almost no melting, so the collapse of the molded body was very small, and no graphite was generated.
<실시예 4><Example 4>
규산리륨 30중량부, 규산나트륨 30중량부, 폴리인산암모늄 3중량부, 붕산 4 중량 부, 펜타에리스톨 3중량부, 탄화규소 5 중량부, 계면활성제 0.5 중량부를 30분 이상 균일하게 교반하여 만든 조성물을 전면에 핀홀(간격 3mm, 내경 1mm, 깊이 10mm)을 형성시킨 발포폴리스티렌블록에 0.5mm 두께로 스프레이 코팅한 후 24시간 동안 자연 건조시켰다.30 parts by weight of lithium silicate, 30 parts by weight of sodium silicate, 3 parts by weight of ammonium polyphosphate, 4 parts by weight of boric acid, 3 parts by weight of pentaerythritol, 5 parts by weight of silicon carbide, and 0.5 parts by weight of surfactant are made by stirring uniformly for 30 minutes or more. The composition was spray-coated 0.5 mm thick on the foamed polystyrene block having a pinhole (interval 3mm, inner diameter 1mm, depth 10mm) on the front surface, and then naturally dried for 24 hours.
상기의 실시예 1의 실험결과와 같이, 발포폴리스티렌이 용융이 거의 없어 형체의 붕괴도 매우 적었고 흑연의 발생도 없었다.As in the experimental results of Example 1, the foamed polystyrene had almost no melting, so the collapse of the molded body was very small, and no graphite was generated.
<실시예 5>Example 5
규산리륨 30중량부, 규산나트륨 30중량부, 폴리인산암모늄 3중량부, 붕산 4 중량 부, 펜타에리스톨 3중량부, 탄화규소 5 중량부, 계면활성제 0.5 중량부를30분 이상 균일하게 교반하여 만든 조성물을 전면에 핀홀(간격 3mm, 내경 1mm, 깊이 10mm)을 형성시킨 발포폴리스티렌블록에 0.5mm 두께로 스프레이 코팅한 후 24시간 동안 자연 건조시켰다.30 parts by weight of lithium silicate, 30 parts by weight of sodium silicate, 3 parts by weight of ammonium polyphosphate, 4 parts by weight of boric acid, 3 parts by weight of pentaerythritol, 5 parts by weight of silicon carbide, and 0.5 parts by weight of surfactant are made by stirring for at least 30 minutes. The composition was spray-coated 0.5 mm thick on the foamed polystyrene block having a pinhole (interval 3mm, inner diameter 1mm, depth 10mm) on the front surface, and then naturally dried for 24 hours.
상기의 실시예 1의 실험결과와 같이, 발포폴리스티렌이 용융이 거의 없어 형체의 붕괴도 매우 적었고 흑연의 발생도 없었다.As in the experimental results of Example 1, the foamed polystyrene had almost no melting, so the collapse of the molded body was very small, and no graphite was generated.
<실시예 6><Example 6>
규산나트륨 80중량부, 규산칼슘 25중량부, 폴리인산암모늄 8중량부, 산화알루미나 8중량부, 수산화마그네슘 10중량부, 펜타에리스톨 4중량부, 계면활성제 0.8 중량부를 30분 이상균일하게 교반하여 만든 조성물을 전면에 핀홀(간격 4mm, 내경 1mm, 깊이 5mm)을 형성시킨 발포폴리스티렌블록을 약 2초간 함침시켜 24시간 동안 자연건조시켰다.80 parts by weight of sodium silicate, 25 parts by weight of calcium silicate, 8 parts by weight of ammonium polyphosphate, 8 parts by weight of alumina oxide, 10 parts by weight of magnesium hydroxide, 4 parts by weight of pentaerythritol, and 0.8 parts by weight of a surfactant, uniformly stirred for 30 minutes or more. The resulting composition was impregnated with a foamed polystyrene block having a pinhole (interval of 4 mm, inner diameter of 1 mm, depth of 5 mm) on the front for about 2 seconds, and air dried for 24 hours.
상기의 실시예 1의 실험결과와 같이, 발포폴리스티렌이 용융이 거의 없어 형체의 붕괴도 매우 적었고 흑연의 발생도 없었다. 또한, 상온의 물에 120시간 동안 침전시킨 후 완전 건조 시킨 후, 내수성 실험 전 후의 샘플 무게를 조사한 결과 양 자의 무게 차이가 거의 없는 것으로 나타나 내수성이 우수한 것으로 판단되었다.As in the experimental results of Example 1, the foamed polystyrene had almost no melting, so the collapse of the molded body was very small, and no graphite was generated. In addition, after precipitation for 120 hours in water at room temperature and completely dried, the weight of the sample before and after the water resistance test showed little difference in the weight of the quantum was judged to be excellent in water resistance.
<실시예 7><Example 7>
규산나트륨 60중량부, 이규산칼슘 15중량부, 폴리인산암모늄 6중량부, 붕산 7중량부, 펜타에리스톨 5중량부, 계면활성제 0.5 중량부를 30분 이상 균일하게 교반하여 만든 조성물을 전면에 핀홀(간격 4mm, 내경 1mm, 깊이 5mm)을 형성시킨 발포폴리스티렌블록에 스프레이하여 24시간 동안 자연건조시켰다.60 parts by weight of sodium silicate, 15 parts by weight of calcium disilicate, 6 parts by weight of polyammonium phosphate, 7 parts by weight of boric acid, 5 parts by weight of pentaerythritol, and 0.5 parts by weight of surfactant were uniformly stirred for at least 30 minutes. (Spray 4mm, inner diameter 1mm, depth 5mm) was sprayed on a foamed polystyrene block was formed to dry for 24 hours.
상기의 실시예 1의 실험결과와 같이, 발포폴리스티렌이 용융이 거의 없어 형체의 붕괴도 매우 적었고 흑연의 발생도 없었다. 또한, 상온의 물에 120시간 동안 침전시킨 후 완전 건조 시킨 후, 내수성 실험 전 후의 샘플 무게를 조사한 결과 양 자의 무게 차이가 거의 없는 것으로 나타나 내수성이 우수한 것으로 판단되었다.As in the experimental results of Example 1, the foamed polystyrene had almost no melting, so the collapse of the molded body was very small, and no graphite was generated. In addition, after precipitation for 120 hours in water at room temperature and completely dried, the weight of the sample before and after the water resistance test showed little difference in the weight of the quantum was judged to be excellent in water resistance.
이상과 같이 본 발명은 단열재의 난연화에 효과적인 난연성 조성물의 제조방법과, 난연성 조성물의 난연효과를 배증하기 위한 단열재에의 적용방법으로서 핀 홀 형성에 의한 코팅방법의 제조방법을 제공하는 것으로서, 매우 높은 난연효과를 실험적으로 확인하였다.As described above, the present invention provides a method for producing a flame retardant composition effective for flame retardation of a heat insulating material, and a method for producing a coating method by forming a pinhole as an application method for heat insulating material for doubling the flame retardant effect of the flame retardant composition. The high flame retardant effect was confirmed experimentally.
이상과 같이 본 발명의 난연 조성물과 그 제조방법은, 발포폴리스티렌블록과 우레탄 판넬과 같은 단열재에 대해서 뛰어난 난연성과 형상 붕괴억제 능력을 가지고 있지만, 활용법이 이러한 적용 예에 한정된 것은 아니다. 또한, 본 발명에 의한 제조방법을 발포폴리스티렌 샌드위치 파넬에 적용하는 경우, 발포폴리스티렌 심재의 저온 열분해에 따른 급격한 화재 확대를 방지할 수 있으며, 발포폴리스티렌의 용융에 따른 형상 붕괴를 효과적으로 방지할 수 있다. As mentioned above, although the flame-retardant composition of this invention and its manufacturing method have the outstanding flame retardance and shape collapse suppression ability with respect to heat insulating materials, such as a polystyrene foam block and a urethane panel, a utilization method is not limited to these application examples. In addition, when the manufacturing method according to the present invention is applied to the expanded polystyrene sandwich panel, it is possible to prevent the rapid expansion of fire due to low-temperature thermal decomposition of the expanded polystyrene core material, it is possible to effectively prevent the shape collapse due to melting of the expanded polystyrene.
본 발명은 발포폴리스티렌블록의 최종 단계 제조공정 또는 샌드위치 패널의 공정에서 스프레이 또는 함침 등의 방법으로 간단하게 피복할 수 있기 때문에, 안전하고 시공성이 뛰어나며 설비투자 등의 비용이 절감되며, 본 발명인 난연 조성물이 수용성이기 때문에 유기 용제를 사용하지 않아 유독성 가스나 분진 등의 발생이 없으므로 인체에 무해하고 오염원을 생성하지 않는 특징이 있다. The present invention can be easily coated by a method such as spraying or impregnation in the final step of the expanded polystyrene block manufacturing process or the process of sandwich panels, it is safe and excellent in construction, and the cost of equipment investment is reduced, the flame retardant composition of the present invention Because it is water-soluble, it does not generate toxic gas or dust because it does not use organic solvents, so it is harmless to humans and does not generate pollutants.
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| WO2009011533A2 (en) * | 2007-07-16 | 2009-01-22 | Uray Co,. Ltd. | Adiabatic material comprising expanded perlite and polyurethane and method of preparing the same and construction meterials comprising the adiabatic material |
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| WO2009011533A2 (en) * | 2007-07-16 | 2009-01-22 | Uray Co,. Ltd. | Adiabatic material comprising expanded perlite and polyurethane and method of preparing the same and construction meterials comprising the adiabatic material |
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