KR20140143656A - Composition for inorganic coating and method for producing thereof - Google Patents
Composition for inorganic coating and method for producing thereof Download PDFInfo
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- KR20140143656A KR20140143656A KR1020130065529A KR20130065529A KR20140143656A KR 20140143656 A KR20140143656 A KR 20140143656A KR 1020130065529 A KR1020130065529 A KR 1020130065529A KR 20130065529 A KR20130065529 A KR 20130065529A KR 20140143656 A KR20140143656 A KR 20140143656A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
- C09D1/04—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/80—Processes for incorporating ingredients
Abstract
Description
본 발명은 무기 코팅 조성물 및 이의 제조 방법에 관한 것이다.The present invention relates to an inorganic coating composition and a method for producing the same.
코팅은 피코팅체 자체를 보호하기 위하여 또는 피코팅체가 갖지 못하는 성질을 보완하기 위하여 수행되어 왔다. 코팅을 통하여 그 목적에 따라 내화성, 내부식성, 내수성, 방염성, 내마모성 또는 비산 방지와 같은 효과를 얻을 수 있다.Coating has been carried out in order to protect the coated body itself or to compensate for the properties that the coated body does not have. The coating can provide effects such as fire resistance, corrosion resistance, water resistance, flame retardancy, abrasion resistance or scattering prevention according to the purpose.
다수의 방염 및 비산 방지 코팅제가 공지되어 있으나, 공지의 방염 및 비산 방지 코팅제는 백화현상이 발생하거나 내수성이 약해 물에 풀리는 성향을 보여 다습한 조건에서는 코팅이 장기간 유지되지 못하는 문제가 있었다.Although many flame retardant and anti-scattering coating agents are known, the known flame retardant and anti-scattering coating agents have a tendency to bleach or have a low water resistance and tend to be solved in water.
본 발명은 종래 코팅제에 비하여 백화 현상을 완화시키고 내수성을 증진시킨 방염 및 비산 방지 효과가 있는 코팅 조성물을 제공하는 것을 목적으로 한다.Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to provide a coating composition having a flame retarding and anti-scattering effect.
본 발명은 규산염, 규산졸, 규산소다, 흡습제, 수산화 알루미늄 및 산화 알루미나를 포함하는 코팅 조성물에 관한 것이다. 본 발명의 일 실시예에 있어서, 상기 코팅 조성물은 방염 및 비산방지 효과가 있다.The present invention relates to a coating composition comprising silicates, silicate sol, sodium silicate, a moisture absorber, aluminum hydroxide and alumina oxide. In one embodiment of the present invention, the coating composition has flame retardant and anti-scattering effects.
본 발명의 일 구체예에서는 규산염, 규산졸, 규산소다, 흡습제, 수산화 알루미늄 및 산화 알루미나를 60℃ 내지 80℃에서 교반하는 단계를 포함하는 코팅 조성물의 제조 방법을 제공한다.
In one embodiment of the present invention, there is provided a process for preparing a coating composition comprising the step of stirring silicate, silicate sol, sodium silicate, a moisture absorber, aluminum hydroxide and alumina oxide at 60 ° C to 80 ° C.
본 발명에서 사용하는 용어 ‘규산염’(silicate)은 이산화규소 (SiO2) 및 금속 산화물로 된 염을 의미하며, 본 발명의 일 실시예에 따른 코팅 조성물에 규산염을 사용함으로써 백화 현상을 감소시킬 수 있고, SiO2의 함량을 증진시켜 내화 기능을 향상시킬 수 있다. 본 발명의 일 실시예에서 규산염은 전체 조성물 100 중량부에 대하여 76 내지 85 중량부 포함되고, 본 발명의 다른 실시예에서는 77 내지 82 중량부 포함되며, 본 발명의 또 다른 실시예에서는 79 중량부가 포함된다. 그러나 규산염을 76 중량부 미만으로 사용한 경우에는 백화 현상이 나타나게 된다. The term " silicate " as used herein refers to a salt of silicon dioxide (SiO 2 ) and a metal oxide. By using silicate in the coating composition according to one embodiment of the present invention, And the refractory function can be improved by increasing the content of SiO 2 . In one embodiment of the present invention, silicate is contained in an amount of 76 to 85 parts by weight based on 100 parts by weight of the total composition, 77 to 82 parts by weight in another embodiment of the present invention, and 79 parts by weight in another embodiment of the present invention . However, when the silicate is used in an amount of less than 76 parts by weight, whitening occurs.
규산 염은 예로는 규산 나트륨 (Na2SiO2), 규산 칼륨 (K2SiO2), 규산 마그네슘 (MgO:XSiO2, X는 상수) 및 규산 칼슘 (Ca2SiO4)을 포함하나, 이에 제한되는 것은 아니다. 본 발명의 일 실시예에서 규산염은 규산 칼슘이다.
Silicate salts are examples of sodium silicate (Na 2 SiO 2), potassium silicate (K 2 SiO 2), magnesium silicate: one including (MgO XSiO 2, X is a constant) and calcium silicate (Ca 2 SiO 4), limited to It is not. In one embodiment of the invention, the silicate is calcium silicate.
본 발명에서 사용하는 용어 ‘규산 소다’는 Na2SiO2·nH2O 또는 Na2O-nSiO2-xH2O 로 표시되고, 수용성 규산염 중 하나이며, 물에 대한 용해성이 있기 때문에 물유리로 불리기도 한다. 본 발명의 일 실시예에 따른 코팅 조성물에 규산 소다를 사용함으로써 무기물 간에 결합을 증진시켜 내수성을 향상시킬 수 있고, 증점 효과 및 바인다 상승 효과를 얻을 수 있다. 본 발명의 일 실시 예에서 규산 소다는 전체 조성물 100 중량부에 대하여 1 내지 6 중량부 포함되고, 본 발명의 다른 실시예에서는 3 내지 6 중량부 포함되며, 본 발명의 또 다른 실시예에서는 5 중량부가 포함된다. 다만 규산 소다를 6 중량부를 초과하여 사용하는 경우에 내화성은 증진되지만 내수성은 감소된다.
Is represented by the term "water glass" is Na 2 SiO 2 · nH 2 O or Na 2 O-nSiO 2 -xH 2 O used in the present invention, is one of the water-soluble silicate, known as water glass, because the solubility in water Also. By using sodium silicate in the coating composition according to one embodiment of the present invention, it is possible to improve the water resistance by enhancing the bonding between the inorganic materials, and the thickening effect and the synergistic effect can be obtained. In one embodiment of the present invention, sodium silicate is contained in an amount of 1 to 6 parts by weight based on 100 parts by weight of the total composition and 3 to 6 parts by weight in another embodiment of the present invention. In another embodiment of the present invention, Included. However, when sodium silicate is used in excess of 6 parts by weight, the fire resistance is improved but the water resistance is reduced.
본 발명에서 사용하는 용어 ‘규산졸’은 콜로이드성 실리카(SiO2) 를 의미하고, 본 발명의 일 실시예에 따른 코팅 조성물에 규산졸을 포함시킴으로써 상기 규산 칼륨에서와 같이 SiO2 함량을 증가시켜 내화 기능을 강화시킬 수 있다. 본 발명의 일 실시예에서 규산졸은 전체 조성물 100 중량부에 대하여 1 내지 3 중량부 포함되고, 본 발명의 다른 실시예에서는 2 중량부가 포함된다.
The term "silica sol" used in the present invention refers to the colloidal silica (SiO 2), and to increase the SiO 2 content, as in the potassium silicate by including silica sol in the coating composition according to one embodiment of the present invention It is possible to strengthen the fire resistance function. In one embodiment of the present invention, the silicate sol is contained in an amount of 1 to 3 parts by weight based on 100 parts by weight of the total composition, and 2 parts by weight in another embodiment of the present invention.
본 발명에서 사용하는 용어 ‘흡습제’는 공기 중의 습기를 빨아들이는 물질을 의미하고, 이런 물질을 흡습성이 있다고 하며, 주변 환경의 물분자를 흡착함으로써 수행된다. 본 발명의 일 실시예에 따른 코팅 조성물에 흡습제 사용함으로써 화학적 결합을 증대시키면서 맑은 액상을 유지하도록 하고 부착력을 높여 코팅이 잘 되도록 할 수 있다. 본 발명의 일 실시예에서 흡습제는 전체 조성물 100 중량부에 대하여 8 내지 11 중량부 포함되고, 본 발명의 다른 실시예에서는 9 내지 10 중량부 포함되며, 본 발명의 또 다른 실시예에서는 9 중량부가 포함된다. 흡습제를 5 중량부 미만으로 포함시키는 경우 부착력이 감소되고 침전물이 발견될 수 있다.The term 'hygroscopic agent' used in the present invention means a substance which absorbs moisture in the air, and is said to be hygroscopic and is carried out by adsorbing water molecules in the surrounding environment. By using a moisture absorbent in the coating composition according to an embodiment of the present invention, it is possible to maintain a clear liquid state while enhancing chemical bonding, and to improve the adhesion and improve the coating. In one embodiment of the present invention, the moisture absorbent is contained in an amount of 8 to 11 parts by weight based on 100 parts by weight of the total composition, 9 to 10 parts by weight in another embodiment of the present invention, and 9 parts by weight in another embodiment of the present invention . If less than 5 parts by weight of the moisture absorber is included, the adhesion may be reduced and a deposit may be found.
예를 들어 흡습제는 셀룰로오스 섬유를 포함하는 종이; 설탕; 카라멜; 꿀; 글리세린; 에탄올; 메탄올; 경유; 황산 및 메스암페타민; 염화 아연, 산화 아연, 염화 칼슘, 수산화 칼륨 및 수산화 나트륨을 포함하는 염; 및 나일론, ABS 수지, 폴리카보네이트 및 폴리수지를 포함하는 폴리머일 수 있으나, 이에 제한되는 것은 아니다. 본 발명의 일 실시예에서 흡습제는 글리세린이다.
For example, the moisture absorbent may be paper containing cellulosic fibers; Sugar; Caramel; honey; glycerin; ethanol; Methanol; Light oil; Sulfuric acid and methamphetamine; Salts containing zinc chloride, zinc oxide, calcium chloride, potassium hydroxide and sodium hydroxide; And polymers including nylons, ABS resins, polycarbonates, and poly resins. In one embodiment of the present invention, the desiccant is glycerin.
본 발명에서 사용하는 용어 ‘수산화 알루미늄’은 Al(OH)3로 표시되고 ATH (Aluminium hydroxide) 라고 하기도 한다. 본 발명의 일 실시예에서 수산화 알루미늄은 전체 조성물 100 중량부에 대하여 1 내지 3 중량부 포함되고, 본 발명의 다른 실시예에서는 2 중량부가 포함된다.
The term " aluminum hydroxide " used in the present invention is represented by Al (OH) 3 and may be referred to as ATH (aluminum hydroxide). In one embodiment of the present invention, aluminum hydroxide is contained in an amount of 1 to 3 parts by weight based on 100 parts by weight of the total composition and 2 parts by weight in another embodiment of the present invention.
본 발명에서 사용하는 용어 ‘산화 알루미나’는 Al2O3로 표시되는 화합물이다. 본 발명의 일 실시예에서 산화 알루미나는 전체 조성물 100 중량부에 대하여 2 내지 4 중량부 포함되고, 본 발명의 다른 실시예에서는 3 중량부가 포함된다.
The term " alumina oxide " used in the present invention is a compound represented by Al 2 O 3 . In one embodiment of the present invention, alumina oxide is contained in an amount of 2 to 4 parts by weight based on 100 parts by weight of the total composition, and 3 parts by weight in another embodiment of the present invention.
본 발명에서 사용하는 용어 ‘코팅’은 대상 물질이나 물건 등의 표면에 형성된 얇은 막을 의미한다.
The term " coating " used in the present invention means a thin film formed on the surface of a target substance or object.
본 발명에서 사용하는 용어 ‘방염’은 불에 타지 않게 하거나 불이 붙어 번지는 것을 막는 성질을 의미하고, 이러한 성징을 가지는 물질을 방염제라 한다. 방염제의 형태는 방염성이 있는 물질을 유기 또는 무기 용제에 용해한 액체 상태의 방염액 (Flame Retardant Liquid), 방염성이 있는 물질을 도료와 혼합한 방염도료 (Flame Retardant Paint) 및 방염성을 보유한 분말 또는 고체형태의 방염성물질 (Flame Retardant Materials) 일 수 있다.The term " flame retarding " used in the present invention means a property that prevents or prevents flame from spreading, and a substance having such a property is called flame retardant. Flame Retardant Liquid is a liquid flame retardant liquid in which a flame retardant substance is dissolved in an organic or inorganic solvent, Flame Retardant Paint mixed with a flame retardant substance and a flame retardant powder or solid form Of Flame Retardant Materials.
본 발명에 따른 코팅 조성물은 내수성 및 내화성을 모두 가지며 비산을 방지할 수 있는 효과가 있다.The coating composition according to the present invention has both water resistance and fire resistance and is effective in preventing scattering.
도 1 내지 도 3은 각각 본 발명의 제조예 1 내지 제조예 3에 따른 코팅 조성물을 이용하여 코팅한 건축자재용 펄라이트 보드를 상당 기간 동안 가습한 결과를 나타낸 사진이다.FIGS. 1 to 3 are photographs showing the results of humidification of a pearlite board for building material coated with the coating composition according to Production Examples 1 to 3 of the present invention for a substantial period of time.
이하, 본 발명의 구성요소와 기술적 특징을 다음의 실시예들을 통하여 보다 상세하게 설명하고자 한다. 그러나 하기 실시예들은 본 발명의 내용을 예시하는 것일 뿐 발명의 범위가 실시예에 의해 한정되는 것은 아니다.
Hereinafter, the components and technical features of the present invention will be described in more detail with reference to the following examples. However, the following examples are intended to illustrate the contents of the present invention and are not intended to limit the scope of the invention.
제조예Manufacturing example : 코팅 조성물의 제조: Preparation of Coating Composition
제조예Manufacturing example 1. One.
전체 조성물 100 중량부를 기준으로 규산칼륨 70 중량부, 규산졸 5 중량부, 규산소다 10 중량부, 글리세린 5 중량부, 수산화알루미늄 5 중량부 및 산화알루미나 5 중량부를 교반기에 순차로 투입하고 60℃ 내지 80℃에서 1시간 내지 2시간 동안 교반하였다.
70 parts by weight of potassium silicate, 5 parts by weight of silicate sol, 10 parts by weight of sodium silicate, 5 parts by weight of glycerin, 5 parts by weight of aluminum hydroxide and 5 parts by weight of alumina oxide were sequentially added to a stirrer, Followed by stirring at 80 DEG C for 1 hour to 2 hours.
제조예Manufacturing example 2. 2.
전체 조성물 100 중량부를 기준으로 규산칼륨 75 중량부, 규산졸 4 중량부, 규산소다 7 중량부, 글리세린 7 중량부, 수산화알루미늄 4 중량부 및 산화알루미나 3 중량부를 교반기에 순차로 투입하고 60℃ 내지 80℃에서 1시간 내지 2시간 동안 교반하였다.
75 parts by weight of potassium silicate, 4 parts by weight of silicate sol, 7 parts by weight of sodium silicate, 7 parts by weight of glycerin, 4 parts by weight of aluminum hydroxide and 3 parts by weight of alumina oxide were added to a total of 100 parts by weight of the total composition, Followed by stirring at 80 DEG C for 1 hour to 2 hours.
제조예Manufacturing example 3. 3.
전체 조성물 100 중량부를 기준으로 규산칼륨 79 중량부, 규산졸 2 중량부, 규산소다 5 중량부, 글리세린 9 중량부, 수산화알루미늄 2 중량부 및 산화알루미나 3 중량부를 교반기에 순차로 투입하고 60℃ 내지 80℃에서 1시간 내지 2시간 동안 교반하였다.
79 parts by weight of potassium silicate, 2 parts by weight of silicate sol, 5 parts by weight of sodium silicate, 9 parts by weight of glycerin, 2 parts by weight of aluminum hydroxide and 3 parts by weight of alumina oxide were added to the whole composition in an amount of 100 parts by weight, Followed by stirring at 80 DEG C for 1 hour to 2 hours.
(단위: %)
(unit: %)
실시예Example : 코팅 조성물의 : Coating composition 성능 시험Performance test
상기 제조예 1 내지 제조예 3에 따라 제조된 코팅 조성물을 건축자재용 펄라이트 보드에 통상의 방법으로 코팅하였으며, 코팅된 펄라이트 보드를 20일 내지 180일 동안 가습하며 상기 보드를 관찰하였다. The coating compositions prepared according to Preparation Examples 1 to 3 were coated on a pearlite board for building material by a conventional method, and the coated pearlite board was humidified for 20 to 180 days and the board was observed.
그 결과, 제조예 1에 따른 코팅 조성물로 코팅한 경우에는 가습한지 20일 만에 백화현상이 발생되어 하얀 가루가 생성되었고(도 1), 제조예 2에 따른 코팅 조성물로 코팅한 경우에는 가습한지 약 60일이 경과한 때에 약한 백화현상이 발생되었다(도 2). 반면 제조예 3에 따른 코팅 조성물로 코팅한 경우에는 가습을 시작한지 약 180일이 경과한 때에도 백화현상은 전혀 발생되지 않았고, 내수 효과 및 내화 효과가 유지됨을 확인할 수 있었다. 이는 제조예 3에 따른 코팅 조성물을 이용하여 코팅한 경우에는 다습한 조건에서도 코팅제가 안정적으로 유지될 수 있음을 보여준다.As a result, in the case of coating with the coating composition according to Preparation Example 1, whitening occurred in 20 days after being humidified to produce white powder (FIG. 1), and in the case of coating with the coating composition according to Preparation Example 2, A weak whitening occurred after about 60 days (Fig. 2). On the other hand, in the case of coating with the coating composition according to Production Example 3, whitening phenomenon did not occur at all even after about 180 days from the start of the humidification, and it was confirmed that the waterproofing effect and the fireproofing effect were maintained. This shows that the coating agent can be stably retained even in a humid condition when the coating composition according to Production Example 3 is used.
Claims (10)
전체 조성물 100 중량부에 대하여,
상기 규산염 76 내지 85 중량부,
상기 규산졸 1 내지 3 중량부,
상기 규산소다 1 내지 6 중량부,
상기 흡습제 8 내지 11 중량부,
상기 수산화 알루미늄 1 내지 3 중량부 및
상기 산화 알루미나 2 내지 4 중량부를 포함하는 것을 특징으로 하는 코팅 조성물.The method according to claim 1,
With respect to 100 parts by weight of the total composition,
76 to 85 parts by weight of the silicate,
1 to 3 parts by weight of the silicate sol,
1 to 6 parts by weight of the sodium silicate,
8 to 11 parts by weight of the above-
1 to 3 parts by weight of the aluminum hydroxide and
And 2 to 4 parts by weight of the alumina oxide.
상기 코팅 조성물은 방염 및 비산방지 효과가 있는 것을 특징으로 하는 코팅 조성물.The method according to claim 1,
Wherein the coating composition has flame retardant and anti-scattering effects.
상기 규산염은 규산 칼륨인 것을 특징으로 하는 코팅 조성물.The method according to claim 1,
Wherein the silicate is potassium silicate.
상기 흡습제는 글리세린인 것을 특징으로 하는 코팅 조성물.The method according to claim 1,
Wherein the moisture absorbent is glycerin.
전체 조성물 100 중량부에 대하여,
상기 규산염 76 내지 85 중량부,
상기 규산졸 1 내지 3 중량부,
상기 규산소다 1 내지 6 중량부,
상기 흡습제 8 내지 11 중량부,
상기 수산화 알루미늄 1 내지 3 중량부 및
상기 산화 알루미나 2 내지 4 중량부를 포함하는 것을 특징으로 하는 코팅 조성물의 제조 방법.The method according to claim 6,
With respect to 100 parts by weight of the total composition,
76 to 85 parts by weight of the silicate,
1 to 3 parts by weight of the silicate sol,
1 to 6 parts by weight of the sodium silicate,
8 to 11 parts by weight of the above-
1 to 3 parts by weight of the aluminum hydroxide and
And 2 to 4 parts by weight of the alumina oxide.
상기 코팅 조성물은 방염 및 비산방지 효과가 있는 것을 특징으로 하는 코팅 조성물의 제조 방법.The method according to claim 6,
Wherein the coating composition has flame retardant and anti-scattering effect.
상기 규산염은 규산 칼륨인 것을 특징으로 하는 코팅 조성물의 제조 방법.The method according to claim 6,
Wherein the silicate is potassium silicate.
상기 흡습제는 글리세린인 것을 특징으로 하는 코팅 조성물의 제조 방법.The method according to claim 6,
Wherein the moisture absorbent is glycerin.
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