KR890000446B1 - Anti-corrosive production - Google Patents

Anti-corrosive production Download PDF

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KR890000446B1
KR890000446B1 KR1019850005841A KR850005841A KR890000446B1 KR 890000446 B1 KR890000446 B1 KR 890000446B1 KR 1019850005841 A KR1019850005841 A KR 1019850005841A KR 850005841 A KR850005841 A KR 850005841A KR 890000446 B1 KR890000446 B1 KR 890000446B1
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weight ratio
iron
resin
rust
organic compound
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KR1019850005841A
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Korean (ko)
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KR870002215A (en
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양형칠
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윤수남
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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
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/08—Homopolymers or copolymers of acrylic acid esters
    • 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
    • C09D5/08—Anti-corrosive paints
    • 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
    • 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

Abstract

The compsn. for prepg. anti-crrosive agent comprises (i) as base emulsified-polymer resin 100 wt.% obtd. from polymg. styrene monomer and acrylic acid, (ii) polyhydroxylic phenols 0.5-20 wt.% i.e. chelating agents, which do not contain any fat, glucose, proteins, (iii) bismuth subgallate 0.1-5 wt.% and (iv) inorg. matters 0.1-30 wt.% composed of silica, alumina, SiC, borax, pigments.

Description

방청제 조성물Rust inhibitor composition

본 발명은 고분자 화합물을 철 표면에 도포하여 녹을 효율적으로 방지할 수 있는 방청제 조성물에 관한 것이다.The present invention relates to a rust preventive composition capable of effectively preventing rust by applying a polymer compound to an iron surface.

철 표면의 녹을 방지하는 방법으로서 간편하고 경제적으로 이용하는 방법은 철을 가열하여 액체 중에서 퀘칭(Quenching)하여 철의 표면에 산화피막을 조성케 하여 녹의 방지를 도모하는 방법과 도료를 철 표면에 도포하는 방법이 있는 바, 전자의 경우에는 고도의 숙련성과 기술상의 제한성은 물론 장기적이고도 근본적인 방청효과가 이루어지지 못하였고, 후자의 경우에는 지금까지 주로 수지를 기본 조성으로하고 광명단(Pb3O4)이나 산화철(Fe2O3)등을 첨가한 도료를 사용하여 왔으나, 납성분 등에 의한 공해문제와 산화철의 불철저한 방청으로 녹 방지에 근본적이고도 장기적인 내수성 방청효과를 기대하기 어려웠다.A simple and economic method to prevent rust on the iron surface is to heat iron and quench in liquid to form an oxide film on the iron surface to prevent rust and to apply paint to the iron surface. In the case of the former, there was no long-term and fundamental anti-corrosion effect as well as a high degree of skill and technical limitations. In the latter case, the resin is mainly composed of a basic composition and a photon pair (Pb 3 O 4 ). Although paints containing iron oxides (Fe 2 O 3 ) have been used, it is difficult to expect a fundamental and long-term water-resistant rust-preventing effect on the prevention of rust due to pollution problems caused by lead, etc., and poor rust prevention of iron oxides.

또한, 본 발명과 가장 가까운 종전의 기술로는 일본특허 소 52-87975호(1980년 2월 9일 공소 소 55-5784호)를 실례로 들어 볼 수 있는바, 이 기술은 탄닌산과 황산제2철을 사용한 것으로 수용성 도료이나, 철 표면에 도포하여 사용할 경우 탄닌산에 포함된 지방, 포도당, 단백질류 등에 의한 기포발생으로 인하여 철 표면에 오히려 녹 발생을 조장하는 결합이 있었다. 또한, 탄닌산과 황산제2철은 상호 결합반응을 하므로 침전물이 발생하여 균일한 도막을 형성하기가 어려웠다.In addition, Japanese Patent Application No. 52-87975 (Publication No. 55-5784 on February 9, 1980) can be exemplified as the prior art closest to the present invention. When iron was used as a water-soluble paint or applied to the iron surface, there was a bond that encouraged the occurrence of rust on the iron surface due to the bubbles generated by fats, glucose, proteins, etc. contained in tannic acid. In addition, since tannic acid and ferric sulfate react with each other, it is difficult to form a uniform coating by generating a precipitate.

본 발명은 상술한 결함을 제거하고 보다 견고한 부착력과 확실한 방청효과를 기하기 위하여 지방, 포도당, 단백질류가 포함되어 있지 않은 철과 화합하는 유기물질, 예컨데 하이드록실기와 카복실기의 유기화합물을 일반 수용성 도료나 수지를 기본으로 한 조성을 가진 도료에 첨가한 것을 철의 표면에 도포하여 그 표면에 내수성 막을 형성하고 도포시 발생되는 기포의 주위가 철 표면에 대한 본원 도료조성물의 강한 결착력으로 인해 발생된 기포가 소멸되도록 한 방청제 조성물에 관한 것이다.In order to remove the above-mentioned defects and to provide more firm adhesion and rustproofing effect, the present invention generally uses organic compounds, such as hydroxyl and carboxyl groups, which are combined with iron which does not contain fat, glucose and proteins. What is added to a paint having a composition based on a water-soluble paint or a resin is applied to the surface of iron to form a water-resistant film on the surface thereof, and the surroundings of bubbles generated during application are generated due to the strong binding force of the paint composition to the iron surface. The present invention relates to a rust preventive composition that allows bubbles to dissipate.

종래의 인산이나 탄닌산, 살리실산 등의 산 유도체가 첨가된 수용액의 방청피막 형성은 피막 형성력이 약하여 방청효과가 저하되는 결함이 있었으며, 상술한 일본특허 소 52-87975호(공고 소 55-5784호)의 특허 기술에서는 철의 제1, 제2염을 사용하여 방청제 조성물을 만들었으나, 철의 제1, 제2염은 탄닌산 등의 유기산 화합물과 결합하여 침전물을 형성하므로써 피막형성력이 약화되고 기포발생을 초래하는 결함이 있었다.The formation of rust-preventive coatings of aqueous solutions to which acid derivatives such as phosphoric acid, tannic acid, and salicylic acid are added has a defect in that the anti-corrosion effect is reduced due to the weak film forming ability. In the patented technology of the first and second salts of iron to form a rust preventive composition, the first and second salts of iron is combined with organic acid compounds such as tannic acid to form a precipitate to weaken the film forming ability and foaming There was a defect that caused.

통상, 철표면에 도포시 프라이머로 처리한 후 상도코팅을 하게 되는데. 이때 도료의 일부가 반응으로 인해 기포를 발생시킬 수 있는 바, 그렇게 되면 핀홀(pin-hole)이란 미세한 구멍이 생기고 이 작은 구멍을 통해 물이나 습기가 침투하므로 이온해리 현상이 발생되어 녹이 생기게 되며, 일단 녹이 발생되면 그 발생부위로부터 녹이 번져나기기 시작하므로 톡톡 두드리면 일군의 페이트 부위가 떨어져 나가는 경우가 종종 생기게 된다. 기존의 광명단과 같은 방청제는 중금속의 독성으로 세균에 의한 침식을 방지하고저 하는 것이 목적이고, 산화철은 녹이나 표면에 미리 녹을 형성시켜 주므로써 습기에의 해리반응을 억제해 주자는데 목적이 있었다.In general, when coating on the iron surface is treated with a primer and then top coating. At this time, a part of the paint may generate bubbles due to the reaction. In this case, pin-holes are formed, and microscopic holes are formed, and water or moisture penetrates through these small holes, causing ion dissociation to cause rust. Once rust occurs, the rust begins to spread from the site of occurrence, so tapping often causes a group of pate parts to fall off. The conventional rust preventive agent was to prevent and reduce the erosion by bacteria due to the toxicity of heavy metals, and iron oxide to prevent rust or the dissociation reaction to moisture by forming rust on the surface in advance.

또한, 무기아연 화합물의 사용은 철보다 이온화 경향이 좋은 아연을 사용하는 것이므로 산화철이 형성되기 전에 산화아연 또는 탄산아연으로 해주자는 목적이 있었으나, 이들 생성물이 생기면 결합력이 저하되므로 페인트가 철 표면에서 이탈되는 현상이 생기게 되어 진정한 방청효과가 이루어지지 못하였다.In addition, the use of the inorganic zinc compound was to use zinc, which has a tendency to ionize than iron, so the purpose was to make zinc oxide or zinc carbonate before iron oxide is formed, but when these products form, the bonding force is lowered, so the paint leaves the iron surface. There was a phenomenon that the true rust preventive effect was not achieved.

따라서, 본 발명은 철과 화합하는 유기물질을 유화중합수지에 첨가하여 철의 표면에 도포하여 그 표면에 스티렌모노머와 아크릴산을 이용한 유화중합수지에 의하여 견고한 막을 형성하므로써 철과 화합한 이 화합물을 보호해 주는 역할을 부여하도록 한 것을 기본으로 한 발명이다. 단, 본원상의 상기 유기물질에는 지방, 포도당, 단백질류가 없는 유기물질로 하므로써 상기 결착력이 없는 지방이나 철과의 피막형성력이 극히 약한 포도당, 단백질류로 인한 결합력이 저하를 방지하므로써 철 표면과의 결착력을 강화시키도록 한 것이다.Therefore, the present invention protects this compound combined with iron by adding an organic substance combined with iron to the emulsion polymerization resin and applying it to the surface of iron to form a solid film by the emulsion polymerization resin using styrene monomer and acrylic acid on the surface. It is an invention based on giving a role to play. However, the organic material of the present application is an organic material free from fat, glucose, and proteins, and thus prevents a decrease in the binding force due to glucose and proteins, which have a very weak film forming ability with fat or iron without the binding force. It is to strengthen the binding force.

철은 습윤환경하에서는 수중 또는 공기중의 산소와 결합하여 산화가 급속히 진행되므로 이를 억제하기 위하여 수용성 유기물질이 사용되는 바, 본원 발명에서는 하이드록실기와 카복실기를 함유한 방향족 계통의 유기물질로서 상술한 바와 같이 지방, 포도당, 단백질류를 제거한 유기물질을 사용 하였다. 이 하이록실기와 카복실기를 가지는 유기화합물은 포리하이드록실릭 페놀류(poly-hydroxylic phenol類) 화합물로서 철과 반응하여 킬레이트 화합물(chelate compound)을 형성해 주며, 또 이 형성된 화합물이나 미반응물질을 도포 후 핀홀로 스며드는 해리촉진물질과 화합반응을 하여 안정된 화합물을 이루게 된다.Iron is combined with oxygen in water or air in a humid environment, so oxidation is rapidly progressed, so that a water-soluble organic material is used to suppress this. In the present invention, iron is an organic material of an aromatic system containing a hydroxyl group and a carboxyl group. As shown, the organic material from which fat, glucose, and protein were removed was used. The organic compound having a hydroxyl group and a carboxyl group is a polyhydroxylic phenol compound, which reacts with iron to form a chelate compound, and after applying the formed compound or unreacted material, It reacts with the dissociation promoting agent alone and forms a stable compound.

도막성 향상을 위하여 기본 수지로서 스티렌모노머와 아크릴산을 이용한 유화중합수지를 사용하면 건조성이 향상된다. 또한, 본 출원인은 상기 유화중합수지에 하이드록실기와 카복실기의 유기화합물과 차몰식자산창연(bismuth subgallate)과를 혼용하면 건조성 결착력, 방부성을 향상시키게 되는 것을 알게 되었다. 또한, 무기재로서 규사, 산화알루미나, 탄화규소, 붕사, 안료 등을 일부 또는 전부 첨가하여 사용해본 결과 도막성이 향상됨을 알게 되었다.In order to improve coating properties, when the emulsion resin using styrene monomer and acrylic acid is used as the base resin, the drying property is improved. In addition, the present inventors have found that the use of a hydroxyl group and a carboxyl group with an organic compound and bismuth subgallate in the emulsified polymer resin improves dry binding and antiseptic properties. In addition, it has been found that coating properties are improved by using some or all of silica sand, alumina oxide, silicon carbide, borax, and pigments as inorganic materials.

따라서, 본 출원인은 스티렌모노머와 아크릴산을 이용한 공지의 유화중합수지를 기본수지로 하고 여기에 본 발명상의 지방, 포도당, 단백질류를 제거한 하이드록실기와 카복실기의 유기화합몰과 차몰식자산창연과 규사, 산화알루미나, 탄화규소, 붕사, 안료등을 일부 또는 전부를 첨가한 방청 조성물을 발명하기에 이르른 것이다.Therefore, the present applicant has a basic resin of a known emulsion polymerization resin using styrene monomer and acrylic acid, and the organic compound moles of the hydroxyl group and the carboxyl group which have removed the fat, glucose and proteins of the present invention, and the chamolecular asset bismuth and silica sand. The invention has led to the invention of an rust-preventing composition in which part or all of alumina oxide, silicon carbide, borax and pigments are added.

상술한 조성물을 보다 상세히 이하에 실시예를 들어 설명 하고저 한다.The above-described composition will be described in more detail with reference to the following Examples.

본 발명에 사용되는 스티렌모노머와 아크릴산을 이용한 유화중합수지의 고형분은 30% 내지 60%정도가 좋은 것으로 알려져 있다. 이 유화중합수지를 100중량비로 한 기본 수지로 하였을 때, 지방, 포도당, 단백질류를 제거하여서 되는 유기하합물로서의 하이드록실기와 카복실기의 유기화합물은 0.5 내지 20중량비로 첨가하고, 차몰식자산창연은 0.1 내지 5중량비로 첨가하여, 무기재로서 규사, 산화알루미나, 탄화규소, 붕사, 안료등은 총계 0.1 내지 30중량비로 첨가한 것이 실험결과 양호한 것으로 나타났다. 이는 상기 하이드록실기와 카복실기의 유기화합물의 첨가량을 0.5중량비 이하로 하는 경우 철 이온과의 결합력이 극히 저하되며 반대로 20중량비 이상인 경우에는 이들 유기화합물과 상술한 기본 수지와의 분리가 용이하게 되어 피막형성력이 저하되기 때문이다. 또한, 차몰식자산창연은 0.1중량비 이하로 할 경우 살충제 또는 방부제로서의 효과가 없어지고, 5중량비의 과도한 량일 경우에는 도막형성에 악영향을 주게 된다. 또한, 상기 규사, 산화알루미나, 탄화규소, 붕사, 안료 등은 총계 30중량비 이상 첨가할 경우 철 표면에서의 수지도막의 형성력이 약화되고 반대로 0.1중량비 이하로 하면 도막성이 저하된다. 상기 무기재로서 그 어느 한가지 또는 모두를 첨가하는 것은 상기 수지도막의 결착 특성을 향상시키기 위한 것이다.It is known that the solid content of the emulsion polymerization resin using styrene monomer and acrylic acid used in the present invention is about 30% to 60%. When the emulsion resin is used as a base resin with 100 weight ratio, the organic compound of hydroxyl group and carboxyl group as organic compound to remove fat, glucose and protein is added at 0.5 to 20 weight ratio, Silver was added in an amount of 0.1 to 5% by weight, and as an inorganic material, silica sand, alumina oxide, silicon carbide, borax, and pigments were added in an amount of 0.1 to 30% by weight in total. When the amount of the organic compound of the hydroxyl group and the carboxyl group is 0.5 weight ratio or less, the binding force with iron ions is extremely lowered. On the contrary, when the weight ratio is 20 weight ratio or more, the separation between these organic compounds and the basic resin is easy. This is because the film forming power is lowered. In addition, when the sunken property bismuth is 0.1 weight ratio or less, the effect as an insecticide or preservative is lost, and an excessive amount of 5 weight ratio adversely affects the film formation. In addition, when the silica sand, alumina oxide, silicon carbide, borax, and pigment are added in an amount of 30 wt% or more in total, the formation force of the resin coating film on the iron surface is weakened. Adding one or all of them as the inorganic material is for improving the binding property of the resin coating film.

[실시예 1]Example 1

기본 수지(유화중합수지) 100중량비Basic resin (emulsion polymerization resin) 100 weight ratio

유기화합물(하이드록실기와 카복실기의 유기화합물) 2.5중량비2.5 weight ratio of organic compounds (organic compound of hydroxyl group and carboxyl group)

차몰식자산창연 0.5중량비0.5 weight ratio

무기재 0.1중량비Inorganic material 0.1 weight ratio

상술한 조성으로 한 방청제 조성물로 하였더니 부착력, 내부식성 및 방부성이 현저히 향상되었으며, 철 표면에 도포할 때의 기포발생이 거의 없었다.When the rust preventive composition having the above-mentioned composition was used, adhesion, corrosion resistance, and antiseptic property were remarkably improved, and there was almost no bubble generation when applied to the iron surface.

[실시예 2]Example 2

기본 수지(유화중합수지) 100중량비Basic resin (emulsion polymerization resin) 100 weight ratio

유기화합물(하이드록실기와 카복실기의 유기화합물) 4.8중량비4.8 weight ratio of organic compounds (organic compound of hydroxyl group and carboxyl group)

차몰식자산창연 3.2중량비Derived property ratio 3.2 weight ratio

무기재(규사 6%, 산화알루미나 5%, 탄화규소 4%,Inorganic materials (6% silica, 5% alumina oxide, 4% silicon carbide,

붕사 3%, 무기안료 1%) 19중량비Borax 3%, Inorganic Pigment 1%) 19 weight ratio

상술한 조성으로 한 방청제 조성물을 철 표면에 도포하였더니, 부착력, 내부식성, 방부성의 현저한 향상은 물론 기포발생도 거의 없었으며, 더욱이 도막성이 현저히 향상 되었음을 알 수 있었다.When the anticorrosive composition having the above-described composition was applied to the iron surface, it was found that the adhesion, corrosion resistance, and antiseptic properties were significantly improved, and there was almost no bubble generation, and further, the coating property was remarkably improved.

[실시예 3]Example 3

기본 수지(알키드수지 : 아크릴수지=1 : 4 100중량비Basic resin (Alkyd resin: Acrylic resin = 1: 4 100 weight ratio

유기화합물(폴리하이드록실릭 페놀류) 20중량비20 weight ratio of organic compounds (polyhydroxyl phenols)

차몰식자산창연 0.5중량비0.5 weight ratio

무기재(산화알루미나 5%, 붕사3%, 무기안료 1%) 5중량비5 weight ratio of inorganic materials (alumina oxide 5%, borax 3%, inorganic pigment 1%)

용제(에타놀) 50중량비Solvent (ethanol) 50 weight ratio

본 실시예는 에타놀 등의 알콜류와 같은 용제를 첨가하였을 때에도 유성을 높여주므로써 도막형성과 도막 결착 상태가 우수하여 내수성에 효과적인 것을 알게 되었다.In this embodiment, even when a solvent such as alcohol, such as ethanol, was added, it was found to be effective in water resistance due to its excellent film formation and coating state by improving oiliness.

본 발명은 상술한 바와 같이 스틴렌모노머와 아크릴산을 이용한 유화중합수지를 기본으로 한 기본수지에 지방, 포도당 및 단백질류를 일체 제거한 하이드록실기와 카복실기의 유기화합물 및 차몰식자산창연, 또한 규사, 산호알루미나, 탄화규소, 붕사, 안료 등의 무기재를 적정범위로 첨가하므로써 철 표면에의 피막형성이 발생되는 기포의 억제 내지 제거는 물론 건조성, 내부식성, 방부성 등을 아울러 갖춘 피막형성력의 현저한 향상을 도모하게 되므로써 종전의 방청제의 기술 및 품질상의 결함을 제거할 수 있게 된 발명이다.The present invention, as described above, the organic resin of the hydroxyl group and the carboxyl group, and the siliceous asset creation, and also the siliceous sand, which remove all the fat, glucose and proteins in the basic resin based on the styrene monomer and acrylic acid based on the emulsion polymerization resin By adding inorganic materials such as coral alumina, silicon carbide, borax, and pigments in an appropriate range, it is possible to suppress or remove air bubbles that form on the iron surface, as well as to remarkably improve the film forming power including dryness, corrosion resistance, and antiseptic property. It is an invention that can improve the technical and quality defects of the conventional rust preventive agent by aiming at improvement.

Claims (1)

철이온과 결합반응하는 유기화합물을 이용한 방청제 조성물에 있어서, 스티렌모노머와 아크릴산을 이용한 유화중합수지를 기본수지 100중량비로 하고 여기에 하이드록실기와 카복실기의 유기화합물로서 폴리하이드록실릭 페놀류를 0.5 내지 20중량비, 차몰식자산창연을 0.1 내지 5중량비 및 규사, 산화알루미나, 탄화규소, 붕사, 안료로 되는 무기재를 0.1 내지 30중량비로 하여 구성되고, 상기 하이드록실기와 카복실기의 유기 화합물로서의 폴리하이드록실릭 페놀화합물은 지방, 포도당 및 단백질류를 일체 제거한 유기화합물로 되는 것을 특징으로 하는 방청제 조성물.In the anti-corrosive composition using an organic compound which binds to iron ions, an emulsion polymerization resin using styrene monomer and acrylic acid is 100 weight ratio of a basic resin, and polyhydroxy phenols are 0.5 as organic compounds of hydroxyl and carboxyl groups. 20 to 20 weight ratio, 0.1 to 5 weight ratio of carbon dioxide, and inorganic material consisting of silica sand, alumina oxide, silicon carbide, borax, and pigment in an amount of 0.1 to 30 weight ratio, and the poly group as the organic compound of the hydroxyl group and the carboxyl group A hydroxyl phenolic compound is an anti-corrosive composition comprising an organic compound from which fats, glucose and proteins are all removed.
KR1019850005841A 1985-08-13 1985-08-13 Anti-corrosive production KR890000446B1 (en)

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