KR0126873B1 - Chemical agent resistant 2-component aliphatic polyurethane coating composition and preparation process the same - Google Patents
Chemical agent resistant 2-component aliphatic polyurethane coating composition and preparation process the sameInfo
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- KR0126873B1 KR0126873B1 KR1019940017856A KR19940017856A KR0126873B1 KR 0126873 B1 KR0126873 B1 KR 0126873B1 KR 1019940017856 A KR1019940017856 A KR 1019940017856A KR 19940017856 A KR19940017856 A KR 19940017856A KR 0126873 B1 KR0126873 B1 KR 0126873B1
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- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—Polyurethanes from polyesters
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K5/00—Use of organic ingredients
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
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- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/45—Anti-settling agents
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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
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- 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
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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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
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Abstract
Description
본 발명은 2액형 폴리우레탄 도료 조성물과 그 제조방법에 관한 것으로 특히 액상 화학작용제(GD : Pin acolymethyl phosphonofluoridate 및 HD : bis-dichloroethyl sulfide)의 침투에 저항성이 있어 잔존오염을 감소시키고 물리적 방법에 의한 오염제거를 가능하게 하며, 또한 위장 패턴 페인팅(Camouflage pattern-painting)에 대해 가시광선 및 적외선 반사 요구조건을 충족시키도록 한 화학작용제 저항성을 갖는 2액형 지방족 폴리우레탄 도료조성물 및 그 제조방법에 관한 것이다.The present invention relates to a two-component polyurethane coating composition and a method of manufacturing the same, in particular, resistant to the penetration of liquid chemical agents (GD: Pin acolymethyl phosphonofluoridate and HD: bis-dichloroethyl sulfide) to reduce residual pollution and contamination by physical methods. A two-part aliphatic polyurethane paint composition having chemical agent resistance that allows for removal and also meets visible and infrared reflecting requirements for camouflage pattern-painting and methods of making the same.
본 발명은 특히 특수 상황하에서 화학작용제의 오염우려가 있고, 은폐의 필요성을 갖는 군사용에 유용한 것으로서 기존의 도료와 동등하거나 뛰어난 내후특성 및 도막물성을 갖는 하도가 도장된 철재 및 비철재의 차량 및 장비에 상도로 사용하기 위한 자연건조형 무광택 도료에 관한 것이다.The present invention is particularly useful for military use, which may be contaminated with chemical agents under special circumstances, and has a need for concealment, and has the same level or superior weather resistance and coating properties as existing paints, and steel and nonferrous vehicles and equipment. It relates to a naturally dry matte paint for use as a top coat.
종래의 자연건조형 무광택 적외선 위장도료는 알키드 페인트가 주종으로 사용되어 왔다. 그러나, 기존의 알키드 페인트는 액상 화학작용제에 용해성이 있다고 알려져 있다. 따라서 종래의 알키드 페인트는 화학작용제에 노출될 경우 도막내부로 액상 화학작용제가 침투, 흡수되게 되며 흡수된 화학작용제는 장기간에 걸쳐 보호장비를 갖추지 않은 사람에게 호흡기 및 피부상에 위험을 초래하기에 충분한 량을 지속적으로 방출한다.Alkyd paint has been mainly used as a natural dry type matte infrared camouflage paint. However, existing alkyd paints are known to be soluble in liquid chemical agents. Therefore, conventional alkyd paints can infiltrate and absorb liquid chemicals when they are exposed to chemical agents, and the absorbed chemical agents are sufficient to pose a risk to respiratory and skin hazards to persons without protective equipment for a long time. Continuously release the dose.
이러한 이유로 상기와 같은 위험요소를 감소시키거나 제거시키기 위하여 오염제거제, 즉 제독제가 개발되었다. 차량과 장비에 적용하여 모든 작용제의 오염제거를 위해 오늘날까지 개발된 가장 호과적인 물질이 DS-2(70% Diethylene Triamine, 28% 2-methoxyethanel, 2% NaOH)이다.For this reason, decontamination agents, ie decontamination agents, have been developed to reduce or eliminate such hazards. The most controversial material developed to date for decontamination of all agents in vehicles and equipment is DS-2 (70% Diethylene Triamine, 28% 2-methoxyethanel, 2% NaOH).
그러나, DS-2는 화학작용제를 중화시키는데는 효과적이지만 약간의 바람직하지 않은 특성들, 즉 그것을 사용하는 사람에게 해롭고, 알키드 페인트를 녹여내고, 약간의 플라스틱물과 모직물을 용해시키는 특성을 갖는다.However, DS-2 is effective in neutralizing chemical agents but has some undesirable properties: harmful to the person using it, dissolving alkyd paint, and dissolving some plastics and wool.
따라서 사용시에는 개인보호장비가 별도로 필요하게 된다. 이러한 바람직하지 않은 특성들을 제거하기 위한 여러가지 다양한 시도들이 있었으나 아직까지는 성공적이지 못하다. 따라서 알키드 페인트 시스템에서 화학작용제의 위험을 완전희 제거하기 위해서는 화학작용제를 흡수한 알키드 페인트를 물리적 방법으로 완전히 벗겨내는 방법밖에 없다. 이러한 방법은 물적, 인적, 시간적 손실을 초래한다.Therefore, personal protective equipment is required separately for use. Various attempts have been made to remove these undesirable properties, but so far they have not been successful. Therefore, in order to completely eliminate the risk of chemical agents in the alkyd paint system, the only way to remove the alkyd paint absorbing the chemical agent is by physical method. This method results in physical, human and time loss.
알키드 페인트를 벗겨내려면 자연적으로 하도까지 제거해야하며, 또다시 하도도장과 알키드 페인트를 도장해야 하는 것이다. 또다른 방법은 에폭시 도료를 사용하는 것이다. 에폭시 도료는 화학작용제 침투에 대하여 훌륭한 저항성을 가지고 있다. 그러나, 불행하게도 에폭시 도료의 내후특성은 화학작용제 침투특성에 비하여 만족스럽지 못하다.To peel off alkyd paint, it is necessary to remove it to the undercoat naturally, and to paint undercoat and alkyd paint again. Another method is to use an epoxy paint. Epoxy paints have excellent resistance to chemical agent penetration. Unfortunately, the weathering properties of epoxy paints are not satisfactory compared to chemical agent penetration properties.
에폭시 도료는 심한 쵸킹현상이 발생하며 점차적으로 빈약한 색상보존 특성을 갖는다.Epoxy paints have severe choking and gradually have poor color preservation characteristics.
이러한 내후특성들이 에폭시 도료의 화학작용제 저항특성에 크게 영향을 미치지는 않으나, 외관이 빨리 만족스럽지 못하게 되며 도료의 빠른 노화가 발생한다.These weathering properties do not significantly affect the chemical agent resistance of the epoxy paint, but the appearance is not satisfactory quickly and the paint ages rapidly.
미군사규격 MIL-T-81773에 언급된 폴리우레탄 도료는 알키드 페인트보다는 뛰어나나 아직 장기간의 화학작용제의 방출위험을 제거하는 필요한 품질을 갖고 있지 못하다.The polyurethane paints mentioned in US Military MIL-T-81773 are superior to alkyd paints but do not yet have the necessary quality to eliminate the risk of long-term chemical release.
따라서, 본 발명은 상술한 바와 같이 종래 기술의 제반 문제점을 해결하기 위하여 안출한 것으로서, 하도가 도장된 철재 및 비철재의 차량 및 장비에 상도로 사용하기 위한 자연건조형 무광택 2액형 지방족 폴리우레탄 도료로서 다음과 같은 목적을 갖는다.Accordingly, the present invention has been made in order to solve the problems of the prior art as described above, a naturally-dried matt two-component aliphatic polyurethane paint for use as a top coat in vehicles and equipment of steel and non-ferrous metal coating It has the following purpose.
본 발명의 제1목적은 액상 화학작용제(GD,HD)의 침투에 저항성이 있어 잔존오염을 감소시키고 따라서 물리적 방법에 의한 오염제거를 가능하게 하는 도료의 조성물 배합과 그 제조방법을 제공함에 있다.It is a first object of the present invention to provide a composition of a paint composition and a method of preparing the same, which are resistant to the penetration of liquid chemical agents (GD, HD), thereby reducing residual contamination and thus enabling decontamination by physical methods.
본 발명의 제2목적은, 제1목적을 가짐과 동시에 오염제거제인 DS-2에 대하여 뛰어난 저항성을 가진 도료의 조성물 배합과 그 제조방법을 제공함에 있다.A second object of the present invention is to provide a composition formulation of a coating material having a first object and excellent resistance to DS-2, which is a decontamination agent, and a method for producing the same.
본 발명의 제3목적은, 제2목적을 가짐과 동시에 기존의 도료와 동등하거나 보다 나은 도막물성(혼합성, 분무도장성, 붓도장성, 굴곡성, 재도장성, 내수성, 내탄화수소성, 내산성, 촉진내후성 등)을 나타내는 도료의 조성물 배합과 그 제조방법을 제공함에 있다.The third object of the present invention has a second purpose and at the same time as the conventional coating material properties (mixing, spray coating, brush coating, bending, repainting, water resistance, hydrocarbon resistance, acid resistance, promotion It is to provide a composition formulation of a paint exhibiting weather resistance (etc.) and a manufacturing method thereof.
본 발명의 제4목적은, 제3목적을 가짐과 동시에 위장패턴 페인팅(camouflagepattern-painting)에 요구되는 가시광선 및 적외선 반사 요구조건을 충족시키는 안료배합을 갖는 도료의 조성물 배합과 그 제조방법을 제공함에 있다.A fourth object of the present invention provides a composition of a paint having a third purpose and a composition of a paint having a pigment mixture which satisfies the visible and infrared reflecting requirements required for camouflage pattern-painting, and a method of manufacturing the same. Is in.
본 발명에서의 상기한 목적들이 달성되도록 하기 위해 두종류의 트리메틸프로판-오르토프탈릭 폴리에스테르의 조합으로 구성되는 지방족 폴리에스테르 폴리올 12-17중량%(주제기준)과 헥사메틸렌 디이소시아네이트와의 당량비가 1.0 : 0.8∼1.0 : 1.4인 경화반응에 의해 생성되는 폴리우레탄수지와; 위장 페턴 페인팅에 요구되는 가시광선 및 적외선 반사요구조건을 충족시키는 착색안료 및 체질안료 30-60중량%(주제기준)의 배합과; 광학적 반응에 안정한 휘발성 유기 용매 30-55중량%(주제기준)와; 도료의 물성을 향상시키기한 기타 첨가제 0.1-10중량%(주제기준)로 구성되어 조성되는 화학작용제 저항성을 갖는 것으로서 도막형성 물질은 헥사메틸렌 디아소시아네이트 프리폴리머(Hexamaethylene diisocyanate prepolymer)와 트리메틸프로판-오르토프탈릭 폴리에스테르(Trimethylpropane-Orthophthalic Poly-ste)와의 반응에 의해 형성되는 지방족 폴리우레탄 수지(Alphatic Polyurethane resin)이다. 아울러 위장패턴 페인팅 과정에 사용되는 색상에 대한 가시광선 및 적외선 반사율을 조정하기 위해, 수지조합은 동일하게 하고 안료배합을 색상에 맞게 변경했을 때에도 도료의 화학작용제 저항성 및 기타의 도막물성에 영향이 거의 없음을 확인하였다.In order to achieve the above objects in the present invention, the equivalent ratio of 12-17% by weight of aliphatic polyester polyol (based on the topic) and hexamethylene diisocyanate composed of a combination of two kinds of trimethylpropane-orthophthalic polyester is Polyurethane resin produced | generated by the hardening reaction of 1.0: 0.8-1.0: 1.4; 30-60% by weight of a pigment and an extender pigment (subject basis) which satisfy the visible and infrared reflecting requirements for camouflage pattern painting; 30-55% by weight of volatile organic solvent (subject basis) which is stable to optical reaction; It is composed of 0.1-10% by weight of other additives to improve the physical properties of the paint (subject basis), and has a chemical agent resistance. The film-forming material is hexamethylene diisocyanate prepolymer and trimethylpropane-ortope. It is an aliphatic polyurethane resin formed by the reaction with trimethylpropane-Orthophthalic Poly-ste. In addition, in order to adjust the visible and infrared reflectance of the color used in the camouflage pattern painting process, even when the resin combination is the same and the pigment mixture is changed to the color, the chemical agent resistance of the paint and other coating properties are hardly affected. It was confirmed that none.
본 발명을 더 상세히 설명하면, 본 발명은 자연건조형 2액형 지방족 폴리우레탄 도료로서 성분 A(주제)와 성분 B(경화제)로 구성된다.In more detail, the present invention is a naturally-dried two-component aliphatic polyurethane paint composed of component A (topic) and component B (curing agent).
성분 A는 착색안료와 체질안료 그리고 휘발성 용매와 결합된 프탈릭 트리메틸을 프로판 폴리에스테르(phthalic-trimethyol propane polyest)로 구성된다.Component A is composed of phthalic trimethyl propane polyester (phthalic trimethyol propane polyest) combined with pigmented pigment, sieving pigment and volatile solvent.
성분 B는 휘발성 용매와 결합된 지방족 이소시아네이트 프리폴리머(Aliphaticisocyanate prepolymer)로 구성된다. 도료는 4부피분의 성분 A에 1부피분의 성분 B를 혼합하며 필요시 지정된 희석제를 첨가할 수 있다.Component B consists of an aliphatic isocyanate prepolymer combined with a volatile solvent. The paint mixes one volume of component B with four volumes of component A and may be added with the designated diluent if necessary.
이때의 촉매화되는 이소시아네이트기/수산기(NCO-/OH)비율은 1.1/1.0이상으로 해야하며 그 이하로 떨어지면 도료의 화학작용제 저항성이 감소하는 문제점이 있다.Catalyzed isocyanate group / hydroxyl group (NCO - / OH) ratio is in this case has a problem in that the chemical agent resistance of the coating decrease falls below should be 1.1 / 1.0 or higher.
상기 A에 사용되는 폴리에스테르 폴리올은 프탈릭 트리메틸올을 프로판 폴리에스테르로써 한가지 또는 2가지 종류의 브렌딩(blending)하여 사용할 수 있으며 본 발명에서는 2가지 종류를 사용하였다.The polyester polyol used in A may be used by blending one or two kinds of phthalic trimethylol as propane polyester, and two kinds thereof are used in the present invention.
그중 한가지 폴리에스테르 폴리올은 1-메톡시프로필 아세테이트-2에 고형분 65%(무게비)로 녹아 있는 용액으로 300∼400의 당량, 1.15±0.15g/cm3의 비중, 최대 4의 산가를 갖거나 고형분 100%상태로 공급되기도 한다.One of these polyester polyols is a solution dissolved in 1-methoxypropyl acetate-2 at 65% solids (weight ratio) and has an equivalent weight of 300 to 400, a specific gravity of 1.15 ± 0.15 g / cm 3 , an acid value of up to 4 or a solid content of It may be supplied at 100% status.
상기 고형분 100%를 갖는 폴리에스테르 폴리올은 195∼260의 당량, 1.25±0.15g/cm3의 비중, 최대 4의 산가를 갖는다.The polyester polyol having 100% of the solid content has an equivalent of 195 to 260, a specific gravity of 1.25 ± 0.15 g / cm 3 , and an acid value of up to 4.
본 발명에서는 고형분 65% 폴리에스테르 폴리올 용액이나 고형분 100% 폴리에스테르 폴리올 중 어느것을 사용하여도 같은 효능을 나타낸다.In the present invention, the same efficacy can be obtained by using either a solid content 65% polyester polyol solution or a solid content 100% polyester polyol.
본 발명에서는 고형분 65% 용액상태의 제품을 사용했는데 이는 도료제조상의 편리함을 제공하기 때문이다. 또 하나의 폴리에스테르 폴리올은 부틸아세테이트상에 고형분 80%(무게비)로 녹아있는 용액으로 460∼560의 당량, 1.11±0.15g/cm3의 비중, 최대 2의 산가를 갖거나 고형분 100% 상태로 공급되기도 한다.In the present invention, a 65% solids product was used because it provides convenience in paint manufacturing. Another polyester polyol is a solution of 80% solids (weight ratio) dissolved in butyl acetate. It has an equivalent of 460 to 560, a specific gravity of 1.11 ± 0.15 g / cm 3 , an acid value of up to 2, or a solid content of 100%. Also supplied.
상기 고형분 100%를 갖는 폴리에스테르 폴리올은 368∼448의 당량, 1.11±0.15g/cm3의 비중, 최대 2의 산가를 갖는다.The polyester polyol having 100% of the solid content has an equivalent weight of 368 to 448, a specific gravity of 1.11 ± 0.15 g / cm 3 , and an acid value of up to two.
본 발명에서는 고형분 80% 폴리에스테르 폴리올 용액이나 고형분 100% 폴리에스테르 폴리올 중 어느것을 사용하여도 같은 효능을 나타낸다.In the present invention, the same efficacy can be obtained by using either a solid content 80% polyester polyol solution or a solid content 100% polyester polyol.
본 발명에서는 고형분 80% 용액상태의 제품을 사용했는데 이는 도료제조상의 편리함을 제공하기 때문이다.In the present invention, a product having a solid content of 80% solution is used because it provides convenience in paint manufacturing.
성분 B에 사용되는 지방족 이소시아네이트 프리폴리머는 1-메톡시 프로필 아세테이트-2/크실렌(1 : 1)에 고형분 75%로 녹아있는 헥사메틸렌 디이소시아네이트 프로폴리머 용액으로 1.07±0.15g/cm3의 비중, 255±15의 당량, 16.5±2.5의 이소시아네이트 함량을 갖는다.The aliphatic isocyanate prepolymer used in component B is a hexamethylene diisocyanate propolymer solution dissolved in 75% solids in 1-methoxy propyl acetate-2 / xylene (1: 1), specific gravity of 1.07 ± 0.15 g / cm 3 , 255 Has an equivalent of ± 15 and an isocyanate content of 16.5 ± 2.5.
안료는 착색안료 및 체질안료를 포함한다. 착색안료는 목적하는 색상의 X,Y,Z좌표를 만족시키는 배합임과 동시에 각 색상에 요구되는 가시광선 및 적외선 반사율을 만족시키는 배합을 갖는다. 은폐안료로 사용하는 산화철은 자연산이 아닌 합성산화철이다.Pigments include pigmented pigments and extender pigments. The pigmented pigment is a formulation that satisfies the X, Y, and Z coordinates of the desired color and at the same time has a formulation that satisfies the visible and infrared reflectances required for each color. Iron oxide used as a cover pigment is synthetic iron oxide, not natural.
이산화티타늄은 ASTM, D476, Ⅲ형에 일치하는 내쵸킹성 루틸형을 사용하였다. 크롬산염(Cr6가)안료는 사용하지 않았고 황화안티몬도 배제하였다. 체질안료는 규산질물질을 사용하였다. 각 색상을 만드는데 필요한 안료들을 표 1에 나타내었다.Titanium dioxide was used in the choking resistance rutile type in accordance with ASTM, D476, III. No chromate (Cr6) pigments were used and antimony sulfide was excluded. Sieve pigment was used as a sieving pigment. The pigments required to make each color are shown in Table 1.
[표 1] 안료조성[Table 1] Pigment Composition
본 발명에서의 위장색상들은 표 Ⅱ에 수록하였다.Camouflage colors in the present invention are listed in Table II.
표 Ⅱ에 수록된 모든 위장색상들은 가시선(300∼700나노미터)과 근적외선(700∼900나노미터)에서 요구된 스펙트럼 반사율을 주며, 색도에 대한 수치적인 필요조건과 일치한다.All camouflage colors listed in Table II give the spectral reflectances required for visible (300-700 nanometers) and near-infrared (700-900 nanometers) and are consistent with the numerical requirements for chromaticity.
이 위장체계의 색상들은 표준광원 C하에서 수록된 값의 2.0NBS(National Burea of Standard) 단위 이내이다.The colors of this gastrointestinal system are within 2.0 NBS (National Burea of Standard) units of the values listed under standard light source C.
암녹색과 녹색에 대한 분광반사율의 한계는 표 Ⅲ에 나타내었다.The limits of spectral reflectance for dark green and green are shown in Table III.
[표 Ⅱ] 색상반사율과 필요조건[Table Ⅱ] Color reflectance and requirements
[표 Ⅲ] 암녹색과 녹색에 대한 분광 반사율의 한계Table III Limits of spectral reflectance for dark green and green
성분 A와 성분 B의 휘발성분은 광화학적 반응에 안정한 용매화합물, 예컨데 메틸에틸케톤, 1-메톡시프로필 아세테이트-2, 톨루엔, 크실렌, 정부틸 아세테이트, 에틸아세테이트, 메톡시부틸 아세테이트 등으로 구성되며, 이는 도료중의 수지를 용해하고 안료 및 기타 첨가제 등을 분산시키는 역할을 하며, 또한 도료의 점도를 맞추기 위한 것으로, 요구되는 점도에 적당한 양으로 첨가한다.The volatile components of component A and component B are composed of a solvent compound which is stable to photochemical reaction, for example, methyl ethyl ketone, 1-methoxypropyl acetate-2, toluene, xylene, true butyl acetate, ethyl acetate, methoxybutyl acetate, and the like. This serves to dissolve the resin in the paint and to disperse pigments and other additives, and to adjust the viscosity of the paint, which is added in an appropriate amount to the required viscosity.
또한, 본 발명은 약간의 기타 첨가제를 사용하였다. 얀료의 습윤 및 분산력을 향상시키고 저장안정성을 높이기 위해 침강방지제로 폴리아민 아미드고분자 카르복실산염을 전체 배합에 대하여 0.1∼1.0% 가할 수 있다.In addition, the present invention used some other additives. In order to improve the wetting and dispersing ability of the dyeing material and to increase the storage stability, the polyamine amide polymer carboxylate may be added in an amount of 0.1 to 1.0% based on the total formulation.
소포제로는 폴리실록산 계열 또는 무실리콘 폴리머계열의 소포제를 사용하였는데 후자가 도료의 물성에 끼치는 영향을 고려할 때 보다 나은 소포제로 생각된다.As the antifoaming agent, an antifoaming agent of polysiloxane-based or silicone-free polymer type was used, which is considered to be a better antifoaming agent considering the effect of the latter on the physical properties of the paint.
이때의 첨가량은 전체배합에 대하여 0.05∼2.0%이다. 습윤과 분산을 향상시키고 안료의 부유현상을 방지하기 위하여 폴리실록산 코폴리머의 고분자량 불포화 폴리카르복실산 50%용액을 전체 배합에 대하여 0.1∼2.0% 첨가할 수 있다.The addition amount at this time is 0.05 to 2.0% with respect to the total mixture. In order to improve wetting and dispersion and to prevent the floating of pigments, a 50% solution of a high molecular weight unsaturated polycarboxylic acid of a polysiloxane copolymer may be added in an amount of 0.1 to 2.0% based on the total formulation.
또한 도막표면조정 및 개선을 위해 고비점 방향족 용매와 케톤류 및 에스테르류를 함유한 폴리실록산 첨가제를 전체배합에 대해 2∼10%를 첨가하거나 디메틸 폴리실록산 코폴리머 변성 폴리에스테르 용액을 전체배합에 대하여 0.1∼1.0%를 첨가할 수 있다.Also, 2 ~ 10% of the total mixture of polysiloxane additives containing high boiling point aromatic solvents, ketones and esters is added for the surface coating adjustment and improvement, or 0.1 to 1.0 of the dimethyl polysiloxane copolymer-modified polyester solution is added to the total mixture. % Can be added.
또한 멜라민을 함유한 폴리머 왁스를 전체 배합에 대하여 2∼10%를 첨가할 수 있고, 메틸 폴리실록산 변성 폴리에스테르를 전체 배합에 대하여 0.01∼0.5%를 가할 수 있다.In addition, 2-10% of the polymer wax containing melamine can be added to the total formulation, and 0.01 to 0.5% of the methyl polysiloxane-modified polyester can be added to the total formulation.
가소제로는 부틸아크릴레이트와 비닐이소부틸에테르의 공중합체를 전체배합에 대하여 0.01∼0.05%를 가할 수 있다.As a plasticizer, 0.01 to 0.05% of a copolymer of butyl acrylate and vinyl isobutyl ether can be added to the total mixture.
증점제로는 합성실리카분을 전체 배합에 대하여 0.01∼1.0%로 가하거나 가결합촉진제로 디부틸틴디라우레이트를 0.001∼0.2%가할 수 있다. 수지, 안료 및 용매의 종류 및 양에 따라 각각의 첨가제의 종류 및 량은 첨삭되거나 증감될 수 있다.As the thickener, the synthetic silica powder may be added at 0.01 to 1.0% of the total formulation, or the dibutyltin dilaurate may be added at 0.001 to 0.2% as the crosslinking accelerator. Depending on the type and amount of resins, pigments and solvents, the type and amount of each additive may be added or increased.
도료를 제조시, 성분 B는 밀링(milling)할 필요는 없고 적합한 혼합기(mixer)를 이용하여 혼합 및 분산, 여파공정을 거친다.In preparing the paint, component B does not need to be milled and is mixed, dispersed and filtered using a suitable mixer.
성분 A는 사전혼합 및 분산, 밀링, 재분산, 여과의 제조공정을 거친다. 성분 A를 제조시 본 발명은 세라믹 볼밀(Ball-mill)을 사용하였으며 스탠드밀(stand-mill), 샌드밀(sand-mill)등 기타 다른 일반적인 밀도 사용가능하다. 본 발명은 실시예로서 세라믹 볼밀을 이용하여, 사진혼합 및 분산공정을 생락하였다.Component A undergoes premixing and dispersing, milling, redispersion and filtration. In preparing component A, the present invention used a ceramic ball-mill and other general densities such as stand-mill, sand-mill and the like. The present invention eliminates the photo mixing and dispersing process using a ceramic ball mill as an example.
밀링은 1차 밀링과 2차 밀링으로 구분하였고, 1차 밀링은 15∼30시간, 2차 밀링은 10분∼2시간정도를 행하였다.Milling was divided into 1st milling and 2nd milling, 1st milling for 15-30 hours, and 2nd milling for 10 minutes-2 hours.
1차 밀링에는 수지, 안료, 용매, 첨가제등을 세라믹 볼밀에 투입하여 15∼30시간동안 밀링한다.In the first milling, resins, pigments, solvents, and additives are put into a ceramic ball mill and milled for 15 to 30 hours.
이때 투입량은 볼 밀 전체부피에 대하여 세라믹 볼이 20∼80%(부피%), 원료가 20∼80%이다.In this case, the input amount is 20 to 80% (volume%) of the ceramic balls and 20 to 80% of the raw material with respect to the total volume of the ball mill.
볼 밀의 회전속도는 볼 밀의 크기에 따라 10∼100rpm이며, 원료의 투입순서는 수지, 용매, 첨가제, 안료의 순이나 필요에 따라 그 순서를 바꿀 수 있다.The rotation speed of the ball mill is 10 to 100 rpm depending on the size of the ball mill, and the order of input of the raw materials can be changed according to the order of resin, solvent, additives and pigments or as necessary.
볼 밀의 회전속도, 원료 및 세라믹 볼의 양 및 밀링시간에 따라 도료의 색상, 입도, 분산력, 광택도 등에 영향을 미칠 수 있다.Depending on the rotation speed of the ball mill, the amount of raw materials and ceramic balls, and the milling time, the color, particle size, dispersion, glossiness, etc. of the paint may be affected.
1차 밀링은 18∼26시간 정도가 가장 이상적이다. 2차 밀링은 여분의 수지, 안료, 첨가제, 용매등을 가하여 10분∼2시간 동안 밀링하는데 30분∼1시간 정도가 적당하다.The first milling is ideal for 18 to 26 hours. Secondary milling is suitable for 30 minutes to 1 hour for milling for 10 minutes to 2 hours with the addition of excess resin, pigments, additives and solvents.
2차 밀링후 밀링한 원료를 볼밀에서 빼내고 여분의 용매를 볼밀에 투입하여 세척을 실시한다.After the second milling, the milled raw material is removed from the ball mill and excess solvent is added to the ball mill for cleaning.
세척한 용매를 2차 밀링한 원료로 혼합하여 교반탱크에서 프리믹서기(pre-Mixer)를 이용하여 첨가제, 용매등을 가하여 재분산한다. 이때, 재분산 시간은 10분∼1시간 정도이며 30분 전후가 적당하다. 재분산 공정을 마친 후 여과공정을 실시한다.The washed solvent is mixed with the second milled raw material and redispersed by adding an additive, a solvent, etc. using a pre-mixer in a stirring tank. At this time, the redispersion time is about 10 minutes to 1 hour and about 30 minutes are suitable. After the redispersion process is completed, the filtration process is performed.
다음에 본 발명의 바람직한 실시예를 기재한다. 그러나 실시예는 본 발명을 더욱 용이하게 이해할 수 있도록 예시한 것일뿐 본 발명이 실시예로만 한정되는 것은 아니다.Next, a preferred embodiment of the present invention is described. However, the examples are only illustrated to more easily understand the present invention, and the present invention is not limited only to the examples.
더구나 도료는 특성상 수많은 안료의 배합이 가능하므로 여기에서 언급하지 않은 색상이라도 수지, 안료, 첨가제등의 기본틀이 크게 바뀌지 않는 한 본 발명의 범주에 속한다 하겠다.In addition, since the paint is capable of blending a number of pigments in nature, even if the color is not mentioned here, the resin, pigments, additives, etc. will fall within the scope of the present invention unless the basic framework is greatly changed.
실시예 1Example 1
성분 A의 조성물은 다음과 같이 제조한다.The composition of component A is prepared as follows.
300∼400의 당량을 가진 폴리에스테르 폴리올 158g, 메틸에틸케톤 60g, 메톡시프로필 아세테이트-217.4g 메톡시부틸 아세테이트 24.4g 톨루엔 3.6g, 폴리아민아미드 고분자 카르복실산염 1.8g, 벤토나이트 3.6g, 부틸아크릴 레이트 비닐 이소부틸 에테르 공중합체 0.6g, 무실리콘 폴리머 소포제 4g, 폴리실록산 코폴리머의 고분자량 불포화 폴리카브록실산 50% 용매 5.2g을 총부피 1.5ℓ이고 세라믹 볼이 55±10% 부피로 채워진 볼밀에 투입하여 1시간 정도 밀링한 후, 녹색산화크롬 81.2g, 황색합성 산화철 58g, 적색합성 산화철 1.84g, 루틸형 이산화티타늄 0.8g, 카본블랙 0.4g, 결정형 실리카 158.2g, 합성실리카 7.5g을 가하여 1차 밀링을 실시한다.158 g of polyester polyol with 300 to 400 equivalents, methyl ethyl ketone 60 g, methoxypropyl acetate-217.4 g methoxybutyl acetate 24.4 g toluene 3.6 g, polyamineamide polymer carboxylate 1.8 g, bentonite 3.6 g, butyl acrylate 0.6 g of vinyl isobutyl ether copolymer, 4 g of silicone-free polymer antifoam, and 5.2 g of 50% solvent of high molecular weight unsaturated polycarboxylic acid of polysiloxane copolymer were added to a ball mill filled with 55 ± 10% of the volume of ceramic balls by volume of 1.5 l. After milling for about 1 hour, 81.2 g of green chromium oxide, 58 g of yellow synthetic iron oxide, 1.84 g of red synthetic iron oxide, 0.8 g of rutile titanium dioxide, 0.4 g of carbon black, 158.2 g of crystalline silica, and 7.5 g of synthetic silica were added thereto. Carry out milling.
이때 볼밀의 회전속도는 60±40rpm이며 밀링시간은 18∼26시간이다. 1차 밀링후, 500±100의 당량을 가진 폴리에스테르 폴리올 40.0, 메틸에틸 케톤 28, 정부틸아세테이트 26g, 규소토 67.8g을 가하여 2차 밀링을 30분∼1시간 동안 행한다. 2차 밀링후 내용물을 볼밀에서 혼합탱크로 빼낸다.The rotation speed of the ball mill is 60 ± 40rpm and the milling time is 18 to 26 hours. After primary milling, secondary milling is carried out for 30 minutes to 1 hour by adding 40.0 polyester polyol having an equivalent of 500 ± 100, methyl ethyl ketone 28, 26 g of butyl acetate, and 67.8 g of silicon earth. After the second milling, the contents are removed from the ball mill into the mixing tank.
볼 밀에 1-메톡시프로필 아세테이트-2를 38g 가하여 볼밀을 세척하여 혼합탱크를 빼낸다. 혼합탱크에 프리믹서기를 장착하여 교반을 행하면서 디메틸폴리실록산 변성 폴리에테르 0.4g 디메틸 폴리실록산 코폴리머 변성 폴리에테르 3.2g, 디부틸틴디라우레이트를 1-메톡시 프로필 아세테이트-2에 2%로 용해시킨 용액 1.6g을 가하여 5분간 저속교반후 1500±300rpm의 속도로 10분∼1시간동안 교반시킨다.38 g of 1-methoxypropyl acetate-2 was added to the ball mill, and the ball mill was washed to remove the mixing tank. A solution obtained by dissolving 3.2 g of dimethyl polysiloxane copolymer-modified polyether and 3.2 g of dibutyl tin dilaurate in 2% of 1-methoxy propyl acetate-2 while attaching a premixer to a mixing tank while stirring. 1.6 g is added, and the mixture is stirred for 5 minutes at low speed and stirred at a speed of 1500 ± 300 rpm for 10 minutes to 1 hour.
성분 B는 1-메톡시 프로필아세테이트-2/크실렌(1 : 1)에 고형분 75%로 녹아있는 헥사메틸렌 디이소시아네이트 프리폴리머 용액으로 1.07±0.15g/cm3의 비중 255±15의 당량, 16.5±2.5의 이소시아네이트 함량을 가진 것으로 성분 A의 조성물 4부피분에 대하여 1부피분의 성분 B를 첨가하여 도장하며, 건조된 도막은 50±10마이크론이 되도록 한다.Component B is a solution of hexamethylene diisocyanate prepolymer dissolved in 75% solids in 1-methoxy propylacetate-2 / xylene (1: 1) with a specific gravity of 1.07 ± 0.15 g / cm 3 , equivalent to 255 ± 15, and 16.5 ± 2.5 1 part of component B is added to 4 parts of the composition of component A with an isocyanate content of and the dried coating film is 50 ± 10 microns.
실시예 2,3,4Examples 2,3,4
수지의 조합 및 첨가제량은 실시예 1과 같고, 용매는 점도를 맞추기 위해 약간의 가감이 있으며, 안료의 배합비율을 변경한 점을 제외하고는 실시예 1과 동일하게 실시하였다.The combination and the amount of the additives of the resin were the same as in Example 1, the solvent was slightly added or decreased in order to match the viscosity, and the same procedure as in Example 1 was carried out except that the mixing ratio of the pigment was changed.
[표 Ⅳ] 실시예 2,3,4,5TABLE IV Examples 2,3,4,5
실시예 1∼5를 포함한 본 발명의 조성물의 조성특성 및 도막의 특성은 다음과 같다.Compositional properties and coating film properties of the composition of the present invention including Examples 1 to 5 are as follows.
성분 A의 특성을 표 Ⅴ에 나타내었다.The properties of component A are shown in Table V.
[표 Ⅴ] 성분 A(폴리에스테르)특성TABLE V Component A (Polyester) Properties
성분 B의 특성은 표 Ⅵ에 나타내었다.The properties of component B are shown in Table VI.
[표 Ⅵ] 성분 B(이소시아네이트)특성Table VI Component B (Isocyanate) Properties
각 색상은 표 Ⅶ에 나타난 특수정량 필요조건을 갖는다.Each color has the special weighing requirements shown in Table VII.
총고형분, 안료고형분, 그리고 전색제 고형분은 성분 A의 무게에 대한 백분율이다.Total solids, pigment solids, and colorant solids are a percentage of the weight of component A.
체질안료분은 안료분의 무게에 대한 백분율이다.The extender pigment fraction is a percentage of the weight of the pigment fraction.
[표 Ⅶ] 특수정량 필요조건[Table VII] Special Weighing Requirements
상술한 성분 A와 성분 B의 시험방법은 다음과 같다.The test method of component A and component B mentioned above is as follows.
성분 A의 시험방법Test Method of Component A
-총고형분(5) : KS M2113Total solids (5): KS M2113
-안료분(%) : KS M2111Pigment content (%): KS M2111
-전색제분(%) : KS M2112Whole Color Milling (%): KS M2112
-체질안료분(%안료증) : KS M2111Constitutional pigment (% pigment): KS M2111
-무수프탈산(불휘발 전색제의 무게%) : KS M4311Phthalic anhydride (% by weight of nonvolatile developer): KS M4311
-수분(%) : KS M2261Moisture (%): KS M2261
-조립자 및 피막질(안료중%) : KS M2152-Assembler and film (% of pigment): KS M2152
-주도(K,U) : KS M2122-Led (K, U): KS M2122
-연화도(NS) : KS M2141Softening degree (NS): KS M2141
성분 B의 시험방법Test Method of Component B
-총고형분 : KS M2113Total Solids: KS M2113
-점도(가드너관) : KS M2121Viscosity (Gardner tube): KS M2121
-이소시아네이트함량(%) : ASTM D2369Isocyanate Content (%): ASTM D2369
본 발명은 성분 A와 성분 B의 2액형으로 이루어져 있으며, 도료를 사용시 4부피분의 성분 A와 1부피분의 성분 B를 혼합하여 10분이상 방치후 사용한다. 필요시 혼합된 도료에 지정된 희석제를 가하여 사용할 수 있다.The present invention consists of a two-component type of component A and component B, and when the paint is used, the mixture of component A of 4 parts and component B of 1 volume is used after being left for 10 minutes or more. If necessary, the designated diluent may be added to the mixed paint.
건조도막두께가 50±10마이크론이 되도록 도장해야 충분한 위장특성 및 화학작용제 저항성을 나타낸다.Coatings with a dry film thickness of 50 ± 10 microns provide sufficient gastrointestinal and chemical agent resistance.
혼합된 도료는 다음과 같은 특성을 나타낸다.The mixed paint has the following characteristics.
은폐력 : 항공기 적색-최소 0.94Concealment: Aircraft Red-Min 0.94
항공기백색, 항공기황색-최소 0.92Aircraft White, Aircraft Yellow-Min 0.92
기타 색상-최소 0.98Other colors-min 0.98
*시험방법-KS M3111* Test Method-KS M3111
건조시간 : 지촉건조(분) : 최대 30Drying time: Dry touch (minutes): up to 30
고화건조(시간) : 최대 3Solidification drying (hours): up to 3
경화건조(시간) : 최대 4Hardening drying (hours): up to 4
*시험방법-KS M2512* Test Method-KS M2512
광택도Glossiness
모든 위장색과 암사암색 : 60°-최대 1.0All camouflage and sandstone colors: 60 ° -max 1.0
85°-최대 3.585 °-up to 3.5
항공기 녹색과 항공기내부흑색 : 60°-최대 0.5Aircraft Green and Aircraft Black: 60 °-Max 0.5
85°-1.085 ° -1.0
기타 항공기색상과 올리브드래브 : 60°-3.0Other aircraft colors and olive drapes: 60 ° -3.0
85°-8.085 ° -8.0
*시험방법-KS M3312* Test Method-KS M3312
혼합특성 : 부드럽고 균일한 혼합물이 되며, 모래, 알갱이, 피막질 또는 덩어리가 없고 8시간 경과후 겔화현상이 없다.Mixing characteristics: It is a soft and uniform mixture, and there is no sand, grains, coatings or lumps, and no gelation phenomenon after 8 hours.
*시험방법 : 국방규격 8010-1047잠(연)의 4. 3. 13항* Test method: 4. 3. 13 of National Defense Standard 8010-1047
분무도장성 : 모든점에서 만족스럽게 분무도장되며, 흐름, 처짐, 줄무늬현상이 없다. 건조된 도막은 머저, 얼룩 또는 색분리가 없어 평활하고 무광택도막이다.Spray coating property: Spray coating satisfactorily in all points, and there is no flow, sag and streaking. The dried coating is smooth and matte because there is no merge, stain or color separation.
*시험방법 : KS M2412* Test Method: KS M2412
붓작업성 : 도료는 만족스럽게 붓작업이 되어 작업시 흐름, 처짐, 줄무늬가 없고, 마른도막은 가루, 얼룩무늬, 탈색 또는 좁쌀등이 없다.Paintability: The paint is satisfactorily brushed, so there is no flow, sag, or streaks in the work, and the dry paint does not have powder, stains, discoloration or millet.
*시험방법 : KS M2411* Test Method: KS M2411
내굴곡성 : KS M3331 및 국방규격 8010-1047잠(연)의 4. 3. 16항 시험시 도료는 1/4인치 맨드렐위에서 구부렸을때 균열 및 떨어짐이 없다.Flexibility: In test 4. 3. 16 of KS M3331 and National Defense Standard 8010-1047 Zam, the paint is free from cracking and falling off when bent over a 1/4 inch mandrel.
재도장성 : 국방규격 8010-1047잠(연)의 4. 3. 17항에 따라 시험시 떨어짐, 연해짐, 울퉁불퉁한 것이 없다.Repaintability: No drop, softening or bumpy test when tested according to 4.3.3.17 of National Defense Standard 8010-1047.
내수성 : ASTM D1308에 따라 시험시 도료는 23°±1.0℃의 증류수에서 168시간동안 담근후 시험시 주름이나 기포가 없고, 표백이나 연해짐이 없다.Water resistance: When tested according to ASTM D1308, the paint is immersed in distilled water at 23 ° ± 1.0 ° C for 168 hours, and there are no wrinkles or bubbles in the test, and there is no bleaching or softening.
내탄화수소성 : ASTM D1308의 6. 4항에 따라 TT-S-735, Ⅲ형에 일치하는 탄화수소용액(이소옥탄 : 톨루엔=70 : 30)에 168시간동안(23±1℃)담근후 시험시 주름이나 기포가 없고, 2시간 후에는 연해짐, 백화현상이 없다.Hydrocarbon resistance: After immersion for 168 hours (23 ± 1 ℃) in a hydrocarbon solution (isooctane: toluene = 70: 30) conforming to TT-S-735, III according to Clause 6.4 of ASTM D1308 No bubbles, softening after 2 hours, no bleaching.
내산성 : 도료의 표면에 10% 식초산용액을 3∼5ml 떨어뜨려 1시간동안 방치후 물로 씻어 건조시켰을 때 기포가 없고 원색에서 색상변화가 없다.Acid resistance: When 3 ~ 5ml of 10% vinegar acid solution is dropped on the surface of paint and left for 1 hour, washed with water and dried, there is no bubble and color change from primary color.
촉진내후성 : ASTM G26의 방법 A, BH형에 따라 300시간동안 검사시 균열, 쵸킹, 접착력감소 또는 60°및 85°광택도의 증가가 없고, 색상변화 2.5NBS이내이다.Accelerated Weathering: According to ASTM A G26, Method A, BH, no crack, choking, loss of adhesion or increase of 60 ° and 85 ° gloss when tested for 300 hours and within 2.5NBS of color change.
DS-2 저항성 : 국방규격 8010-1047잠(연)의 4. 3. 23항에 따라 시험한다. 도료를 분무도장하여 시편을 24시간 자연건조후 105±2℃에서 24시간동안 굽는다.DS-2 resistance: Test according to 4.2.3 23 of National Standard 8010-1047. Spray paint and bake the specimens for 24 hours at 105 ± 2 ℃ after naturally drying for 24 hours.
시편을 실온에서 냉각시키고 시편 표면위에 DS-2 시약을 한방울에 1/2ml 정도로 2방울 떨어뜨린다.Cool the specimen at room temperature and add 2 drops of DS-2 reagent on the surface of the specimen.
덮지않고 30분동안 유지시킨 후 물로 충분히 세척한 후 즉시 시험했을 때 부풀음, 주름 및 도막의 연해짐이 없다.It is kept uncovered for 30 minutes, washed thoroughly with water, and immediately tested for no swelling, wrinkles and softening of the coating.
건조후, 시험하지 않은 시편의 부분을 시험한 부분과 비교했을때 색상이 변화가 최대 2.5NBS이내이다.After drying, the color change is less than 2.5 NBS when compared to the tested part of the untested part.
화학작용제 저항성 : 국방규격 8010-1047잠(연)의 항목 4. 3. 24에 따라 한 도막은 화학작용제 GD(Pinacolymethyl Phosphonofluor-idat 마이크로그램(μg)이상 방출하지 않는다.Chemical Agent Resistance: According to item 4. 3.24 of Defense Standard 8010-1047 ZAM, one coating does not emit more than microgram (μg) of chemical agent GD (Pinacolymethyl Phosphonofluor-idat).
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KR20020052624A (en) * | 2000-12-26 | 2002-07-04 | 양재신 | urethane paint |
KR100819915B1 (en) * | 2007-10-09 | 2008-04-08 | (주)동하 | Composition of coating for protecting corrosion |
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KR20020052624A (en) * | 2000-12-26 | 2002-07-04 | 양재신 | urethane paint |
KR100819915B1 (en) * | 2007-10-09 | 2008-04-08 | (주)동하 | Composition of coating for protecting corrosion |
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