KR101759227B1 - Epoxy painting composition having yellowing resistance - Google Patents
Epoxy painting composition having yellowing resistance Download PDFInfo
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- KR101759227B1 KR101759227B1 KR1020150080623A KR20150080623A KR101759227B1 KR 101759227 B1 KR101759227 B1 KR 101759227B1 KR 1020150080623 A KR1020150080623 A KR 1020150080623A KR 20150080623 A KR20150080623 A KR 20150080623A KR 101759227 B1 KR101759227 B1 KR 101759227B1
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C09D7/001—
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- C09D7/12—
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Abstract
The present invention relates to a vulcanization-modified epoxy coating composition, which comprises a base and a curing agent, the base comprising 30 to 50 parts by weight of a liquid bisphenol A epoxy resin; 1 to 3 parts by weight of a reactive diluent; 5 to 8 parts by weight of a non-reactive diluent; 4 to 6 parts by weight of a plasticizer; 0.5 to 1 part by weight of a dispersant; 0.3 to 1 part by weight of an ultraviolet stabilizer; 0.5 to 1 part by weight of an antifoaming agent; And 0.3 to 0.5 parts by weight of an anti-settling agent.
Accordingly, when the present invention is used as a flooring material, it is possible to freely use the flooring construction site not only indoors or outdoors.
Description
The present invention relates to a vulcanization-modified epoxy coating composition.
Epoxy resins react with polyamines or polyamides to provide high hardness, excellent durability, abrasion resistance and processability, and also provide a high level of adhesion to the body surface when combined with a suitable curing agent Mechanical and chemical properties, and thus it has been widely used as a material for a floor coating composition.
Such a coating composition for flooring based on an epoxy resin is suitable for a place requiring noise prevention at schools and hospitals, a place requiring vibration prevention of electronic parts and precision machinery factories, and a place requiring water resistance, abrasion resistance, In recent years, a large amount of highly volatile solvents have been used in recent years, which is more environmentally friendly than a coating composition for solvent-based epoxy flooring that can cause a serious problem to the safety of workers when working in a small space A large amount of solvent-free epoxy coating compositions capable of providing a simplification of the working process have been developed.
In this connection, the prior art for the prior art prepared for the production of the epoxy composition for the floorless material used for the flooring construction is disclosed in Korean Patent Registration No. 10-0873048 entitled " Hereinafter referred to as " prior art ").
However, conventional coating compositions for a solvent-free epoxy flooring composition, including the conventional art, have a problem in that the double bonds of the benzene ring in the molecular structure of the epoxy resin on which the composition is based are easily broken by ultraviolet rays (sunlight) And the yellowing phenomenon frequently occurs.
The yellowing due to the molecular structure deformation of the epoxy resin causes discoloration of the coating film formed by the whole coating material and causes deterioration of physical properties (excellent hardness, adhesion, mechanical properties and chemical properties) provided by the epoxy resin to the coating film.
Because of the above problems, existing coating compositions for use in epoxy-based flooring compositions have been used as indoor flooring materials because of limited use. In this case, however, And the color difference between the exposed portion of the ultraviolet ray on the entire coating film and the unexposed portion is increased, thereby deteriorating the appearance of the entire coated film.
The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a coating composition prepared by providing a solvent-free epoxy coating composition having excellent vulcanization resistance, And to provide a technology that can be used as a flooring.
In order to achieve the above object, the present invention provides a refractory modified epoxy coating composition comprising a base and a curing agent, wherein the base is a mixture of 30 to 50 parts by weight of a liquid bisphenol A epoxy resin; 1 to 3 parts by weight of a reactive diluent; 5 to 8 parts by weight of a non-reactive diluent; 4 to 6 parts by weight of a plasticizer; 0.5 to 1 part by weight of a dispersant; 0.3 to 1 part by weight of an ultraviolet stabilizer; 0.5 to 1 part by weight of an antifoaming agent; And 0.3 to 0.5 parts by weight of an anti-settling agent.
Here, the above-mentioned subject matter includes 2 to 4 parts by weight of a color pigment; And 40 to 50 parts by weight of an extender pigment.
The reactive diluent may be selected from the group consisting of Cresyl glycidyl ether, Versatic acid of glycidyl ester, PGE, Phenyl glycidyl ether, (EHGE, 2-Ethylhexyl glycidyl ether, para-tert-butylphenyl glycidyl ether, neopentyl glycol diglycidyl ether, 1,4-butanediol diglycidyl ether, and 1,4-cyclohexanedimethanol diglycidyl ether. In the present invention, at least one of 1,4-butanediol diglycidyl ether and 1,4-cyclohexanedimethanol diglycidyl ether is used.
In addition, the non-reactive diluent may be at least one of benzyl alcohol and furfuryl alcohol.
On the other hand, the curing agent comprises 30 to 40 parts by weight of a modified alicyclic amine-based curing agent; 20 to 30 parts by weight of an aliphatic amine-based curing agent; 5 to 10 parts by weight of a drying promoter; 10 to 15 parts by weight of a plasticizer; And 1 to 5 parts by weight of a non-reactive diluent.
The subject and the curing agent are mixed so that the ratio of the epoxy equivalent of the subject to the active hydrogen equivalent of the curing agent is 1: 1.
The present invention has the following effects.
First, an epoxy coating composition excellent in chemical resistance, solvent resistance, abrasion resistance, durability and vulcanization resistance can be prepared.
Secondly, when the epoxy coating composition is used as a flooring material, since the weathering resistance is excellent, the flooring construction site can be freely used indoors or outdoors, and the application range is expanded.
Third, even when applied to the outdoors where the sunlight (ultraviolet ray) is applied, the yellowing phenomenon is excellent and yellowing phenomenon occurs on the coating film due to ultraviolet rays after a long time after the formation of the coating film, can do.
The preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings, in which the technical parts already known will be omitted or compressed for the sake of brevity.
1. Explanation of epoxy-modified epoxy coating composition
The refractory-resistant epoxy coating composition of the present invention is an epoxy coating composition comprising a main agent and a curing agent, wherein the subject is a liquid bisphenol A epoxy resin; Reactive diluent; Non-reactive diluent; Plasticizers; Dispersing agent; Ultraviolet stabilizer; Defoamer; Anti-settling agents; Color pigments; And an extender pigment, wherein the curing agent is a modified alicyclic amine-based curing agent; An aliphatic amine-based curing agent; A drying promoter; Plasticizers; And a non-reactive diluent.
The refuse-resistant epoxy coating composition of the present invention is a solvent-free epoxy coating composition having a solids content of 98% or more by volume of solids prepared through a subject and a curing agent. The epoxy coating composition is environmentally friendly as compared with the solvent- It is a coating composition having strong yellowing resistance.
The bisphenol A epoxy resin, which forms the main subject, is preferably prepared in the form of a liquid, and is produced by condensation reaction between diphenylpropane (DPP) and epichlorohydrin (ECH, Epichlorohydrin) Is a diglycidyl ether type epoxy resin.
Here, the liquid bisphenol A type epoxy resin is preferably provided in an amount of 30 to 50 parts by weight. If the amount of the liquid bisphenol A type epoxy resin is less than 30 parts by weight, the crosslinking density of the coating film is lowered due to the increase of the relative diluent content, the physical properties of the coating film such as chemical resistance and hardness of the coating film become poor, The degree of viscosity is increased, and the workability and defoaming properties are lowered, resulting in a problem that the appearance of the coating film becomes poor.
The bisphenol A type epoxy resin in the liquid phase in the subject has an epoxy equivalent of 184 to 190 g / eq and preferably has a solid content of 100%. Such a liquid bisphenol A type epoxy resin may be selected from the range of known bisphenol A type epoxy resins, but not limited thereto, such as YD-128 (Kukdo Chemical Co., Ltd.).
The diluent is an element to be included in the refractory modified epoxy coating composition of the present invention to maintain a high solids content while keeping the viscosity low and to provide excellent workability.
Herein, the diluent is preferably provided in different weight parts by separating the reactive diluent and the non-reactive diluent. The reactive diluent which is included in the reaction together with the hardener having an epoxide group, which will be described below, includes cresyl glycidyl ether (EHGE, 2-Ethylhexyl glycidyl ether, 2-ethylhexyl glycidyl ether), glycidyl ether of glycidyl ether, ether, par-tert-butylphenyl glycidyl ether, neopentyl glycol diglycidyl ether, 1,4-butanediol diglycidyl ether (1 , 4-butanediol diglycidyl ether) and 1,4-cyclohexanedimethanol diglycidyl ether, and the reaction may be carried out in the presence of one or more of The non-reactive diluent that does not participate but remains in the coating and affects the physical properties may be provided by one or a combination of benzyl alcohol and furfuryl alcohol.
The reactive diluent preferably has an epoxy equivalent of 250 g / eq, and is preferably provided in 1 to 3 parts by weight. If the reactive diluent is less than 1 part by weight, the viscosity of the paint increases and the workability is deteriorated. The mechanical properties such as the hardness of the coating film deteriorate.
If the amount of the non-reactive diluent is less than 5 parts by weight, the viscosity of the paint may increase, and when the amount of the non-reactive diluent is more than 8 parts by weight, The mechanical properties are deteriorated.
It is preferable to use environmentally friendly mono styrenated phenol instead of nonylphenol, which is an environmental regulation item, but it is not limited thereto and can be selected within the range of known plasticizers.
The plasticizer is preferably 4 to 6 parts by weight. If the amount of the plasticizer is less than 4 parts by weight, the impact resistance may be lowered. If the amount of the plasticizer is more than 6 parts by weight, the surface of the coating film may rise after the coating film is dried to cause a haze phenomenon.
The dispersing agent is preferably an acidic polyester dispersing agent of the type DISPERBYK-110, DISPERBYK-118, EFKA-5010, or a combination of two or more thereof. However, , ≪ / RTI >
If the amount of the dispersing agent is less than 0.5 parts by weight, the dispersibility of the coating decreases, and when the amount of the dispersing agent is more than 1 part by weight, .
UV stabilizer is a formamidine-based ultraviolet stabilizer having excellent absorption ability at 290 to 330 nm and is used through at least one or a combination of two or more of ZIKA-SUD, ZIKA-CT, ZIKA-CUV and ZIKA-UVS3 But it is not limited thereto and can be selectively used within the range of known ultraviolet stabilizer.
If the amount of the ultraviolet light stabilizer is less than 0.3 parts by weight, the yellowing resistance is lowered. If the amount of the ultraviolet light stabilizer is more than 1 part by weight, a tacky phenomenon may occur on the coating film after drying. This is because a problem that occurs occurs.
The antifoaming agent is preferably an antifoaming agent of a polysiloxane type which is compatible with an epoxy resin and is used through at least one or a combination of two or more of BYK-052, BYK-066N, EFKA-2022 and EFKA-2023, May be selected within the range of known defoaming agents.
If the amount of the antifoaming agent is less than 0.5 parts by weight, the defoaming property is deteriorated. If the amount of the antifoaming agent is more than 1 part by weight, a crater phenomenon may occur on the surface of the coating film.
The anti-settling agent is preferably a hydrophilic fumed silica type anti-settling agent, but it is not limited to this, but it is not limited thereto. For example, the anti-settling agent may be at least one of Aerosil A300, Aerosil R-972, Aerosil A200 and Aerosil A380. Can be selected within the range of known anti-settling agents.
When the sedimentation inhibitor is less than 0.3 parts by weight, the leveling property of the coating film is improved but the storage stability of the coating composition is poor. When the amount of the sedimentation inhibitor is more than 0.5 parts by weight, the storage stability of the coating composition is improved However, there is a problem that the leveling property of the coating film becomes poor. Therefore, the anti-settling agent should be provided in an amount of 0.3 to 0.5 parts by weight, so that the storage stability of the coating material and the leveling property of the coating material can be simultaneously provided at an appropriate level.
It is preferable to use a white pigment (TiO 2 ) for 2 to 4 parts by weight in order to more easily judge and measure the degree of yellowing. If the color pigment is less than 2 parts by weight, the concealment may be lowered. If the color pigment is more than 4 parts by weight, the viscosity of the paint may be increased to lower the workability, and the mechanical properties of the paint may be deteriorated.
The extender pigment is a component for adjusting the physical properties such as fluidity and viscosity of the paint and the strength, durability and gloss control of the paint film, and it is prepared through a combination of at least one of extender pigments such as calcium carbonate, talc, silica, mica and kaolin And preferably 40 to 50 parts by weight.
This is because if the extender pigment is less than 40 parts by weight, the concealment may be lowered. If the extender pigment is more than 60 parts by weight, the viscosity of the paint may be increased to lower the workability and deteriorate the mechanical properties.
Next, the composition of the curing agent for optimizing the physical properties of the refractory modified epoxy coating composition of the present invention, which is best suited to the above-mentioned subject matter and is mixed, will be described below.
Basically, suitable curing agents for epoxy resins are aliphatic amines, aromatic amines, amides, anhydrides, polymercaptans, polysulfides, and more specifically modified Of curing agent and an adduct type of curing agent.
The modified type of curing agent may be selected from the group consisting of Aliphatic Amine Base, Ethylene Diamine, DETA, TETA, TEPA and Aliphatic Ring Amine Base Modifying agents such as MDA (Methylene Dianiline) and IPDA (Isophorone Diamine) improve the workability, deterioration of toxicity, control of pot life and adhesiveness.
KH-812, KH-815, KH-816, KH-818B, and KH-819 may be used as the modified aliphatic ring amine curing agent, and it is preferably 30 to 40 parts by weight .
If the amount of the modified alicyclic amine-based curing agent is less than 30 parts by weight, the vulcanization resistance and the initial hardness may be lowered. If the amount is more than 40 parts by weight, the working time is shortened,
In addition, the modified alicyclic amine-based curing agent in the curing agent preferably has an active hydrogen equivalent of 100 to 120 g / eq and has a solid content of 100%.
KH-500, KH-240, KH-505, and KH-602 may be used as the aliphatic amine base curing agent, and they are preferably 20 to 30 parts by weight.
If the amount of the aliphatic amine-based curing agent is less than 20 parts by weight, there may be a problem that the hardness after drying is lowered. If the amount is more than 30 parts by weight, the drying time becomes slow.
The aliphatic amine-based curing agent in the curing agent preferably has an active hydrogen equivalent of 55 to 65 g / eq and has a solid content of 100%.
As the drying promoter, DPM-30 and K-54 which are phenol (phenol) group and 2,4,6-Tris (dimethylaminomethyl) phenol having a tertiary amine group for promoting the reaction between epoxy and amine are preferably used , But are not limited to, known drying promoters that can be used to promote the reaction of epoxies and amines.
When the amount of the drying promoter is less than 5 parts by weight, the initial drying and initial hardness are lowered. When the amount of the drying promoter is more than 10 parts by weight, Lt; / RTI >
When the plasticizer is less than 10 parts by weight, the impact resistance of the coating film is deteriorated. When the plasticizer is more than 15 parts by weight, the mechanical properties of the coating film may be deteriorated.
The non-reactive diluent in the curing agent may be used in combination of one or both of benzyl alcohol and furfuryl alcohol, preferably 1 to 5 parts by weight.
This is because if the amount of the non-reactive diluent in the hardener is less than 1 part by weight, the viscosity of the paint increases, and if the amount is more than 5 parts by weight, the mechanical properties such as hardness of the coating film may deteriorate.
That is, the refractory modified epoxy coating composition of the present invention comprises 30 to 50 parts by weight of a liquid bisphenol A epoxy resin; 1 to 3 parts by weight of a reactive diluent; 5 to 8 parts by weight of a non-reactive diluent; 4 to 6 parts by weight of a plasticizer; 0.5 to 1 part by weight of a dispersant; 0.3 to 1 part by weight of an ultraviolet stabilizer; 0.5 to 1 part by weight of an antifoaming agent; 0.3 to 0.5 parts by weight of an anti-settling agent; 2 to 4 parts by weight of a color pigment; 30 to 40 parts by weight of a subject and modified alicyclic amine-based curing agent comprising 40 to 50 parts by weight of an extender pigment; 20 to 30 parts by weight of an aliphatic amine-based curing agent; 5 to 10 parts by weight of a drying promoter; 10 to 15 parts by weight of a plasticizer; And 1 to 5 parts by weight of a non-reactive diluent.
In addition, the subject and the curing agent in the refuse-resistant epoxy coating composition of the present invention provided with such a constitution and content are mixed so that the ratio of the epoxy equivalent of the subject to the active hydrogen equivalent of the curing agent is 1: 1, A liquid bisphenol A type epoxy resin having an epoxy equivalent of 184 to 190 g / eq and an epoxy equivalent of 250 g / eq in order to improve adherence, durability, and chemical resistance to the underlying layer, And a curing agent comprising a modified alicyclic amine-based curing agent having an active hydrogen equivalent of 100 to 120 g / eq and an aliphatic amine-based curing agent having an active hydrogen equivalent of 55 to 65 g / eq, The ratio of the active hydrogen equivalent to the active hydrogen equivalent is 1: 1.
2. Description of coating properties of epoxy-modified epoxy coating composition
The properties of each coating film formed by providing the internal-sulfur-modified epoxy coating composition according to the present invention in various embodiments were measured by various experimental methods as follows. The following experimental methods were used for the purpose of defining the properties of the device by self-evident means.
Therefore, the embodiments described below can be applied to various components of the refractory modified epoxy coating composition of the present invention in various mixing ratios, to solve the problem of the coating film formed by the existing epoxy coating composition, And is a preferred embodiment configured to verify an appropriate compounding ratio capable of providing denaturation.
First, various experimental methods for measuring physical properties of the coating film are as follows.
(1) Outdoor Exposure Experiment: Exposure to outdoor exposed to ultraviolet rays (sunlight) after 2 days of drying at room temperature (15 to 20 ° C) (before complete drying) on a plastic panel having a thickness of 3 mm or more and coating 3 mm (Difference value of the color difference changed based on the initial color) and? Y value (difference value of the degree of yellowing changed based on the degree of the initial yellowing) according to ASTM E313 after 1 day, 14 days, 21 days, Value) was measured.
(2) Sulfur denaturation test using a UV irradiator: A UV lamp (condition: 160W / 2Lamps / sec) was applied to a plastic panel having a thickness of 3 mm or more and coated with a coating composition of 3 mm and dried at room temperature (15 to 20 ° C) 20 times / 14m / min), the value of ΔE (the value of the difference of the color changed based on the initial color) and the value of ΔY (the value of the difference in degree of yellowing changed based on the degree of the initial yellowing) by ASTM E313 Respectively.
The formulation formulations of Examples 1 to 3 and Comparative Examples of the internal resistance-modifiable epoxy coating composition are as shown in Table 1 below.
- Reactive diluent (glycidyl ester of versatile acid): Cardura E10 (MOMENTIVE)
- Non-reactive diluent: Benzyl Alcohol
- Mono Styrenated Phenol: KUMANOX-3110 (KKPC)
- Dispersant (acidic polyester): EFKA-5010 (EFKA)
- Anti-settling agent (hydrophilic dry silica type): AEROSIL 200 (EVONIK)
- Defoamer (polysiloxane type): BYK-066N (BYK)
- Ultraviolet stabilizer: ZIKA-UVS3 (ZICO)
- Color Pigment: White Pigment
- Extention Pigment: Calcium Carbonate
- Modified alicyclic amine resin: KH-816 (Kukdo Chemical)
- Aliphatic amine resin: D-230 (HUNTSMAN)
- Drying accelerator: ANCAMINE K-54 (AIR PRODUCTS)
The epoxy coating compositions were prepared by mixing the epoxy-equivalent and active-hydrogen equivalent ratios of the subject and curing agents of Examples 1 to 3 and Comparative Examples prepared in the form of formulation shown in Table 1 to 1: 1, And the coating film denaturization was measured by various experimental methods described above. The results are shown in Table 2 below.
expose
The results of Table 2 show that the roundness was greater in the outdoor exposure test than in the case of using the UV irradiator, and the coating film formed through the vulcanization-modified epoxy coating composition of Examples 1 to 3 had a And Examples 1 to 3 were found to be the most appropriate among the blending ratios of each of the internal sulfur-modified epoxy coating compositions of the present invention.
That is, as can be seen from the results of the vulcanization denaturation test shown in Table 2, not only excellent physical properties such as chemical resistance, solvent resistance, abrasion resistance and adhesion force, which are characteristic of epoxy resin, but also excellent vulcanization resistance, And an indoor sunlight exposure space can be used as a bottom material of a general building without restriction, such as a mixture of 30 to 50 parts by weight of a liquid bisphenol A epoxy resin as in Examples 1 to 3; 1 to 3 parts by weight of a reactive diluent; 5 to 8 parts by weight of a non-reactive diluent; 4 to 6 parts by weight of a plasticizer; 0.5 to 1 part by weight of a dispersant; 0.3 to 1 part by weight of an ultraviolet stabilizer; 0.5 to 1 part by weight of an antifoaming agent; 0.3 to 0.5 parts by weight of an anti-settling agent; 2 to 4 parts by weight of a color pigment; And 40 to 50 parts by weight of an extender pigment; 30 to 40 parts by weight of a subject and modified alicyclic amine-based curing agent; 20 to 30 parts by weight of an aliphatic amine-based curing agent; 5 to 10 parts by weight of a drying promoter; 10 to 15 parts by weight of a plasticizer; And 1 to 5 parts by weight of a non-reactive diluent are mixed so that the ratio of epoxy equivalents to active hydrogen equivalents is 1: 1. Thus, it can be confirmed that the optimum required properties can be satisfied.
Accordingly, the refractory modified epoxy coating composition of the present invention maintains the physical property characteristics of the epoxy coating composition as it is, but is further improved as compared with the conventional epoxy coating composition used as a flooring to provide a high level of refractory denaturation, It is possible to perform the flooring construction work without any concern about the occurrence of yellowing phenomenon anywhere, indoors or outdoors.
The embodiments disclosed in the present invention are not intended to limit the scope of the present invention but to limit the scope of the technical idea of the present invention. The scope of protection is to be construed in accordance with the following claims, and all technical ideas within the scope of equivalents thereof should be construed as being included in the scope of the present invention.
Claims (6)
The above-
30 to 50 parts by weight of a liquid bisphenol A epoxy resin;
1 to 3 parts by weight of a reactive diluent;
5 to 8 parts by weight of a non-reactive diluent;
4 to 6 parts by weight of a plasticizer;
0.5 to 1 part by weight of a dispersant;
0.3 to 1 part by weight of an ultraviolet stabilizer;
0.5 to 1 part by weight of an antifoaming agent; And
0.3 to 0.5 parts by weight of an anti-settling agent,
The curing agent,
30 to 40 parts by weight of a modified alicyclic amine-based curing agent;
20 to 30 parts by weight of an aliphatic amine-based curing agent;
5 to 10 parts by weight of a drying promoter;
10 to 15 parts by weight of a plasticizer; And
1 to 5 parts by weight of a non-reactive diluent
A tamper resistant epoxy coating composition.
The above-
2 to 4 parts by weight of a color pigment; And
40 to 50 parts by weight of an extender pigment;
A tamper resistant epoxy coating composition.
The reactive diluent may be selected from the group consisting of Cresyl glycidyl ether, Versatic acid of glycidyl ester, PGE, Phenyl glycidyl ether, 2-ethylhexyl glycidyl ether, Ethylhexyl glycidyl ether, par-tert-butylphenyl glycidyl ether, neopentyl glycol diglycidyl ether, 1, 2-ethylhexyl glycidyl ether, (1,4-butanediol diglycidyl ether) and 1,4-cyclohexanedimethanol diglycidyl ether (1,4-cyclohexanedimethanol diglycidyl ether). doing
A tamper resistant epoxy coating composition.
Wherein the non-reactive diluent is at least one of benzyl alcohol and furfuryl alcohol.
A tamper resistant epoxy coating composition.
Characterized in that the subject and the curing agent are mixed such that the ratio of the epoxy equivalent of the subject to the active hydrogen equivalent of the curing agent is 1:
A tamper resistant epoxy coating composition.
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| KR102189124B1 (en) * | 2018-11-28 | 2020-12-09 | 조광페인트주식회사 | Composite epoxy coating composition |
| KR102296628B1 (en) * | 2019-09-02 | 2021-09-01 | 주식회사 케이씨씨 | Epoxy Coating Composition |
| CN113355004B (en) * | 2020-03-06 | 2022-05-24 | Ｋｃｃ公司 | Solvent-free epoxy coating composition and marine structure having coating film thereof |
| KR102443779B1 (en) * | 2020-09-10 | 2022-09-19 | 조광페인트주식회사 | Paint composition for floor |
| KR102573844B1 (en) * | 2023-04-05 | 2023-09-01 | 주식회사 삼성에코텍 | Method and material for preparing adhesive |
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| KR100873048B1 (en) | 2008-03-27 | 2008-12-09 | (주)카스종합건축사사무소 | Solvent free epoxy paint composition for flooring system and construction method using same |
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| KR100873048B1 (en) | 2008-03-27 | 2008-12-09 | (주)카스종합건축사사무소 | Solvent free epoxy paint composition for flooring system and construction method using same |
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