WO2016182259A1 - 분체 도료용 잠재성 경화제 및 이를 포함하는 에폭시 분체 도료 조성물 - Google Patents
분체 도료용 잠재성 경화제 및 이를 포함하는 에폭시 분체 도료 조성물 Download PDFInfo
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- WO2016182259A1 WO2016182259A1 PCT/KR2016/004690 KR2016004690W WO2016182259A1 WO 2016182259 A1 WO2016182259 A1 WO 2016182259A1 KR 2016004690 W KR2016004690 W KR 2016004690W WO 2016182259 A1 WO2016182259 A1 WO 2016182259A1
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- WIPO (PCT)
- Prior art keywords
- curing agent
- powder coating
- latent curing
- imidazole
- coating composition
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/182—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing using pre-adducts of epoxy compounds with curing agents
- C08G59/184—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing using pre-adducts of epoxy compounds with curing agents with amines
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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
- C09D5/03—Powdery paints
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/56—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/5046—Amines heterocyclic
- C08G59/5053—Amines heterocyclic containing only nitrogen as a heteroatom
- C08G59/5073—Amines heterocyclic containing only nitrogen as a heteroatom having two nitrogen atoms in the ring
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/62—Alcohols or phenols
- C08G59/621—Phenols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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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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- 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
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—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
- 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
Definitions
- the present invention relates to a latent curing agent for powder coatings and an epoxy powder coating composition comprising the same. More particularly, the present invention is prepared by hot blending an addition reaction product of imidazole, amino alcohol and epoxy resin with a phenol curing agent resin, Potential for powder coating, which can secure the latent by suppressing the reactivity of the curing agent, can provide improved coating appearance and bend resistance when applied to the powder coating as a curing agent, and can improve paint manufacturing workability. It relates to a curing agent and an epoxy powder coating composition comprising the same.
- U.S. Patent No. 4250293 discloses a latent curing agent which salts amines of bisphenol-A (BPA) and dimethylaminopropylamine (DMAPA) and an epoxy powder coating composition to which the same is applied.
- BPA bisphenol-A
- DMAPA dimethylaminopropylamine
- U. S. Patent No. 6184273 discloses a latent curing agent produced by the reaction of a cyclic anhydride with a polyamine, and a coating composition using the curing agent and a carbonated epoxy resin.
- US Pat. No. 6,659,494 discloses an epoxy powder composition for clear coat using a dicyandiamide (DICY) latent curing agent.
- DIY dicyandiamide
- the present invention can secure the latent by suppressing the reactivity of the phenol curing agent, can provide improved coating appearance and bend resistance when applied to the powder coating material as a curing agent, and can also improve the workability of coating production. It is a technical problem to provide a latent hardener for powder coatings, and an epoxy powder coating composition containing the same.
- the present invention provides a latent curing agent prepared by hot blending the addition reaction product (adduct) of the imidazole, amino alcohol and epoxy resin with the phenol curing agent resin.
- an epoxy resin as a subject; And the latent curing agent described above is provided.
- a coated article preferably a pipe or rebar
- a coating film formed from the powder coating composition described above.
- the latent curing agent and the powder coating composition comprising the same according to the present invention can provide improved coating appearance and bend resistance, and thus can be particularly suitably used for fast curing type coating of materials such as pipes or rebars.
- the latent curing agents of the present invention are prepared by hot blending the adducts of imidazole, aminoalcohol and epoxy resins with phenolic curing agent resins.
- imidazole having one or more active hydrogens may be used.
- one or more kinds represented by the following Chemical Formula 1 may be used.
- R1 and R2 are the same as or different from each other, and represent a hydrogen, alkyl (eg C 1 -C 6 alkyl) or aryl (eg C 6 -C 18 aryl) group.
- the imidazole may be one selected from 2-methylimidazole, 2-phenylimidazole, 2-ethyl-4-methylimidazole and mixtures thereof. More preferably 2-methylimidazole is used.
- an amine compound having at least one hydroxyalkyl group may be used, and specifically, a monoalkanolamine (more specifically, a mono (C 1 -C 6 ) alkanolamine Such as N-methylethanolamine), dialkanolamines (more specifically di (C 1 -C 6 ) alkanolamines such as diethanolamines), trialkanolalkanesamines (more specifically tri (C 1 -C 6) ) Alkanols (C 1 -C 6 ) alkanamines such as trimethylol aminomethane) and mixtures thereof can be used. More specifically, diethanolamine is used.
- a bisphenol A type or bisphenol F type epoxy resin may be used, and an equivalent thereof may be 100 to 1500 specifically. More specifically, a liquid epoxy resin having an equivalent weight of 100 to 300, a solid epoxy resin having an equivalent weight of 400 to 1500, or a mixture thereof may be used, and more specifically, a liquid epoxy resin having an equivalent weight of 150 to 250 may be used. have.
- the amount of these components used in the preparation of the addition reaction products of imidazole, aminoalcohol and epoxy resin for example, based on 100 parts by weight of the total of imidazole, aminoalcohol and epoxy resin, the imidazole is 10 to 30% by weight. Parts (more specifically 15 to 25 parts by weight), aminoalcohol 5 to 20 parts by weight (more specifically 10 to 15 parts by weight), and epoxy resins 50 to 80 parts by weight (more specifically 60 to 75 parts) Parts by weight).
- the equivalent ratio of imidazole to aminoalcohol used may be the same or more than the imidazole equivalent of aminoalcohol equivalent, for example, imidazole equivalent: aminoalcohol equivalent may be 3: 1 to 1: 3, but is not limited thereto. It doesn't happen. If the imidazole equivalent is higher than the above range, there may be a problem that the curing rate is faster and the potential is inferior, and the amount of liquid amino alcohol is relatively small so that the solid imidazole is dissolved during the addition reaction with the epoxy resin. In order to do this, more solvent is needed. On the contrary, if the imidazole equivalent is lower than the above range, there may be a problem that the curing rate is lowered.
- the addition reaction of imidazole, aminoalcohol and epoxy resin is exothermic and can therefore be carried out in a suitable solvent.
- Usable solvents may be selected from polar solvents such as alcohols and nonpolar solvents such as toluene and xylene and mixtures thereof.
- the addition reaction of imidazole, aminoalcohol and epoxy resin may be carried out under elevated temperature (eg, elevated temperature within a temperature range of 90 to 120 ° C).
- the phenol curing agent resin may be prepared by the reaction of a phenol compound and an epoxy resin, the molecular weight may be, for example 200 to 1000, more specifically 400 to 800.
- a phenol compound may be selected from bisphenol A (BPA), bisphenol F (BPF) and mixtures thereof, and may be the same as described above for the epoxy resin.
- the amount of the phenol compound and the epoxy resin used in the preparation of the phenol curing agent resin is 40 to 80 parts by weight (more specifically, 50 to 70 parts by weight based on a total of 100 parts by weight of the phenol compound and the epoxy resin). Parts), and the epoxy resin may be used in an amount of 20 to 60 parts by weight (more specifically, 30 to 50 parts by weight).
- the reaction of the phenol compound and the epoxy resin can be carried out in the presence of a suitable catalyst.
- Catalysts that can be used include phosphorus based catalysts (eg, ethyltriphenylphosphonium bromide, ethyltriphenylphosphonium iodide, etc.), amine based catalysts (eg, 2-ethyl-4-methylimidazole, etc.) and mixtures thereof. Can be selected.
- the reaction of the phenol compound and the epoxy resin may be performed at elevated temperature (eg, 120 to 200 ° C).
- the latent curing agent of the present invention is prepared by hot blending the addition reaction product of the imidazole, aminoalcohol and epoxy resin with the phenolic curing agent resin.
- the amount of the phenol curing agent resin that is hot blended with respect to 100 parts by weight of the addition reaction product of the imidazole, the amino alcohol and the epoxy resin may be, for example, 100 to 150 parts by weight, more specifically 110 to 140 parts by weight, but is not limited thereto.
- Hot blending of the addition reaction product of imidazole, aminoalcohol and epoxy resin with the phenolic curing agent resin can be carried out, for example, at 80 to 200 ° C. Solvent remaining in the mixture during or after hot blending can be removed to obtain a latent curing agent in powder form of 99% or more solids.
- a powder coating composition comprising, as a subject, an epoxy resin and the latent curing agent of the present invention described above.
- an epoxy equivalent of 800 to 1200 (more specifically, 900 to 1000) can be used, and specifically, a bisphenol A type epoxy resin and a bisphenol F type epoxy One selected from resins and mixtures thereof can be used.
- the amount of the main epoxy resin included in the powder coating composition of the present invention may be, for example, 40 to 80 parts by weight, more specifically 50 to 70 parts by weight based on 100 parts by weight of the coating composition.
- the amount of the latent curing agent included in the powder coating composition of the present invention may be, for example, 5 to 20 parts by weight, and more specifically 8 to 15 parts by weight based on 100 parts by weight of the coating composition.
- the powder coating composition of the present invention is characterized by including the latent curing agent described above as a curing agent, but this does not mean that the use of other curing agents is excluded. That is, the powder coating composition of the present invention may further include an existing powder coating agent (for example, a phenol curing agent) as needed within the range capable of achieving the object of the present invention, in addition to the latent curing agent described above. .
- an existing powder coating agent for example, a phenol curing agent
- the powder coating composition of the present invention may further include one or more additives (eg, pigments, flow improvers, fillers, etc.) that are commonly used in powder coatings in amounts of those levels that are commonly used. .
- additives eg, pigments, flow improvers, fillers, etc.
- the method for producing the powder coating composition of the present invention can be prepared by using a conventional powder coating method and equipment as it is or by modifying it as appropriate.
- the powder coating compositions of Examples and Comparative Examples were prepared using the components shown in Table 1, respectively.
- the examples used latent curing agents prepared in Preparation Examples, and the comparative examples used conventional phenol curing agents.
- a premix process was performed to dry mix to maintain.
- the raw material pre-dispersed through the first step process was carried out melt-dispersion at a temperature of 90 to 120 °C using a disperser (PKK 46, Bussa).
- the melt mixed raw materials were passed through a cooling roll and a cooling belt to prepare chips having a size of 50 to 100 mm and a thickness of 1 to 5 mm.
- melt-dispersed chip through the two-step process was mechanically ground using a grinder (hammer mill) (average particle size: 40 to 60 ⁇ m).
- Curing Agent (1) Phenolic Curing Agent of Production Example 2
- Curing agent (2) latent curing agent of Preparation Example 3
- Pigment (1) Colored Pigment / Biperox 130M (Bayer)
- Pigment (2) colored pigment / seed-80 (Ishihara)
- Each of the powder coating compositions of Examples and Comparative Examples was coated to a thickness of 200 to 500 ⁇ m with an electrostatic spray sprayer, while preheating the pre-blasted 19 mm diameter rebar base to 180 to 250 ° C. Thereafter, the coated steel bar was left at room temperature for about 1 minute, and immediately deposited in cold water to form a final coating film.
- the following items were measured and evaluated for the coated specimen and powder coating, and the results are shown in Table 2.
- the blasted reinforcement is measured for cracking of the coating when the specimen is bent using a 114 mm mandrel in a flexural tester.
- ⁇ Tg The powder coating is uniformly applied to a thickness of 300 to 400 ⁇ m on a hot plate at a temperature of 232 ° C. 30 seconds after the applied powder coating forms a coating, the coating is taken out and deposited in cold water.
- [Delta] Tg is obtained from the collected coating film by using a differential scanning calorimeter (DSC). The smaller ⁇ Tg, the better.
- Test strips are made by drilling a 3 mm diameter hole in the coated rebar base. A 3.5 inch diameter cylinder was filled with 3% NaCl solution, and the platinum wire and test body were immersed. Then, a voltage of 1.5 V was applied to the platinum wire and the test base for 7 days. After 7 days, remove the body and scratch it until the body is exposed with 8 radial knives around the 3 mm hole that was initially drilled. Push the knife between the coating film and the base around the peeling area of the film to measure the adhesion according to the principle of lever. Average the lengths. The shorter average length is better. The range obtained by repeating several times is shown in Table 2.
- the curing start temperature of the embodiment is 130.15 ° C
- the comparative example is 110.72 ° C.
- the shift start temperature of the powder coating applied with the latent curing agent is shifted to a higher temperature, which delays the hardening that may occur instantaneously when the powder coating is applied to the preheated (180 to 250 ° C) coating.
- the wetting of the paint on the workpiece can be improved (ie, there is a time margin to be permeable), which leads to excellent adhesion, flexibility and appearance of the paint.
- the heat generation amount is higher in the Example, and ⁇ Tg is close to 0 when compared with the Comparative Example.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
- Epoxy Resins (AREA)
Abstract
Description
Claims (7)
- 이미다졸, 아미노알코올 및 에폭시 수지의 부가 반응 생성물을 페놀 경화제 수지와 핫 블렌딩하여 제조되는 잠재성 경화제.
- 제2항에 있어서, 이미다졸이 2-메틸이미다졸, 2-페닐이미다졸, 2-에틸-4-메틸이미다졸 및 이들의 혼합물로부터 선택되는 잠재성 경화제.
- 제1항에 있어서, 아미노알코올이 모노알칸올아민, 디알칸올아민, 트리알칸올알칸아민 및 이들의 혼합물로부터 선택되는 잠재성 경화제.
- 제1항에 있어서, 이미다졸 당량:아미노알코올 당량이 3:1 내지 1:3인 잠재성 경화제.
- 제1항에 있어서, 핫 블렌딩이 80 내지 200℃에서 수행되는 잠재성 경화제.
- 주제로서 에폭시 수지; 및제1항 내지 제6항 중 어느 한 항에 따른 잠재성 경화제;를 포함하는 분체 도료 조성물.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2017135074A RU2676286C1 (ru) | 2015-05-08 | 2016-05-04 | Скрытый отвердитель порошкового покрытия и композиция эпоксидного порошкового покрытия, содержащая его |
| CN201680022384.4A CN108633281B (zh) | 2015-05-08 | 2016-05-04 | 粉体涂料用潜伏性固化剂及包括它的环氧粉体涂料组合物 |
| US15/571,608 US10683386B2 (en) | 2015-05-08 | 2016-05-04 | Powder coating latent curing agent, and epoxy powder coating composition containing same |
| SA517390224A SA517390224B1 (ar) | 2015-05-08 | 2017-10-24 | عامل تصلب مسحوق طلاء كامن، وتركيبة طلاء مسحوق إيبوكسي تحتوي عليه |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150064704A KR101741652B1 (ko) | 2015-05-08 | 2015-05-08 | 분체 도료용 잠재성 경화제 및 이를 포함하는 에폭시 분체 도료 조성물 |
| KR10-2015-0064704 | 2015-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016182259A1 true WO2016182259A1 (ko) | 2016-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/KR2016/004690 Ceased WO2016182259A1 (ko) | 2015-05-08 | 2016-05-04 | 분체 도료용 잠재성 경화제 및 이를 포함하는 에폭시 분체 도료 조성물 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10683386B2 (ko) |
| KR (1) | KR101741652B1 (ko) |
| CN (1) | CN108633281B (ko) |
| RU (1) | RU2676286C1 (ko) |
| SA (1) | SA517390224B1 (ko) |
| WO (1) | WO2016182259A1 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110128923A (zh) * | 2018-02-09 | 2019-08-16 | Kcc公司 | 电沉积树脂组合物及包含其的电沉积涂料试剂盒 |
| CN116145461A (zh) * | 2023-01-10 | 2023-05-23 | 常州大学 | Tris缓冲剂在脲醛树脂胶浸渍纸制备中作为固化剂的应用 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964321A (zh) * | 2017-08-25 | 2018-04-27 | 浙江新力新材料股份有限公司 | 一种光热双重固化型增亮膜涂料及其制备方法 |
| US11820915B2 (en) | 2018-12-14 | 2023-11-21 | Swimc Llc | Fusion bonded epoxy rebar powder coatings |
| CN111793194B (zh) * | 2019-04-09 | 2022-09-20 | 北京化工大学 | 一种中低温潜伏型固化环氧树脂体系及制备方法 |
| CN116426192B (zh) * | 2023-03-02 | 2024-09-17 | 庞贝捷粉末涂料(上海)有限公司 | 低温固化粉末涂料组合物 |
| CN120795750B (zh) * | 2025-09-15 | 2025-11-21 | 上海泰梧科技有限公司 | 一种低温固化型环氧粉末涂料及制备方法 |
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| KR20110007172A (ko) * | 2008-04-14 | 2011-01-21 | 다우 글로벌 테크놀로지스 인크. | 분말 피복 분야에 유용한 에폭시-이미다졸 촉매 |
| KR20130108280A (ko) * | 2010-08-12 | 2013-10-02 | 가부시키가이샤 아데카 | 잠재성 경화제 조성물 및 일액 경화성 에폭시 수지 조성물 |
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| US6184273B1 (en) | 1997-09-30 | 2001-02-06 | Basf Corporation | Coating composition containing a compound with latent functionality |
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| JP5361686B2 (ja) | 2009-12-03 | 2013-12-04 | 株式会社Adeka | 液状アミン系潜在性硬化剤組成物 |
| JP6098864B2 (ja) * | 2012-08-30 | 2017-03-22 | 荒川化学工業株式会社 | 反応生成物および当該反応生成物を含有する防錆性組成物 |
| CN103952057B (zh) * | 2014-04-09 | 2016-04-20 | 国润恒科(天津)防腐工程技术有限公司 | 一种超韧可急速弯曲钢筋防腐粉末涂料组合物及其制备方法和应用 |
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- 2015-05-08 KR KR1020150064704A patent/KR101741652B1/ko not_active Expired - Fee Related
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2016
- 2016-05-04 CN CN201680022384.4A patent/CN108633281B/zh not_active Expired - Fee Related
- 2016-05-04 WO PCT/KR2016/004690 patent/WO2016182259A1/ko not_active Ceased
- 2016-05-04 RU RU2017135074A patent/RU2676286C1/ru active
- 2016-05-04 US US15/571,608 patent/US10683386B2/en not_active Expired - Fee Related
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- 2017-10-24 SA SA517390224A patent/SA517390224B1/ar unknown
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| KR20070104621A (ko) * | 2005-02-23 | 2007-10-26 | 아사히 가세이 케미칼즈 가부시키가이샤 | 에폭시 수지용 잠재성 경화제 및 에폭시 수지 조성물 |
| JP2008184598A (ja) * | 2007-01-31 | 2008-08-14 | Adeka Corp | 硬化性エポキシ樹脂組成物 |
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| KR20130108280A (ko) * | 2010-08-12 | 2013-10-02 | 가부시키가이샤 아데카 | 잠재성 경화제 조성물 및 일액 경화성 에폭시 수지 조성물 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110128923A (zh) * | 2018-02-09 | 2019-08-16 | Kcc公司 | 电沉积树脂组合物及包含其的电沉积涂料试剂盒 |
| CN110128923B (zh) * | 2018-02-09 | 2021-07-02 | Kcc公司 | 电沉积树脂组合物及包含其的电沉积涂料试剂盒 |
| CN116145461A (zh) * | 2023-01-10 | 2023-05-23 | 常州大学 | Tris缓冲剂在脲醛树脂胶浸渍纸制备中作为固化剂的应用 |
| CN116145461B (zh) * | 2023-01-10 | 2024-05-07 | 常州大学 | Tris缓冲剂在脲醛树脂胶浸渍纸制备中作为固化剂的应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| US10683386B2 (en) | 2020-06-16 |
| KR20160132278A (ko) | 2016-11-17 |
| CN108633281B (zh) | 2021-05-25 |
| KR101741652B1 (ko) | 2017-06-01 |
| RU2676286C1 (ru) | 2018-12-27 |
| SA517390224B1 (ar) | 2021-02-07 |
| US20180201720A1 (en) | 2018-07-19 |
| CN108633281A (zh) | 2018-10-09 |
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