WO2019052070A1 - High-solid anticorrosive paint for use in steel structure surfaces, and spraying method therefor - Google Patents

High-solid anticorrosive paint for use in steel structure surfaces, and spraying method therefor Download PDF

Info

Publication number
WO2019052070A1
WO2019052070A1 PCT/CN2017/117129 CN2017117129W WO2019052070A1 WO 2019052070 A1 WO2019052070 A1 WO 2019052070A1 CN 2017117129 W CN2017117129 W CN 2017117129W WO 2019052070 A1 WO2019052070 A1 WO 2019052070A1
Authority
WO
WIPO (PCT)
Prior art keywords
spraying
steel structure
coating
low
parts
Prior art date
Application number
PCT/CN2017/117129
Other languages
French (fr)
Chinese (zh)
Inventor
钱强
Original Assignee
常熟市方塔涂料化工有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 常熟市方塔涂料化工有限公司 filed Critical 常熟市方塔涂料化工有限公司
Publication of WO2019052070A1 publication Critical patent/WO2019052070A1/en

Links

Classifications

    • 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
    • C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/54—No clear coat specified
    • B05D7/544—No clear coat specified the first layer is let to dry at least partially before applying the second layer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C09D5/10—Anti-corrosive paints containing metal dust
    • C09D5/103—Anti-corrosive paints containing metal dust containing Al
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C09D5/10—Anti-corrosive paints containing metal dust
    • C09D5/106—Anti-corrosive paints containing metal dust containing Zn

Definitions

  • the invention relates to the field of anticorrosive coatings, in particular to a high solids anticorrosive coating for steel structure surface with energy saving and pollution reduction and a spraying method thereof.
  • Anti-corrosion coating protection is the main means to improve the corrosion resistance of rigid structural parts.
  • anti-corrosion coatings such as water-based anti-corrosion coatings, powder anti-corrosion coatings, radiation-curing coatings, etc. These coatings either contain a large amount of volatile solvents or contain toxic components such as lead, hexavalent chromium, etc.
  • the process is complex, using the traditional hot dip plating process, a certain amount of waste water, acid mist, etc. will be generated during the construction process, polluting the environment, and the temperature of hot dip plating is generally between 480 ⁇ 560 ° C, the temperature is high, there is energy consumption Large, environmental pollution and defects such as reduced stiffness after immersion plating of components.
  • the technical problem to be solved by the present invention is to provide a high solids anticorrosive coating for a steel structure surface and a spraying method thereof.
  • the present invention adopts a technical solution to provide a high solids anticorrosive coating for a steel structure surface, comprising the following components by weight:
  • the epoxy resin is an aqueous epoxy resin; and the reactive diluent is an alkyl glycidyl ether.
  • the pigment filler is a mixture of converter dust, nano titanium dioxide and zinc aluminum phosphate in a weight ratio of 10 to 15:1 to 2:3 to 5.
  • the aluminum-zinc alloy powder has a sheet-like structure and has a size of 1.5 to 2 ⁇ m and an average diameter of 40 to 50 ⁇ m.
  • another technical solution adopted by the present invention is to provide a spraying method for a high solids anticorrosive coating for a steel structure surface, comprising the following steps:
  • Low-temperature baking the coating obtained in the step (4) is subjected to low-temperature baking treatment to be pre-cured;
  • the cleaning process includes a degreasing treatment and a degreasing treatment;
  • the process condition of the shot blasting treatment is: using a corundum having a diameter of 0.5 to 1 mm as a meatball.
  • the surface of the steel structural member reaches 30 to 40 ⁇ m.
  • the first spraying method is brush coating, and the coating thickness is 0.3 to 1.5 mm; in the step (4), the second spraying The method is high pressure airless spraying, and the coating thickness is 10 to 50 ⁇ m.
  • the process condition of the low-temperature baking is: a temperature of 300 to 320 ° C, and a time of 1 to 3 h; in the step (5), the The process conditions for low temperature baking are: temperature 240 to 280 ° C, time is 0.5 to 1 h.
  • the vacuum drying condition is a vacuum degree of 0.01 to 0.05 MPa, a time of 1 to 2 hours, and a temperature of 180 to 220 °C.
  • the invention has the beneficial effects that the high-solids anti-corrosion coating for the surface of the steel structure is designed by scientific and rational formula, does not use toxic and harmful components, has low solvent content, low volatility, and has the characteristics of safety and environmental protection; Paints do not produce pollutants such as waste water and smoke during spraying, and have the advantages of reducing the discharge of three wastes; stratified low-temperature baking pre-curing, reducing the curing temperature and effectively saving energy; the anti-corrosion coating and spraying method of the invention are safe Environmental protection, energy conservation, and emission reduction are limited, and the market prospect is broad.
  • a high solids anticorrosive coating for a steel structure surface comprising the following parts by weight:
  • the solvent is in an appropriate amount to have a volume solid content of 70% or more.
  • the epoxy resin is an aqueous epoxy resin
  • the pigment filler is a mixture of converter dust, nano titanium dioxide and zinc aluminum phosphate in a weight ratio of 10:1:3; the pigment filler has environmental protection and corrosion resistance on the one hand, and has fine particle size and nanometer on the other hand.
  • the converter dust of the grade micropowder not only realizes the waste utilization, but after being combined with the resin, curing agent, diluent and other fillers, it is coated on the surface of the steel structure to form a transition between the metal and the anticorrosive paint.
  • the layer is such that the coating is more firmly bonded to the steel structure, thereby greatly enhancing the corrosion resistance of the steel structure surface, improving the service life of the steel and saving steel.
  • the aluminum-zinc alloy powder has a sheet-like structure and has the following dimensions: a sheet thickness of 1.5 to 2 ⁇ m and an average sheet diameter of 40 to 50 ⁇ m; and a shielding function for blocking penetration of the corrosive medium.
  • the reactive diluent is an alkyl glycidyl ether;
  • the auxiliary agent includes a dispersing agent, a leveling agent, an antifoaming agent, an antioxidant, and the like.
  • the steel structure surface is prepared by mechanical mixing of the components of the high solids anticorrosive paint to form an anticorrosive paint.
  • the spraying method of the high solids anticorrosive coating for the surface of the steel structure comprises the following steps:
  • the coating obtained in the step (2) is subjected to low-temperature baking treatment at 300 ° C for 1 h to pre-cure;
  • the high solids anticorrosive coating is sprayed on the steel structure obtained in the step (3) by a secondary spraying process, that is, high pressure airless spraying, so as to form a coating having a thickness of 10 ⁇ m;
  • the coating obtained in the step (4) is baked at a low temperature of 240 ° C for 0.5 h to pre-cure;
  • the anticorrosive coating obtained in the step (5) is dried and solidified under vacuum drying conditions, and the specific vacuum drying conditions are a vacuum degree of 0.01 to 0.05 MPa, a time of 1 hour, and a temperature of 220 °C.
  • a high solids anticorrosive coating for a steel structure surface comprising the following parts by weight:
  • the solvent is in an appropriate amount to have a volume solid content of 75% or more.
  • the epoxy resin is an aqueous epoxy resin
  • the pigment filler is a mixture of converter dust ash, nano titanium dioxide and zinc aluminum phosphate in a weight ratio of 15:2:5; the pigment filler has environmental protection and corrosion resistance on the one hand, and has fine particle size and nanometer on the other hand.
  • the converter dust of the grade micropowder not only realizes waste utilization, but also reacts with resin, curing agent, and dilution.
  • the coating is applied to the surface of the steel structure to form a transition layer between the metal and the anticorrosive coating, so that the coating is more firmly bonded to the steel structure, thereby greatly enhancing the corrosion protection of the steel structure surface. Performance improves the service life of steel and saves steel.
  • the aluminum-zinc alloy powder has a sheet-like structure and has the following dimensions: a sheet thickness of 1.5 to 2 ⁇ m and an average sheet diameter of 40 to 50 ⁇ m; and a shielding function for blocking penetration of the corrosive medium.
  • the reactive diluent is an alkyl glycidyl ether;
  • the auxiliary agent includes a dispersing agent, a leveling agent, an antifoaming agent, an antioxidant, and the like.
  • the steel structure surface is prepared by mechanical mixing of the components of the high solids anticorrosive paint to form an anticorrosive paint.
  • the spraying method of the high solids anticorrosive coating for the surface of the steel structure comprises the following steps:
  • the coating obtained in the step (2) is baked at a low temperature of 320 ° C for 3 h to pre-cure;
  • the high solids anticorrosive coating is sprayed on the steel structure obtained in the step (3) by a double spraying process, that is, high pressure airless spraying, so as to form a coating having a thickness of 50 ⁇ m;
  • the coating obtained in the step (4) is baked at a low temperature of 280 ° C for 1 h to pre-cure;
  • the anti-corrosion coating obtained in the step (5) is dried and solidified under vacuum drying conditions, and the specific vacuum drying conditions are a vacuum degree of 0.01 to 0.05 MPa, a time of 2 hours, and a temperature of 180 °C.
  • the coating obtained by the above method has a bonding strength of 55N, a hardness of 6H, an acid and alkali resistance test for 120 hours, and the coating film does not blister or fall off; the neutral smoke resistance test is 1000 hours, and the coating film does not blister or fall off.
  • the coating formulation does not contain toxic and harmful components that are prohibited in the field, and it has the characteristics of environmental protection and safety;
  • the shot blasting process is used instead of the traditional hot dip coating process, which does not produce pollutants such as waste water and smoke, and has the advantages of reducing the discharge of three wastes;
  • Layer coating and each layer adopts low temperature baking pre-curing, which reduces the curing temperature and saves energy.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)

Abstract

A high-solid anticorrosive paint for use in steel structure surfaces, and a spraying method therefor. The high-solid anticorrosive paint comprises epoxy resin, pigments and fillers, aluminum-zinc alloy powder, a silane coupling agent, an activated diluent, a corrosion inhibitor, an auxiliary agent, a curing agent, and acrylic acid. The spraying method comprises: (1) steel structure surface treatment; (2) primary spraying; (3) low-temperature baking; (4) secondary spraying; (5) low-temperature baking; and (6) drying and curing molding. According to the high-solid anticorrosive paint for use in steel structure surfaces, the formula design is scientific and reasonable, no toxic or harmful ingredient is used, the solvent content is low, the volatility is low, and the high-solid anticorrosive paint is safe and environmentally friendly. No pollutant such as waste water or smoke is generated in spraying process of the paint, three wastes discharge is reduced. Layered low-temperature baking and pre-curing is adopted, so that the curing temperature is reduced effectively, and energy consumption is reduced effectively. The anticorrosive paint and the spraying method are safe, environmentally friendly, energy-saving and emission reduction, and have broad market prospects.

Description

一种钢结构表面用高固体分防腐涂料及其喷涂方法High solids anticorrosive coating for steel structure surface and spraying method thereof 技术领域Technical field
本发明涉及防腐涂料领域，特别是涉及一种具有节能减污的钢结构表面用高固体分防腐涂料及其喷涂方法。The invention relates to the field of anticorrosive coatings, in particular to a high solids anticorrosive coating for steel structure surface with energy saving and pollution reduction and a spraying method thereof.
背景技术Background technique
腐蚀是金属钢构件失效的主要原因和形式，由此产生的经济损失十分惊人。防腐涂层保护是提高刚结构件抗腐蚀性能的主要手段。目前，防腐蚀涂料的品种较多，如水性防腐涂料、粉末防腐涂料、辐射固化涂料等，这些涂料要么含有大量的挥发性溶剂、要么含有有毒的成分，如铅、六价铬等，要么施工工艺复杂，采用传统的热浸镀工艺，施工过程中会产生一定量的废水、酸雾等，污染环境，且热浸镀的温度一般都在480～560℃之间，温度高，存在能耗大，环境污染及构件浸镀后刚度下降等缺陷。Corrosion is the main cause and form of failure of metal steel components, and the resulting economic losses are staggering. Anti-corrosion coating protection is the main means to improve the corrosion resistance of rigid structural parts. At present, there are many varieties of anti-corrosion coatings, such as water-based anti-corrosion coatings, powder anti-corrosion coatings, radiation-curing coatings, etc. These coatings either contain a large amount of volatile solvents or contain toxic components such as lead, hexavalent chromium, etc. The process is complex, using the traditional hot dip plating process, a certain amount of waste water, acid mist, etc. will be generated during the construction process, polluting the environment, and the temperature of hot dip plating is generally between 480 ~ 560 ° C, the temperature is high, there is energy consumption Large, environmental pollution and defects such as reduced stiffness after immersion plating of components.
发明内容Summary of the invention
本发明主要解决的技术问题是提供一种钢结构表面用高固体份防腐涂料及其喷涂方法。The technical problem to be solved by the present invention is to provide a high solids anticorrosive coating for a steel structure surface and a spraying method thereof.
为解决上述技术问题，本发明采用的一个技术方案是：提供一种钢结构表面用高固体分防腐涂料，包括如下重量份组分：In order to solve the above technical problems, the present invention adopts a technical solution to provide a high solids anticorrosive coating for a steel structure surface, comprising the following components by weight:
环氧树脂25～35份、颜填料15～20份、铝锌合金粉25～35份、硅烷偶联 剂8～13份、活性稀释剂3～6份、腐蚀抑制剂0.5～2份、助剂0.5～1份、固化剂5～15份、丙烯酸5～10份。25 to 35 parts of epoxy resin, 15 to 20 parts of pigment and filler, 25 to 35 parts of aluminum-zinc alloy powder, silane coupling 8 to 13 parts of the agent, 3 to 6 parts of the reactive diluent, 0.5 to 2 parts of the corrosion inhibitor, 0.5 to 1 part of the auxiliary agent, 5 to 15 parts of the curing agent, and 5 to 10 parts of the acrylic acid.
在本发明一个较佳实施例中，所述环氧树脂为水性环氧树脂；所述活性稀释剂为烷基缩水甘油醚。In a preferred embodiment of the invention, the epoxy resin is an aqueous epoxy resin; and the reactive diluent is an alkyl glycidyl ether.
在本发明一个较佳实施例中，所述颜填料为转炉尘灰、纳米二氧化钛和磷酸锌铝以10～15:1～2:3～5的重量比混合的混合物。In a preferred embodiment of the present invention, the pigment filler is a mixture of converter dust, nano titanium dioxide and zinc aluminum phosphate in a weight ratio of 10 to 15:1 to 2:3 to 5.
在本发明一个较佳实施例中，所述铝锌合金粉为片状结构，其尺寸为：片厚1.5～2μm，平均片径为40～50μm。In a preferred embodiment of the present invention, the aluminum-zinc alloy powder has a sheet-like structure and has a size of 1.5 to 2 μm and an average diameter of 40 to 50 μm.
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种钢结构表面用高固体分防腐涂料的喷涂方法，包括如下步骤：In order to solve the above technical problem, another technical solution adopted by the present invention is to provide a spraying method for a high solids anticorrosive coating for a steel structure surface, comprising the following steps:
(1)钢结构表面处理：包括清洁处理、干燥和抛丸处理；(1) Surface treatment of steel structure: including cleaning treatment, drying and shot blasting;
(2)一次喷涂：将所述高固体分防腐涂料经一次喷涂工艺喷涂在经表面处理后的钢结构上；(2) one-time spraying: spraying the high-solid anti-corrosion coating on the surface-treated steel structure by a single spraying process;
(3)低温烘烤：将步骤(2)中所得的涂层低温烘烤处理，使之预固化；(3) low-temperature baking: the coating obtained in the step (2) is baked at a low temperature to be pre-cured;
(4)二次喷涂：将所述高固体分防腐涂料经二次喷涂工艺喷涂在步骤(3)中所得的钢结构上；(4) secondary spraying: spraying the high solids anticorrosive coating on the steel structure obtained in the step (3) by a secondary spraying process;
(5)低温烘烤：将步骤(4)中所得的涂层低温烘烤处理，使之预固化；(5) Low-temperature baking: the coating obtained in the step (4) is subjected to low-temperature baking treatment to be pre-cured;
(6)干燥固化成型：将步骤(5)所得的防腐涂层在真空干燥条件下一次干燥固化成型。(6) Dry curing molding: The anticorrosive coating layer obtained in the step (5) is dried and solidified under vacuum drying conditions.
在本发明一个较佳实施例中，所述步骤(1)中，所述清洁处理包括去油污处理和脱脂处理；所述抛丸处理的工艺条件为：以直径为0.5～1mm的金刚砂为丸子，以60～80m/s的速率是钢结构件表面达到30～40μm。 In a preferred embodiment of the present invention, in the step (1), the cleaning process includes a degreasing treatment and a degreasing treatment; the process condition of the shot blasting treatment is: using a corundum having a diameter of 0.5 to 1 mm as a meatball. At a rate of 60 to 80 m/s, the surface of the steel structural member reaches 30 to 40 μm.
在本发明一个较佳实施例中，所述步骤(2)中，所述一次喷涂的方法为刷涂，涂层厚度为0.3～1.5mm；所述步骤(4)中，所述二次喷涂的方法为高压无气喷涂，涂层厚度为10～50μm。In a preferred embodiment of the present invention, in the step (2), the first spraying method is brush coating, and the coating thickness is 0.3 to 1.5 mm; in the step (4), the second spraying The method is high pressure airless spraying, and the coating thickness is 10 to 50 μm.
在本发明一个较佳实施例中，所述步骤(3)中，所述低温烘烤的工艺条件为：温度300～320℃，时间为1～3h；所述步骤(5)中，所述低温烘烤的工艺条件为：温度240～280℃，时间为0.5～1h。In a preferred embodiment of the present invention, in the step (3), the process condition of the low-temperature baking is: a temperature of 300 to 320 ° C, and a time of 1 to 3 h; in the step (5), the The process conditions for low temperature baking are: temperature 240 to 280 ° C, time is 0.5 to 1 h.
在本发明一个较佳实施例中，所述步骤(6)中，所述真空干燥条件为真空度0.01～0.05MPa，时间1～2h，温度180～220℃。In a preferred embodiment of the present invention, in the step (6), the vacuum drying condition is a vacuum degree of 0.01 to 0.05 MPa, a time of 1 to 2 hours, and a temperature of 180 to 220 °C.
本发明的有益效果是：本发明一种钢结构表面用高固体分防腐涂料，通过科学合理的配方设计，不使用有毒有害成分，且溶剂含量低，挥发性小，具有安全、环保的特点；涂料的喷涂过程中不产生废水、烟雾等污染物，具有减少三废排放量的优点；分层低温烘烤预固化，降低了固化温，有效节约能耗；本发明的防腐涂料及喷涂方法具有安全、环保、节能、减排的有限，市场前景广阔。The invention has the beneficial effects that the high-solids anti-corrosion coating for the surface of the steel structure is designed by scientific and rational formula, does not use toxic and harmful components, has low solvent content, low volatility, and has the characteristics of safety and environmental protection; Paints do not produce pollutants such as waste water and smoke during spraying, and have the advantages of reducing the discharge of three wastes; stratified low-temperature baking pre-curing, reducing the curing temperature and effectively saving energy; the anti-corrosion coating and spraying method of the invention are safe Environmental protection, energy conservation, and emission reduction are limited, and the market prospect is broad.
具体实施方式Detailed ways
下面对本发明的较佳实施例进行详细阐述，以使本发明的优点和特征能更易于被本领域技术人员理解，从而对本发明的保护范围做出更为清楚明确的界定。The preferred embodiments of the present invention are described in detail below, so that the advantages and features of the present invention can be more readily understood by those skilled in the art.
本发明实施例包括： Embodiments of the invention include:
实施例1Example 1
一种钢结构表面用高固体分防腐涂料，包括如下重量份组分：A high solids anticorrosive coating for a steel structure surface comprising the following parts by weight:
环氧树脂25份、颜填料15份、铝锌合金粉25份、硅烷偶联剂8份、活性稀释剂3份、腐蚀抑制剂0.5份、助剂0.5份、固化剂5份、丙烯酸5份，溶剂适量，使其体积固含量为70％以上。25 parts of epoxy resin, 15 parts of pigment and filler, 25 parts of aluminum-zinc alloy powder, 8 parts of silane coupling agent, 3 parts of reactive diluent, 0.5 part of corrosion inhibitor, 0.5 part of auxiliary agent, 5 parts of curing agent, 5 parts of acrylic acid The solvent is in an appropriate amount to have a volume solid content of 70% or more.
其中，所述环氧树脂为水性环氧树脂；Wherein the epoxy resin is an aqueous epoxy resin;
所述颜填料为转炉尘灰、纳米二氧化钛和磷酸锌铝以10:1:3的重量比混合的混合物；该颜填料一方面具有环保防腐性能，另一方面其含有粒度较细，且含有纳米级微粉的转炉尘灰，不仅实现了废物利用，其与树脂、固化剂、稀释剂和其他填料结合被做成涂料之后，被涂覆在钢结构表面，可形成金属与防腐涂料之间的过渡层，这样涂层与钢结构结合更加牢固，从而大大加强了钢结构表面的防腐性能，提高了钢材的使用寿命，节约钢材。The pigment filler is a mixture of converter dust, nano titanium dioxide and zinc aluminum phosphate in a weight ratio of 10:1:3; the pigment filler has environmental protection and corrosion resistance on the one hand, and has fine particle size and nanometer on the other hand. The converter dust of the grade micropowder not only realizes the waste utilization, but after being combined with the resin, curing agent, diluent and other fillers, it is coated on the surface of the steel structure to form a transition between the metal and the anticorrosive paint. The layer is such that the coating is more firmly bonded to the steel structure, thereby greatly enhancing the corrosion resistance of the steel structure surface, improving the service life of the steel and saving steel.
所述铝锌合金粉为片状结构，其尺寸为：片厚1.5～2μm，平均片径为40～50μm；起到阻挡腐蚀介质渗入的屏蔽作用。The aluminum-zinc alloy powder has a sheet-like structure and has the following dimensions: a sheet thickness of 1.5 to 2 μm and an average sheet diameter of 40 to 50 μm; and a shielding function for blocking penetration of the corrosive medium.
所述活性稀释剂为烷基缩水甘油醚；所述助剂包括分散剂、流平剂、消泡剂、抗氧化剂等。The reactive diluent is an alkyl glycidyl ether; the auxiliary agent includes a dispersing agent, a leveling agent, an antifoaming agent, an antioxidant, and the like.
上述钢结构表面用高固体分防腐涂料的各组分经机械混合制备成防腐涂料。The steel structure surface is prepared by mechanical mixing of the components of the high solids anticorrosive paint to form an anticorrosive paint.
上述钢结构表面用高固体分防腐涂料的喷涂方法，包括如下步骤：The spraying method of the high solids anticorrosive coating for the surface of the steel structure comprises the following steps:
(1)钢结构表面处理：将待喷涂的钢结构的表面先去除油污后，水洗后再进行脱脂处理，脱脂后水洗干燥，最后进行抛丸处理，其中，所述抛丸处理的 工艺条件为：以直径为0.5mm的金刚砂为丸子，以60m/s的速率是钢结构件表面达到30～40μm，以提高其与涂料的结合性能。(1) Surface treatment of steel structure: the surface of the steel structure to be sprayed is firstly degreased, then degreased after washing with water, dehydrated, washed and dried, and finally subjected to shot blasting, wherein the shot blasting treatment The process conditions are as follows: the diamond with a diameter of 0.5 mm is used as a pellet, and the surface of the steel structural member reaches 30-40 μm at a rate of 60 m/s to improve the bonding performance with the coating.
(2)一次喷涂：将所述高固体分防腐涂料经一次喷涂工艺即涂刷，在经表面处理后的钢结构上形成0.3mm的涂层厚度；(2) One-time spraying: the high-solid anti-corrosion coating is applied by a single spraying process to form a coating thickness of 0.3 mm on the surface-treated steel structure;
(3)低温烘烤：将步骤(2)中所得的涂层在300℃的条件下低温烘烤处理1h，使之预固化；(3) low-temperature baking: the coating obtained in the step (2) is subjected to low-temperature baking treatment at 300 ° C for 1 h to pre-cure;
(4)二次喷涂：将所述高固体分防腐涂料经二次喷涂工艺即高压无气喷涂，喷涂在步骤(3)中所得的钢结构上，使形成厚度为10μm的涂层；(4) secondary spraying: the high solids anticorrosive coating is sprayed on the steel structure obtained in the step (3) by a secondary spraying process, that is, high pressure airless spraying, so as to form a coating having a thickness of 10 μm;
(5)低温烘烤：将步骤(4)中所得的涂层在240℃的条件下低温烘烤处理0.5h，使之预固化；(5) low temperature baking: the coating obtained in the step (4) is baked at a low temperature of 240 ° C for 0.5 h to pre-cure;
(6)干燥固化成型：将步骤(5)所得的防腐涂层在真空干燥条件下一次干燥固化成型，具体真空干燥条件为真空度0.01～0.05MPa，时间1h，温度220℃。(6) Drying and solidification molding: The anticorrosive coating obtained in the step (5) is dried and solidified under vacuum drying conditions, and the specific vacuum drying conditions are a vacuum degree of 0.01 to 0.05 MPa, a time of 1 hour, and a temperature of 220 °C.
实施例2Example 2
一种钢结构表面用高固体分防腐涂料，包括如下重量份组分：A high solids anticorrosive coating for a steel structure surface comprising the following parts by weight:
环氧树脂35份、颜填料20份、铝锌合金粉35份、硅烷偶联剂13份、活性稀释剂6份、腐蚀抑制剂2份、助剂1份、固化剂15份、丙烯酸10份，溶剂适量，使其体积固含量为75％以上。35 parts of epoxy resin, 20 parts of pigment and filler, 35 parts of aluminum-zinc alloy powder, 13 parts of silane coupling agent, 6 parts of reactive diluent, 2 parts of corrosion inhibitor, 1 part of auxiliary agent, 15 parts of curing agent, 10 parts of acrylic acid The solvent is in an appropriate amount to have a volume solid content of 75% or more.
其中，所述环氧树脂为水性环氧树脂；Wherein the epoxy resin is an aqueous epoxy resin;
所述颜填料为转炉尘灰、纳米二氧化钛和磷酸锌铝以15:2:5的重量比混合的混合物；该颜填料一方面具有环保防腐性能，另一方面其含有粒度较细，且含有纳米级微粉的转炉尘灰，不仅实现了废物利用，其与树脂、固化剂、稀释 剂和其他填料结合被做成涂料之后，被涂覆在钢结构表面，可形成金属与防腐涂料之间的过渡层，这样涂层与钢结构结合更加牢固，从而大大加强了钢结构表面的防腐性能，提高了钢材的使用寿命，节约钢材。The pigment filler is a mixture of converter dust ash, nano titanium dioxide and zinc aluminum phosphate in a weight ratio of 15:2:5; the pigment filler has environmental protection and corrosion resistance on the one hand, and has fine particle size and nanometer on the other hand. The converter dust of the grade micropowder not only realizes waste utilization, but also reacts with resin, curing agent, and dilution. After being combined with other fillers, the coating is applied to the surface of the steel structure to form a transition layer between the metal and the anticorrosive coating, so that the coating is more firmly bonded to the steel structure, thereby greatly enhancing the corrosion protection of the steel structure surface. Performance improves the service life of steel and saves steel.
所述铝锌合金粉为片状结构，其尺寸为：片厚1.5～2μm，平均片径为40～50μm；起到阻挡腐蚀介质渗入的屏蔽作用。The aluminum-zinc alloy powder has a sheet-like structure and has the following dimensions: a sheet thickness of 1.5 to 2 μm and an average sheet diameter of 40 to 50 μm; and a shielding function for blocking penetration of the corrosive medium.
所述活性稀释剂为烷基缩水甘油醚；所述助剂包括分散剂、流平剂、消泡剂、抗氧化剂等。The reactive diluent is an alkyl glycidyl ether; the auxiliary agent includes a dispersing agent, a leveling agent, an antifoaming agent, an antioxidant, and the like.
上述钢结构表面用高固体分防腐涂料的各组分经机械混合制备成防腐涂料。The steel structure surface is prepared by mechanical mixing of the components of the high solids anticorrosive paint to form an anticorrosive paint.
上述钢结构表面用高固体分防腐涂料的喷涂方法，包括如下步骤：The spraying method of the high solids anticorrosive coating for the surface of the steel structure comprises the following steps:
(1)钢结构表面处理：将待喷涂的钢结构的表面先去除油污后，水洗后再进行脱脂处理，脱脂后水洗干燥，最后进行抛丸处理，其中，所述抛丸处理的工艺条件为：以直径为1mm的金刚砂为丸子，以80m/s的速率是钢结构件表面达到40μm，以提高其与涂料的结合性能。(1) Surface treatment of steel structure: the surface of the steel structure to be sprayed is firstly degreased, then degreased after washing with water, dehydrated, washed and dried, and finally subjected to shot blasting, wherein the process conditions of the shot blasting process are : The diameter of 1mm diamond is used as the meatball, and the surface of the steel structural member reaches 40μm at a rate of 80m/s to improve the bonding performance with the coating.
(2)一次喷涂：将所述高固体分防腐涂料经一次喷涂工艺即涂刷，在经表面处理后的钢结构上形成1.5mm的涂层厚度；(2) One-time spraying: the high-solid anti-corrosion coating is applied by a single spraying process to form a coating thickness of 1.5 mm on the surface-treated steel structure;
(3)低温烘烤：将步骤(2)中所得的涂层在320℃的条件下低温烘烤处理3h，使之预固化；(3) low-temperature baking: the coating obtained in the step (2) is baked at a low temperature of 320 ° C for 3 h to pre-cure;
(4)二次喷涂：将所述高固体分防腐涂料经二次喷涂工艺即高压无气喷涂，喷涂在步骤(3)中所得的钢结构上，使形成厚度为50μm的涂层；(4) secondary spraying: the high solids anticorrosive coating is sprayed on the steel structure obtained in the step (3) by a double spraying process, that is, high pressure airless spraying, so as to form a coating having a thickness of 50 μm;
(5)低温烘烤：将步骤(4)中所得的涂层在280℃的条件下低温烘烤处理1h，使之预固化； (5) low-temperature baking: the coating obtained in the step (4) is baked at a low temperature of 280 ° C for 1 h to pre-cure;
(6)干燥固化成型：将步骤(5)所得的防腐涂层在真空干燥条件下一次干燥固化成型，具体真空干燥条件为真空度0.01～0.05MPa，时间2h，温度180℃。(6) Dry curing molding: The anti-corrosion coating obtained in the step (5) is dried and solidified under vacuum drying conditions, and the specific vacuum drying conditions are a vacuum degree of 0.01 to 0.05 MPa, a time of 2 hours, and a temperature of 180 °C.
上述方法所得涂层结合力55N，硬度为6H，耐酸、耐碱各120h测试，涂膜不起泡、不脱落；中性耐烟雾测试1000h，涂膜不起泡、不脱落。The coating obtained by the above method has a bonding strength of 55N, a hardness of 6H, an acid and alkali resistance test for 120 hours, and the coating film does not blister or fall off; the neutral smoke resistance test is 1000 hours, and the coating film does not blister or fall off.
本发明的防腐涂料为高固体分涂料具有如下优点：The anticorrosive coating of the present invention has the following advantages as a high solids coating:
1.本身所含的溶剂少，具有本质节约溶剂、挥发性低；1. It contains less solvent, has essential solvent saving and low volatility;
2.涂料配方中不含有本领域禁用的有毒有害成分，就有环保、安全的特点；2. The coating formulation does not contain toxic and harmful components that are prohibited in the field, and it has the characteristics of environmental protection and safety;
3.涂料喷涂过程中，采用抛丸工艺代替传统的热浸镀工艺，不产生废水、烟雾等污染物，具有减少三废排放量的优点；3. During the coating process, the shot blasting process is used instead of the traditional hot dip coating process, which does not produce pollutants such as waste water and smoke, and has the advantages of reducing the discharge of three wastes;
4.分层涂覆且各层采用低温烘烤预固化，降低了固化温，有效节约能耗。4. Layer coating and each layer adopts low temperature baking pre-curing, which reduces the curing temperature and saves energy.
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。 The above is only the embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformation made by using the content of the specification of the present invention, or directly or indirectly applied in other related technical fields, The same is included in the scope of patent protection of the present invention.

Claims (9)

  1. 一种钢结构表面用高固体分防腐涂料，其特征在于，包括如下重量份组分：A high solids anticorrosive coating for steel structure surface, characterized in that it comprises the following components by weight:
    环氧树脂25～35份、颜填料15～20份、铝锌合金粉25～35份、硅烷偶联剂8～13份、活性稀释剂3～6份、腐蚀抑制剂0.5～2份、助剂0.5～1份、固化剂5～15份、丙烯酸5～10份。25 to 35 parts of epoxy resin, 15 to 20 parts of pigment and filler, 25 to 35 parts of aluminum-zinc alloy powder, 8 to 13 parts of silane coupling agent, 3 to 6 parts of reactive diluent, 0.5 to 2 parts of corrosion inhibitor, and help 0.5 to 1 part of the agent, 5 to 15 parts of the curing agent, and 5 to 10 parts of the acrylic acid.
  2. 根据权利要求1所述的钢结构表面用高固体分防腐涂料，其特征在于，所述环氧树脂为水性环氧树脂；所述活性稀释剂为烷基缩水甘油醚。The high solids anticorrosive coating for a steel structure surface according to claim 1, wherein the epoxy resin is an aqueous epoxy resin; and the reactive diluent is an alkyl glycidyl ether.
  3. 根据权利要求1所述的钢结构表面用高固体分防腐涂料，其特征在于，所述颜填料为转炉尘灰、纳米二氧化钛和磷酸锌铝以10～15:1～2:3～5的重量比混合的混合物。The high solids anticorrosive coating for steel structure surface according to claim 1, wherein the pigment filler is a weight of 10 to 15:1 to 2:3 to 5 of converter dust, nano titanium dioxide and zinc aluminum phosphate. More than a mixture of the mixture.
  4. 根据权利要求1所述的钢结构表面用高固体分防腐涂料，其特征在于，所述铝锌合金粉为片状结构，其尺寸为：片厚1.5～2μm，平均片径为40～50μm。The high-solid-state anticorrosive coating for a steel structure surface according to claim 1, wherein the aluminum-zinc alloy powder has a sheet-like structure and has a sheet thickness of 1.5 to 2 μm and an average sheet diameter of 40 to 50 μm.
  5. 一种如权利要求1至4任一项所述的钢结构表面用高固体分防腐涂料的喷涂方法，其特征在于，包括如下步骤：A method for spraying a high solids anticorrosive coating for a steel structure surface according to any one of claims 1 to 4, comprising the steps of:
    (1)钢结构表面处理：包括清洁处理、干燥和抛丸处理；(1) Surface treatment of steel structure: including cleaning treatment, drying and shot blasting;
    (2)一次喷涂：将所述高固体分防腐涂料经一次喷涂工艺喷涂在经表面处理后的钢结构上；(2) one-time spraying: spraying the high-solid anti-corrosion coating on the surface-treated steel structure by a single spraying process;
    (3)低温烘烤：将步骤(2)中所得的涂层低温烘烤处理，使之预固化；(3) low-temperature baking: the coating obtained in the step (2) is baked at a low temperature to be pre-cured;
    (4)二次喷涂：将所述高固体分防腐涂料经二次喷涂工艺喷涂在步骤(3)中所得的钢结构上；(4) secondary spraying: spraying the high solids anticorrosive coating on the steel structure obtained in the step (3) by a secondary spraying process;
    (5)低温烘烤：将步骤(4)中所得的涂层低温烘烤处理，使之预固化； (5) Low-temperature baking: the coating obtained in the step (4) is subjected to low-temperature baking treatment to be pre-cured;
    (6)干燥固化成型：将步骤(5)所得的防腐涂层在真空干燥条件下一次干燥固化成型。(6) Dry curing molding: The anticorrosive coating layer obtained in the step (5) is dried and solidified under vacuum drying conditions.
  6. 根据权利要求5所述的钢结构表面用高固体分防腐涂料的喷涂方法，其特征在于，所述步骤(1)中，所述清洁处理包括去油污处理和脱脂处理；所述抛丸处理的工艺条件为：以直径为0.5～1mm的金刚砂为丸子，以60～80m/s的速率是钢结构件表面达到30～40μm。The method for spraying a high solids anticorrosive coating for a steel structure surface according to claim 5, wherein in the step (1), the cleaning treatment comprises a degreasing treatment and a degreasing treatment; The process conditions are as follows: a diamond having a diameter of 0.5 to 1 mm is used as a pellet, and the surface of the steel structural member is 30 to 40 μm at a rate of 60 to 80 m/s.
  7. 根据权利要求5所述的钢结构表面用高固体分防腐涂料的喷涂方法，其特征在于，所述步骤(2)中，所述一次喷涂的方法为刷涂，涂层厚度为0.3～1.5mm；所述步骤(4)中，所述二次喷涂的方法为高压无气喷涂，涂层厚度为10～50μm。The method for spraying a high solids anticorrosive coating for a steel structure surface according to claim 5, wherein in the step (2), the primary spraying method is brush coating, and the coating thickness is 0.3 to 1.5 mm. In the step (4), the method of the secondary spraying is high pressure airless spraying, and the coating thickness is 10 to 50 μm.
  8. 根据权利要求5所述的钢结构表面用高固体分防腐涂料的喷涂方法，其特征在于，所述步骤(3)中，所述低温烘烤的工艺条件为：温度300～320℃，时间为1～3h；所述步骤(5)中，所述低温烘烤的工艺条件为：温度240～280℃，时间为0.5～1h。The method for spraying a high solids anticorrosive coating for a steel structure surface according to claim 5, wherein in the step (3), the low temperature baking process condition is: a temperature of 300 to 320 ° C, and the time is 1~3h; in the step (5), the low-temperature baking process conditions are: temperature 240-280 ° C, time is 0.5-1 h.
  9. 根据权利要求5所述的钢结构表面用高固体分防腐涂料的喷涂方法，其特征在于，所述步骤(6)中，所述真空干燥条件为真空度0.01～0.05MPa，时间1～2h，温度180～220℃。 The method for spraying a high solids anticorrosive coating for a steel structure surface according to claim 5, wherein in the step (6), the vacuum drying condition is a vacuum degree of 0.01 to 0.05 MPa, and the time is 1 to 2 hours. The temperature is 180 to 220 °C.
PCT/CN2017/117129 2017-09-14 2017-12-19 High-solid anticorrosive paint for use in steel structure surfaces, and spraying method therefor WO2019052070A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710825828.4 2017-09-14
CN201710825828.4A CN107674473A (en) 2017-09-14 2017-09-14 A kind of steel structure surface High-solid anticorrosive paint and its spraying method

Publications (1)

Publication Number Publication Date
WO2019052070A1 true WO2019052070A1 (en) 2019-03-21

Family

ID=61136465

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/117129 WO2019052070A1 (en) 2017-09-14 2017-12-19 High-solid anticorrosive paint for use in steel structure surfaces, and spraying method therefor

Country Status (2)

Country Link
CN (1) CN107674473A (en)
WO (1) WO2019052070A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110624790A (en) * 2019-09-10 2019-12-31 云南固特邦钢塑管道制造有限公司 Spraying process of plastic-coated pipeline

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109111776A (en) * 2018-08-24 2019-01-01 江苏睿中轨道交通装备有限公司 A kind of zinc aluminum anticorrosive paint and preparation method thereof and coating processes
CN112606944A (en) * 2020-12-18 2021-04-06 武昌船舶重工集团有限公司 Marine low-pressure steel oil and water tank containing epoxy lining and manufacturing method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6656607B1 (en) * 1999-09-30 2003-12-02 Dacral Method for anticorrosive coating and treatment of metal parts
CN102732130A (en) * 2012-07-18 2012-10-17 中国海洋石油总公司 High solid anticorrosive paint and preparation method thereof
CN102850910A (en) * 2012-09-16 2013-01-02 广州秀珀化工股份有限公司 Steel-structure-use nuclear-radiation-resistant paint
CN103131305A (en) * 2013-03-22 2013-06-05 河北联合大学 High-solid anticorrosive paint and preparation method thereof
CN103509430A (en) * 2013-09-27 2014-01-15 无锡阳工机械制造有限公司 Corrosion-resistant coating for metals and preparation method for corrosion-resistant coating
CN106148940A (en) * 2016-06-30 2016-11-23 宁波江东波莫纳电子科技有限公司 A kind of preparation method of environment-friendly type high aluminum zinc/silver stearate composite coating

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103623982B (en) * 2013-12-11 2015-10-14 中国航空工业标准件制造有限责任公司 A kind of spraying method for finding
CN104449254A (en) * 2014-11-20 2015-03-25 南京航空航天大学 Aluminum-zinc multi-component alloy-containing water-based epoxy coating for anti-corrosive treatment of submarine oil and gas pipelines and preparation method of water-based epoxy coating
CN104449223A (en) * 2014-11-25 2015-03-25 南京航空航天大学 Aluminum-zinc-silicon epoxy composite powder anticorrosive coating and preparation method thereof
CN105295585A (en) * 2015-11-30 2016-02-03 沈阳工业大学 Novel paint for anti-fouling and anti-corrosion treatment on marine metal component and preparation method of novel paint

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6656607B1 (en) * 1999-09-30 2003-12-02 Dacral Method for anticorrosive coating and treatment of metal parts
CN102732130A (en) * 2012-07-18 2012-10-17 中国海洋石油总公司 High solid anticorrosive paint and preparation method thereof
CN102850910A (en) * 2012-09-16 2013-01-02 广州秀珀化工股份有限公司 Steel-structure-use nuclear-radiation-resistant paint
CN103131305A (en) * 2013-03-22 2013-06-05 河北联合大学 High-solid anticorrosive paint and preparation method thereof
CN103509430A (en) * 2013-09-27 2014-01-15 无锡阳工机械制造有限公司 Corrosion-resistant coating for metals and preparation method for corrosion-resistant coating
CN106148940A (en) * 2016-06-30 2016-11-23 宁波江东波莫纳电子科技有限公司 A kind of preparation method of environment-friendly type high aluminum zinc/silver stearate composite coating

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110624790A (en) * 2019-09-10 2019-12-31 云南固特邦钢塑管道制造有限公司 Spraying process of plastic-coated pipeline

Also Published As

Publication number Publication date
CN107674473A (en) 2018-02-09

Similar Documents

Publication Publication Date Title
CN109957262B (en) Paint for material surface treatment, coating and preparation method thereof
CN103666201B (en) Long-acting acid and alkali-resistance, solvent-free anticorrosive paint and preparation method thereof and application
CN102719172B (en) Metal anti-corrosive primer, preparation method, application and application method thereof
CN106590384B (en) A kind of aqueous syncretic zinc cold spray coating and preparation method thereof that graphene is modified
WO2019052070A1 (en) High-solid anticorrosive paint for use in steel structure surfaces, and spraying method therefor
CN108329739B (en) A kind of super-hydrophobic composite anti-corrosive coating of zinc-rich and preparation method thereof
CN109266156B (en) Water-based primer-topcoat integrated paint and preparation method thereof
CN109731758A (en) A kind of method that plasma treatment aluminum alloy surface prepares wear-resisting resistant corrosion-resistant finishes
CN108084843A (en) Applied to face composite bed water paint in the bottom in container field and preparation method thereof
CN102002318A (en) Scaly zinc-based inorganic zinc silicate heavy anti-corrosion coating and preparation method thereof
CN108641414A (en) A kind of environmental protection chromium-free zinc aluminum masking liquid and preparation method thereof
CN111690324A (en) Corrosion-resistant chromium-free coating and surface treatment process thereof
CN109112519A (en) Aluminium alloy extrusions chrome-free tanning agent containing graphene oxide and preparation method thereof
CN104762000A (en) Salt-spray resistant water-borne container and environment-friendly metallic paint thereof
CN104387941A (en) Acid-resistant, alkali-resistant and corrosive-resistant coating and preparation method thereof
CN102847671A (en) Method for coating non-adhesive coating on surface of elevator or staircase and non-adhesive coating
CN105017921B (en) A kind of oiliness changes water-base epoxy anti-corrosive primer and preparation method thereof
JP5981636B2 (en) Zinc-based composite materials and use thereof
CN106009794A (en) Comprehensive anti-corrosion coating with alloy co-doping, Dacromet and sealing layer
CN106009806B (en) Composite ceramics coating and its preparation method and application
CN102962187A (en) Transformer oil tank and painting technique for parts thereof
CN108977003A (en) Watery anti-corrosion low temperature self-drying paint and anti-flash rusting coating process for ironcasting
CN109575657B (en) High-adhesion high-flexibility flash rust-proof water-based inorganic zinc-rich coating and preparation method thereof
CN103436137A (en) High-wear-resistant and heavy-corrosion-protection ceramic coating
CN108329807A (en) A kind of single-component water-based acrylic acid -ol acid graphene anticorrosive paint of quick-drying

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17925416

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17925416

Country of ref document: EP

Kind code of ref document: A1