WO2022062402A1 - High-hardness easy-to-clean powder coating and preparation method therefor - Google Patents
High-hardness easy-to-clean powder coating and preparation method therefor Download PDFInfo
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- WO2022062402A1 WO2022062402A1 PCT/CN2021/090929 CN2021090929W WO2022062402A1 WO 2022062402 A1 WO2022062402 A1 WO 2022062402A1 CN 2021090929 W CN2021090929 W CN 2021090929W WO 2022062402 A1 WO2022062402 A1 WO 2022062402A1
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Definitions
- the invention relates to the technical field of coatings, in particular to a high-hardness and easy-to-clean powder coating.
- the existing high-hardness powder coating has been improved compared with the ordinary powder coating, it is found in the actual use process that its hardness is still low, and it is easy to scratch in the actual use process; in addition, the existing high-hardness powder coating Powder coatings also have the problem of high cost; the existing easy-to-clean powder coatings belong to polyurethane systems, which have high cost, poor storage performance, low hardness, poor flexibility and impact performance, and a lot of irritating odor smoke is released during the curing process. , it has obvious poison and pollution to the operator and the environment.
- the existing easy-to-clean powder coating belongs to the polyurethane system, which has high cost, poor storage performance, low hardness, poor flexibility and impact performance, and a lot of irritating odor fumes are released during the curing process, which has obvious effects on operators and the environment. Poison and pollution.
- the present invention provides a high-hardness easy-to-clean powder coating with low cost and excellent adhesion and a preparation method thereof.
- One of the objectives of the present invention is to provide a high-hardness and easy-to-clean powder coating.
- the powder coating is composed of 30-40% polyurethane resin, 30-40% curing agent, 2%-4% pigment, 20-25% filler and 3-5% auxiliaries.
- the powder coating is composed of 35% polyurethane resin, 35% curing agent, 3% pigment, 23% filler and 4% auxiliary agent in terms of mass percentage.
- the polyurethane resin is polyurethane.
- the curing agent is a blocked isocyanate.
- the pigment is a mixture of carbon black and phthalocyanine blue.
- the filler is barium sulfate.
- the auxiliary agent is a mixture of polyethylene, polytetrafluoroethylene and a coupling agent.
- Another object of the present invention is to provide a method for preparing the above-mentioned high-hardness and easy-to-clean powder coating, the method comprising the steps of: mixing the polyurethane resin with a curing agent, pigments, fillers, and auxiliary agents, and stirring them evenly to prepare the powder. coating.
- the present invention has excellent adhesion, abrasion resistance, oil resistance, solvent resistance, water resistance and high temperature resistance. Compared with general products, this product can meet the advantages of its performance in use. For example, the oil stain on the surface of the kitchen appliance can be easily removed during use, and the surface of the coating film has no obvious scratches.
- the various materials include the following components according to mass percentage, polyurethane 35%, blocked isocyanate 35%, carbon black and phthalocyanine blue mixed pigment 3%, filler barium sulfate 23% and co-polyethylene, polytetrafluoroethylene 4% of the auxiliary agent mixed with ethylene and coupling agent is mixed and stirred evenly to prepare the powder coating.
- the various materials include the following components according to the mass percentage, polyurethane resin 35%, curing agent 35%, carbon black and phthalocyanine blue mixed pigment 2.5%, filler barium sulfate 24% and polyethylene, polytetrafluoroethylene and coupling mixing 3.5% of the auxiliary agent, mixed and stirred evenly to prepare the powder coating.
- the various materials include the following components according to mass percentage, polyurethane 32%, blocked isocyanate 38%, carbon black and phthalocyanine blue mixed pigment 2.5%, filler barium sulfate 24.5% and additives polyethylene, polytetrafluoroethylene Vinyl fluoride and coupling agent 3.0% are mixed and stirred evenly to prepare the powder coating.
- the various materials include the following components according to mass percentage, polyurethane 35%, curing agent blocked isocyanate 35%, pigment 3%, filler 22.5% and polyethylene, polytetrafluoroethylene and coupling agent mixed 4.5% , mix and stir evenly to prepare the powder coating.
- Example 1 The antibacterial coatings prepared by Example 1, Example 2, Example 3 and Example 4 all meet the following performance requirements:
- Curing temperature 200°C/10min
- Adhesion cross-cut method/level 0;
- UV-A340 Weather resistance
- Solvent resistance (rubbing alcohol back and forth 50 times): no change in the coating film.
- the present invention has excellent adhesion, abrasion resistance, oil resistance, solvent resistance, water resistance and high temperature resistance. Compared with general products, this product can meet the advantages of its performance in use. For example, oil stains on the surface of kitchen appliances can be easily removed during use, and the surface of the coating film has no obvious scratches. High hardness and easy-to-clean powder coatings can be widely used in refrigerators, washing machines, air conditioners and other household appliances under their excellent performance conditions. And high-end furniture, automobiles, motorcycles, sports equipment and other industries.
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- Chemical & Material Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention provides a high-hardness easy-to-clean powder coating and a preparation method therefor. In mass percentage, the powder coating is composed of 30-40% of polyurethane resin, 30-40% of a curing agent, 2-4% of a pigment, 20-25% of a filler, and 3-5% of an additive.
Description
本发明涉及涂料技术领域，尤其涉及一种高硬度易清洁粉末涂料。The invention relates to the technical field of coatings, in particular to a high-hardness and easy-to-clean powder coating.
现有的高硬度粉末涂料虽然相比普通的粉末涂料硬度有所提升，但是，在实际的使用过程中发现，其硬度仍然较低，在实际使用过程中易刮花；此外现有的高硬度粉末涂料还存在成本高的问题；现有易清洁粉末涂料属于聚氨酯体系，成本很高，储存性能差，硬度较低，柔韧性和冲击性能较差，且固化过程有很多刺激性气味的烟雾放出，对操作工人和环境有明显的毒害和污染。Although the hardness of the existing high-hardness powder coating has been improved compared with the ordinary powder coating, it is found in the actual use process that its hardness is still low, and it is easy to scratch in the actual use process; in addition, the existing high-hardness powder coating Powder coatings also have the problem of high cost; the existing easy-to-clean powder coatings belong to polyurethane systems, which have high cost, poor storage performance, low hardness, poor flexibility and impact performance, and a lot of irritating odor smoke is released during the curing process. , it has obvious poison and pollution to the operator and the environment.
现有易清洁粉末涂料属于聚氨酯体系，成本很高，储存性能差，硬度较低，柔韧性和冲击性能较差，且固化过程有很多刺激性气味的烟雾放出，对操作工人和环境有明显的毒害和污染。The existing easy-to-clean powder coating belongs to the polyurethane system, which has high cost, poor storage performance, low hardness, poor flexibility and impact performance, and a lot of irritating odor fumes are released during the curing process, which has obvious effects on operators and the environment. Poison and pollution.
本发明为了解决现有上述技术问题，提供了一种成本低、优异的附着力的高硬度易清洁粉末涂料及其制备方法。In order to solve the above-mentioned technical problems in the prior art, the present invention provides a high-hardness easy-to-clean powder coating with low cost and excellent adhesion and a preparation method thereof.
本发明目的之一提供一种高硬度易清洁粉末涂料，按照质量百分比计，所述的粉末涂料由30-40%的聚氨酯树脂、30-40%的固化剂、2%-4%的颜料、20-25%的填料以及3-5%的助剂组成。One of the objectives of the present invention is to provide a high-hardness and easy-to-clean powder coating. According to the mass percentage, the powder coating is composed of 30-40% polyurethane resin, 30-40% curing agent, 2%-4% pigment, 20-25% filler and 3-5% auxiliaries.
在一些具体实施方式中，按照质量百分比计，所述的粉末涂料由35%的聚氨酯树脂、35%的固化剂、3%的颜料、23%的填料以及4%的助剂组成。In some specific embodiments, the powder coating is composed of 35% polyurethane resin, 35% curing agent, 3% pigment, 23% filler and 4% auxiliary agent in terms of mass percentage.
在一些具体实施方式中，所述的聚氨酯树脂为聚氨基甲酸酯。In some specific embodiments, the polyurethane resin is polyurethane.
在一些具体实施方式中，所述的固化剂为封闭型异氰酸酯。In some specific embodiments, the curing agent is a blocked isocyanate.
在一些具体实施方式中，所述的颜料为炭黑与酞青蓝的混合。In some specific embodiments, the pigment is a mixture of carbon black and phthalocyanine blue.
在一些具体实施方式中，所述的填料为硫酸钡。In some specific embodiments, the filler is barium sulfate.
在一些具体实施方式中，所述的助剂为聚乙烯、聚四氟乙烯与偶联剂的混合。In some specific embodiments, the auxiliary agent is a mixture of polyethylene, polytetrafluoroethylene and a coupling agent.
本发明的另一个目的在于提供上述所述的高硬度易清洁粉末涂料的制备方法，该方法包括以下步骤：将聚氨酯树脂与固化剂、颜料、填料、助剂混合、搅拌均匀，制得本粉末涂料。Another object of the present invention is to provide a method for preparing the above-mentioned high-hardness and easy-to-clean powder coating, the method comprising the steps of: mixing the polyurethane resin with a curing agent, pigments, fillers, and auxiliary agents, and stirring them evenly to prepare the powder. coating.
本发明具有优异的附着力、耐磨性、耐油性、耐溶剂性、耐水性和耐高温性。相比于一般产品，本产品在使用中可满足其性能的优点。如厨房电器在使用中可以轻松的插除表面的油渍，且涂膜表面无明显划伤。The present invention has excellent adhesion, abrasion resistance, oil resistance, solvent resistance, water resistance and high temperature resistance. Compared with general products, this product can meet the advantages of its performance in use. For example, the oil stain on the surface of the kitchen appliance can be easily removed during use, and the surface of the coating film has no obvious scratches.
下面实施例对本发明作进一步的说明，但并不作为对本发明限制的依据。The following examples further illustrate the present invention, but do not serve as a basis for limiting the present invention.
实施例Example
11
将各种材料按照质量百分比包括以下组分，聚氨基甲酸酯35%、封闭型异氰酸酯35%、炭黑与酞青蓝混合颜料3%、填料 硫酸钡23%以及助聚乙烯、聚四氟乙烯与偶联剂混合的助剂4%，混合、搅拌均匀，制得本粉末涂料。The various materials include the following components according to mass percentage, polyurethane 35%, blocked isocyanate 35%, carbon black and phthalocyanine blue mixed pigment 3%, filler barium sulfate 23% and co-polyethylene, polytetrafluoroethylene 4% of the auxiliary agent mixed with ethylene and coupling agent is mixed and stirred evenly to prepare the powder coating.
实施例Example
22
将各种材料按照质量百分比包括以下组分，聚氨酯树脂35%、固化剂35%、炭黑与酞青蓝混合颜料2.5%、填料 硫酸钡24%以及聚乙烯、聚四氟乙烯与偶联混合的助剂3.5%，混合、搅拌均匀，制得本粉末涂料。The various materials include the following components according to the mass percentage, polyurethane resin 35%, curing agent 35%, carbon black and phthalocyanine blue mixed pigment 2.5%, filler barium sulfate 24% and polyethylene, polytetrafluoroethylene and coupling mixing 3.5% of the auxiliary agent, mixed and stirred evenly to prepare the powder coating.
实施例Example
33
将各种材料按照质量百分比包括以下组分，聚氨基甲酸酯32%、封闭型异氰酸酯38%、炭黑与酞青蓝混合颜料2.5%、填料 硫酸钡24.5%以及助剂 聚乙烯、聚四氟乙烯、偶联剂3.0%，混合、搅拌均匀，制得本粉末涂料。The various materials include the following components according to mass percentage, polyurethane 32%, blocked isocyanate 38%, carbon black and phthalocyanine blue mixed pigment 2.5%, filler barium sulfate 24.5% and additives polyethylene, polytetrafluoroethylene Vinyl fluoride and coupling agent 3.0% are mixed and stirred evenly to prepare the powder coating.
实施例Example
44
将各种材料按照质量百分比包括以下组分，聚氨基甲酸酯35%、固化剂 封闭型异氰酸酯35%、颜料3%、填料 22.5%以及聚乙烯、聚四氟乙烯与偶联剂混合4.5%，混合、搅拌均匀，制得本粉末涂料。The various materials include the following components according to mass percentage, polyurethane 35%, curing agent blocked isocyanate 35%, pigment 3%, filler 22.5% and polyethylene, polytetrafluoroethylene and coupling agent mixed 4.5% , mix and stir evenly to prepare the powder coating.
实施例1、实施例2、实施例3与实施例4制得的抗菌涂料均满足以下性能要求：The antibacterial coatings prepared by Example 1, Example 2, Example 3 and Example 4 all meet the following performance requirements:
筛余物（125μm/%）： 0；Sieve residue (125μm/%): 0;
膜厚： 60-80μm；Film thickness: 60-80μm;
固化温度： 200℃/10min；Curing temperature: 200℃/10min;
硬度≥ ： 4H；Hardness ≥ : 4H;
弯曲试验/mm ： ≤4；Bending test/mm: ≤4;
耐冲击性/cm： 正冲50 ；Impact resistance/cm: positive punch 50;
附着力划格法/级： 0 ；Adhesion cross-cut method/level: 0;
耐候性能 (UV-A340): ≥500h；Weather resistance (UV-A340): ≥500h;
耐溶剂性能（酒精来回擦拭50次）：涂膜无变化。Solvent resistance (rubbing alcohol back and forth 50 times): no change in the coating film.
本发明具有优异的附着力、耐磨性、耐油性、耐溶剂性、耐水性和耐高温性。相比于一般产品，本产品在使用中可满足其性能的优点。如厨房电器在使用中可以轻松的插除表面的油渍，且涂膜表面无明显划伤，高硬度易清洁粉末涂料在其优异的性能条件下，可广泛应用于冰箱、洗衣机、空调等家用电器及高级家具、汽车、摩托车、体育器材等产业。The present invention has excellent adhesion, abrasion resistance, oil resistance, solvent resistance, water resistance and high temperature resistance. Compared with general products, this product can meet the advantages of its performance in use. For example, oil stains on the surface of kitchen appliances can be easily removed during use, and the surface of the coating film has no obvious scratches. High hardness and easy-to-clean powder coatings can be widely used in refrigerators, washing machines, air conditioners and other household appliances under their excellent performance conditions. And high-end furniture, automobiles, motorcycles, sports equipment and other industries.
产品经济社会效益预计分析表如下所示：The expected analysis table of product economic and social benefits is as follows:
| 投产年份Year of production | 单位成本（万元）Unit cost (ten thousand yuan) | 产量（吨）Production (tons) | 产值（万元）Output value (ten thousand yuan) | 销售额（万元）Sales (ten thousand yuan) | 利润（万元）Profit (ten thousand yuan) | 创汇（万美元）Foreign exchange earnings (million US dollars) | 上缴增值税（万元）Value-added tax paid (ten thousand yuan) |
| 第一年the first year | 1.81.8 | 180180 | 468468 | 468468 | 144144 | 00 | 1414 |
| 第二年the second year | 1.61.6 | 290290 | 725725 | 725725 | 261261 | 00 | 22twenty two |
| 第三年The third year | 1.41.4 | 440440 | 10561056 | 10561056 | 440440 | 00 | 3333 |
Claims (8)
- 一种高硬度易清洁粉末涂料，其特征在于：按照质量百分比计，所述的粉末涂料由30-40%的聚氨酯树脂、30-40%的固化剂、2%-4%的颜料、20-25%的填料以及3-5%的助剂组成。A high-hardness and easy-to-clean powder coating is characterized in that: in terms of mass percentage, the powder coating is composed of 30-40% polyurethane resin, 30-40% curing agent, 2%-4% pigment, 20-40% 25% filler and 3-5% auxiliaries.
- 根据权利要求1所述的一种高硬度易清洁粉末涂料，其特征在于，按照质量百分比计，所述的粉末涂料由35%的聚氨酯树脂、35%的固化剂、3%的颜料、23%的填料以及4%的助剂组成。A kind of high-hardness and easy-to-clean powder coating according to claim 1, characterized in that, according to the mass percentage, the powder coating is composed of 35% polyurethane resin, 35% curing agent, 3% pigment, 23% of fillers and 4% of additives.
- 根据权利要求1所述的一种高硬度易清洁粉末涂料，其特征在于，所述的聚氨酯树脂为聚氨基甲酸酯。The high-hardness and easy-to-clean powder coating according to claim 1, wherein the polyurethane resin is polyurethane.
- 根据权利要求1所述的一种高硬度易清洁粉末涂料，其特征在于，所述的固化剂为封闭型异氰酸酯。The high-hardness and easy-to-clean powder coating according to claim 1, wherein the curing agent is a blocked isocyanate.
- 根据权利要求1所述的一种高硬度易清洁粉末涂料，其特征在于，所述的颜料为炭黑与酞青蓝的混合。The high-hardness and easy-to-clean powder coating according to claim 1, wherein the pigment is a mixture of carbon black and phthalocyanine blue.
- 根据权利要求1所述的一种高硬度易清洁粉末涂料，其特征在于，所述的填料为硫酸钡。The high-hardness and easy-to-clean powder coating according to claim 1, wherein the filler is barium sulfate.
- 根据权利要求1所述的一种高硬度易清洁粉末涂料，其特征在于，所述的助剂为聚乙烯、聚四氟乙烯与偶联剂的混合。The high-hardness and easy-to-clean powder coating according to claim 1, wherein the auxiliary agent is a mixture of polyethylene, polytetrafluoroethylene and a coupling agent.
- 根据权利要求1至权利要求7任意一项所述的一种高硬度易清洁粉末涂料的制备方法，其特征在于：包括以下步骤：将聚氨酯树脂与固化剂、颜料、填料、助剂混合、搅拌均匀。The method for preparing a high-hardness and easy-to-clean powder coating according to any one of claims 1 to 7, wherein the method comprises the following steps: mixing the polyurethane resin with a curing agent, a pigment, a filler, and an auxiliary, stirring evenly.
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