CN116179063A - Environment-friendly water-based pearlescent paint and preparation method thereof - Google Patents
Environment-friendly water-based pearlescent paint and preparation method thereof Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 239000003973 paint Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 50
- 239000000839 emulsion Substances 0.000 claims abstract description 48
- 239000002270 dispersing agent Substances 0.000 claims abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 30
- 239000008367 deionised water Substances 0.000 claims abstract description 22
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims abstract description 21
- 229920005989 resin Polymers 0.000 claims abstract description 21
- 239000002562 thickening agent Substances 0.000 claims abstract description 20
- 239000002002 slurry Substances 0.000 claims abstract description 15
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 13
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 13
- 229920002635 polyurethane Polymers 0.000 claims abstract description 13
- 239000004814 polyurethane Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims description 44
- 239000011248 coating agent Substances 0.000 claims description 41
- 238000003756 stirring Methods 0.000 claims description 21
- 239000013530 defoamer Substances 0.000 claims description 18
- 239000002966 varnish Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 14
- 238000004062 sedimentation Methods 0.000 claims description 13
- 230000007613 environmental effect Effects 0.000 claims description 8
- CUVLMZNMSPJDON-UHFFFAOYSA-N 1-(1-butoxypropan-2-yloxy)propan-2-ol Chemical compound CCCCOCC(C)OCC(C)O CUVLMZNMSPJDON-UHFFFAOYSA-N 0.000 claims description 3
- IBLKWZIFZMJLFL-UHFFFAOYSA-N 1-phenoxypropan-2-ol Chemical compound CC(O)COC1=CC=CC=C1 IBLKWZIFZMJLFL-UHFFFAOYSA-N 0.000 claims description 3
- 241000208202 Linaceae Species 0.000 claims description 3
- 235000004431 Linum usitatissimum Nutrition 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 239000000440 bentonite Substances 0.000 claims description 3
- 229910000278 bentonite Inorganic materials 0.000 claims description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 3
- 229920001400 block copolymer Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- -1 polysiloxane Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 239000012752 auxiliary agent Substances 0.000 abstract description 6
- 239000002518 antifoaming agent Substances 0.000 abstract description 5
- 239000011159 matrix material Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000013329 compounding Methods 0.000 description 3
- 230000032798 delamination Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
Classifications
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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
-
- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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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
- C09D5/36—Pearl essence, e.g. coatings containing platelet-like pigments for pearl lustre
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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
- C09D7/20—Diluents or solvents
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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
- C09D7/45—Anti-settling agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
Description
技术领域technical field
本发明属于涂料技术领域，具体涉及一种环保水性珠光涂料及其制备方法。The invention belongs to the technical field of coatings, and in particular relates to an environment-friendly water-based pearlescent coating and a preparation method thereof.
背景技术Background technique
珠光涂料广泛应用于汽车、建材、家具、机器以及饰品和工艺品的表面处理等诸多行业领域。传统溶剂型珠光涂料含有大量有毒溶剂，施工时造成严重环境污染，且对施工人员的健康存在巨大危害，而要解决这些问题必将导致成本大幅提升。Pearlescent coatings are widely used in many industries such as automobiles, building materials, furniture, machines, and surface treatment of ornaments and handicrafts. Traditional solvent-based pearlescent coatings contain a large amount of toxic solvents, which cause serious environmental pollution during construction and pose great hazards to the health of construction workers. Solving these problems will inevitably lead to a significant increase in costs.
尽管目前市面已有水性珠光涂料产品，但与溶剂型产品一样，大多数是通过添加默克珠光浆赋予珠光效果，成本较高，也有少数产品通过添加珠光粉制备水性珠光涂料，但由于体系中珠光粉分布均匀性较差，喷涂后产品表面光滑性较差，光泽不均匀，导致无法很好的推广使用。Although there are water-based pearlescent coating products on the market, like solvent-based products, most of them are made of pearlescent effect by adding Merck pearlescent paste, which is relatively expensive. There are also a few products that are prepared by adding pearlescent powder. However, due to the The distribution uniformity of the pearl powder is poor, the surface smoothness of the product after spraying is poor, and the gloss is uneven, which makes it impossible to promote and use it well.
发明内容Contents of the invention
本发明旨在至少在一定程度上解决相关技术中的技术问题之一。为此，本发明的主要目的在于：在兼顾经济性和实用性的原则上，研制出性能优良、价格低廉、安全环保的环保水性珠光涂料。本发明还提供了该环保水性珠光涂料的制备方法。The present invention aims to solve one of the technical problems in the related art at least to a certain extent. For this reason, the main purpose of the present invention is: on the principle of taking into account both economy and practicability, develop the environment-friendly water-based pearlescent coating with excellent performance, low price, safety and environmental protection. The invention also provides a preparation method of the environment-friendly water-based pearlescent paint.
本发明的目的是通过以下技术方案实现的：The purpose of the present invention is achieved by the following technical solutions:
一种环保水性珠光涂料，以重量份计，其包括如下组分：水性树脂乳液40-55份；珠光粉6-10份；分散剂3-5份；防沉剂1-3份；定向排列助剂1-3份；消泡剂0.5-2份；流平剂1-2份；成膜助剂2-3份；增稠剂1-2份；乙醇8-10份；去离子水13-18份。An environment-friendly water-based pearlescent paint, which comprises the following components in parts by weight: 40-55 parts of water-based resin emulsion; 6-10 parts of pearlescent powder; 3-5 parts of dispersant; 1-3 parts of anti-sedimentation agent; 1-3 parts of auxiliary agent; 0.5-2 parts of defoamer; 1-2 parts of leveling agent; 2-3 parts of film-forming aid; 1-2 parts of thickener; -18 servings.
在某些具体实施例中，该环保水性珠光涂料，以重量份计，其包括如下组分：水性树脂乳液40份；珠光粉8份；分散剂5份；防沉剂3份；定向排列助剂2份；消泡剂0.5份；流平剂1份；成膜助剂2份；增稠剂1份；乙醇10份；去离子水15份。In some specific embodiments, the environmentally friendly water-based pearlescent coating includes the following components in parts by weight: 40 parts of water-based resin emulsion; 8 parts of pearl powder; 5 parts of dispersant; 3 parts of anti-settling agent; 2 parts of agent; 0.5 parts of defoamer; 1 part of leveling agent; 2 parts of film-forming aid; 1 part of thickener; 10 parts of ethanol; 15 parts of deionized water.
在某些具体实施例中，该环保水性珠光涂料，以重量份计，其包括如下组分：水性树脂乳液40份；珠光粉6份；分散剂3份；防沉剂1.5份；定向排列助剂1份；消泡剂0.5份；流平剂1份；成膜助剂2份；增稠剂1份；乙醇8份；去离子水13份。In some specific embodiments, the environmentally friendly water-based pearlescent coating includes the following components in parts by weight: 40 parts of water-based resin emulsion; 6 parts of pearl powder; 3 parts of dispersant; 1.5 parts of anti-settling agent; 1 part of antifoaming agent; 0.5 parts of defoamer; 1 part of leveling agent; 2 parts of film-forming aid; 1 part of thickener; 8 parts of ethanol; 13 parts of deionized water.
在某些具体实施例中，该环保水性珠光涂料，以重量份计，其包括如下组分：水性树脂乳液40份；珠光粉8份；分散剂5份；防沉剂3份；定向排列助剂2份；消泡剂1份；流平剂1.5份；成膜助剂2.5份；增稠剂1份；乙醇10份；去离子水17份。In some specific embodiments, the environmentally friendly water-based pearlescent coating includes the following components in parts by weight: 40 parts of water-based resin emulsion; 8 parts of pearl powder; 5 parts of dispersant; 3 parts of anti-settling agent; 2 parts of antifoaming agent; 1.5 parts of leveling agent; 2.5 parts of film-forming aid; 1 part of thickener; 10 parts of ethanol; 17 parts of deionized water.
在某些具体实施例中，该环保水性珠光涂料，以重量份计，其包括如下组分：水性树脂乳液40份；珠光粉8份；分散剂5份；防沉剂3份；定向排列助剂2份；消泡剂1.5份；流平剂2份；成膜助剂3份；增稠剂1.5份；乙醇10份；去离子水18份。In some specific embodiments, the environmentally friendly water-based pearlescent coating includes the following components in parts by weight: 40 parts of water-based resin emulsion; 8 parts of pearl powder; 5 parts of dispersant; 3 parts of anti-settling agent; 2 parts of antifoaming agent; 1.5 parts of defoaming agent; 2 parts of leveling agent; 3 parts of film-forming aid; 1.5 parts of thickener; 10 parts of ethanol;
在某些具体实施例中，所述珠光粉的目数为400-600目。In some specific embodiments, the pearlescent powder has a mesh size of 400-600 mesh.
在某些具体实施例中，所述水性树脂乳液为水性聚氨酯乳液和水性丙烯酸树脂乳液的混合物。In some specific embodiments, the water-based resin emulsion is a mixture of water-based polyurethane emulsion and water-based acrylic resin emulsion.
在某些具体实施例中，所述分散剂为带颜料亲和基团的高分子嵌段共聚物；所述防沉剂为亚麻纤维素和膨润土的混合物。In some specific embodiments, the dispersant is a polymer block copolymer with pigment affinity groups; the anti-sedimentation agent is a mixture of flax cellulose and bentonite.
在某些具体实施例中，所述定向排列助剂为非离子型的乙烯醋酸乙酯共聚乳液；所述消泡剂为聚醚改性树脂和改性聚硅氧烷复配而成；所述成膜助剂为丙二醇苯醚、二丙二醇丁醚和醇脂十二复配而成。In some specific embodiments, the alignment aid is non-ionic ethylene ethyl acetate copolymer emulsion; the defoamer is compounded from polyether modified resin and modified polysiloxane; the The film-forming aid is compounded from propylene glycol phenyl ether, dipropylene glycol butyl ether and alcohol fat twelve.
一种前述环保水性珠光涂料的制备方法，包括如下步骤：A kind of preparation method of aforementioned environment-friendly water-based pearlescent paint, comprises the steps:
1)将两种水性树脂乳液混合，加入去离子水、分散剂、防沉剂、消泡剂、流平剂，在500-1000r/min下搅拌5-10min后，依次加入成膜助剂、乙醇、增稠剂、去离子水，在1000-1500r/min下搅拌3-5min，得到光油；1) Mix the two water-based resin emulsions, add deionized water, dispersant, anti-settling agent, defoamer, leveling agent, stir at 500-1000r/min for 5-10min, then add film-forming aids, Ethanol, thickener, deionized water, stirred at 1000-1500r/min for 3-5min to obtain varnish;
2)将珠光粉、去离子水、乙醇、分散剂、防沉剂混合后，获得水性珠光浆；将水性珠光浆超声分散5-10min后加入光油中，在300-500r/min下搅拌30-60min，再加入定向排列助剂，在200-300r/min下搅拌3-5min，即得到成品。2) After mixing pearlescent powder, deionized water, ethanol, dispersant, and anti-sedimentation agent, water-based pearlescent slurry is obtained; ultrasonically disperse the aqueous pearlescent slurry for 5-10 minutes, add it to the varnish, and stir at 300-500r/min for 30 -60min, then add alignment aids, and stir at 200-300r/min for 3-5min to obtain the finished product.
与现有技术相比，本发明至少具有以下优点：Compared with the prior art, the present invention has at least the following advantages:
1)本发明所提供的环保水性珠光涂料，通过采用特定目数的珠光粉(400-600目)，辅以科学合理的分散剂、防沉剂及溶剂体系，在通过超声分散后得到水性珠光浆，使得该水性珠光浆的光泽性良好且均匀稳定，静置24h未出现分层现象；1) The environment-friendly water-based pearlescent coating provided by the present invention obtains water-based pearlescent coating after ultrasonic dispersion by adopting a specific mesh number of pearlescent powder (400-600 mesh), supplemented with scientific and reasonable dispersant, anti-sedimentation agent and solvent system slurry, so that the gloss of the water-based pearlescent slurry is good and uniform and stable, and no delamination occurs after standing for 24 hours;
2)本发明所提供的环保水性珠光涂料，以水性聚氨酯乳液和水性丙烯酸树脂复配作为乳液基体，赋予了涂层良好的柔韧性、耐磨性和优异的光泽度，通过采用特定比例的乳液基体，同时辅以各助剂合理配比提高水性珠光浆在光油中的展色性，且通过后添加定向排列助剂，使得该水性珠光涂料在保持较低成本时，具有优异的附着力、硬度和光泽度，且其还具有优异的均匀稳定性。2) The environment-friendly water-based pearlescent coating provided by the present invention is compounded with water-based polyurethane emulsion and water-based acrylic resin as the emulsion matrix, which endows the coating with good flexibility, abrasion resistance and excellent gloss. By using a specific proportion of the emulsion At the same time, it is supplemented with a reasonable proportion of various additives to improve the color development of the water-based pearlescent paste in the varnish, and after the addition of alignment aids, the water-based pearlescent coating has excellent adhesion while maintaining a low cost , hardness and gloss, and it also has excellent uniform stability.
3)本发明所提供的环保水性珠光涂料，选用两种水性树脂基体作为水性乳液，符合环保要求，且具备快干特性，通过在体系中复配乙醇，使得产品60℃下1min左右表干，施工性良好。3) The environment-friendly water-based pearlescent coating provided by the present invention uses two kinds of water-based resin substrates as the water-based emulsion, which meets the requirements of environmental protection and has quick-drying properties. By compounding ethanol in the system, the product is dry in about 1 minute at 60°C. Good construction.
具体实施方式Detailed ways
下面具体的实施例对本发明作进一步详述，以下实施例只是描述性的，不是限定性的，不能以此限定本发明的保护范围。The following specific examples describe the present invention in further detail, and the following examples are only descriptive, not limiting, and cannot limit the protection scope of the present invention with this.
当以范围、优选范围、或者优选的数值上限以及下限的形式表述某个量、浓度或其它值或参数的时候，应当理解相当于具体揭示了通过将任意一对范围上限或优选数值与任意范围下限或优选数值结合起来的任何范围，而不考虑该范围是否具体揭示。除非另外指出，本文所列出的数值范围值在包括范围的端点，和该范围之内的所有整数和分数。When an amount, concentration or other value or parameter is expressed in terms of a range, preferred range, or preferred upper and lower numerical limits, it is understood that it is Any range combining lower limits or preferred values, regardless of whether that range is specifically disclosed. Unless otherwise indicated, numerical range values recited herein are inclusive of the range endpoints, and all integers and fractions within that range.
除非另外说明，本文中所有的百分比、份数、比值等均是按重量计。All percentages, parts, ratios, etc. herein are by weight unless otherwise indicated.
本文的材料、方法和实施例均是示例性的，并且除非特别说明，不应理解为限制性的。The materials, methods, and examples herein are exemplary and should not be construed as limiting unless otherwise specified.
除非另有说明，本文中所用的专业与科学术语与本领域熟练人员所熟悉的意义相同。此外，任何与所记载内容相似或均等的方法或材料也可应用于本发明中。实施例中未注明具体条件的实验方法，通常按照常规条件或按照制造厂商所建议的条件。Unless otherwise specified, professional and scientific terms used herein have the same meanings as those familiar to those skilled in the art. In addition, any method or material similar or equivalent to the content described can also be applied in the present invention. For the experimental methods that do not specify specific conditions in the examples, usually follow the conventional conditions or the conditions suggested by the manufacturer.
一种环保水性珠光涂料，以重量份计，其包括如下组分：水性树脂乳液40-55份；珠光粉6-10份；分散剂3-5份；防沉剂1-3份；定向排列助剂1-3份；消泡剂0.5-2份；流平剂1-2份；成膜助剂2-3份；增稠剂1-2份；乙醇8-10份；去离子水13-18份。An environment-friendly water-based pearlescent paint, which comprises the following components in parts by weight: 40-55 parts of water-based resin emulsion; 6-10 parts of pearlescent powder; 3-5 parts of dispersant; 1-3 parts of anti-sedimentation agent; 1-3 parts of auxiliary agent; 0.5-2 parts of defoamer; 1-2 parts of leveling agent; 2-3 parts of film-forming aid; 1-2 parts of thickener; -18 servings.
下述实施例中，所采用的珠光粉的目数为400-600目；In following embodiment, the order number of the pearl powder that adopts is 400-600 order;
所述水性树脂乳液为质量比为10-25:15-30的水性聚氨酯乳液(广东省蜂巢纳米材料有限公司，119-E0509)和水性丙烯酸树脂乳液(黄山市中昊新材料有限公司，ZH-6014)的混合物；The water-based resin emulsion is a water-based polyurethane emulsion (Guangdong Honeycomb Nano Material Co., Ltd., 119-E0509) and a water-based acrylic resin emulsion (Huangshan Zhonghao New Material Co., Ltd., ZH- 6014) mixtures;
所述分散剂购自佛山市千佑化工有限公司，该分散剂为型号AKN-2091和AKN-2011,其均为带颜料亲和基团的高分子嵌段共聚物；下述实施例中采用的分散剂为质量比1：1的AKN-2091和AKN-2011的混合物。Described dispersant is purchased from Foshan Qianyou Chemical Co., Ltd., and this dispersant is model AKN-2091 and AKN-2011, and it is the polymer block copolymer of band pigment affinity group; Adopt in following embodiment The dispersant is a mixture of AKN-2091 and AKN-2011 with a mass ratio of 1:1.
所述防沉剂为质量比为2:1的亚麻纤维素和膨润土的混合物；Described anti-sedimentation agent is the mixture of the flax cellulose and bentonite that mass ratio is 2:1;
所述定向排列助剂为二种非离子型的乙烯醋酸乙酯共聚乳液复配而成，该定向排列助剂的购自东莞市蒂亚新材料有限公司，型号为8421A和8241B,下述实施例中采用的定性排列助剂为质量比为3:1的8421A和8421B的混合物；The alignment aid is compounded by two kinds of nonionic ethylene ethyl acetate copolymer emulsions. The alignment aid is purchased from Dongguan Tiya New Material Co., Ltd., the models are 8421A and 8241B, and the following implementation The qualitative arrangement aid that adopts in the example is the mixture of 8421A and 8421B that mass ratio is 3:1;
所述消泡剂为质量比为4:1的聚醚改性树脂(佛山市南海大田化学有限公司，DT-250)和改性聚硅氧烷(佛山市千佑化工有限公司，AKN-3801)复配而成；The defoamer is a polyether modified resin (Foshan Nanhai Datian Chemical Co., Ltd., DT-250) and a modified polysiloxane (Foshan Qianyou Chemical Co., Ltd., AKN-3801) with a mass ratio of 4:1. ) compounded;
所述成膜助剂为质量比为1:2：1丙二醇苯醚、二丙二醇丁醚和醇脂十二复配而成。The film-forming aid is compounded with propylene glycol phenyl ether, dipropylene glycol butyl ether and alcohol fat twelve at a mass ratio of 1:2:1.
水可以选用蒸馏水或者去离子水，流平剂可以选用迪高410，增稠剂可以选用海明斯299，乙醇的体积浓度为99.5％。Distilled water or deionized water can be used for water, Tego 410 can be used for leveling agent, Hemings 299 can be used for thickener, and the volume concentration of ethanol is 99.5%.
下述实施例中，光泽度(20℃)通过GB/T9754进行测试；附着力通过GB/T9286进行测试；铅笔硬度通过GB/T6739进行测试；表干时间通过手指触摸进行测试。In the following examples, gloss (20° C.) is tested by GB/T9754; adhesion is tested by GB/T9286; pencil hardness is tested by GB/T6739; surface dry time is tested by finger touch.
实施例1Example 1
本发明所提供的环保水性珠光涂料，通过如下方法制备：将25份水性聚氨酯乳液和15份水性丙烯酸树脂乳液混合，在1000r/min搅拌条件下加入5份去离子水、2份分散剂、1份防沉剂、0.5份消泡剂、1份流平剂，搅拌8min，然后在1500r/min搅拌条件下依次加入2份成膜助剂、5份乙醇、1份增稠剂和5份去离子水，搅拌5min得到光油；将8份珠光粉、5份去离子水、5份乙醇、3份分散剂、2份防沉剂混合，获得水性珠光浆，将水性珠光浆超声分散5min后加入光油中，在500r/min搅拌条件下搅拌60min，最后加入2份的定向排列助剂，在300r/min下搅拌3min，得到水性珠光涂料。The environment-friendly water-based pearlescent coating provided by the present invention is prepared by the following method: 25 parts of water-based polyurethane emulsion and 15 parts of water-based acrylic resin emulsion are mixed, and 5 parts of deionized water, 2 parts of dispersant, 1 1 part of anti-settling agent, 0.5 part of defoamer, 1 part of leveling agent, stirred for 8 minutes, and then added 2 parts of film-forming aids, 5 parts of ethanol, 1 part of thickener and 5 parts of Ionized water, stirred for 5 minutes to obtain varnish; mix 8 parts of pearlescent powder, 5 parts of deionized water, 5 parts of ethanol, 3 parts of dispersant, and 2 parts of anti-sedimentation agent to obtain water-based pearlescent slurry, and ultrasonically disperse the water-based pearlescent slurry for 5 minutes Add it into the varnish, stir for 60 minutes under the stirring condition of 500 r/min, and finally add 2 parts of alignment aid, and stir for 3 minutes under 300 r/min to obtain the water-based pearlescent coating.
实施例2Example 2
本发明所提供的环保水性珠光涂料，通过如下方法制备：将25份水性聚氨酯乳液和15份水性丙烯酸树脂乳液混合，在1000r/min搅拌条件下加入5份去离子水、1份分散剂、0.5份防沉剂、0.5份消泡剂、1份流平剂，搅拌8min，然后在1500r/min搅拌条件下依次加入2份成膜助剂、5份乙醇、1份增稠剂和5份去离子水，搅拌5min得到光油；将6份珠光粉、3份去离子水、3份乙醇、2份分散剂、1份防沉剂混合，获得水性珠光浆，将水性珠光浆超声分散5min后加入光油中，在500r/min搅拌条件下搅拌40min，最后加入1份的定向排列助剂，在200r/min下搅拌3min，得到水性珠光涂料。The environment-friendly water-based pearlescent coating provided by the present invention is prepared by the following method: mixing 25 parts of water-based polyurethane emulsion and 15 parts of water-based acrylic resin emulsion, adding 5 parts of deionized water, 1 part of dispersant, 0.5 1 part of anti-settling agent, 0.5 part of defoamer, 1 part of leveling agent, stirred for 8 minutes, and then added 2 parts of film-forming aids, 5 parts of ethanol, 1 part of thickener and 5 parts of Ionized water, stirred for 5 minutes to obtain varnish; mix 6 parts of pearlescent powder, 3 parts of deionized water, 3 parts of ethanol, 2 parts of dispersant, and 1 part of anti-sedimentation agent to obtain water-based pearlescent slurry, and ultrasonically disperse the water-based pearlescent slurry for 5 minutes Add it to the varnish, stir for 40 minutes under the stirring condition of 500r/min, and finally add 1 part of alignment aid, and stir for 3 minutes at 200r/min to obtain the water-based pearlescent coating.
实施例3Example 3
本发明所提供的环保水性珠光涂料，通过如下方法制备：将20份水性聚氨酯乳液和20份水性丙烯酸树脂乳液混合，在1000r/min搅拌条件下加入7份去离子水、2份分散剂、1份防沉剂、1份消泡剂、1.5份流平剂，搅拌10min，然后在1500r/min搅拌条件下依次加入2.5份成膜助剂、5份乙醇、1份增稠剂和5份去离子水，搅拌5min得到光油；将8份珠光粉、5份去离子水、5份乙醇、3份分散剂、2份防沉剂混合，获得水性珠光浆，将水性珠光浆超声分散5min后加入光油中，在500r/min搅拌条件下搅拌60min，最后加入2份的定向排列助剂，在300r/min下搅拌3min，得到水性珠光涂料。The environment-friendly water-based pearlescent coating provided by the present invention is prepared by the following method: 20 parts of water-based polyurethane emulsion and 20 parts of water-based acrylic resin emulsion are mixed, and 7 parts of deionized water, 2 parts of dispersant, 1 1 part of anti-settling agent, 1 part of defoamer, 1.5 parts of leveling agent, stirred for 10 minutes, and then added 2.5 parts of film-forming aids, 5 parts of ethanol, 1 part of thickener and 5 parts of Ionized water, stirred for 5 minutes to obtain varnish; mix 8 parts of pearlescent powder, 5 parts of deionized water, 5 parts of ethanol, 3 parts of dispersant, and 2 parts of anti-sedimentation agent to obtain water-based pearlescent slurry, and ultrasonically disperse the water-based pearlescent slurry for 5 minutes Add it into the varnish, stir for 60 minutes under the stirring condition of 500 r/min, and finally add 2 parts of alignment aid, and stir for 3 minutes under 300 r/min to obtain the water-based pearlescent coating.
实施例4Example 4
本发明所提供的环保水性珠光涂料，通过如下方法制备：将10份水性聚氨酯乳液和30份水性丙烯酸树脂乳液混合，在1000r/min搅拌条件下加入8份去离子水、2份分散剂、1份防沉剂、1.5份消泡剂、2份流平剂，搅拌10min，然后在1500r/min搅拌条件下依次加入3份成膜助剂、5份乙醇、1.5份增稠剂和5份去离子水，搅拌5min得到光油；将8份珠光粉、5份去离子水、5份乙醇、3份分散剂、2份防沉剂混合，获得水性珠光浆，将水性珠光浆超声分散5min后加入光油中，在500r/min搅拌条件下搅拌60min，最后加入2份的定向排列助剂，在300r/min下搅拌3min，得到水性珠光涂料。The environment-friendly water-based pearlescent coating provided by the present invention is prepared by the following method: 10 parts of water-based polyurethane emulsion and 30 parts of water-based acrylic resin emulsion are mixed, and 8 parts of deionized water, 2 parts of dispersant, 1 part of dispersant are added under 1000 r/min stirring condition 1 part of anti-settling agent, 1.5 parts of defoamer, 2 parts of leveling agent, stirred for 10 minutes, and then added 3 parts of film-forming aids, 5 parts of ethanol, 1.5 parts of thickener and 5 parts of Ionized water, stirred for 5 minutes to obtain varnish; mix 8 parts of pearlescent powder, 5 parts of deionized water, 5 parts of ethanol, 3 parts of dispersant, and 2 parts of anti-sedimentation agent to obtain water-based pearlescent slurry, and ultrasonically disperse the water-based pearlescent slurry for 5 minutes Add it into the varnish, stir for 60 minutes under the stirring condition of 500 r/min, and finally add 2 parts of alignment aid, and stir for 3 minutes under 300 r/min to obtain the water-based pearlescent coating.
对比例1：Comparative example 1:
本对比例中的环保水性珠光涂料，其组分和配比与实施例2基本相同，不同之处在于含有40份水性聚氨酯乳液，且不含有水性丙烯酸树脂乳液；其制备方法与实施例2相同；The environmental protection water-based pearlescent coating in this comparative example, its component and proportioning are basically identical with embodiment 2, and difference is to contain 40 parts of water-based polyurethane emulsions, and does not contain water-based acrylic resin emulsion; Its preparation method is identical with embodiment 2 ;
对比例2：Comparative example 2:
本对比例中的环保水性珠光涂料，其组分和配比与实施例2基本相同，不同之处在于含有40份水性丙烯酸树脂乳液，且不含有水性聚氨酯乳液；其制备方法与实施例2相同；The environmental protection water-based pearlescent coating in this comparative example, its component and proportioning are basically identical with embodiment 2, and difference is to contain 40 parts of water-based acrylic resin emulsions, and does not contain water-based polyurethane emulsion; Its preparation method is identical with embodiment 2 ;
对比例3：Comparative example 3:
本发明所提供的环保水性珠光涂料，通过如下方法制备：将25份水性聚氨酯乳液和15份水性丙烯酸树脂乳液混合，在1000r/min搅拌条件下加入13份去离子水、6份珠光粉、3份分散剂、1.5份防沉剂、0.5份消泡剂、1份流平剂、2份成膜助剂、8份乙醇、1份增稠剂，在500r/min搅拌条件下搅拌40min，最后加入1份定向排列助剂，在200r/min下搅拌3min，得到水性珠光涂料。The environment-friendly water-based pearlescent coating provided by the present invention is prepared by the following method: 25 parts of water-based polyurethane emulsion and 15 parts of water-based acrylic resin emulsion are mixed, and 13 parts of deionized water, 6 parts of pearl powder, 3 parts of deionized water are added under the stirring condition of 1000r/min. 1 part of dispersant, 1.5 parts of anti-settling agent, 0.5 part of defoamer, 1 part of leveling agent, 2 parts of film-forming aid, 8 parts of ethanol, 1 part of thickener, stirred at 500r/min for 40min, and finally Add 1 part of alignment aid and stir for 3 minutes at 200 r/min to obtain a water-based pearlescent coating.
对比例4Comparative example 4
本对比例中的环保水性珠光涂料，其组分和配比与实施例2基本相同，不同之处在于采用的珠光粉的目数为350目；其制备方法与实施例2相同。The environmental protection water-based pearlescent coating in this comparative example, its component and proportioning are basically identical with embodiment 2, difference is that the mesh number of the pearlescent powder that adopts is 350 orders; Its preparation method is identical with embodiment 2.
对比例5Comparative example 5
本对比例中的环保水性珠光涂料，其组分和配比与实施例2基本相同，不同之处在于采用的珠光粉的目数为650目；其制备方法与实施例2相同。The environmental protection water-based pearlescent coating in this comparative example, its component and proportioning are basically identical with embodiment 2, difference is that the mesh number of the pearlescent powder that adopts is 650 orders; Its preparation method is identical with embodiment 2.
本申请对实施例1-4中制备所得的水性珠光浆进行稳定性能测试，具体为将制备好的水性珠光浆在室温下放置24h，未出现分层现象；说明该水性珠光浆具有优异的均匀稳定性。The application carries out the stability performance test on the water-based pearlescent paste prepared in Examples 1-4, specifically, the prepared water-based pearlescent paste is placed at room temperature for 24 hours, and no delamination occurs; it shows that the water-based pearlescent paste has excellent uniformity. stability.
本申请对上述实施例1-4和对比例1-5制备所得的环保水性珠光涂料进行性能测试，结果如表1所示：The application carries out the performance test to the environment-friendly water-based pearlescent coating that above-mentioned embodiment 1-4 and comparative example 1-5 prepare, and the result is as shown in table 1:
备注：均匀稳定性的测试方法为将环保水性珠光涂料在25℃下放置一周，看其是否分层，若分层则判定为不合格；若不分层且制备的涂层的光泽度、附着力、铅笔硬度和表干时间均符合要求，则判定为合格。Remarks: The test method for uniform stability is to place the environmentally friendly water-based pearlescent coating at 25°C for a week to see if it is delaminated. If it is delaminated, it will be judged as unqualified; If the force, pencil hardness and surface dry time all meet the requirements, it is judged as qualified.
从表1可以看出，由本发明所制备的环保水性珠光涂料喷涂后产品具有高光泽、高附着力、高表面硬度以及良好表干性等优点。从对比例1和对比例2与实施例2的对比可知，本申请中的水性聚氨酯乳液与水性丙烯酸树脂乳液复配后产生协同作用，使得该环保水性珠光涂料具有优异的光泽度、附着力和表面硬度；从对比例3与实施例2可知，本申请中的水性环保珠光涂料，通过先制备均匀稳定性好的水性珠光粉，再与光油复配，使得珠光粉能够很好的分散在光油中，形成均匀稳定的环保水性珠光涂料，同时获得符合要求的环保水性珠光涂料；从对比例4、对比例5和实施例2可知，本申请中通过采用特定目数的珠光粉，与本申请中的其它组分协同配合作用，制备获得了具有优异光泽度、附着力、硬度以及施工性能的环保水性珠光涂料。本申请所提供的环保水性珠光涂料，不仅各项性能指标符合相关使用要求，同时具有成本低、环保性佳以及实用性好等优点。As can be seen from Table 1, the sprayed product of the environmentally friendly water-based pearlescent coating prepared by the present invention has the advantages of high gloss, high adhesion, high surface hardness and good surface dryness. From the comparison of Comparative Example 1 and Comparative Example 2 with Example 2, it can be seen that the water-based polyurethane emulsion in the present application and the water-based acrylic resin emulsion produce a synergistic effect after compounding, so that the environmentally friendly water-based pearlescent coating has excellent gloss, adhesion and Surface hardness; From comparative example 3 and embodiment 2, we can know that the water-based environment-friendly pearlescent coating in the present application, by first preparing the water-based pearlescent powder with good uniformity and stability, and then compounding with varnish, the pearlescent powder can be well dispersed in In varnish, form the even and stable environment-friendly water-based pearlescent coating, obtain the environment-friendly water-based pearlescent coating that meets the requirements simultaneously; Known from comparative example 4, comparative example 5 and embodiment 2, by adopting the pearlescent powder of specific mesh number in the application, with Other components in the present application act synergistically to prepare an environmentally friendly water-based pearlescent coating with excellent gloss, adhesion, hardness and construction performance. The environment-friendly water-based pearlescent paint provided by the application not only meets the relevant requirements for use in various performance indicators, but also has the advantages of low cost, good environmental protection and good practicability.
以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围，其均应涵盖在本发明的权利要求和说明书的范围当中。The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be applied to the foregoing embodiments Modifications are made to the technical solutions described, or equivalent replacements are made to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention, and all of them shall be included in Within the scope of the claims and description of the present invention.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117986934A (en) * | 2024-01-22 | 2024-05-07 | 广东美涂士建材股份有限公司 | A brush-coated pearlescent colorful artistic paint and preparation method thereof |
| CN118996865A (en) * | 2024-10-24 | 2024-11-22 | 浙江大学长三角智慧绿洲创新中心 | Thermal control sun-shading cloth and preparation method thereof |
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| CN116179063B (en) | 2024-05-31 |
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