WO2022088115A1 - Water-based paint specially for stainless steel substrate and preparation method therefor - Google Patents
Water-based paint specially for stainless steel substrate and preparation method therefor Download PDFInfo
- Publication number
- WO2022088115A1 WO2022088115A1 PCT/CN2020/125596 CN2020125596W WO2022088115A1 WO 2022088115 A1 WO2022088115 A1 WO 2022088115A1 CN 2020125596 W CN2020125596 W CN 2020125596W WO 2022088115 A1 WO2022088115 A1 WO 2022088115A1
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- parts
- water
- stainless steel
- based paint
- agent
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 143
- 239000003973 paint Substances 0.000 title claims abstract description 79
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 47
- 239000010935 stainless steel Substances 0.000 title claims abstract description 47
- 239000000758 substrate Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims description 14
- 238000003756 stirring Methods 0.000 claims abstract description 31
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 26
- 239000002318 adhesion promoter Substances 0.000 claims abstract description 26
- 229920000570 polyether Polymers 0.000 claims abstract description 26
- 239000003822 epoxy resin Substances 0.000 claims abstract description 24
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 24
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 24
- 229920005749 polyurethane resin Polymers 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 24
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 239000002270 dispersing agent Substances 0.000 claims abstract description 23
- 239000000080 wetting agent Substances 0.000 claims abstract description 23
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims description 40
- 239000013530 defoamer Substances 0.000 claims description 16
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 239000002002 slurry Substances 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 3
- 239000006185 dispersion Substances 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- 239000012855 volatile organic compound Substances 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000003471 anti-radiation Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000013035 low temperature curing Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 238000004383 yellowing 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
- C09D135/00—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 a carboxyl radical, and containing at least another carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D135/02—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D171/00—Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
-
- 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
- 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
-
- 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
Definitions
- the invention relates to the technical field of environmental protection coatings, in particular to a special water-based paint for stainless steel substrates and a preparation method thereof.
- Water-based paint also known as water-based anti-rust paint, water-based steel structure paint, water-based floor paint, water-based wood paint, is harmless to the human body and does not pollute the environment. , anti-aging, anti-yellowing, fast drying, easy to use and so on. Water-based paint can effectively reduce the VOC content in the atmosphere by replacing paint with water-based paint, thereby improving haze weather.
- the purpose of the present invention is to provide a special water-based paint for stainless steel substrates and a preparation method thereof, so as to solve the deficiencies in the prior art.
- a special water-based paint for stainless steel substrates comprising the following raw materials in parts by weight: 25-35 parts of water-based hydroxyl polyurethane resin, 20-30 parts of water-based epoxy resin, 20-30 parts of water-based polyether acrylate, and 15-25 parts of color paste parts, 3-10 parts of defoamer, 2-10 parts of leveling agent, 2-10 parts of wetting agent, 8-15 parts of dispersant and 5-15 parts of adhesion promoter;
- the beneficial effects of the present invention are that the water-based hydroxyl polyurethane resin has excellent abrasion resistance, excellent chemical resistance and oil resistance, strong adhesion, low-temperature curing performance and high decorative performance; the coating film after curing of the water-based epoxy resin is resistant to corrosion Excellent chemical resistance and chemical resistance, and small shrinkage of the coating film, high hardness, good wear resistance, and excellent electrical insulation performance; water-based polyether acrylate has the advantages of low price, safe use, saving resources and energy, and reducing environmental pollution and pollution. Etc.
- the water-based paint prepared from the above-mentioned raw materials in the present invention has moderate viscosity, uniform dispersion of raw materials, good adhesion, fast drying, good film-forming, leveling, anti-corrosion, and strong operability, and can be sprayed, brushed or electrostatically sprayed. It can meet the required transparency and anti-corrosion performance standards; and the product is odorless, non-polluting, non-flammable and non-explosive.
- the above-mentioned color paste is an inorganic color paste.
- the inorganic color paste of the present invention is natural and environmentally friendly, high-quality and healthy, soft in color, beautiful in decoration, strong in weather resistance, superior in rationality, strong in waterproof and moisture-proof, and ventilated and dry.
- the above-mentioned antifoaming agent is a nonionic silicone antifoaming agent.
- the beneficial effect of adopting the above-mentioned further technical scheme is that the nonionic silicone defoamer of the present invention has excellent stability, is easy to disperse in water, and is compatible with the foaming medium in the system.
- adhesion promoter is a polyether compound.
- the adhesion promoter of the present invention can obviously improve the bonding force between resin and various substrates, has high adhesion force, adhesive force and bonding force, and can greatly improve the paint finish and primer.
- the interlayer adhesion between paints significantly improves the moisture resistance, salt spray resistance and heat resistance of the coating film, and has excellent storage stability and long-term durability in paint and coating systems.
- a preparation method of a special water-based paint for stainless steel substrates specifically comprising the following steps:
- the beneficial effect of the present invention is that the preparation method has a simple process and is suitable for large-scale production.
- the stirring speed is 1200-1600r/min, preferably 1500r/min; the time is 15-25min, preferably 20min.
- the stirring speed is 100-300r/min, preferably 200r/min; the time is 5-10min, preferably 8min; naturally cooled to 20-30°C, preferably 25°C.
- the water-based paint of the present invention uses water as a solvent, which saves a lot of resources, is odorless, non-flammable and non-explosive, and does not contain VOC harmful substances such as benzene, xylene, ethane, formaldehyde, etc., eliminates fire hazards during construction and storage, reduces In order to avoid the pollution to the atmosphere, the construction can be carried out as usual in a closed environment;
- the water-based paint of the present invention has strong adhesion on the surface of stainless steel, strong weather resistance, excellent anti-corrosion performance, anti-radiation, simple operation performance, and the painting tools can be directly washed with water, which effectively reduces the damage to construction personnel;
- the water-based paint of the present invention can be directly stirred without any grinding procedure, and the preparation method is simple and reliable.
- model of each raw material and its manufacturer information are as follows:
- Waterborne hydroxyl polyurethane resin model HP-4105, the manufacturer is Guangzhou Junneng Chemical Co., Ltd.;
- Water-based epoxy resin the model is AB-EP-20, the manufacturer is Zhejiang Anbang New Material Development Co., Ltd.;
- Water-based polyether acrylate the model is SN-4383, the manufacturer is Shanghai Shenzhu Chemical Technology Co., Ltd.;
- the model is TSA-10A, the manufacturer is Jiangsu Tengda Auxiliary Co., Ltd.;
- Leveling agent the model is AFCONA-3777, the manufacturer is Haimen Efcona Co., Ltd.;
- wetting agent the model is SN-3704, the manufacturer is Shanghai Shenzhu Chemical Technology Co., Ltd.;
- Dispersant the model is SN-2311, the manufacturer is Shanghai Shenzhu Chemical Technology Co., Ltd.;
- Adhesion promoter the model is TL-BPA, and the manufacturer is Okter Chemical Co., Ltd.
- Water-based paint for stainless steel substrates including the following raw materials: 25kg of water-based hydroxyl polyurethane resin, 20kg of water-based epoxy resin, 20kg of water-based polyether acrylate, 15kg of color paste, 3kg of defoamer, 2kg of leveling agent, and wetting agent 2kg, dispersant 8kg and adhesion promoter 5kg;
- the preparation method of the above-mentioned special water-based paint for stainless steel substrates specifically includes the following steps:
- Special water-based paint for stainless steel substrate including the following raw materials: water-based hydroxy polyurethane resin 28kg, water-based epoxy resin 22kg, water-based polyether acrylate 22kg, color paste 18kg, defoamer 5kg, leveling agent 4kg, wetting agent 4kg, dispersant 10kg and adhesion promoter 8kg;
- the preparation method of the above-mentioned special water-based paint for stainless steel substrates specifically includes the following steps:
- Special water-based paint for stainless steel substrate including the following raw materials: water-based hydroxy polyurethane resin 28kg, water-based epoxy resin 22kg, water-based polyether acrylate 22kg, color paste 18kg, defoamer 5kg, leveling agent 4kg, wetting agent 4kg, dispersant 10kg and adhesion promoter 8kg;
- the preparation method of the above-mentioned special water-based paint for stainless steel substrates specifically includes the following steps:
- Special water-based paint for stainless steel substrate including the following raw materials: water-based hydroxyl polyurethane resin 30kg, water-based epoxy resin 25kg, water-based polyether acrylate 25kg, color paste 25kg, defoamer 10kg, leveling agent 10kg, wetting agent 10kg, dispersant 15kg and adhesion promoter 15kg;
- the preparation method of the above-mentioned special water-based paint for stainless steel substrates specifically includes the following steps:
- Special water-based paint for stainless steel substrate including the following raw materials: water-based hydroxyl polyurethane resin 35kg, water-based epoxy resin 30kg, water-based polyether acrylate 30kg, color paste 25kg, defoamer 10kg, leveling agent 10kg, wetting agent 10kg, dispersant 15kg and adhesion promoter 15kg;
- the preparation method of the above-mentioned special water-based paint for stainless steel substrates specifically includes the following steps:
- Special water-based paint for stainless steel substrate including the following raw materials: water-based hydroxy polyurethane resin 30kg, water-based epoxy resin 25kg, water-based polyether acrylate 25kg, color paste 20kg, defoamer 6kg, leveling agent 5kg, wetting agent 5kg, dispersant 12kg and adhesion promoter 10kg;
- the preparation method of the above-mentioned special water-based paint for stainless steel substrates specifically includes the following steps:
- the water-based paint of the present invention is a uniform and non-hard-block water-based liquid product with low fineness, high gloss and hardness, and excellent blocking resistance, scratch resistance, water resistance, alkali resistance and solvent resistance.
- VOC Volatile organic compound
- MDL means detection limit
- ND means not detected.
- the water-based paint of the present invention does not contain soluble heavy metal elements such as lead, shackle, palladium, cadmium, chromium and mercury, nor does it contain soluble pollution elements such as arsenic and selenium. It shows that the water-based paint of the present invention is safe, environmentally friendly, and pollution-free.
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
Water-based paint specially for a stainless steel substrate, which water-based paint comprises the following raw materials in parts by weight: 25-35 parts of an aqueous hydroxy polyurethane resin, 20-30 parts of an aqueous epoxy resin, 20-30 parts of an aqueous polyether acrylate, 15-25 parts of a color paste, 3-10 parts of a defoaming agent, 2-10 parts of a leveling agent, 2-10 parts of a wetting agent, 8-15 parts of a dispersing agent and 5-15 parts of an adhesion promoter. The method for preparing the water-based paint comprises the following steps: (1) weighing the raw materials; (2) mixing the aqueous hydroxy polyurethane resin, the aqueous epoxy resin and the aqueous polyether acrylate, and stirring same; (3) adding same to the color paste, stirring same, and naturally cooling same; and (4) successively adding the defoaming agent, the leveling agent, the wetting agent, the dispersing agent and the adhesion promoter while stirring to obtain the water-based paint. The obtained water-based paint has moderate viscosity, a uniform dispersion of raw materials, and good adhesion, is fast drying, has good film-forming, leveling and corrosion resistance properties and has strong operability.
Description
本发明涉及环保涂料技术领域，更具体的说是涉及一种不锈钢底材专用水性漆及其制备方法。The invention relates to the technical field of environmental protection coatings, in particular to a special water-based paint for stainless steel substrates and a preparation method thereof.
目前，高铁上一直应用传统的油漆沥青漆产品，主要成分为二甲苯、沥青、丁醇、石油树脂等，属于易燃易爆品，VOC严重超标，环保形势下属于禁用产品。现在大力倡导环保安全，全部改换成环保水性漆产品是必然趋势。At present, traditional paint and asphalt paint products have been used on high-speed rail. The main components are xylene, asphalt, butanol, petroleum resin, etc., which are inflammable and explosive products, and the VOC is seriously exceeded. Now we vigorously advocate environmental protection and safety, and it is an inevitable trend to replace all of them with environmentally friendly water-based paint products.
水性漆，又称水性防锈漆，水性钢构漆，水性地坪漆，水性木器漆，对人体无害，不污染环境，漆膜丰满、晶莹透亮、柔韧性好，并且具有耐水、耐磨、耐老化、耐黄变、干燥快、使用方便等特点。水性漆通过用水漆代替油漆，可以有效减少大气中VOC含量，进而改善雾霾天气。Water-based paint, also known as water-based anti-rust paint, water-based steel structure paint, water-based floor paint, water-based wood paint, is harmless to the human body and does not pollute the environment. , anti-aging, anti-yellowing, fast drying, easy to use and so on. Water-based paint can effectively reduce the VOC content in the atmosphere by replacing paint with water-based paint, thereby improving haze weather.
但是，将水性漆应用于不锈钢时容易产生脱落、附着力低、防腐性能低等弊病。However, when water-based paint is applied to stainless steel, it is prone to fall off, low adhesion, and low corrosion resistance.
因此，如何提供一种专用于不锈钢底材的水性漆是本领域技术人员亟需解决的问题。Therefore, how to provide a water-based paint for stainless steel substrates is an urgent problem for those skilled in the art.
有鉴于此，本发明的目的在于提供一种不锈钢底材专用水性漆及其制备方法，以解决现有技术中的不足。In view of this, the purpose of the present invention is to provide a special water-based paint for stainless steel substrates and a preparation method thereof, so as to solve the deficiencies in the prior art.
为了实现上述目的，本发明采用如下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
一种不锈钢底材专用水性漆，包括以下重量份的原料：水性羟基聚氨酯树脂25-35份、水性环氧树脂20-30份、水性聚醚型丙烯酸酯20-30份、色浆15-25份、消泡剂3-10份、流平剂2-10份、润湿剂2-10份、分散剂8-15份和附着力促进剂5-15份；A special water-based paint for stainless steel substrates, comprising the following raw materials in parts by weight: 25-35 parts of water-based hydroxyl polyurethane resin, 20-30 parts of water-based epoxy resin, 20-30 parts of water-based polyether acrylate, and 15-25 parts of color paste parts, 3-10 parts of defoamer, 2-10 parts of leveling agent, 2-10 parts of wetting agent, 8-15 parts of dispersant and 5-15 parts of adhesion promoter;
优选为：水性羟基聚氨酯树脂28-32份、水性环氧树脂22-28份、水性聚醚型丙烯酸酯22-28份、色浆18-22份、消泡剂5-8份、流平剂4-8份、润湿剂4-8份、分散剂10-13份和附着力促进剂8-12份。Preferably: 28-32 parts of water-based hydroxyl polyurethane resin, 22-28 parts of water-based epoxy resin, 22-28 parts of water-based polyether acrylate, 18-22 parts of color paste, 5-8 parts of defoamer, leveling agent 4-8 parts, wetting agent 4-8 parts, dispersing agent 10-13 parts and adhesion promoter 8-12 parts.
更优选为：水性羟基聚氨酯树脂30份、水性环氧树脂25份、水性聚醚型丙烯酸酯25份、色浆20份、消泡剂6份、流平剂5份、润湿剂5份、分散剂12份和附着力促进剂10份。More preferably: 30 parts of water-based hydroxyl polyurethane resin, 25 parts of water-based epoxy resin, 25 parts of water-based polyether acrylate, 20 parts of color paste, 6 parts of defoamer, 5 parts of leveling agent, 5 parts of wetting agent, 12 parts of dispersant and 10 parts of adhesion promoter.
本发明的有益效果在于，水性羟基聚氨酯树脂具有优异的耐磨性、优良的耐化学品和耐油性，附着力强、低温固化性能和高装饰性能；水性环氧树脂固化后的涂膜耐腐蚀性和耐化学药品性能优异，并且涂膜收缩小、硬度高、耐磨性好、电气绝缘性能优异；水性聚醚型丙烯酸酯具有价格低、使用安全、节省资源和能源、减少环境污染和公害等优点。由本发明上述用量的原料制得的水性漆粘度适中，原料分散均匀，附着力好，干燥快，成膜性、流平性、防腐性好，可操作性强，喷涂、刷涂或静电喷涂都能满足其要求的透明度及防腐性能标准需求；且产品无味、无污染，不燃不爆。The beneficial effects of the present invention are that the water-based hydroxyl polyurethane resin has excellent abrasion resistance, excellent chemical resistance and oil resistance, strong adhesion, low-temperature curing performance and high decorative performance; the coating film after curing of the water-based epoxy resin is resistant to corrosion Excellent chemical resistance and chemical resistance, and small shrinkage of the coating film, high hardness, good wear resistance, and excellent electrical insulation performance; water-based polyether acrylate has the advantages of low price, safe use, saving resources and energy, and reducing environmental pollution and pollution. Etc. The water-based paint prepared from the above-mentioned raw materials in the present invention has moderate viscosity, uniform dispersion of raw materials, good adhesion, fast drying, good film-forming, leveling, anti-corrosion, and strong operability, and can be sprayed, brushed or electrostatically sprayed. It can meet the required transparency and anti-corrosion performance standards; and the product is odorless, non-polluting, non-flammable and non-explosive.
进一步，上述色浆为无机色浆。Further, the above-mentioned color paste is an inorganic color paste.
采用上述进一步技术方案的有益效果在于，本发明无机色浆天然环保，优质健康，色彩柔和，装饰美观，耐候性强，理性优越，强防水防潮性，透气干爽。The beneficial effects of adopting the above-mentioned further technical solutions are that the inorganic color paste of the present invention is natural and environmentally friendly, high-quality and healthy, soft in color, beautiful in decoration, strong in weather resistance, superior in rationality, strong in waterproof and moisture-proof, and ventilated and dry.
进一步，上述消泡剂为非离子型有机硅消泡剂。Further, the above-mentioned antifoaming agent is a nonionic silicone antifoaming agent.
采用上述进一步技术方案的有益效果在于，本发明非离子型有机硅消泡剂稳定性极佳，在水中易分散，和体系中的起泡介质相容。The beneficial effect of adopting the above-mentioned further technical scheme is that the nonionic silicone defoamer of the present invention has excellent stability, is easy to disperse in water, and is compatible with the foaming medium in the system.
进一步，上述附着力促进剂为聚醚类化合物。Further, the above-mentioned adhesion promoter is a polyether compound.
采用上述进一步技术方案的有益效果在于，本发明附着力促进剂能明显提高树脂与各种基材的结合力，具有高强的附着力、胶着力与键结力，能大大提高油漆面漆和底漆之间的层间附着力，明显改善涂膜的抗潮湿性能、抗盐雾性能与耐热性能，在油漆和涂料体系内具有优异的储存稳定性和长效性。The beneficial effect of adopting the above-mentioned further technical solutions is that the adhesion promoter of the present invention can obviously improve the bonding force between resin and various substrates, has high adhesion force, adhesive force and bonding force, and can greatly improve the paint finish and primer. The interlayer adhesion between paints significantly improves the moisture resistance, salt spray resistance and heat resistance of the coating film, and has excellent storage stability and long-term durability in paint and coating systems.
一种不锈钢底材专用水性漆的制备方法，具体包括以下步骤：A preparation method of a special water-based paint for stainless steel substrates, specifically comprising the following steps:
（1）按上述不锈钢底材专用水性漆的重量份数称取各原料；(1) Weigh out the raw materials according to the parts by weight of the above water-based paint for stainless steel substrates;
（2）将水性羟基聚氨酯树脂、水性环氧树脂和水性聚醚型丙烯酸酯混合，搅拌，得到混合物A；(2) Mix the water-based hydroxyl polyurethane resin, the water-based epoxy resin and the water-based polyether acrylate, and stir to obtain the mixture A;
（3）将混合物A加入色浆中，搅拌，自然冷却，得到混合物B；(3) Add mixture A into the color paste, stir, and cool naturally to obtain mixture B;
（4）在搅拌条件下，向混合物B中依次加入消泡剂、流平剂、润湿剂、分散剂和附着力促进剂，即得不锈钢底材专用水性漆。(4) Add defoaming agent, leveling agent, wetting agent, dispersing agent and adhesion promoter to mixture B in sequence under stirring condition to obtain water-based paint for stainless steel substrate.
本发明的有益效果在于，制备方法工艺简单，适于大规模生产。The beneficial effect of the present invention is that the preparation method has a simple process and is suitable for large-scale production.
进一步，上述步骤（2）中，搅拌的速度为1200-1600r/min，优选为1500r/min；时间为15-25min，优选为20min。Further, in the above step (2), the stirring speed is 1200-1600r/min, preferably 1500r/min; the time is 15-25min, preferably 20min.
进一步，上述步骤（3）中，搅拌的速度为100-300r/min，优选为200r/min；时间为5-10min，优选为8min；自然冷却至20-30℃，优选为25℃。Further, in the above step (3), the stirring speed is 100-300r/min, preferably 200r/min; the time is 5-10min, preferably 8min; naturally cooled to 20-30°C, preferably 25°C.
经由上述的技术方案可知，与现有技术相比，本发明的有益效果如下：As can be seen from the above-mentioned technical solutions, compared with the prior art, the beneficial effects of the present invention are as follows:
1、本发明水性漆以水作溶剂，节省了大量资源，无味，不燃不爆，且不含苯、二甲苯、乙烷、甲醛等VOC有害物质，消除了施工、储存时的火灾隐患，降低了对大气的污染，在密闭环境中也可照常施工；1. The water-based paint of the present invention uses water as a solvent, which saves a lot of resources, is odorless, non-flammable and non-explosive, and does not contain VOC harmful substances such as benzene, xylene, ethane, formaldehyde, etc., eliminates fire hazards during construction and storage, reduces In order to avoid the pollution to the atmosphere, the construction can be carried out as usual in a closed environment;
2、本发明水性漆在不锈钢表面附着力强，耐候性强，防腐性能优良，抗辐射，操作性能简单，涂装工具可用水直接清洗，有效减少了对施工人员的伤害；2. The water-based paint of the present invention has strong adhesion on the surface of stainless steel, strong weather resistance, excellent anti-corrosion performance, anti-radiation, simple operation performance, and the painting tools can be directly washed with water, which effectively reduces the damage to construction personnel;
3、本发明水性漆不经过任何研磨程序，直接搅拌即可，制备方法简单可靠。3. The water-based paint of the present invention can be directly stirred without any grinding procedure, and the preparation method is simple and reliable.
下面对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
以下实施例中，各原料的型号及其生产商信息如下：In the following examples, the model of each raw material and its manufacturer information are as follows:
水性羟基聚氨酯树脂，型号为HP-4105，生产商为广州骏能化工有限公司；Waterborne hydroxyl polyurethane resin, model HP-4105, the manufacturer is Guangzhou Junneng Chemical Co., Ltd.;
水性环氧树脂，型号为AB-EP-20，生产商为浙江安邦新材料发展有限公司；Water-based epoxy resin, the model is AB-EP-20, the manufacturer is Zhejiang Anbang New Material Development Co., Ltd.;
水性聚醚型丙烯酸酯，型号为SN-4383，生产商为上海深竹化工科技有限公司；Water-based polyether acrylate, the model is SN-4383, the manufacturer is Shanghai Shenzhu Chemical Technology Co., Ltd.;
色浆，型号为DAE-N01，生产商为江苏富琪森新材料有限公司；Color paste, the model is DAE-N01, the manufacturer is Jiangsu Fuqisen New Materials Co., Ltd.;
消泡剂，型号为TSA-10A，生产商为江苏腾达助剂有限公司；Defoamer, the model is TSA-10A, the manufacturer is Jiangsu Tengda Auxiliary Co., Ltd.;
流平剂，型号为AFCONA-3777，生产商为海门埃夫科纳有限公司；Leveling agent, the model is AFCONA-3777, the manufacturer is Haimen Efcona Co., Ltd.;
润湿剂，型号为SN-3704，生产商为上海深竹化工科技有限公司；Wetting agent, the model is SN-3704, the manufacturer is Shanghai Shenzhu Chemical Technology Co., Ltd.;
分散剂，型号为SN-2311，生产商为上海深竹化工科技有限公司；Dispersant, the model is SN-2311, the manufacturer is Shanghai Shenzhu Chemical Technology Co., Ltd.;
附着力促进剂，型号为TL-BPA，生产商为奥克特化学有限公司。Adhesion promoter, the model is TL-BPA, and the manufacturer is Okter Chemical Co., Ltd.
实施例Example
11
不锈钢底材专用水性漆，包括以下重量的原料：水性羟基聚氨酯树脂25kg、水性环氧树脂20kg、水性聚醚型丙烯酸酯20kg、色浆15kg、消泡剂3kg、流平剂2kg、润湿剂2kg、分散剂8kg和附着力促进剂5kg；Water-based paint for stainless steel substrates, including the following raw materials: 25kg of water-based hydroxyl polyurethane resin, 20kg of water-based epoxy resin, 20kg of water-based polyether acrylate, 15kg of color paste, 3kg of defoamer, 2kg of leveling agent, and wetting agent 2kg, dispersant 8kg and adhesion promoter 5kg;
上述不锈钢底材专用水性漆的制备方法，具体包括以下步骤：The preparation method of the above-mentioned special water-based paint for stainless steel substrates specifically includes the following steps:
（1）按上述不锈钢底材专用水性漆的重量份数称取各原料；(1) Weigh out the raw materials according to the parts by weight of the above water-based paint for stainless steel substrates;
（2）将水性羟基聚氨酯树脂、水性环氧树脂和水性聚醚型丙烯酸酯混合，以1200r/min的速度搅拌15min，得到混合物A；(2) Mix the water-based hydroxyl polyurethane resin, the water-based epoxy resin and the water-based polyether acrylate, and stir at a speed of 1200 r/min for 15 minutes to obtain the mixture A;
（3）将混合物A加入色浆中，以100r/min的速度搅拌5min，自然冷却至20℃，得到混合物B；(3) Add mixture A into the color paste, stir at a speed of 100 r/min for 5 min, and naturally cool to 20°C to obtain mixture B;
（4）在搅拌条件下，向混合物B中依次加入消泡剂、流平剂、润湿剂、分散剂和附着力促进剂，即得不锈钢底材专用水性漆。(4) Add defoaming agent, leveling agent, wetting agent, dispersing agent and adhesion promoter to mixture B in sequence under stirring condition to obtain water-based paint for stainless steel substrate.
实施例Example
22
不锈钢底材专用水性漆，包括以下重量的原料：水性羟基聚氨酯树脂28kg、水性环氧树脂22kg、水性聚醚型丙烯酸酯22kg、色浆18kg、消泡剂5kg、流平剂4kg、润湿剂4kg、分散剂10kg和附着力促进剂8kg；Special water-based paint for stainless steel substrate, including the following raw materials: water-based hydroxy polyurethane resin 28kg, water-based epoxy resin 22kg, water-based polyether acrylate 22kg, color paste 18kg, defoamer 5kg, leveling agent 4kg, wetting agent 4kg, dispersant 10kg and adhesion promoter 8kg;
上述不锈钢底材专用水性漆的制备方法，具体包括以下步骤：The preparation method of the above-mentioned special water-based paint for stainless steel substrates specifically includes the following steps:
（1）按上述不锈钢底材专用水性漆的重量份数称取各原料；(1) Weigh out the raw materials according to the parts by weight of the above water-based paint for stainless steel substrates;
（2）将水性羟基聚氨酯树脂、水性环氧树脂和水性聚醚型丙烯酸酯混合，以1300r/min的速度搅拌16min，得到混合物A；(2) Mix the water-based hydroxyl polyurethane resin, the water-based epoxy resin and the water-based polyether acrylate, and stir at a speed of 1300 r/min for 16 min to obtain the mixture A;
（3）将混合物A加入色浆中，以120r/min的速度搅拌6min，自然冷却至22℃，得到混合物B；(3) Add mixture A into the color paste, stir at a speed of 120 r/min for 6 min, and naturally cool to 22 °C to obtain mixture B;
（4）在搅拌条件下，向混合物B中依次加入消泡剂、流平剂、润湿剂、分散剂和附着力促进剂，即得不锈钢底材专用水性漆。(4) Add defoaming agent, leveling agent, wetting agent, dispersing agent and adhesion promoter to mixture B in sequence under stirring condition to obtain water-based paint for stainless steel substrate.
实施例Example
33
不锈钢底材专用水性漆，包括以下重量的原料：水性羟基聚氨酯树脂28kg、水性环氧树脂22kg、水性聚醚型丙烯酸酯22kg、色浆18kg、消泡剂5kg、流平剂4kg、润湿剂4kg、分散剂10kg和附着力促进剂8kg；Special water-based paint for stainless steel substrate, including the following raw materials: water-based hydroxy polyurethane resin 28kg, water-based epoxy resin 22kg, water-based polyether acrylate 22kg, color paste 18kg, defoamer 5kg, leveling agent 4kg, wetting agent 4kg, dispersant 10kg and adhesion promoter 8kg;
上述不锈钢底材专用水性漆的制备方法，具体包括以下步骤：The preparation method of the above-mentioned special water-based paint for stainless steel substrates specifically includes the following steps:
（1）按上述不锈钢底材专用水性漆的重量份数称取各原料；(1) Weigh out the raw materials according to the parts by weight of the above water-based paint for stainless steel substrates;
（2）将水性羟基聚氨酯树脂、水性环氧树脂和水性聚醚型丙烯酸酯混合，以1200r/min的速度搅拌25min，得到混合物A；(2) Mix the water-based hydroxyl polyurethane resin, the water-based epoxy resin and the water-based polyether acrylate, and stir at a speed of 1200 r/min for 25 minutes to obtain the mixture A;
（3）将混合物A加入色浆中，以100r/min的速度搅拌10min，自然冷却至20℃，得到混合物B；(3) Add mixture A into the color paste, stir at a speed of 100 r/min for 10 min, and naturally cool to 20 °C to obtain mixture B;
（4）在搅拌条件下，向混合物B中依次加入消泡剂、流平剂、润湿剂、分散剂和附着力促进剂，即得不锈钢底材专用水性漆。(4) Add defoaming agent, leveling agent, wetting agent, dispersing agent and adhesion promoter to mixture B in sequence under stirring condition to obtain water-based paint for stainless steel substrate.
实施例Example
44
不锈钢底材专用水性漆，包括以下重量的原料：水性羟基聚氨酯树脂30kg、水性环氧树脂25kg、水性聚醚型丙烯酸酯25kg、色浆25kg、消泡剂10kg、流平剂10kg、润湿剂10kg、分散剂15kg和附着力促进剂15kg；Special water-based paint for stainless steel substrate, including the following raw materials: water-based hydroxyl polyurethane resin 30kg, water-based epoxy resin 25kg, water-based polyether acrylate 25kg, color paste 25kg, defoamer 10kg, leveling agent 10kg, wetting agent 10kg, dispersant 15kg and adhesion promoter 15kg;
上述不锈钢底材专用水性漆的制备方法，具体包括以下步骤：The preparation method of the above-mentioned special water-based paint for stainless steel substrates specifically includes the following steps:
（1）按上述不锈钢底材专用水性漆的重量份数称取各原料；(1) Weigh out the raw materials according to the parts by weight of the above water-based paint for stainless steel substrates;
（2）将水性羟基聚氨酯树脂、水性环氧树脂和水性聚醚型丙烯酸酯混合，以1600r/min的速度搅拌15min，得到混合物A；(2) Mix the water-based hydroxyl polyurethane resin, the water-based epoxy resin and the water-based polyether acrylate, and stir at a speed of 1600 r/min for 15 minutes to obtain the mixture A;
（3）将混合物A加入色浆中，以300r/min的速度搅拌5min，自然冷却至30℃，得到混合物B；(3) Add mixture A into the color paste, stir at a speed of 300 r/min for 5 min, and naturally cool to 30 °C to obtain mixture B;
（4）在搅拌条件下，向混合物B中依次加入消泡剂、流平剂、润湿剂、分散剂和附着力促进剂，即得不锈钢底材专用水性漆。(4) Add defoaming agent, leveling agent, wetting agent, dispersing agent and adhesion promoter to mixture B in sequence under stirring condition to obtain water-based paint for stainless steel substrate.
实施例Example
55
不锈钢底材专用水性漆，包括以下重量的原料：水性羟基聚氨酯树脂35kg、水性环氧树脂30kg、水性聚醚型丙烯酸酯30kg、色浆25kg、消泡剂10kg、流平剂10kg、润湿剂10kg、分散剂15kg和附着力促进剂15kg；Special water-based paint for stainless steel substrate, including the following raw materials: water-based hydroxyl polyurethane resin 35kg, water-based epoxy resin 30kg, water-based polyether acrylate 30kg, color paste 25kg, defoamer 10kg, leveling agent 10kg, wetting agent 10kg, dispersant 15kg and adhesion promoter 15kg;
上述不锈钢底材专用水性漆的制备方法，具体包括以下步骤：The preparation method of the above-mentioned special water-based paint for stainless steel substrates specifically includes the following steps:
（1）按上述不锈钢底材专用水性漆的重量份数称取各原料；(1) Weigh out the raw materials according to the parts by weight of the above water-based paint for stainless steel substrates;
（2）将水性羟基聚氨酯树脂、水性环氧树脂和水性聚醚型丙烯酸酯混合，以1600r/min的速度搅拌25min，得到混合物A；(2) Mix the water-based hydroxyl polyurethane resin, the water-based epoxy resin and the water-based polyether acrylate, and stir at a speed of 1600 r/min for 25 minutes to obtain the mixture A;
（3）将混合物A加入色浆中，以300r/min的速度搅拌10min，自然冷却至30℃，得到混合物B；(3) Add mixture A into the color paste, stir at a speed of 300 r/min for 10 min, and naturally cool to 30 °C to obtain mixture B;
（4）在搅拌条件下，向混合物B中依次加入消泡剂、流平剂、润湿剂、分散剂和附着力促进剂，即得不锈钢底材专用水性漆。(4) Add defoaming agent, leveling agent, wetting agent, dispersing agent and adhesion promoter to mixture B in sequence under stirring condition to obtain water-based paint for stainless steel substrate.
实施例Example
66
不锈钢底材专用水性漆，包括以下重量的原料：水性羟基聚氨酯树脂30kg、水性环氧树脂25kg、水性聚醚型丙烯酸酯25kg、色浆20kg、消泡剂6kg、流平剂5kg、润湿剂5kg、分散剂12kg和附着力促进剂10kg；Special water-based paint for stainless steel substrate, including the following raw materials: water-based hydroxy polyurethane resin 30kg, water-based epoxy resin 25kg, water-based polyether acrylate 25kg, color paste 20kg, defoamer 6kg, leveling agent 5kg, wetting agent 5kg, dispersant 12kg and adhesion promoter 10kg;
上述不锈钢底材专用水性漆的制备方法，具体包括以下步骤：The preparation method of the above-mentioned special water-based paint for stainless steel substrates specifically includes the following steps:
（1）按上述不锈钢底材专用水性漆的重量份数称取各原料；(1) Weigh out the raw materials according to the parts by weight of the above water-based paint for stainless steel substrates;
（2）将水性羟基聚氨酯树脂、水性环氧树脂和水性聚醚型丙烯酸酯混合，以1500r/min的速度搅拌20min，得到混合物A；(2) Mix the water-based hydroxyl polyurethane resin, the water-based epoxy resin and the water-based polyether acrylate, and stir at a speed of 1500 r/min for 20 min to obtain the mixture A;
（3）将混合物A加入色浆中，以200r/min的速度搅拌8min，自然冷却至25℃，得到混合物B；(3) Add mixture A into the color paste, stir at a speed of 200 r/min for 8 min, and naturally cool to 25°C to obtain mixture B;
（4）在搅拌条件下，向混合物B中依次加入消泡剂、流平剂、润湿剂、分散剂和附着力促进剂，即得不锈钢底材专用水性漆。(4) Add defoaming agent, leveling agent, wetting agent, dispersing agent and adhesion promoter to mixture B in sequence under stirring condition to obtain water-based paint for stainless steel substrate.
性能测试Performance Testing
1、物理性能测试1. Physical performance test
各取本发明实施例1-6所得水性漆，分别检测其以下各项物理性能（在容器中的状态、细度、不挥发物、涂膜外观、光泽、附着力性、耐水性、耐盐雾性、耐碱性、耐酸性和耐溶剂性）。Take each of the water-based paints obtained in Examples 1-6 of the present invention, and detect the following physical properties (state in the container, fineness, non-volatile matter, coating film appearance, gloss, adhesion, water resistance, salt resistance) respectively. fog, alkali resistance, acid resistance and solvent resistance).
所得结果如表1所示。The results obtained are shown in Table 1.
表1
本发明实施例1-6水性漆物理性能检测结果Table 1
Test results of physical properties of water-based paints in Examples 1-6 of the present invention
通过表1可以看出，本发明水性漆为均匀无硬块水性液体产品，细度低，光泽度和硬度高，抗粘连性、耐划伤性、耐水性、耐碱性、耐溶剂性能优异。It can be seen from Table 1 that the water-based paint of the present invention is a uniform and non-hard-block water-based liquid product with low fineness, high gloss and hardness, and excellent blocking resistance, scratch resistance, water resistance, alkali resistance and solvent resistance.
2、挥发性有机化合物(VOC)含量测试2. Volatile organic compound (VOC) content test
按照GB/T 23986-2009《色漆和清漆化发行有机化合物(VOC)含量的测定气相色谱法》标准，对本发明实施例1-6所得水性漆中的挥发性有机化合物(VOC)含量进行检测。所得结果如表2所示。According to the standard of GB/T 23986-2009 "Gas Chromatography for Determination of Organic Compound (VOC) Content in Paints and Varnishes", the volatile organic compounds (VOC) content in the water-based paints obtained in Examples 1-6 of the present invention were detected . The results obtained are shown in Table 2.
表2 本发明实施例1-6水性漆中VOC含量检测结果Table 2 The detection result of VOC content in the water-based paints of Examples 1-6 of the present invention
通过表2可以看出，本发明实施例1-6所得水性漆中的挥发性有机化合物（VOC）含量远低于GB/T 23986-2009要求的标准。说明本发明水性漆具有优异的绿色、环保效果。It can be seen from Table 2 that the volatile organic compound (VOC) content in the water-based paints obtained in Examples 1-6 of the present invention is far lower than the standard required by GB/T 23986-2009. It shows that the water-based paint of the present invention has excellent green and environmental protection effects.
3、按照美国材料与试验协会ASTM F 963-11-基材/油墨或涂层中的可溶性重金属含量标准，对本发明实施例1-6所得水性漆中的可溶性重金属含量进行检测，可溶性重金属含量（目录4.3.5）根据ASTM F 963-11（目录8.3）样品用稀盐酸萃取，采用ICP-OES进行分析。所得结果如表3所示。3. According to the American Society for Testing and Materials ASTM F 963-11-Standard for Soluble Heavy Metal Content in Substrate/Ink or Coating Catalog 4.3.5) According to ASTM F 963-11 (Catalog 8.3) The samples were extracted with dilute hydrochloric acid and analyzed by ICP-OES. The results obtained are shown in Table 3.
表3 本发明实施例1-6水性漆中可溶性重金属含量检测结果Table 3 The detection result of the content of soluble heavy metals in the water-based paints of Examples 1-6 of the present invention
注:MDL表示检测限，ND表示未检出。Note: MDL means detection limit, ND means not detected.
通过表3可以看出，本发明水性漆中不含铅、镣、钯、镉、铬和汞等可溶性重金属元素，也不含砷和硒等可溶性污染元素。说明本发明水性漆安全环保，无污染。As can be seen from Table 3, the water-based paint of the present invention does not contain soluble heavy metal elements such as lead, shackle, palladium, cadmium, chromium and mercury, nor does it contain soluble pollution elements such as arsenic and selenium. It shows that the water-based paint of the present invention is safe, environmentally friendly, and pollution-free.
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。The above description of the disclosed embodiments enables any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
- 一种不锈钢底材专用水性漆，其特征在于，包括以下重量份的原料：水性羟基聚氨酯树脂25-35份、水性环氧树脂20-30份、水性聚醚型丙烯酸酯20-30份、色浆15-25份、消泡剂3-10份、流平剂2-10份、润湿剂2-10份、分散剂8-15份和附着力促进剂5-15份。A special water-based paint for stainless steel substrates, characterized in that it comprises the following raw materials in parts by weight: 25-35 parts of water-based hydroxy polyurethane resin, 20-30 parts of water-based epoxy resin, 20-30 parts of water-based polyether acrylate, 15-25 parts of slurry, 3-10 parts of defoamer, 2-10 parts of leveling agent, 2-10 parts of wetting agent, 8-15 parts of dispersant and 5-15 parts of adhesion promoter.
- 根据权利要求1所述的一种不锈钢底材专用水性漆，其特征在于，包括以下重量份的原料：水性羟基聚氨酯树脂28-32份、水性环氧树脂22-28份、水性聚醚型丙烯酸酯22-28份、色浆18-22份、消泡剂5-8份、流平剂4-8份、润湿剂4-8份、分散剂10-13份和附着力促进剂8-12份。A special water-based paint for stainless steel substrates according to claim 1, characterized in that it comprises the following raw materials in parts by weight: 28-32 parts of water-based hydroxy polyurethane resin, 22-28 parts of water-based epoxy resin, water-based polyether acrylic acid 22-28 parts of ester, 18-22 parts of color paste, 5-8 parts of defoamer, 4-8 parts of leveling agent, 4-8 parts of wetting agent, 10-13 parts of dispersant and 8-part of adhesion promoter 12 servings.
- 根据权利要求2所述的一种不锈钢底材专用水性漆，其特征在于，包括以下重量份的原料：水性羟基聚氨酯树脂30份、水性环氧树脂25份、水性聚醚型丙烯酸酯25份、色浆20份、消泡剂6份、流平剂5份、润湿剂5份、分散剂12份和附着力促进剂10份。A kind of special water-based paint for stainless steel substrate according to claim 2, characterized in that, it comprises the following raw materials in parts by weight: 30 parts of water-based hydroxyl polyurethane resin, 25 parts of water-based epoxy resin, 25 parts of water-based polyether acrylate, 20 parts of color paste, 6 parts of defoamer, 5 parts of leveling agent, 5 parts of wetting agent, 12 parts of dispersant and 10 parts of adhesion promoter.
- 根据权利要求1-3任一项所述的一种不锈钢底材专用水性漆，其特征在于，所述色浆为无机色浆。The water-based paint for stainless steel substrates according to any one of claims 1-3, wherein the color paste is an inorganic color paste.
- 根据权利要求1-3任一项所述的一种不锈钢底材专用水性漆，其特征在于，所述消泡剂为非离子型有机硅消泡剂。The water-based paint for stainless steel substrates according to any one of claims 1-3, wherein the defoamer is a non-ionic silicone defoamer.6、根据权利要求1-3任一项所述的一种不锈钢底材专用水性漆，其特征在于，所述附着力促进剂为聚醚类化合物。6. The water-based paint for stainless steel substrates according to any one of claims 1-3, wherein the adhesion promoter is a polyether compound.7、一种不锈钢底材专用水性漆的制备方法，其特征在于，具体包括以下步骤：7. A method for preparing a special water-based paint for stainless steel substrates, characterized in that it specifically comprises the following steps:（1）按权利要求1-6任一项所述不锈钢底材专用水性漆的重量份数称取各原料；(1) Weigh each raw material according to the parts by weight of the water-based paint for stainless steel substrates described in any one of claims 1-6;（2）将水性羟基聚氨酯树脂、水性环氧树脂和水性聚醚型丙烯酸酯混合，搅拌，得到混合物A；(2) Mix the water-based hydroxyl polyurethane resin, the water-based epoxy resin and the water-based polyether acrylate, and stir to obtain the mixture A;（3）将混合物A加入色浆中，搅拌，自然冷却，得到混合物B；(3) Add mixture A into the color paste, stir, and cool naturally to obtain mixture B;（4）在搅拌条件下，向混合物B中依次加入消泡剂、流平剂、润湿剂、分散剂和附着力促进剂，即得所述不锈钢底材专用水性漆。(4) Add defoaming agent, leveling agent, wetting agent, dispersing agent and adhesion promoter to mixture B in sequence under stirring condition to obtain the water-based paint for stainless steel substrate.8、根据权利要求7所述的一种不锈钢底材专用水性漆的制备方法，其特征在于，步骤（2）中，所述搅拌的速度为1200-1600r/min，时间为15-25min。8. The preparation method of a special water-based paint for stainless steel substrates according to claim 7, characterized in that, in step (2), the stirring speed is 1200-1600r/min, and the time is 15-25min.9、根据权利要求7所述的一种不锈钢底材专用水性漆的制备方法，其特征在于，步骤（3）中，所述搅拌的速度为100-300r/min，时间为5-10min。9. The preparation method of a special water-based paint for stainless steel substrates according to claim 7, characterized in that, in step (3), the stirring speed is 100-300r/min, and the time is 5-10min.10、根据权利要求7所述的一种不锈钢底材专用水性漆的制备方法，其特征在于，步骤（3）中，所述自然冷却至20-30℃。10. The method for preparing a water-based paint for stainless steel substrates according to claim 7, wherein in step (3), the natural cooling is performed to 20-30°C.
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